diff --git a/src/bootsupport/include_modules.config b/src/bootsupport/include_modules.config index 1a0b1755..74638c90 100644 --- a/src/bootsupport/include_modules.config +++ b/src/bootsupport/include_modules.config @@ -10,6 +10,7 @@ set bootsupport_modules [list\ src/vendormodules fileutil\ src/vendormodules textutil::tabify\ src/vendormodules textutil::split\ + src/vendormodules textutil::wcswidth\ modules punkcheck\ modules punk::ansi\ modules punk::args\ diff --git a/src/bootsupport/modules/overtype-1.5.9.tm b/src/bootsupport/modules/overtype-1.5.9.tm new file mode 100644 index 00000000..a635158a --- /dev/null +++ b/src/bootsupport/modules/overtype-1.5.9.tm @@ -0,0 +1,1756 @@ +# -*- tcl -*- +# Maintenance Instruction: leave the 999999.xxx.x as is and use 'pmix make' or src/make.tcl to update from -buildversion.txt +# +# Please consider using a BSD or MIT style license for greatest compatibility with the Tcl ecosystem. +# Code using preferred Tcl licenses can be eligible for inclusion in Tcllib, Tklib and the punk package repository. +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +# (C) Julian Noble 2003-2023 +# +# @@ Meta Begin +# Application overtype 1.5.9 +# Meta platform tcl +# Meta license BSD +# @@ Meta End + + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +# doctools header +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +#*** !doctools +#[manpage_begin overtype_module_overtype 0 1.5.9] +#[copyright "2024"] +#[titledesc {overtype text layout - ansi aware}] [comment {-- Name section and table of contents description --}] +#[moddesc {overtype text layout}] [comment {-- Description at end of page heading --}] +#[require overtype] +#[keywords module text ansi] +#[description] +#[para] - + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ + +#*** !doctools +#[section Overview] +#[para] overview of overtype +#[subsection Concepts] +#[para] - + + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +## Requirements +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ + +#*** !doctools +#[subsection dependencies] +#[para] packages used by overtype +#[list_begin itemized] + +package require Tcl 8.6 +package require textutil +package require punk::lib ;#required for lines_as_list +package require punk::ansi ;#required to detect, split, strip and calculate lengths +package require punk::char ;#box drawing - and also unicode character width determination for proper layout of text with double-column-width chars +#*** !doctools +#[item] [package {Tcl 8.6}] +#[item] [package textutil] +#[item] [package punk::ansi] +#[para] - required to detect, split, strip and calculate lengths of text possibly containing ansi codes +#[item] [package punk::char] +#[para] - box drawing - and also unicode character width determination for proper layout of text with double-column-width chars + +# #package require frobz +# #*** !doctools +# #[item] [package {frobz}] + +#*** !doctools +#[list_end] + + + + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +#*** !doctools +#[section API] + + +#Julian Noble - 2003 +#Released under standard 'BSD license' conditions. +# +#todo - ellipsis truncation indicator for center,right + +#v1.4 2023-07 - naive ansi color handling - todo - fix string range +# - need to extract and replace ansi codes? + +namespace eval overtype { + namespace export * + variable default_ellipsis_horizontal "..." ;#fallback + variable default_ellipsis_vertical "..." + namespace eval priv { + proc _init {} { + upvar ::overtype::default_ellipsis_horizontal e_h + upvar ::overtype::default_ellipsis_vertical e_v + set e_h [format %c 0x2026] ;#Unicode Horizontal Ellipsis + set e_v [format %c 0x22EE] + #The unicode ellipsis looks more natural than triple-dash which is centred vertically whereas ellipsis is at floorline of text + #Also - unicode ellipsis has semantic meaning that other processors can interpret + #unicode does also provide a midline horizontal ellipsis 0x22EF + + #set e [format %c 0x2504] ;#punk::char::charshort boxd_ltdshhz - Box Drawings Light Triple Dash Horizontal + #if {![catch {package require punk::char}]} { + # set e [punk::char::charshort boxd_ltdshhz] + #} + } + } + priv::_init +} +proc overtype::about {} { + return "Simple text formatting. Author JMN. BSD-License" +} + +namespace eval overtype { + variable grapheme_widths [dict create] + + variable escape_terminals + #single "final byte" in the range 0x40–0x7E (ASCII @A–Z[\]^_`a–z{|}~). + dict set escape_terminals CSI [list @ \\ ^ _ ` | ~ a b c d e f g h i j k l m n o p q r s t u v w x y z A B C D E F G H I J K L M N O P Q R S T U V W X Y Z "\{" "\}"] + #dict set escape_terminals CSI [list J K m n A B C D E F G s u] ;#basic + dict set escape_terminals OSC [list \007 \033\\] ;#note mix of 1 and 2-byte terminals + + #self-contained 2 byte ansi escape sequences - review more? + variable ansi_2byte_codes_dict + set ansi_2byte_codes_dict [dict create\ + "reset_terminal" "\u001bc"\ + "save_cursor_posn" "\u001b7"\ + "restore_cursor_posn" "\u001b8"\ + "cursor_up_one" "\u001bM"\ + "NEL - Next Line" "\u001bE"\ + "IND - Down one line" "\u001bD"\ + "HTS - Set Tab Stop" "\u001bH"\ + ] + + #debatable whether strip should reveal the somethinghidden - some terminals don't hide it anyway. + # "PM - Privacy Message" "\u001b^somethinghidden\033\\"\ +} + + +#proc overtype::stripansi {text} { +# variable escape_terminals ;#dict +# variable ansi_2byte_codes_dict +# #important that we don't spend too much time on this for plain text that doesn't contain any escapes anyway +# if {[string first \033 $text] <0 && [string first \009c $text] <0} { +# #\033 same as \x1b +# return $text +# } +# +# set text [convert_g0 $text] +# +# #we process char by char - line-endings whether \r\n or \n should be processed as per any other character. +# #line endings can theoretically occur within an ansi escape sequence (review e.g title?) +# set inputlist [split $text ""] +# set outputlist [list] +# +# set 2bytecodes [dict values $ansi_2byte_codes_dict] +# +# set in_escapesequence 0 +# #assumption - undertext already 'rendered' - ie no backspaces or carriagereturns or other cursor movement controls +# set i 0 +# foreach u $inputlist { +# set v [lindex $inputlist $i+1] +# set uv ${u}${v} +# if {$in_escapesequence eq "2b"} { +# #2nd byte - done. +# set in_escapesequence 0 +# } elseif {$in_escapesequence != 0} { +# set escseq [dict get $escape_terminals $in_escapesequence] +# if {$u in $escseq} { +# set in_escapesequence 0 +# } elseif {$uv in $escseq} { +# set in_escapseequence 2b ;#flag next byte as last in sequence +# } +# } else { +# #handle both 7-bit and 8-bit CSI and OSC +# if {[regexp {^(?:\033\[|\u009b)} $uv]} { +# set in_escapesequence CSI +# } elseif {[regexp {^(?:\033\]|\u009c)} $uv]} { +# set in_escapesequence OSC +# } elseif {$uv in $2bytecodes} { +# #self-contained e.g terminal reset - don't pass through. +# set in_escapesequence 2b +# } else { +# lappend outputlist $u +# } +# } +# incr i +# } +# return [join $outputlist ""] +#} + + + + + +proc overtype::string_columns {text} { + if {[punk::ansi::ta::detect $text]} { + #error "error string_columns is for calculating character length of string - ansi codes must be stripped/rendered first e.g with punk::ansi::stripansi. Alternatively try punk::ansi::printing_length" + set text [punk::ansi::stripansi $text] + } + return [punk::char::ansifreestring_width $text] +} + + +#string range should generally be avoided for both undertext and overtext which contain ansi escapes and other cursor affecting chars such as \b and \r +proc overtype::left {args} { + # @c overtype starting at left (overstrike) + # @c can/should we use something like this?: 'format "%-*s" $len $overtext + variable default_ellipsis_horizontal + + if {[llength $args] < 2} { + error {usage: ?-transparent [0|1]? ?-overflow [1|0]? ?-ellipsis [1|0]? ?-ellipsistext ...? undertext overtext} + } + lassign [lrange $args end-1 end] underblock overblock + set defaults [dict create\ + -bias ignored\ + -ellipsis 0\ + -ellipsistext $default_ellipsis_horizontal\ + -ellipsiswhitespace 0\ + -overflow 0\ + -transparent 0\ + -exposed1 \uFFFD\ + -exposed2 \uFFFD\ + ] + set argsflags [lrange $args 0 end-2] + dict for {k v} $argsflags { + switch -- $k { + -bias - -ellipsis - -ellipsistext - -ellipsiswhitespace - -overflow - -transparent - -exposed1 - -exposed2 {} + default { + set known_opts [dict keys $defaults] + error "overtype::left unknown option '$k'. Known options: $known_opts" + } + } + } + set opts [dict merge $defaults $argsflags] + # -- --- --- --- --- --- + set opt_transparent [dict get $opts -transparent] + set opt_ellipsistext [dict get $opts -ellipsistext] + set opt_ellipsiswhitespace [dict get $opts -ellipsiswhitespace] + set opt_exposed1 [dict get $opts -exposed1] ;#widechar_exposed_left - todo + set opt_exposed2 [dict get $opts -exposed2] ;#widechar_exposed_right - todo + # -- --- --- --- --- --- + + set norm [list \r\n \n] + set underblock [string map $norm $underblock] + set overblock [string map $norm $overblock] + + set underlines [split $underblock \n] + #set colwidth [tcl::mathfunc::max {*}[lmap v $underlines {punk::ansi::printing_length $v}]] + lassign [blocksize $underblock] _w colwidth _h colheight + set overlines [split $overblock \n] + #set overblock_width [tcl::mathfunc::max {*}[lmap v $overlines {punk::ansi::printing_length $v}]] + lassign [blocksize $overblock] _w overblock_width _h overblock_height + set under_exposed_max [expr {$colwidth - $overblock_width}] + set right_exposed $under_exposed_max + + set outputlines [list] + if {[punk::ansi::ta::detect_sgr [lindex $underlines 0]]} { + set replay_codes "[punk::ansi::a]" + } else { + set replay_codes "" + } + set replay_codes_underlay "" + set replay_codes_overlay "" + foreach undertext $underlines overtext $overlines { + set undertext_printlen [punk::ansi::printing_length $undertext] + if {$undertext_printlen < $colwidth} { + set udiff [expr {$colwidth - $undertext_printlen}] + append undertext [string repeat { } $udiff] + } + set overtext_printlen [punk::ansi::printing_length $overtext] + set overflowlength [expr {$overtext_printlen - $colwidth}] + + + set overtext [string cat $replay_codes_overlay $overtext] + set undertext [string cat $replay_codes_underlay $undertext] + set rinfo [renderline -info 1 -insert_mode 0 -transparent $opt_transparent -exposed1 $opt_exposed1 -exposed2 $opt_exposed2 -overflow [dict get $opts -overflow] $undertext $overtext] + set rendered [dict get $rinfo result] + if {$overflowlength > 0} { + #background line is narrower than data in line + + if {![dict get $opts -overflow]} { + #set overtext [string range $overtext 0 $colwidth-1] ;#string range won't be correct e.g if contains ansi codes or leading \r or \b etc + if {[dict get $opts -ellipsis]} { + set show_ellipsis 1 + if {!$opt_ellipsiswhitespace} { + #we don't want ellipsis if only whitespace was lost + #review - ansi codes in overlay's overflow? + set lostdata [string range $overtext end-[expr {$overflowlength-1}] end] + if {[string trim $lostdata] eq ""} { + set show_ellipsis 0 + } + } + if {$show_ellipsis} { + set rendered [overtype::right $rendered $opt_ellipsistext] + } + } + } + #lappend outputlines $rendered + } + #we know overtext data is shorter or equal (for this line) + #lappend outputlines [renderline -insert_mode 0 -transparent $opt_transparent -exposed1 $opt_exposed1 -exposed2 $opt_exposed2 $undertext $overtext] + #set rinfo [renderline -info 1 -insert_mode 0 -transparent $opt_transparent -exposed1 $opt_exposed1 -exposed2 $opt_exposed2 $undertext $overtext] + #lappend outputlines [dict get $rinfo result] + lappend outputlines $rendered + set replay_codes_underlay [dict get $rinfo replay_codes_underlay] + set replay_codes_overlay [dict get $rinfo replay_codes_overlay] + } + return [join $outputlines \n] + +} + +namespace eval overtype::piper { + proc overcentre {args} { + if {[llength $args] < 2} { + error {usage: ?-bias left|right? ?-transparent [0|1|]? ?-exposed1 ? ?-exposed2 ? ?-overflow [1|0]? overtext pipelinedata} + } + lassign [lrange $args end-1 end] over under + set argsflags [lrange $args 0 end-2] + tailcall overtype::centre {*}$argsflags $under $over + } + proc overleft {args} { + if {[llength $args] < 2} { + error {usage: ?-startcolumn ? ?-transparent [0|1|]? ?-exposed1 ? ?-exposed2 ? ?-overflow [1|0]? overtext pipelinedata} + } + lassign [lrange $args end-1 end] over under + set argsflags [lrange $args 0 end-2] + tailcall overtype::left {*}$argsflags $under $over + } +} +#todo - left-right ellipsis ? +proc overtype::centre {args} { + variable default_ellipsis_horizontal + if {[llength $args] < 2} { + error {usage: ?-transparent [0|1]? ?-bias [left|right]? ?-overflow [1|0]? undertext overtext} + } + + foreach {underblock overblock} [lrange $args end-1 end] break + + #todo - vertical vs horizontal overflow for blocks + set defaults [dict create\ + -bias left\ + -ellipsis 0\ + -ellipsistext $default_ellipsis_horizontal\ + -ellipsiswhitespace 0\ + -overflow 0\ + -transparent 0\ + -exposed1 \uFFFD\ + -exposed2 \uFFFD\ + ] + set argsflags [lrange $args 0 end-2] + dict for {k v} $argsflags { + switch -- $k { + -bias - -ellipsis - -ellipsistext - -ellipsiswhitespace - -overflow - -transparent - -exposed1 - -exposed2 {} + default { + set known_opts [dict keys $defaults] + error "overtype::centre unknown option '$k'. Known options: $known_opts" + } + } + } + set opts [dict merge $defaults $argsflags] + # -- --- --- --- --- --- + set opt_transparent [dict get $opts -transparent] + set opt_ellipsis [dict get $opts -ellipsis] + set opt_ellipsistext [dict get $opts -ellipsistext] + set opt_ellipsiswhitespace [dict get $opts -ellipsiswhitespace] + set opt_exposed1 [dict get $opts -exposed1] + set opt_exposed2 [dict get $opts -exposed2] + # -- --- --- --- --- --- + + + set norm [list \r\n \n] + set underblock [string map $norm $underblock] + set overblock [string map $norm $overblock] + + set underlines [split $underblock \n] + #set colwidth [tcl::mathfunc::max {*}[lmap v $underlines {punk::ansi::printing_length $v}]] + lassign [blocksize $underblock] _w colwidth _h colheight + set overlines [split $overblock \n] + #set overblock_width [tcl::mathfunc::max {*}[lmap v $overlines {punk::ansi::printing_length $v}]] + lassign [blocksize $overblock] _w overblock_width _h overblock_height + set under_exposed_max [expr {$colwidth - $overblock_width}] + if {$under_exposed_max > 0} { + #background block is wider + if {$under_exposed_max % 2 == 0} { + #even left/right exposure + set left_exposed [expr {$under_exposed_max / 2}] + } else { + set beforehalf [expr {$under_exposed_max / 2}] ;#1 less than half due to integer division + if {[string tolower [dict get $opts -bias]] eq "left"} { + set left_exposed $beforehalf + } else { + #bias to the right + set left_exposed [expr {$beforehalf + 1}] + } + } + } else { + set left_exposed 0 + } + + set outputlines [list] + if {[punk::ansi::ta::detect_sgr [lindex $overlines 0]]} { + set replay_codes "[punk::ansi::a]" + } else { + set replay_codes "" + } + set replay_codes_underlay "" + set replay_codes_overlay "" + foreach undertext $underlines overtext $overlines { + set overtext_datalen [punk::ansi::printing_length $overtext] + set ulen [punk::ansi::printing_length $undertext] + if {$ulen < $colwidth} { + set udiff [expr {$colwidth - $ulen}] + set undertext "$undertext[string repeat { } $udiff]" + } + set undertext [string cat $replay_codes_underlay $undertext] + set overtext [string cat $replay_codes_overlay $overtext] + + set overflowlength [expr {$overtext_datalen - $colwidth}] + #review - right-to-left langs should elide on left! - extra option required + + if {$overflowlength > 0} { + #overlay line wider or equal + set rinfo [renderline -info 1 -insert_mode 0 -transparent $opt_transparent -overflow [dict get $opts -overflow] -exposed1 $opt_exposed1 -exposed2 $opt_exposed2 $undertext $overtext] + set rendered [dict get $rinfo result] + #todo - get replay_codes from overflow_right instead of wherever it was truncated? + + #overlay line data is wider - trim if overflow not specified in opts - and overtype an ellipsis at right if it was specified + if {![dict get $opts -overflow]} { + #lappend outputlines [string range $overtext 0 [expr {$colwidth - 1}]] + #set overtext [string range $overtext 0 $colwidth-1 ] + if {$opt_ellipsis} { + set show_ellipsis 1 + if {!$opt_ellipsiswhitespace} { + #we don't want ellipsis if only whitespace was lost + set lostdata [string range $overtext end-[expr {$overflowlength-1}] end] + if {[string trim $lostdata] eq ""} { + set show_ellipsis 0 + } + } + if {$show_ellipsis} { + set rendered [overtype::right $rendered $opt_ellipsistext] + } + } + } + lappend outputlines $rendered + #lappend outputlines [renderline -insert_mode 0 -transparent $opt_transparent $undertext $overtext] + } else { + #background block is wider than or equal to data for this line + #lappend outputlines [renderline -insert_mode 0 -startcolumn [expr {$left_exposed + 1}] -transparent $opt_transparent -exposed1 $opt_exposed1 -exposed2 $opt_exposed2 $undertext $overtext] + set rinfo [renderline -info 1 -insert_mode 0 -startcolumn [expr {$left_exposed + 1}] -transparent $opt_transparent -exposed1 $opt_exposed1 -exposed2 $opt_exposed2 $undertext $overtext] + lappend outputlines [dict get $rinfo result] + } + set replay_codes_underlay [dict get $rinfo replay_codes_underlay] + set replay_codes_overlay [dict get $rinfo replay_codes_overlay] + } + return [join $outputlines \n] +} + +proc overtype::right {args} { + #NOT the same as align-right - which should be done to the overblock first if required + variable default_ellipsis_horizontal + # @d !todo - implement overflow, length checks etc + + if {[llength $args] < 2} { + error {usage: ?-overflow [1|0]? ?-transparent 0|? undertext overtext} + } + foreach {underblock overblock} [lrange $args end-1 end] break + + set defaults [dict create\ + -bias ignored\ + -ellipsis 0\ + -ellipsistext $default_ellipsis_horizontal\ + -ellipsiswhitespace 0\ + -overflow 0\ + -transparent 0\ + -exposed1 \uFFFD\ + -exposed2 \uFFFD\ + -align "left"\ + ] + set argsflags [lrange $args 0 end-2] + dict for {k v} $argsflags { + switch -- $k { + -bias - -ellipsis - -ellipsistext - -ellipsiswhitespace - -overflow - -transparent - -exposed1 - -exposed2 - -align {} + default { + set known_opts [dict keys $defaults] + error "overtype::centre unknown option '$k'. Known options: $known_opts" + } + } + } + set opts [dict merge $defaults $argsflags] + # -- --- --- --- --- --- + set opt_transparent [dict get $opts -transparent] + set opt_ellipsis [dict get $opts -ellipsis] + set opt_ellipsistext [dict get $opts -ellipsistext] + set opt_ellipsiswhitespace [dict get $opts -ellipsiswhitespace] + set opt_overflow [dict get $opts -overflow] + set opt_exposed1 [dict get $opts -exposed1] + set opt_exposed2 [dict get $opts -exposed2] + set opt_align [dict get $opts -align] + # -- --- --- --- --- --- + + set norm [list \r\n \n] + set underblock [string map $norm $underblock] + set overblock [string map $norm $overblock] + + set underlines [split $underblock \n] + #set colwidth [tcl::mathfunc::max {*}[lmap v $underlines {punk::ansi::printing_length $v}]] + lassign [blocksize $underblock] _w colwidth _h colheight + set overlines [split $overblock \n] + #set overblock_width [tcl::mathfunc::max {*}[lmap v $overlines {punk::ansi::printing_length $v}]] + lassign [blocksize $overblock] _w overblock_width _h overblock_height + set under_exposed_max [expr {max(0,$colwidth - $overblock_width)}] + set left_exposed $under_exposed_max + + + + set outputlines [list] + if {[punk::ansi::ta::detect_sgr [lindex $overlines 0]]} { + set replay_codes "[punk::ansi::a]" + } else { + set replay_codes "" + } + set replay_codes_underlay "" + set replay_codes_overlay "" + foreach undertext $underlines overtext $overlines { + set overtext_datalen [punk::ansi::printing_length $overtext] + set ulen [punk::ansi::printing_length $undertext] + if {$ulen < $colwidth} { + set udiff [expr {$colwidth - $ulen}] + #puts xxx + append undertext [string repeat { } $udiff] + } + if {$overtext_datalen < $overblock_width} { + set odiff [expr {$overblock_width - $overtext_datalen}] + switch -- $opt_align { + left { + set startoffset 0 + } + right { + set startoffset $odiff + } + default { + set half [expr {$odiff / 2}] + #set lhs [string repeat { } $half] + #set righthalf [expr {$odiff - $half}] ;#remainder - may be one more - so we are biased left + #set rhs [string repeat { } $righthalf] + set startoffset $half + } + } + } else { + set startoffset 0 ;#negative? + } + + set undertext [string cat $replay_codes_underlay $undertext] + set overtext [string cat $replay_codes_overlay $overtext] + + set overflowlength [expr {$overtext_datalen - $colwidth}] + if {$overflowlength > 0} { + #raw overtext wider than undertext column + set rinfo [renderline -info 1 -insert_mode 0 -transparent $opt_transparent -exposed1 $opt_exposed1 -exposed2 $opt_exposed2 -overflow $opt_overflow -startcolumn [expr {1 + $startoffset}] $undertext $overtext] + set replay_codes [dict get $rinfo replay_codes] + set rendered [dict get $rinfo result] + if {!$opt_overflow} { + if {$opt_ellipsis} { + set show_ellipsis 1 + if {!$opt_ellipsiswhitespace} { + #we don't want ellipsis if only whitespace was lost + set lostdata [string range $overtext end-[expr {$overflowlength-1}] end] + if {[string trim $lostdata] eq ""} { + set show_ellipsis 0 + } + } + if {$show_ellipsis} { + set ellipsis [string cat $replay_codes $opt_ellipsistext] + #todo - overflow on left if allign = right?? + set rendered [overtype::right $rendered $ellipsis] + } + } + } + lappend outputlines $rendered + } else { + #padded overtext + #lappend outputlines [renderline -insert_mode 0 -transparent $opt_transparent -startcolumn [expr {$left_exposed + 1}] $undertext $overtext] + #Note - we still need overflow here - as although the overtext is short - it may oveflow due to the startoffset + set rinfo [renderline -info 1 -insert_mode 0 -transparent $opt_transparent -overflow $opt_overflow -startcolumn [expr {$left_exposed + 1 + $startoffset}] $undertext $overtext] + lappend outputlines [dict get $rinfo result] + } + set replay_codes [dict get $rinfo replay_codes] + set replay_codes_underlay [dict get $rinfo replay_codes_underlay] + set replay_codes_overlay [dict get $rinfo replay_codes_overlay] + } + + return [join $outputlines \n] +} + +# -- --- --- --- --- --- --- --- --- --- --- +proc overtype::transparentline {args} { + foreach {under over} [lrange $args end-1 end] break + set argsflags [lrange $args 0 end-2] + set defaults [dict create\ + -transparent 1\ + -exposed 1 " "\ + -exposed 2 " "\ + ] + set newargs [dict merge $defaults $argsflags] + tailcall overtype::renderline {*}$newargs $under $over +} +#renderline may not make sense as it is in the long run for blocks of text - but is handy in the single-line-handling form anyway. +# We are trying to handle ansi codes in a block of text which is acting like a mini-terminal in some sense. +#We can process standard cursor moves such as \b \r - but no way to respond to other cursor movements e.g moving to other lines. +# +namespace eval overtype::piper { + proc renderline {args} { + if {[llength $args] < 2} { + error {usage: ?-start ? ?-transparent [0|1|]? ?-overflow [1|0]? overtext pipelinedata} + } + foreach {over under} [lrange $args end-1 end] break + set argsflags [lrange $args 0 end-2] + tailcall overtype::renderline {*}$argsflags $under $over + } +} +interp alias "" piper_renderline "" overtype::piper::renderline + +#intended for single grapheme - but will work for multiple +#cannot contain ansi or newlines +#(a cache of ansifreestring_width calls - as these are quite regex heavy) +proc overtype::grapheme_width_cached {ch} { + variable grapheme_widths + if {[dict exists $grapheme_widths $ch]} { + return [dict get $grapheme_widths $ch] + } + set width [punk::char::ansifreestring_width $ch] + dict set grapheme_widths $ch $width + return $width +} + +#v2 +#-returnextra to enable returning of overflow and length +#review - use punk::ansi::ta::detect to short-circuit processing and do simpler string calcs as an optimisation? +#review - DECSWL/DECDWL double width line codes - very difficult/impossible to align and compose with other elements +#todo - review transparency issues with single/double width characters +#bidi - need a base direction and concept of directional runs for RTL vs LTR - may be best handled at another layer? +proc overtype::renderline {args} { + if {[llength $args] < 2} { + error {usage: ?-info 0|1? ?-startcolumn ? ?-cursor_column ? ?-cursor_row |""? ?-transparent [0|1|]? ?-overflow [1|0]? undertext overtext} + } + lassign [lrange $args end-1 end] under over + if {[string first \n $under] >= 0} { + error "overtype::renderline not allowed to contain newlines in undertext" + } + #if {[string first \n $over] >=0 || [string first \n $under] >= 0} { + # error "overtype::renderline not allowed to contain newlines" + #} + + set defaults [dict create\ + -overflow 0\ + -transparent 0\ + -startcolumn 1\ + -cursor_column 1\ + -cursor_row ""\ + -insert_mode 1\ + -info 0\ + -exposed1 \uFFFD\ + -exposed2 \uFFFD\ + ] + #cursor_row, when numeric will allow detection of certain row moves that are still within our row - allowing us to avoid an early return + #An empty string for cursor_row tells us we have no info about our own row context, and to return with an unapplied string if any row move occurs + + #exposed1 and exposed2 for first and second col of underying 2wide char which is truncated by transparency or overflow + #todo - return info about such grapheme 'cuts' in -info structure and/or create option to raise an error + + set argsflags [lrange $args 0 end-2] + dict for {k v} $argsflags { + switch -- $k { + -overflow - -transparent - -startcolumn - -cursor_column - -cursor_row - -insert_mode - -info - -exposed1 - -exposed2 {} + default { + set known_opts [dict keys $defaults] + error "overtype::renderline unknown option '$k'. Known options: $known_opts" + } + } + } + set opts [dict merge $defaults $argsflags] + # -- --- --- --- --- --- --- --- --- --- --- --- + set opt_overflow [dict get $opts -overflow] + set opt_colstart [dict get $opts -startcolumn] ;#lhs limit for overlay - an offset to cursor_column - first visible column is 1. 0 or < 0 are before the start of the underlay + set opt_colcursor [dict get $opts -cursor_column];#start cursor column relative to overlay + set opt_row_context [dict get $opts -cursor_row] + if {[string length $opt_row_context]} { + if {![string is integer -strict $opt_row_context] || $opt_row_context <1 } { + error "overtype::renderline -cursor_row must be empty for unspecified/unknown or a non-zero positive integer. received: '$opt_row_context'" + } + } + set opt_insert_mode [dict get $opts -insert_mode];#should usually be 1 for each new line in editor mode but must be initialised to 1 externally (review) + #default is for overtype + # -- --- --- --- --- --- --- --- --- --- --- --- + set opt_transparent [dict get $opts -transparent] + if {$opt_transparent eq "0"} { + set do_transparency 0 + } else { + set do_transparency 1 + if {$opt_transparent eq "1"} { + set opt_transparent {[\s]} + } + } + # -- --- --- --- --- --- --- --- --- --- --- --- + set opt_returnextra [dict get $opts -info] + # -- --- --- --- --- --- --- --- --- --- --- --- + set opt_exposed1 [dict get $opts -exposed1] + set opt_exposed2 [dict get $opts -exposed2] + # -- --- --- --- --- --- --- --- --- --- --- --- + + if {$opt_row_context eq ""} { + set cursor_row 0 ;#we aren't allowed to make assumptions about our context. zero represents cursor_row_change - not an absolute row (for which zero is invalid anyway) + } else { + set cursor_row "=$opt_row_context" ;#we are at this row number in the greater context - allow moves that explicitly refer to this row without returning prematurely + } + + + #----- + # + if {[string first \t $under] >= 0} { + #set under [textutil::tabify::untabify2 $under] + set under [textutil::tabify::untabifyLine $under 8] ;#8 is default for untabify2 - review + } + set overdata $over + if {[string first \t $over] >= 0} { + #set overdata [textutil::tabify::untabify2 $over] + set overdata [textutil::tabify::untabifyLine $over 8] + } + #------- + + #ta_detect ansi and do simpler processing? + + #we repeat tests for grapheme width in different loops - rather than create another datastructure to store widths based on column, + #we'll use the grapheme_width_cached function as a lookup table of all graphemes encountered - as there will often be repeats in different positions anyway. + + # -- --- --- --- --- --- --- --- + set undermap [punk::ansi::ta::split_codes_single $under] + set understacks [list] + + set i_u -1 ;#underlay may legitimately be empty + set undercols [list] + set u_codestack [list] + #u_gx_stack probably isn't really a stack - I don't know if g0 g1 can stack or not - for now we support only g0 anyway + set u_gx_stack [list] ;#separate stack for g0 (g1 g2 g3?) graphics on and off (DEC special graphics) + #set understacks_gx [dict create] + set understacks_gx [list] + set pt_underchars "" ;#for string_columns length calculation for overflow 0 truncation + set remainder [list] ;#for returnextra + foreach {pt code} $undermap { + #pt = plain text + append pt_underchars $pt + foreach grapheme [punk::char::grapheme_split $pt] { + #an ugly hack to serve *some* common case ascii quickly with byte-compiled literal switch - feels dirty. + #.. but even 0.5uS per char (grapheme_width_cached) adds up quickly when stitching lots of lines together. + switch -- $grapheme { + " " - - - _ - ! - @ - # - $ - % - ^ - & - * - = - + - : - . - , - / - | - ? - a - b - c - d - e - f - g - h - i - j - k - l - m - n - o - p - q - r - s - t - u - v - w - x - y - z - A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z - 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 { + set width 1 + } + default { + set width [grapheme_width_cached $grapheme] + } + } + #set width [grapheme_width_cached $grapheme] + incr i_u + #dict set understacks $i_u $u_codestack + lappend understacks $u_codestack + #dict set understacks_gx $i_u $u_gx_stack + lappend understacks_gx $u_gx_stack + + lappend undercols $grapheme + if {$width > 1} { + incr i_u + #presumably there are no triple-column or wider unicode chars.. until the aliens arrive.(?) + #but what about emoji combinations etc - can they be wider than 2? + #dict set understacks $i_u $u_codestack + lappend understacks $u_codestack + #dict set understacks_gx $i_u $u_gx_stack + lappend understacks_gx $u_gx_stack + lappend undercols "" + } + } + + #underlay should already have been rendered and not have non-sgr codes - but let's retain the check for them and not stack them if other codes are here + + #only stack SGR (graphics rendition) codes - not title sets, cursor moves etc + #order of if-else based on assumptions: + # that pure resets are fairly common - more so than leading resets with other info + # that non-sgr codes are not that common, so ok to check for resets before verifying it is actually SGR at all. + if {$code ne ""} { + if {[punk::ansi::codetype::is_sgr_reset $code]} { + set u_codestack [list] + } elseif {[punk::ansi::codetype::has_sgr_leadingreset $code]} { + set u_codestack [list $code] + } elseif {[punk::ansi::codetype::is_sgr $code]} { + lappend u_codestack $code + } else { + #leave SGR stack as is + if {[punk::ansi::codetype::is_gx_open $code]} { + set u_gx_stack [list gx0_on] ;#we'd better use a placeholder - or debugging will probably get into a big mess + } elseif {[punk::ansi::codetype::is_gx_close $code]} { + set u_gx_stack [list] + } + } + } + + #consider also if there are other codes that should be stacked..? + } + + #trailing codes in effect for underlay + #replay code for last overlay position in input line + # whether or not we get that far - we need to return it for possible replay on next line + if {[llength $undermap]} { + #dict set understacks [expr {$i_u + 1}] $u_codestack ;#This is one column higher than our input + lappend understacks $u_codestack + set replay_codes_underlay [join $u_codestack ""] + + # For gx we need the column after the data too ? + #dict set understacks_gx [expr {$i_u +1}] $u_gx_stack + lappend understacks_gx $u_gx_stack + } else { + set replay_codes_underlay "" + #in case overlay onto emptystring as underlay + #dict set understacks 0 [list] + lappend understacks [list] + #dict set understacks_gx 0 [list] + lappend understacks_gx [list] + } + #note - be careful.. understacks 1 bigger than input - for insertion at end (review) + + + # -- --- --- --- --- --- --- --- + #### + #if opt_colstart - we need to build a space (or any singlewidth char really) padding on the left of the right number of columns. + #this will be processed as transparent - and handle doublewidth underlay characters appropriately + set startpad_overlay [string repeat " " [expr {$opt_colstart -1}]] + append startpad_overlay $overdata ;#overdata with left padding spaces based on col-start under will show through for left-padding portion regardless of -transparency + set overmap [punk::ansi::ta::split_codes_single $startpad_overlay] + #### + + #??? + set colcursor $opt_colstart + + #set re_diacritics {[\u0300-\u036f]+|[\u1ab0-\u1aff]+|[\u1dc0-\u1dff]+|[\u20d0-\u20ff]+|[\ufe20-\ufe2f]+} + #as at 2024-02 punk::char::grapheme_split uses these - not aware of more complex graphemes + + + #set overstacks [dict create] + set overstacks [list] + set overstacks_gx [list] + + set o_codestack [list]; #SGR codestack (not other codes such as movement,insert key etc) + set o_gxstack [list] + set pt_overchars "" + set i_o 0 + set overlay_grapheme_control_list [list] ;#tag each with g, sgr or other. 'other' are things like cursor-movement or insert-mode or codes we don't recognise/use + foreach {pt code} $overmap { + append pt_overchars $pt + #will get empty pt between adjacent codes + foreach grapheme [punk::char::grapheme_split $pt] { + #dict set overstacks $i_o $o_codestack + lappend overstacks $o_codestack + #dict set overstacks_gx $i_o $o_gxstack + lappend overstacks_gx $o_gxstack + incr i_o + lappend overlay_grapheme_control_list [list g $grapheme] + } + + #only stack SGR (graphics rendition) codes - not title sets, cursor moves etc + #order of if-else based on assumptions: + # that pure resets are fairly common - more so than leading resets with other info + # that non-sgr codes are not that common, so ok to check for resets before verifying it is actually SGR at all. + if {$code ne ""} { + #there will always be an empty code at end due to foreach on 2 vars with odd-sized list ending with pt (overmap coming from perlish split) + if {[punk::ansi::codetype::is_sgr_reset $code]} { + set o_codestack [list] + lappend overlay_grapheme_control_list [list sgr $code] + } elseif {[punk::ansi::codetype::has_sgr_leadingreset $code]} { + set o_codestack [list $code] + lappend overlay_grapheme_control_list [list sgr $code] + } elseif {[priv::is_sgr $code]} { + lappend o_codestack $code + lappend overlay_grapheme_control_list [list sgr $code] + } else { + if {[punk::ansi::codetype::is_gx_open $code]} { + set o_gxstack [list "gx0_on"] + lappend overlay_grapheme_control_list [list gx0 gx0_on] ;#don't store code - will complicate debugging if we spit it out and jump character sets + } elseif {[punk::ansi::codetype::is_gx_close $code]} { + set o_gxstack [list] + lappend overlay_grapheme_control_list [list gx0 gx0_off] ;#don't store code - will complicate debugging if we spit it out and jump character sets + } else { + lappend overlay_grapheme_control_list [list other $code] + } + } + } + + } + #replay code for last overlay position in input line - should take account of possible trailing sgr code after last grapheme + set max_overlay_grapheme_index [expr {$i_o -1}] + #dict set overstacks $i_o $o_codestack + lappend overstacks $o_codestack + #dict set overstacks_gx $i_o $o_gxstack + lappend overstacks_gx $o_gxstack + set replay_codes_overlay [join $o_codestack ""] + + #if {[dict exists $overstacks $max_overlay_grapheme_index]} { + # set replay_codes_overlay [join [dict get $overstacks $max_overlay_grapheme_index] ""] + #} else { + # set replay_codes_overlay "" + #} + # -- --- --- --- --- --- --- --- + + + #potential problem - combinining diacritics directly following control chars like \r \b + + #we need to initialise overflow_idx before any potential row-movements - as they need to break and force in_overflow to 1 + if {$opt_overflow} { + set overflow_idx -1 + } else { + set overflow_idx [expr {[llength $undercols]}] ;#index at which we would be *in* overflow a row move may still override it + } + set outcols $undercols ;#leave undercols as is, outcols can potentially be appended to. + + set unapplied "" ;#if we break for move row (but not for /v ?) + set insert_lines_above 0 ;#return key + set insert_lines_below 0 + + #set idx 0 ;# line index (cursor - 1) + #set idx [expr {$opt_colstart + $opt_colcursor} -1] + set idx [expr {$opt_colcursor -1}] ;#don't use opt_colstart here - we have padded and won't start emitting until idx reaches opt_colstart-1 + set cursor_column $opt_colcursor + set idx_over -1 + + + #movements only occur within the overlay range. + #an underlay is however not necessary.. e.g + #renderline -overflow 1 "" data + #foreach {pt code} $overmap {} + set insert_mode $opt_insert_mode ;#default 1 + set in_overflow 0 + #puts "-->$overlay_grapheme_control_list<--" + #puts "-->overflow_idx: $overflow_idx" + for {set gci 0} {$gci < [llength $overlay_grapheme_control_list]} {incr gci} { + set gc [lindex $overlay_grapheme_control_list $gci] + lassign $gc type item + + #emit plaintext chars first using existing SGR codes from under/over stack as appropriate + #then check if the following code is a cursor movement within the line and adjust index if so + #foreach ch $overlay_graphemes {} + switch -- $type { + g { + set ch $item + incr idx_over + if {$overflow_idx != -1 && $idx == $overflow_idx } { + #review 2w overflow? + set in_overflow 1 + #first overstack codeset only + #priv::render_addchar $idx $ch [dict get $overstacks $idx_over] [dict get $overstacks_gx $idx_over] $insert_mode + priv::render_addchar $idx $ch [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + incr idx + set cursor_column [expr {$idx + 1}] + continue + } + + set within_undercols [expr {$idx <= [llength $undercols]-1}] ;#within our original data width + + if {$in_overflow} { + #render any char - even \b\v\r into outcols - will become part of overflow + #no stacks added from here on - raw codes go into overflow/remainder + priv::render_addchar $idx $ch [list] [list] $insert_mode + incr idx ;#width doesn't matter from here + } else { + if {($idx < ($opt_colstart -1))} { + incr idx + } elseif {($do_transparency && [regexp $opt_transparent $ch])} { + #pre opt_colstart is effectively transparent (we have applied padding of required number of columns to left of overlay) + if {$idx > [llength $outcols]-1} { + lappend outcols " " + #dict set understacks $idx [list] ;#review - use idx-1 codestack? + lset understacks $idx [list] + incr idx + incr cursor_column + } else { + #todo - punk::char::char_width + set g [lindex $outcols $idx] + set uwidth [grapheme_width_cached $g] + if {[lindex $outcols $idx] eq ""} { + #2nd col of 2-wide char in underlay + incr idx + incr cursor_column + } elseif {$uwidth == 0} { + #e.g control char ? combining diacritic ? + incr idx + incr cursor_column + } elseif {$uwidth == 1} { + set owidth [grapheme_width_cached $ch] + incr idx + incr cursor_column + if {$owidth > 1} { + incr idx + incr cursor_column + } + } elseif {$uwidth > 1} { + if {[grapheme_width_cached $ch] == 1} { + if {!$insert_mode} { + #normal singlewide transparent overlay onto double-wide underlay + set next_pt_overchar [string index $pt_overchars $idx_over+1] ;#lookahead of next plain-text char in overlay + if {$next_pt_overchar eq ""} { + #special-case trailing transparent - no next_pt_overchar + incr idx + incr cursor_column + } else { + if {[regexp $opt_transparent $next_pt_overchar]} { + incr idx + incr cursor_column + } else { + #next overlay char is not transparent.. first-half of underlying 2wide char is exposed + #priv::render_addchar $idx $opt_exposed1 [dict get $overstacks $idx_over] [dict get $overstacks_gx $idx_over] $insert_mode + priv::render_addchar $idx $opt_exposed1 [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + incr idx + incr cursor_column + } + } + } else { + #? todo - decide what transparency even means for insert mode + incr idx + incr cursor_column + } + } else { + #2wide transparency over 2wide in underlay - review + incr idx + incr cursor_column + } + } + } + } else { + set chtest [string map [list \n \b \r \v ] $ch] + switch -- $chtest { + "" { + switch -- [string index $cursor_row 0] { + 0 { + incr cursor_row + } + = { + #deliberately keeping literals in switch statement rather than matching on =$opt_row_context directly (keep switch byte-compiled) + if {$cursor_row eq "=$opt_row_context"} { + set cursor_row "=[expr {$opt_row_context +1}]" ;#we can return an absolute next cursor row + } else { + error "overtype::renderline bad cursor_row $cursor_row encountered when lf encountered" + } + } + default { + #we should have already returned if cursor_row is not 1 or "=$opt_row_context" + error "overtype::renderline bad cursor_row $cursor_row encountered when lf encountered." + } + } + + #override overflow_idx even if it was set to -1 due to opt_overflow = 1 + set overflow_idx $idx + #set unapplied [join [lrange $overlay_grapheme_control_list $gci+1 end]] + set unapplied "" + append unapplied [join [lindex $overstacks $idx_over] ""] + switch -- [lindex $overstacks_gx $idx_over] { + "gx0_on" { + append unapplied "\x1b(0" + } + "gx0_off" { + append unapplied "\x1b(B" + } + } + + foreach gc [lrange $overlay_grapheme_control_list $gci+1 end] { + lassign $gc type item + if {$type eq "gx0"} { + if {$item eq "gx0_on"} { + append unapplied "\x1b(0" + } elseif {$item eq "gx0_off"} { + append unapplied "\x1b(B" + } + } else { + append unapplied $item + } + incr idx_over + } + if {$idx == 0} { + set insert_lines_above 1 + } else { + set insert_lines_below 1 + } + break + set cursor_column 1 + } + "" { + set idx [expr {$opt_colstart -1}] + set cursor_column 1 ;#? + } + "" { + #literal backspace char - not necessarily from keyboard + #review - backspace effect on double-width chars - we are taking a column-editing perspective in overtype + #(important for -transparent option - hence replacement chars for half-exposed etc) + #review - overstrike support as per nroff/less (generally considered an old technology replaced by unicode mechanisms and/or ansi SGR) + if {$idx > ($opt_colstart -1)} { + incr idx -1 + incr cursor_column -1 + } + } + "" { + #end processing this overline. rest of line is remainder. cursor for column as is. + if {$cursor_row eq 0} { + incr cursor_row + } elseif {$cursor_row eq "=$opt_row_context"} { + set cursor_row "=[expr {$opt_row_context +1}]" ;#we can return an absolute next cursor row + } else { + #we should have already returned if cursor_row is not 1 or "=$opt_row_context" + error "overtype::renderline bad cursor_row $cursor_row encountered when \v encountered" + } + #override overflow_idx even if it was set to -1 due to opt_overflow = 1 + set overflow_idx [expr $idx] + set in_overflow 1 + incr idx + #keep cursor_column at same column + #break + } + default { + + #non-transparent char in overlay + set uwidth [grapheme_width_cached [lindex $outcols $idx]] + + if {$within_undercols && [lindex $outcols $idx] eq ""} { + #2nd col of 2wide char in underlay + if {!$insert_mode} { + priv::render_addchar $idx $ch [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] 0 + #JMN - this has to expose if our startposn chopped an underlay - but not if we already overwrote the first half of the widechar underlay grapheme + #e.g renderline \uFF21\uFF21--- a\uFF23\uFF23 + #vs + # renderline -startcolumn 2 \uFF21---- \uFF23 + if {[lindex $outcols $idx-1] != ""} { + #verified it's an empty following a filled - so it's a legit underlay remnant (REVIEW - when would it not be??) + #reset previous to an exposed 1st-half - but leave understacks code as is + priv::render_addchar [expr {$idx-1}] $opt_exposed1 [lindex $understacks [expr {$idx-1}]] [lindex $understacks_gx [expr {$idx-1}]] 0 + } + incr idx + incr cursor_column + } else { + set prevcolinfo [lindex $outcols $idx-1] + #for insert mode - first replace the empty 2ndhalf char with exposed2 before shifting it right + #REVIEW - this leaves a replacement character permanently in our columns.. but it is consistent regarding length (?) + #The alternative is to disallow insertion at a column cursor that is at 2nd half of 2wide char + #perhaps by inserting after the char - this may be worthwhile - but may cause other surprises + #It is perhaps best avoided at another level and try to make renderline do exactly as it's told + #the advantage of this 2w splitting method is that the inserted character ends up in exactly the column we expect. + priv::render_addchar $idx $opt_exposed2 [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] 0 ;#replace not insert + priv::render_addchar $idx $ch [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] 1 ;#insert - same index + if {$prevcolinfo ne ""} { + #we've split the 2wide - it may already have been rendered as an exposed1 - but not for example if our startcolumn was current idx + priv::render_addchar [expr {$idx-1}] $opt_exposed1 [lindex $understacks [expr {$idx-1}]] [lindex $understacks_gx [expr {$idx-1}]] 0 ;#replace not insert + } ;# else?? + incr idx + incr cursor_column + } + + } elseif {$uwidth == 0} { + if {$within_undercols} { + #e.g combining diacritic - increment before over char REVIEW + #arguably the previous overchar should have done this - ie lookahead for combiners? + priv::render_addchar $idx "" [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + incr idx + priv::render_addchar $idx $ch [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + incr idx + incr cursor_column 2 + } else { + #overflow + priv::render_addchar $idx $ch [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + incr idx + incr cursor_column + } + } elseif {$uwidth == 1} { + set owidth [grapheme_width_cached $ch] + if {$owidth == 1} { + priv::render_addchar $idx $ch [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + incr idx + incr cursor_column + } else { + priv::render_addchar $idx $ch [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + incr idx + priv::render_addchar $idx "" [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + #if next column in underlay empty - we've overwritten first half of underlying 2wide grapheme + #replace with rhs exposure in case there are no more overlay graphemes coming - use underlay's stack + if {[llength $outcols] >= [expr {$idx +2}] && [lindex $outcols $idx+1] eq ""} { + #priv::render_addchar [expr {$idx+1}] $opt_exposed2 [dict get $understacks [expr {$idx+1}]] [dict get $understacks_gx [expr {$idx+1}]] $insert_mode + priv::render_addchar [expr {$idx+1}] $opt_exposed2 [lindex $understacks [expr {$idx+1}]] [lindex $understacks_gx [expr {$idx+1}]] $insert_mode + } + incr idx + incr cursor_column + } + } elseif {$uwidth > 1} { + set owidth [grapheme_width_cached $ch] + if {$owidth == 1} { + #1wide over 2wide in underlay + if {!$insert_mode} { + priv::render_addchar $idx $ch [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + incr idx + incr cursor_column + priv::render_addchar $idx $opt_exposed2 [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + #don't incr idx - we are just putting a broken-indication in the underlay - which may get overwritten by next overlay char + } else { + #insert mode just pushes all to right - no exposition char here + priv::render_addchar $idx $ch [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + incr idx + incr cursor_column + } + } else { + #2wide over 2wide + priv::render_addchar $idx $ch [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + incr idx 2 + incr cursor_column 2 + } + } + } + } ;# end switch + } + } + } + other { + set code $item + if {$in_overflow} { + #render controls into overflow/remainder output + priv::render_addchar $idx $code [list] [list] $insert_mode + incr idx ;#take up a column for each control sequence too + continue + } + + #cursor movement? + #if {![punk::ansi::codetype::is_sgr $code]} { + # + #} + #if {[punk::ansi::codetype::is_cursor_move_in_line $code]} { + #} + set re_col_move {\x1b\[([0-9]*)(C|D|G)$} + set re_row_move {\x1b\[([0-9]*)(A|B)$} + set re_both_move {\x1b\[([0-9]*)(?:;){0,1}([0-9]*)H$} + set re_vt_sequence {\x1b\[([0-9]*)(?:;){0,1}([0-9]*)~$} + set matchinfo [list] + + switch -regexp -matchvar matchinfo -- $code\ + $re_col_move { + lassign $matchinfo _match num type + switch -- $type { + D { + #left-arrow/move-back + if {$num eq ""} {set num 1} + incr idx -$num + incr cursor_column -$num + if {$idx < $opt_colstart-1} { + #wrap to previous line and position cursor at end of data + set idx [expr {$opt_colstart-1}] + set cursor_column $opt_colstart + } + } + C { + #right-arrow/move forward + if {$num eq ""} {set num 1} + + #todo - retrict to moving 1 position past datalen? restrict to column width? + #should ideally wrap to next line + if {!$opt_overflow || ($idx + $num) <= [llength $outcols]} { + incr idx $num + incr cursor_column $num + + if {$idx > [llength $outcols]+1} { + #set idx [expr {[llength $outcols] -1}] + set idx [expr {[llength $outcols]+2}] + set cursor_column [expr {[llength $outcols]+1}] + } + } else { + if {!$insert_mode} { + #block editing style with arrow keys + #overtype mode + set idxstart $idx + set idxend [expr {[llength $outcols]}] + set moveend [expr {$idxend - $idxstart}] + if {$moveend < 0} {set moveend 0} ;#sanity? + #puts "idxstart:$idxstart idxend:$idxend outcols[llength $outcols] undercols:[llength $undercols]" + incr idx $moveend + incr cursor_column $moveend + #if {[dict exists $understacks $idx]} { + # set stackinfo [dict get $understacks $idx] ;#use understack at end - which may or may not have already been replaced by stack from overtext + #} else { + # set stackinfo [list] + #} + if {$idx < [llength $understacks]} { + set stackinfo [lindex $understacks $idx] ;#use understack at end - which may or may not have already been replaced by stack from overtext + } else { + set stackinfo [list] + } + if {$idx < [llength $understacks_gx]} { + #set gxstackinfo [dict get $understacks_gx $idx] + set gxstackinfo [lindex $understacks_gx $idx] + } else { + set gxstackinfo [list] + } + #pad outcols + set movemore [expr {$num - $moveend}] + #assert movemore always at least 1 or we wouldn't be in this branch + for {set m 1} {$m <= $movemore} {incr m} { + incr idx + incr cursor_column + priv::render_addchar $idx " " $stackinfo $gxstackinfo $insert_mode + } + } else { + #normal - insert + incr idx $num + incr cursor_column $num + if {$idx > [llength $outcols]} { + set idx [expr {[llength $outcols]}];#allow one beyond - for adding character at end of line + set cursor_column [expr {[llength $outcols]+1}] + } + } + } + } + G { + #move absolute column + #adjust to colstart - as column 1 is within overlay + #??? + set idx [expr {$num + $opt_colstart -1}] + set cursor_column $num + error "renderline absolute col move ESC G unimplemented" + } + } + }\ + $re_row_move { + lassign $matchinfo _match num type + switch -- $type { + A { + #move up + if {$num eq ""} {set num 1} + if {$cursor_row eq 0} { + incr cursor_row -1 ;#relative change + } elseif {$cursor_row eq "=$opt_row_context"} { + set cursor_row "=[expr {$opt_row_context -1}]" ;#we can return an absolute next cursor row + } else { + #we should have already returned if cursor_row is not 1 or "=$opt_row_context" + error "overtype::renderline bad cursor_row $cursor_row encountered when \v encountered" + } + #ensure rest of *overlay* is emitted to remainder + incr idx + #retain cursor_column + break + } + B { + #move down + if {$num eq ""} {set num 1} + if {$cursor_row eq 0} { + incr cursor_row 1 ;#relative change + } elseif {$cursor_row eq "=$opt_row_context"} { + set cursor_row "=[expr {$opt_row_context +1}]" ;#we can return an absolute next cursor row + } else { + #we should have already returned if cursor_row is not 1 or "=$opt_row_context" + error "overtype::renderline bad cursor_row $cursor_row encountered when \v encountered" + } + #set overflow_idx $idx ;#ensure rest of line is emitted to remainder + incr idx + #retain cursor_column + break + } + } + }\ + $re_both_move { + lassign $matchinfo _match row col + if {$row eq ""} {set row 1} + if {$col eq ""} {set col 1} + set cursor_column $col + }\ + $re_vt_sequence { + lassign $matchinfo _match key mod + #Note that f1 to f4 show as ESCOP|Q|R|S (VT220?) but f5+ show as ESC\[15~ + # + #e.g esc \[2~ insert esc \[2;2~ shift-insert + #mod - subtract 1, and then use bitmask + #shift = 1, (left)Alt = 2, control=4, meta=8 (meta seems to do nothing on many terminals on windows? Intercepted by windows?) + #puts stderr "vt key:$key mod:$mod code:[ansistring VIEW $code]" + if {$key eq "1"} { + #home + } elseif {$key eq "2"} { + #Insert + if {$mod eq ""} { + #no modifier key + set insert_mode [expr {!$insert_mode}] + #rather than set the cursor - we return the insert mode state so the caller can decide + } + } elseif {$key eq "3"} { + #Delete + switch -- $mod { + "" { + priv::render_delchar $idx + } + "5" { + #ctrl-del - delete to end of word (pwsh) - possibly word on next line if current line empty(?) + } + } + } elseif {$key eq "4"} { + #End + } elseif {$key eq "5"} { + #pgup + } elseif {$key eq "6"} { + #pgDn + } elseif {$key eq "7"} { + #Home + #?? + set idx [expr {$opt_colstart -1}] + set cursor_column 1 + } elseif {$key eq "8"} { + #End + } elseif {$key eq "11"} { + #F1 - or ESCOP or e.g shift F1 ESC\[1;2P + } elseif {$key eq "12"} { + #F2 - or ESCOQ + } elseif {$key eq "13"} { + #F3 - or ESCOR + } elseif {$key eq "14"} { + #F4 - or ESCOS + } elseif {$key eq "15"} { + #F5 or shift F5 ESC\[15;2~ + } elseif {$key eq "17"} { + #F6 + } elseif {$key eq "18"} { + #F7 + } elseif {$key eq "19"} { + #F8 + } elseif {$key eq "20"} { + #F9 + } elseif {$key eq "21"} { + #F10 + } elseif {$key eq "23"} { + #F11 + } elseif {$key eq "24"} { + #F12 + } + + } + } + sgr { + #prior to overflow - we have our sgr codes already in stacks + #post-overflow we need to keep them in order along with non sgr codes and graphemes + if {$in_overflow} { + set code $item + #render controls into output - will become overflow/remainder + priv::render_addchar $idx $code [list] [list] $insert_mode + incr idx ;#take up an overflow column for each control sequence too + } + } + gx0 { + if {$in_overflow} { + set code $item + if {$code eq "gx0_on"} { + set actual "\x1b(0" + } else { + set actual "\x1b(B" + } + priv::render_addchar $idx $actual [list] [list] $insert_mode + incr idx + } + + } + } + } + + #-------------- + #if {$in_overflow} { + # #set cursor_column [expr {$overflow_idx -1}] + # set cursor_column [expr {$overflow_idx +1}] + #} else { + # set cursor_column [expr {$idx + 1}] + #} + + + if {$opt_overflow == 0} { + #need to truncate to the width of the original undertext + #review - string_width vs printing_length here. undertext requirement to be already rendered therefore punk::char::string_width ok? + set num_under_columns [punk::char::string_width $pt_underchars] ;#plaintext underchars + } + if {$overflow_idx == -1} { + #overflow was initially unlimited and hasn't been overridden + } else { + + } + + + #coalesce and replay codestacks for outcols grapheme list + set outstring "" ;#output prior to overflow + set overflow_right "" ;#remainder after overflow point reached + set i 0 + set cstack [list] + set prevstack [list] + set prev_g0 [list] + #note overflow_idx may already have been set lower if we had a row move above due to \v or ANSI moves + set in_overflow 0 ;#used to stop char-width scanning once in overflow + foreach ch $outcols { + #puts "---- [ansistring VIEW $ch]" + + if {$in_overflow} { + #ch could be a control-sequence or a grapheme once in overflow + if {$i == $overflow_idx} { + #only run when we exactly hit overflow_idx + if {$i < [llength $understacks_gx]} { + #set g0 [dict get $understacks_gx $i] + set g0 [lindex $understacks_gx $i] + if {[llength $g0]} { + append outstring "\x1b(B" + } + } + #add first codestack only + if {$i < [llength $understacks]} { + set cstack [lindex $understacks $i] + append overflow_right [join $cstack ""] + } + } + append overflow_right $ch + } else { + if {$overflow_idx != -1 && $i+1 == $overflow_idx} { + #one before overflow + #will be in overflow in next iteration + set in_overflow 1 + + if {[grapheme_width_cached $ch]> 1} { + #we overflowed with second-half of a double-width char - replace first-half with user-supplied exposition char (should be 1 wide) + set ch $opt_exposed1 + } + } + + if {$i < [llength $understacks_gx]} { + #set g0 [dict get $understacks_gx $i] + set g0 [lindex $understacks_gx $i] + if {$g0 ne $prev_g0} { + if {$g0 eq [list "gx0_on"]} { + append outstring "\x1b(0" + } else { + append outstring "\x1b(B" + } + } + set prev_g0 $g0 + } else { + set prev_g0 [list] + } + #code replay when not in overflow + if {$i < [llength $understacks]} { + #set cstack [dict get $understacks $i] + set cstack [lindex $understacks $i] + if {$cstack ne $prevstack} { + if {[llength $prevstack]} { + append outstring \033\[m + } + append outstring [join $cstack ""] + } + set prevstack $cstack + } else { + set prevstack [list] + } + append outstring $ch + } + incr i + } + + set replay_codes "" + if {[llength $understacks] > 0} { + if {$overflow_idx == -1} { + #set tail_idx [dict size $understacks] + set tail_idx [llength $understacks] + } else { + set tail_idx [llength $undercols] + } + #if {[dict exists $understacks [expr {$tail_idx-1}]]} { + # set replay_codes [join [dict get $understacks [expr {$tail_idx-1}]] ""] ;#tail replay codes + #} + if {$tail_idx-1 < [llength $understacks]} { + set replay_codes [join [lindex $understacks [expr {$tail_idx-1}]] ""] ;#tail replay codes + } + if {$tail_idx-1 < [llength $understacks_gx]} { + #set gx0 [dict get $understacks_gx [expr {$tail_idx-1}]] + set gx0 [lindex $understacks_gx [expr {$tail_idx-1}]] + if {$gx0 eq [list "gx0_on"]} { + #if it was on, turn gx0 off at the point we stop processing overlay + append outstring "\x1b(B" + } + } + } + if {[string length $overflow_right]} { + #puts stderr "remainder:$overflow_right" + } + #pdict $understacks + if {[punk::ansi::ta::detect_sgr $outstring]} { + append outstring [punk::ansi::a] + } + if {$opt_returnextra} { + #replay_codes is the codestack at the boundary - used for ellipsis colouring to match elided text - review + #replay_codes_underlay is the set of codes in effect at the very end of the original underlay + #replay_codes_overlay is the set of codes in effect at the very end of the original overlay (even if not all overlay was applied) + #todo - replay_codes for gx0 mode + return [list\ + result $outstring\ + visualwidth [punk::ansi::printing_length $outstring]\ + stringlen [string length $outstring]\ + overflow_idx $overflow_idx\ + overflow_right $overflow_right\ + unapplied $unapplied\ + insert_mode $insert_mode\ + insert_lines_above $insert_lines_above\ + insert_lines_below $insert_lines_below\ + cursor_column $cursor_column\ + cursor_row_change $cursor_row\ + replay_codes $replay_codes\ + replay_codes_underlay $replay_codes_underlay\ + replay_codes_overlay $replay_codes_overlay\ + ] + } else { + return $outstring + } + #return [join $out ""] +} +proc overtype::test_renderline {} { + set t \uFF5E ;#2-wide tilde + set u \uFF3F ;#2-wide underscore + set missing \uFFFD + return [list $t $u A${t}B] +} + +#maintenance warning +#same as textblock::size - but we don't want that circular dependency +#block width and height can be tricky. e.g \v handled differently on different terminal emulators and can affect both +proc overtype::blocksize {textblock} { + if {$textblock eq ""} { + return [dict create width 0 height 1] ;#no such thing as zero-height block - for consistency with non-empty strings having no line-endings + } + if {[string first \t $textblock] >= 0} { + set textblock [textutil::tabify::untabify2 $textblock] + } + #stripansi on entire block in one go rather than line by line - result should be the same - review - make tests + if {[punk::ansi::ta::detect $textblock]} { + set textblock [punk::ansi::stripansi $textblock] + } + if {[string first \n $textblock] >= 0} { + set num_le [expr {[string length $textblock]-[string length [string map [list \n {}] $textblock]]}] ;#faster than splitting into single-char list + set width [tcl::mathfunc::max {*}[lmap v [split $textblock \n] {::punk::char::ansifreestring_width $v}]] + } else { + set num_le 0 + set width [punk::char::ansifreestring_width $textblock] + } + #our concept of block-height is likely to be different to other line-counting mechanisms + set height [expr {$num_le + 1}] ;# one line if no le - 2 if there is one trailing le even if no data follows le + + return [dict create width $width height $height] ;#maintain order in 'image processing' standard width then height - caller may use lassign [dict values [blocksize ]] width height +} + +namespace eval overtype::priv { + variable cache_is_sgr [dict create] + + #we are likely to be asking the same question of the same ansi codes repeatedly + #caching the answer saves some regex expense - possibly a few uS to lookup vs under 1uS + #todo - test if still worthwhile after a large cache is built up. (limit cache size?) + proc is_sgr {code} { + variable cache_is_sgr + if {[dict exists $cache_is_sgr $code]} { + return [dict get $cache_is_sgr $code] + } + set answer [punk::ansi::codetype::is_sgr $code] + dict set cache_is_sgr $code $answer + return $answer + } + proc render_delchar {i} { + upvar outcols o + upvar understacks ustacks + upvar understacks_gx gxstacks + set nxt [llength $o] + if {$i < $nxt} { + set o [lreplace $o $i $i] + set ustacks [lreplace $ustacks $i $i] + set gxstacks [lreplace $gxstacks $i $i] + } else { + + } + } + #is actually addgrapheme? + proc render_addchar {i c sgrstack gx0stack {insert_mode 0}} { + upvar outcols o + upvar understacks ustacks + upvar understacks_gx gxstacks + + set nxt [llength $o] + if {!$insert_mode} { + if {$i < $nxt} { + lset o $i $c + } else { + lappend o $c + } + #dict set ustacks $i $sgrstack + if {$i < [llength $ustacks]} { + lset ustacks $i $sgrstack + } else { + lappend ustacks $sgrstack + } + #dict set gxstacks $i $gx0stack + if {$i < [llength $gxstacks]} { + lset gxstacks $i $gx0stack + } else { + lappend gxstacks $gx0stack + } + } else { + #insert of single-width vs double-width when underlying is double-width? + if {$i < $nxt} { + set o [linsert $o $i $c] + } else { + lappend o $c + } + #rewrite our whole understacks + #for inserts - the dict structure of the ansi stacks is less than ideal. + #set new [dict create] + #dict for {k v} $ustacks { + # if {$k < $i} { + # dict set new $k $v + # } elseif {$k == $i} { + # dict set new $k $sgrstack + # dict set new [expr {$k+1}] $v + # } else { + # dict set new [expr {$k+1}] $v + # } + #} + #set ustacks $new + if {$i < [llength $ustacks]} { + set ustacks [linsert $ustacks $i $sgrstack] + } else { + lappend ustacks $sgrstack + } + + if {$i < [llength $gxstacks]} { + set gxstacks [linsert $gxstacks $i $gx0stack] + } else { + lappend gxstacks $gx0stack + } + } + } + +} + + + +# -- --- --- --- --- --- --- --- --- --- --- +namespace eval overtype { + interp alias {} ::overtype::center {} ::overtype::centre +} + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +## Ready +package provide overtype [namespace eval overtype { + variable version + set version 1.5.9 +}] +return + +#*** !doctools +#[manpage_end] diff --git a/src/bootsupport/modules/punk/ansi-0.1.1.tm b/src/bootsupport/modules/punk/ansi-0.1.1.tm index 786a83cf..210161d8 100644 --- a/src/bootsupport/modules/punk/ansi-0.1.1.tm +++ b/src/bootsupport/modules/punk/ansi-0.1.1.tm @@ -48,9 +48,11 @@ #[para] packages used by punk::ansi #[list_begin itemized] -package require Tcl 8.6 +package require Tcl 8.6- +package require punk::char #*** !doctools -#[item] [package {Tcl 8.6}] +#[item] [package {Tcl 8.6-}] +#[item] [package {punk::char}] # #package require frobz # #*** !doctools @@ -65,6 +67,55 @@ package require Tcl 8.6 #[section API] +namespace eval punk::ansi::class { + if {![llength [info commands class_ansi]]} { + oo::class create class_ansi { + variable o_raw + + variable o_render_dimensions ;#last dimensions at which we rendered + variable o_rendered + variable o_rendered_what + constructor {ansitext {dimensions 80x25}} { + if {![regexp {^([0-9]+)[xX]([0-9]+)$} $dimensions _m w h]} { + error "class_ansi::render dimensions must be of the form x" + } + set o_rendered_what "" + set o_render_dimensions $dimensions + set o_raw $ansitext + } + method rawdata {} { + return $o_raw + } + method render {{dimensions ""}} { + if {$dimensions eq ""} { + set dimensions $o_render_dimensions + } + if {![regexp {^([0-9]+)[xX]([0-9]+)$} $dimensions _m w h]} { + error "class_ansi::render dimensions must be of the form x" + } + if {$o_rendered_what ne $o_raw || $dimensions ne $o_render_dimensions} { + set b [textblock::block $w $h " "] + set o_rendered [overtype::left $b $o_raw] + set o_rendered_what $o_raw + set o_render_dimensions $dimensions + } + + #todo - store rendered and allow partial rendering of new data lines? + return $o_rendered + } + method viewlines {} { + return [ansistring VIEW $o_raw] + } + method viewcodes {} { + return [ansistring VIEWCODES $o_raw] + } + method viewchars {} { + return [punk::ansi::stripansiraw $o_raw] + } + + } + } +} # ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ @@ -79,7 +130,6 @@ namespace eval punk::ansi { variable test "blah\033\[1;33mETC\033\[0;mOK" - #Note that a? is actually a pattern. We can't explicitly match it without also matcing a+ ab etc. Presumably this won't matter here. namespace export\ {a?} {a+} a \ @@ -106,8 +156,6 @@ namespace eval punk::ansi { #NOTE - we are assuming an OSC or DCS started with one type of sequence (7 or 8bit) can be terminated by either 7 or 8 bit ST (or BEL e.g wezterm ) #This using a different type of ST to that of the opening sequence is presumably unlikely in the wild - but who knows? - variable standalone_codes - set standalone_codes [list \x1bc "" \x1b7 "" \x1b8 "" \x1bM "" \x1bE "" \x1bD "" \x1bH "" \x1b= "" \x1b> "" \x1b#3 "" \x1b#4 "" \x1b#5 "" \x1b#6 "" \x1b#8 ""] #review - there doesn't seem to be an \x1b#7 # https://espterm.github.io/docs/VT100%20escape%20codes.html @@ -124,6 +172,42 @@ namespace eval punk::ansi { "DECPNM norm keypad" "\x1b>"\ ] + + #review - We have file possibly encoded directly in another codepage such as 437 - or utf8,utf16 etc, but then still needing post conversion to e.g cp437? + proc readfile {fname} { + #todo + #1- look for BOM - read according to format given by BOM + #2- assume utf-8 + #3- if errors - assume cp437? + + set data [fcat $fname] + if {[file extension $fname] eq ".ans"} { + set ansidata [encoding convertfrom cp437 $data] + } else { + set ansidata $data + } + set obj [punk::ansi::class::class_ansi new $ansidata] + return $obj + } + proc is_utf8_char {char} { + regexp {(?x) # Expanded regexp syntax, so I can put in comments :-) + [\x00-\x7F] | # Single-byte chars (ASCII range) + [\xC0-\xDF] [\x80-\xBF] | # Two-byte chars (\u0080-\u07FF) + [\xE0-\xEF] [\x80-\xBF]{2} | # Three-byte chars (\u0800-\uFFFF) + [\xF0-\xF4] [\x80-\xBF]{3} # Four-byte chars (U+10000-U+10FFFF, not supported by Tcl 8.5) + } $char + } + proc get_utf8 {text} { + regexp {(?x) # Expanded regexp syntax, so I can put in comments :-) + \A ( + [\x00-\x7F] | # Single-byte chars (ASCII range) + [\xC0-\xDF] [\x80-\xBF] | # Two-byte chars (\u0080-\u07FF) + [\xE0-\xEF] [\x80-\xBF]{2} | # Three-byte chars (\u0800-\uFFFF) + [\xF0-\xF4] [\x80-\xBF]{3} # Four-byte chars (U+10000-U+10FFFF, not supported by Tcl 8.5) + ) + + } $text completeChars + return $completeChars + } #control strings #https://www.ecma-international.org/wp-content/uploads/ECMA-48_5th_edition_june_1991.pdf # @@ -170,33 +254,55 @@ namespace eval punk::ansi { #there is also the SGR hide code (8) which has intermittent terminal support #This doesn't change the output length - so support is tricky to detec. (terminal checksum report?) - #candidate for zig/c implementation? proc stripansi {text} { + #*** !doctools + #[call [fun stripansi] [arg text] ] + #[para]Return a string with ansi codes stripped out + #[para]Alternate graphics chars are replaced with modern unicode equivalents (e.g boxdrawing glyphs) + + #using detect costs us a couple of uS - but saves time on plain text + #we should probably leave this for caller - otherwise it ends up being called more than necessary + #if {![::punk::ansi::ta::detect $text]} { + # return $text + #} + + set text [convert_g0 $text];#Convert ansi borders to unicode line drawing instead of ascii letters + join [::punk::ansi::ta::split_at_codes $text] "" + } + proc stripansiraw {text} { #*** !doctools #[call [fun stripansi] [arg text] ] #[para]Return a string with ansi codes stripped out + #[para]Alternate graphics modes will be stripped - exposing the raw characters as they appear without graphics mode. + #[para]ie instead of a horizontal line you may see: qqqqqq + + + join [::punk::ansi::ta::split_at_codes $text] "" + } + proc stripansi1 {text} { #todo - character set selection - SS2 SS3 - how are they terminated? REVIEW variable escape_terminals ;#dict - variable standalone_codes ;#map to empty string + variable ::punk::ansi::ta::standalone_code_map ;#map to empty string set text [convert_g0 $text] - #we should just map away the 2-byte sequences too - #standalone 3 byte VT100 sequences - some of these work in wezterm + set text [string map $standalone_code_map $text] + #e.g standalone 2 byte and 3 byte VT100(?) sequences - some of these work in wezterm #\x1b#3 double-height letters top half #\x1b#4 double-height letters bottom half #\x1b#5 single-width line #\x1b#6 double-width line #\x1b#8 dec test fill screen - set text [string map $standalone_codes $text] #we process char by char - line-endings whether \r\n or \n should be processed as per any other character. - #line endings can theoretically occur within an ansi escape sequence payload (review e.g title?) + + #Theoretically line endings can occur within an ST payload (review e.g title?) + #ecma standard says: The character string following may consist of any bit combination, except those representing SOS or STRING TERMINATOR (ST) set inputlist [split $text ""] set outputlist [list] @@ -240,39 +346,92 @@ namespace eval punk::ansi { #review - what happens when no terminator? #todo - map other chars to unicode equivs + # convert esc(0 -> esc(B graphics sequences to single char unicode equivalents e.g box drawing set + # esc) ?? proc convert_g0 {text} { #using not \033 inside to stop greediness - review how does it compare to ".*?" + #variable re_altg0_group {(?:\x1b\(0)(?:(?!\x1b\(B).)*\x1b\(B} + #set re {\033\(0[^\033]*\033\(B} + #set re {(?:\x1b\(0)(?:(?!\x1b\(B).)*\x1b\(B} + + + set re2 {\033\(0(.*)\033\(B} ;#capturing + + #puts --$g-- + #box sample + #lqk + #x x + #mqj + #m = boxd_lur + #set map [list l \u250f k \u2513] ;#heavy + set map [list l \u250c q \u2500 k \u2510 x \u2502 m \u2514 j \u2518] ;#light box drawing lines + #todo - map the rest https://vt100.net/docs/vt220-rm/chapter2.html + + set re_g0_open_or_close {\x1b\(0|\x1b\(B} + set parts [::punk::ansi::ta::_perlish_split $re_g0_open_or_close $text] + set out "" + set g0_on 0 + foreach {pt g} $parts { + if {$g0_on} { + #split for non graphics-set codes + set othersplits [punk::ansi::ta::split_codes $pt] ;#we don't need single codes here + foreach {innerpt innercodes} $othersplits { + append out [string map $map $innerpt] + append out $innercodes ;#Simplifying assumption - ST codes, titlesets etc don't require/use g0 content + } + } else { + append out $pt ;#may include other codes - put it all through. + } + if {$g ne ""} { + if {[punk::ansi::codetype::is_gx_open $g]} { + set g0_on 1 + } elseif {[punk::ansi::codetype::is_gx_close $g]} { + set g0_on 0 + } + } + } + return $out + } + proc convert_g0_wrong {text} { + #Attempting to split on a group is wrong - because there could be other ansi codes while inside a g0 section + #That will either stop us matching - so no conversion - or risk converting parts of the ansi codes + #using not \033 inside to stop greediness - review how does it compare to ".*?" + #variable re_altg0_group {(?:\x1b\(0)(?:(?!\x1b\(B).)*\x1b\(B} set re {\033\(0[^\033]*\033\(B} set re2 {\033\(0(.*)\033\(B} ;#capturing + + #box sample + #lqk + #x x + #mqj + #m = boxd_lur + #set map [list l \u250f k \u2513] ;#heavy + set map [list l \u250c q \u2500 k \u2510 x \u2502 m \u2514 j \u2518] ;#light box drawing lines + #todo - map the rest https://vt100.net/docs/vt220-rm/chapter2.html + set parts [::punk::ansi::ta::_perlish_split $re $text] set out "" foreach {pt g} $parts { append out $pt if {$g ne ""} { #puts --$g-- - #box sample - #lqk - #x x - #mqj - #m = boxd_lur - #set map [list l \u250f k \u2513] ;#heavy - set map [list l \u250c q \u2500 k \u2510 x \u2502 m \u2514 j \u2518] ;#light - regexp $re2 $g _match contents append out [string map $map $contents] } } return $out } - - #todo - convert esc(0 graphics sequences to single char unicode equivalents e.g box drawing set - # esc) ?? + proc g0 {text} { + return \x1b(0$text\x1b(B + } proc stripansi_gx {text} { #e.g "\033(0" - select VT100 graphics for character set G0 #e.g "\033(B" - reset #e.g "\033)0" - select VT100 graphics for character set G1 #e.g "\033)X" - where X is any char other than 0 to reset ?? - return [convert_g0 $text] + + #return [convert_g0 $text] + return [string map [list "\x1b(0" "" \x1b(B" "" "\x1b)0" "" "\x1b)X" ""] $text] } @@ -388,20 +547,25 @@ namespace eval punk::ansi { #accept examples for foreground # 256f-# or 256fg-# or 256f# # rgbf--- or rgbfg--- or rgbf-- - if {[string match -nocase "256f*" $i]} { - set cc [string trim [string range $i 4 end] -gG] - lappend t "38;5;$cc" - } elseif {[string match -nocase 256b* $i]} { - set cc [string trim [string range $i 4 end] -gG] - lappend t "48;5;$cc" - } elseif {[string match -nocase rgbf* $i]} { - set rgb [string trim [string range $i 4 end] -gG] - lassign [split $rgb -] r g b - lappend t "38;2;$r;$g;$b" - } elseif {[string match -nocase rgbb* $i]} { - set rgb [string trim [string range $i 4 end] -gG] - lassign [split $rgb -] r g b - lappend t "48;2;$r;$g;$b" + switch -nocase -glob -- $i { + "256f*" { + set cc [string trim [string range $i 4 end] -gG] + lappend t "38;5;$cc" + } + "256b*" { + set cc [string trim [string range $i 4 end] -gG] + lappend t "48;5;$cc" + } + "rgbf*" { + set rgb [string trim [string range $i 4 end] -gG] + lassign [split $rgb -] r g b + lappend t "38;2;$r;$g;$b" + } + "rgbb*" { + set rgb [string trim [string range $i 4 end] -gG] + lassign [split $rgb -] r g b + lappend t "48;2;$r;$g;$b" + } } } } @@ -412,7 +576,7 @@ namespace eval punk::ansi { } return "\x1b\[[join $t {;}]m" } - proc a {args} { + proc a2 {args} { #*** !doctools #[call [fun a] [opt {ansicode...}]] #[para]Returns the ansi code to reset any current settings and apply those from the supplied list @@ -429,32 +593,37 @@ namespace eval punk::ansi { variable SGR_map set t [list] foreach i $args { - if {[string is integer -strict $i]} { - lappend t $i - } elseif {[string first ";" $i] >=0} { - #literal with params - lappend t $i + if {[dict exists $SGR_map $i]} { + lappend t [dict get $SGR_map $i] } else { - if {[dict exists $SGR_map $i]} { - lappend t [dict get $SGR_map $i] - } else { + if {[string is integer -strict $i]} { + lappend t $i + } elseif {[string first ";" $i] >=0} { + #literal with params + lappend t $i + } else { #accept examples for foreground # 256f-# or 256fg-# or 256f# # rgbf--- or rgbfg--- or rgbf-- - if {[string match -nocase "256f*" $i]} { - set cc [string trim [string range $i 4 end] -gG] - lappend t "38;5;$cc" - } elseif {[string match -nocase 256b* $i]} { - set cc [string trim [string range $i 4 end] -gG] - lappend t "48;5;$cc" - } elseif {[string match -nocase rgbf* $i]} { - set rgb [string trim [string range $i 4 end] -gG] - lassign [split $rgb -] r g b - lappend t "38;2;$r;$g;$b" - } elseif {[string match -nocase rgbb* $i]} { - set rgb [string trim [string range $i 4 end] -gG] - lassign [split $rgb -] r g b - lappend t "48;2;$r;$g;$b" + switch -nocase -glob -- $i { + "256f*" { + set cc [string trim [string range $i 4 end] -gG] + lappend t "38;5;$cc" + } + "256b*" { + set cc [string trim [string range $i 4 end] -gG] + lappend t "48;5;$cc" + } + "rgbf*" { + set rgb [string trim [string range $i 4 end] -gG] + lassign [split $rgb -] r g b + lappend t "38;2;$r;$g;$b" + } + "rgbb*" { + set rgb [string trim [string range $i 4 end] -gG] + lassign [split $rgb -] r g b + lappend t "48;2;$r;$g;$b" + } } } } @@ -465,7 +634,127 @@ namespace eval punk::ansi { set t [linsert $t 0 0] return "\x1b\[[join $t {;}]m" } + proc a {args} { + #*** !doctools + #[call [fun a] [opt {ansicode...}]] + #[para]Returns the ansi code to reset any current settings and apply those from the supplied list + #[para] by calling punk::ansi::a with no arguments - the result is a reset to plain text + #[para] e.g to set foreground red and bold + #[para]punk::ansi::a red bold + #[para]to set background red + #[para]punk::ansi::a Red + #[para]see [cmd punk::ansi::a?] to display a list of codes + #variable SGR_setting_map { + # bold 1 dim 2 blink 5 fastblink 6 noblink 25 hide 8 normal 22 + # underline 4 doubleunderline 21 nounderline 24 strike 9 nostrike 29 italic 3 noitalic 23 + # reverse 7 noreverse 27 defaultfg 39 defaultbg 49 nohide 28 + # overline 53 nooverline 55 frame 51 framecircle 52 noframe 54 + #} + #variable SGR_colour_map { + # black 30 red 31 green 32 yellow 33 blue 34 purple 35 cyan 36 white 37 + # Black 40 Red 41 Green 42 Yellow 43 Blue 44 Purple 45 Cyan 46 White 47 + # BLACK 100 RED 101 GREEN 102 YELLOW 103 BLUE 104 PURPLE 105 CYAN 106 WHITE 107 + #} + + #don't disable ansi here. + #we want this to be available to call even if ansi is off + #variable SGR_map + set t [list] + foreach i $args { + switch -- $i { + bold {lappend t 1} + dim {lappend t 2} + blink {lappend t 5} + fastblink {lappend t 6} + noblink {lappend t 25} + hide {lappend t 8} + normal {lappend t 22} + underline {lappend t 4} + doubleunderline {lappend t 21} + nounderline {lappend t 24} + strike {lappend t 9} + nostrike {lappend t 29} + italic {lappend t 3} + noitalic {lappend t 23} + reverse {lappend t 7} + noreverse {lappend t 27} + defaultfb {lappend t 39} + defaultbg {lappedn t 49} + nohide {lappend t 28} + overline {lappend t 53} + nooverline {lappend t 55} + frame {lappend t 51} + framecircle {lappend t 52} + noframe {lappend t 54} + black {lappend t 30} + red {lappend t 31} + green {lappend t 32} + yellow {lappend t 33} + blue {lappend t 34} + purple {lappend t 35} + cyan {lappend t 36} + white {lappend t 37} + Black {lappend t 40} + Red {lappend t 41} + Green {lappend t 42} + Yellow {lappend t 43} + Blue {lappend t 44} + Purple {lappend t 45} + Cyan {lappend t 46} + White {lappend t 47} + BLACK {lappend t 100} + RED {lappend t 101} + GREEN {lappend t 101} + YELLOW {lappend t 103} + BLUE {lappend t 104} + PURPLE {lappend t 105} + CYAN {lappend t 106} + WHITE {lappend t 107} + default { + if {[string is integer -strict $i]} { + lappend t $i + } elseif {[string first ";" $i] >=0} { + #literal with params + lappend t $i + } else { + #accept examples for foreground + # 256f-# or 256fg-# or 256f# + # rgbf--- or rgbfg--- or rgbf-- + switch -nocase -glob -- $i { + "256f*" { + set cc [string trim [string range $i 4 end] -gG] + lappend t "38;5;$cc" + } + "256b*" { + set cc [string trim [string range $i 4 end] -gG] + lappend t "48;5;$cc" + } + "rgbf*" { + set rgb [string trim [string range $i 4 end] -gG] + lassign [split $rgb -] r g b + lappend t "38;2;$r;$g;$b" + } + "rgbb*" { + set rgb [string trim [string range $i 4 end] -gG] + lassign [split $rgb -] r g b + lappend t "48;2;$r;$g;$b" + } + } + } + } + } + } + # \033 - octal. equivalently \x1b in hex which is more common in documentation + # empty list [a=] should do reset - same for [a= nonexistant] + # explicit reset at beginning of parameter list for a= (as opposed to a+) + set t [linsert $t 0 0] + return "\x1b\[[join $t {;}]m" + } + + proc ansiwrap {codes text} { + return [a {*}$codes]$text[a] + } @@ -612,16 +901,30 @@ namespace eval punk::ansi { } # -- --- --- --- --- - proc save_cursor {} { + proc cursor_save {} { #*** !doctools - #[call [fun save_cursor]] + #[call [fun cursor_save]] + #[para] equivalent term::ansi::code::ctrl::sc return \x1b\[s } - proc restore_cursor {} { + proc cursor_restore {} { #*** !doctools - #[call [fun restore_cursor]] + #[call [fun cursor_restore]] + #[para] equivalent term::ansi::code::ctrl::rc return \x1b\[u } + proc cursor_save_attributes {} { + #*** !doctools + #[call [fun cursor_save_attributes]] + #[para] equivalent term::ansi::code::ctrl::sca + return \x1b7 + } + proc cursor_restore_attributes {} { + #*** !doctools + #[call [fun cursor_restore_attributes]] + #[para] equivalent term::ansi::code::ctrl::rca + return \x1b8 + } # -- --- --- --- --- proc erase_line {} { @@ -690,6 +993,31 @@ namespace eval punk::ansi { #[para]The punk::ansi::cursor_pos function is used by punk::console::get_cursor_pos and punk::console::get_cursor_pos_list return \033\[6n } + + proc cursor_pos_extended {} { + #includes page e.g ^[[47;3;1R + return \033\[?6n + } + + + #DECFRA - Fill rectangular area + #REVIEW - vt100 accepts decimal values 132-126 and 160-255 ("in the current GL or GR in-use table") + #some modern terminals accept and display characters outside this range - but this needs investigation. + #in a modern unicode era - the restricted range doesn't make a lot of sense - but we need to see what terminal emulators actually do. + #e.g what happens with double-width? + #this wrapper accepts a char rather than a decimal value + proc fill_rect {char t l b r} { + set dec [scan $char %c] + return \x1b\[$dec\;$t\;$l\;$b\;$r\$x + } + #DECFRA with decimal char value + proc fill_rect_dec {decimal t l b r} { + return \x1b\[$decimal\;$t\;$l\;$b\;$r\$x + } + + proc checksum_rect {id page t l b r} { + return "\x1b\[${id}\;${page}\;$t\;$l\;$b\;$r*y" + } proc request_cursor_information {} { #*** !doctools @@ -727,9 +1055,9 @@ namespace eval punk::ansi { } #length of text for printing characters only - #review - unicode and other non-printing chars and combining sequences? + #- unicode and other non-printing chars and combining sequences should be handled by the ansifreestring_width call at the end. #certain unicode chars are full-width (single char 2 columns wide) e.g see "Halfwdith and fullwidth forms" and ascii_fuillwidth blocks in punk::char::charset_names - #review - is there an existing library or better method? print to a terminal and query cursor position? + #review - is there an existing library or better method? printing to a terminal and querying cursor position is relatively slow and terminals lie. #Note this length calculation is only suitable for lines being appended to other strings if the line is pre-processed to account for backspace and carriage returns first #If the raw line is appended to another string without such processing - the backspaces & carriage returns can affect data prior to the start of the string. proc printing_length {line} { @@ -738,8 +1066,13 @@ namespace eval punk::ansi { } #what if line has \v (vertical tab) ie more than one logical screen line? - #review - + #review - detect ansi moves and warn/error? They would invalidate this algorithm + #for a string with ansi moves - we would need to use the overtype::renderline function (which is a bit heavier) + #arguably - \b and \r are cursor move operations too - so processing them here is not very symmetrical - review + #the purpose of backspace (or line cr) in embedded text is unclear. Should it allow some sort of character combining/overstrike as it has sometimes done historically (nroff/less)? e.g a\b` as an alternative combiner or bolding if same char + #This should presumably only be done if the over_strike (os) capability is enabled in the terminal. Either way - it presumably won't affect printing width? set line [punk::ansi::stripansi $line] + #we can't use simple \b processing if we get ansi codes and aren't actually processing them (e.g moves) set line [punk::char::strip_nonprinting_ascii $line] ;#only strip nonprinting after stripansi - some like BEL are part of ansi #backspace 0x08 only erases* printing characters anyway - so presumably order of processing doesn't matter @@ -754,33 +1087,72 @@ namespace eval punk::ansi { #for this reason - it would seem best to normalize the tabs to spaces prior to performing the backspace calculation - otherwise we won't account for the 'short' tabs it effectivley produces #normalize tabs to an appropriate* width #*todo - handle terminal/context where tabwidth != the default 8 spaces - set line [textutil::tabify::untabify2 $line] + if {[string first \t $line] >= 0} { + set line [textutil::tabify::untabify2 $line] + } + + #NOTE - this is non-destructive backspace as it occurs in text blocks - and is likely different to the sequence coming from a terminal or editor which generally does a destructive backspace + #e.g + #This means for example that abc\b has a length of 3. Trailing or leading backslashes have no effect + + #set bs [format %c 0x08] + #set line [string map [list "\r\b" "\r"] $line] ;#backsp following a \r will have no effect + set line [string trim $line \b] ;#take off at start and tail only - set bs [format %c 0x08] - #set line [string map [list "\r${bs}" "\r"] $line] ;#backsp following a \r will have no effect - set line [string trim $line $bs] #counterintuitively "x\b" still shows the x ie length is still one. The backspace just moves the position. There must be a char following \b for it to affect the length. + #(we are not interested in the destructive backspace case present in editors,terminals etc - that is a different context) set n 0 - set chars [split $line ""] + #set chars [split $line ""] ; #review - graphemes vs chars? Terminals differ in how they treat this. + set chars [punk::char::grapheme_split $line] + set cr_posns [lsearch -all $chars \r] + set bs_posns [lsearch -all $chars \b] + foreach p $cr_posns { + lset chars $p + } + foreach p $bs_posns { + lset chars $p + } + + #mintty seems more 'correct'. It will backspace over an entire grapheme (char+combiners) whereas windows terminal/wezterm etc remove a combiner #build an output set idx 0 set outchars [list] set outsizes [list] + # -- + #tcl8.6/8.7 we can get a fast byte-compiled switch statement only with literals in the source code + #this is difficult/risky to maintain - hence the lsearch and grapheme-replacement above + #we could reasonably do it with backspace - but cr is more difficult + #note that \x08 \b etc won't work to create a compiled switch statement even with unbraced (separate argument) form of switch statement. + #set bs "" + #set cr ? + # -- foreach c $chars { - if {$c eq $bs} { - if {$idx > 0} { - incr idx -1 + switch -- $c { + { + if {$idx > 0} { + incr idx -1 + } + } + { + set idx 0 + } + default { + #set nxt [llength $outchars] + if {$idx < [llength $outchars]} { + #overstrike? - should usually have no impact on width - width taken as last grapheme in that column + #e.g nroff would organise text such that underline written first, then backspace, then the character - so that terminals without overstrike would display something useful if no overstriking is done + #Conceivably double_wide_char then backspace then underscore would underreport the length if overstriking were intended. + lset outchars $idx $c + } else { + lappend outchars $c + } + #punk::ansi::internal::printing_length_addchar $idx $c + incr idx } - } elseif {$c eq "\r"} { - set idx 0 - } else { - punk::ansi::internal::printing_length_addchar $idx $c - incr idx } } - set line2 [join $outchars ""] - return [punk::char::string_width $line2] + return [punk::char::ansifreestring_width [join $outchars ""]] } @@ -788,7 +1160,6 @@ namespace eval punk::ansi { #[list_end] [comment {--- end definitions namespace punk::ansi ---}] } - namespace eval punk::ansi { @@ -823,39 +1194,84 @@ namespace eval punk::ansi { return "\u0090+q$payload\u009c" } namespace eval codetype { - #Functions that operate on a single ansi code sequence - not a sequence, and not codes embedded in another string + #Functions that are primarily intended to operate on a single ansi code sequence - rather than a sequence, or codes embedded in another string + #in some cases multiple sequences or leading trailing strings are ok - but the proc docs should note where the function is looking + #review - separate namespace for functions that operate on multiple or embedded? proc is_sgr {code} { #SGR (Select Graphic Rendition) - codes ending in 'm' - e.g colour/underline #we will accept and pass through the less common colon separator (ITU Open Document Architecture) #Terminals should generally ignore it if they don't use it regexp {\033\[[0-9;:]*m$} $code } - proc is_cursor_move_in_line {code} { - #review - what about CSI n : m H where row n happens to be current line? - regexp {\033\[[0-9]*(:?C|D|G)$} $code + + #review - has_cursor_move_in_line? Are we wanting to allow strings/sequences and detect that there are no moves that *aren't* within line? + proc is_cursor_move_in_line {code {knownline ""}} { + if {[regexp {\033\[[0-9]*(:?C|D|G)$} $code]} { + return 1 + } + if {[string is integer -strict $knownline]} { + #CSI n : m H where row n happens to be current line - review/test + set re [string map [list %n% $knownline] {\x1b\[%n%:[0-9]*H$}] + if {[regexp $re $code]} { + return 1 + } + } + return 0 } #pure SGR reset with no other functions proc is_sgr_reset {code} { + #*** !doctools + #[call [fun is_sgr_reset] [arg code]] + #[para]Return a boolean indicating whether this string has a trailing pure SGR reset + #[para]Note that if the reset is not the very last item in the string - it will not be detected. + #[para]This is primarily intended for testing a single ansi code sequence, but code can be any string where the trailing SGR code is to be tested. + #todo 8-bit csi - regexp {\033\[0*m$} $code + regexp {\x1b\[0*m$} $code } + + #whether this code has 0 (or equivalently empty) parameter (but may set others) #if an SGR code has a reset in it - we don't need to carry forward any previous SGR codes - #it generally only makes sense for the reset to be the first entry - otherwise the code has ineffective portions + #it generally only makes sense for the reset to be the first parameter - otherwise the code has ineffective portions #However - detecting zero or empty parameter in other positions requires knowing all other codes that may allow zero or empty params. - #We will only look at initial parameter as this is the well-formed normal case. + #We only look at the initial parameter within the trailing SGR code as this is the well-formed normal case. + #Review - consider normalizing sgr codes to remove other redundancies such as setting fg or bg color twice in same code proc has_sgr_leadingreset {code} { + #*** !doctools + #[call [fun has_sgr_leadingreset] [arg code]] + #[para]The reset must be the very first item in code to be detected. Trailing strings/codes ignored. set params "" - regexp {\033\[(.*)m} $code _match params - set plist [split $params ";"] - if {[string trim [lindex $plist 0] 0] eq ""} { - #e.g \033\[m \033\[0\;...m \033\[0000...m - return 1 + #we need non-greedy + if {[regexp {^\033\[([^m]*)m} $code _match params]} { + #must match trailing m to be the type of reset we're looking for + set plist [split $params ";"] + if {[string trim [lindex $plist 0] 0] eq ""} { + #e.g \033\[m \033\[0\;...m \033\[0000...m + return 1 + } else { + return 0 + } } else { return 0 } } + proc is_gx {code} { + #g0 {(?:\x1b\(0)(?:(?!\x1b\(B).)*\x1b\(B} + #g1 {(?:\x1b\)0)(?:(?!\x1b\)B).)*\x1b\)B} + regexp {\x1b(?:\(0(?:(?:(?!\x1b\(B).)*\x1b\(B)|\)0(?:(?:(?!\x1b\)B).)*\x1b\)B))} $code + } + proc is_gx_open {code} { + #todo g2,g3? + #pin to start and end with ^ and $ ? + #regexp {\x1b\(0|\x1b\)0} $code + regexp {\x1b(?:\(0|\)0)} $code + } + proc is_gx_close {code} { + #regexp {\x1b\(B|\x1b\)B} $code + regexp {\x1b(?:\(B|\)B)} $code + } #has_sgr_reset - rather than support this function - create an sgr normalize function that removes dead params and brings reset to front of param list? @@ -899,45 +1315,70 @@ namespace eval punk::ansi::ta { #CSI #variable re_csi_open {(?:\033\[|\u009b)[0-9;]+} ;#too specific - doesn't detect \033\[m - variable re_csi_open {(?:\033\[|\u009b)} + variable re_csi_open {(?:\x1b\[|\u009b)} + #variable re_csi_code {(?:\033\[|\u009b)[0-9;]*[a-zA-Z\\@\^_\{|\}\[\]~`]} + variable re_csi_code {(?:\x1b\[|\u009b)[\x20-\x2f\x30-\x3f]*[\x40-\x7e]} - #colour and style - variable re_csi_colour {(?:\033\[|\u009b)[0-9;]*m} ;#e.g \033\[31m \033\[m \033\[0m \033\[m0000m + #intermediate bytes range 0x20-0x2F (ascii space and !"#$%&'()*+,-./) + #parameter bytes range 0x30-0x3F (ascii 0-9:;<=>?) #single "final byte" in the range 0x40–0x7E (ASCII @A–Z[\]^_`a–z{|}~). - variable re_csi_code {(?:\033\[|\u009b)[0-9;]*[a-zA-Z\\@^_|~`]} - #OSC - termnate with BEL (\a \007) or ST (string terminator \033\\) - # 8-byte string terminator is \x9c (\u009c) + #colour and style + variable re_sgr {(?:\033\[|\u009b)[0-9;]*m} ;#e.g \033\[31m \033\[m \033\[0m \033\[m0000m - #non-greedy via "*?" doesn't seem to work like this.. - #variable re_esc_osc1 {(?:\033\]).*?\007} - #variable re_esc_osc2 {(?:\033\]).*?\033\\} - #variable re_esc_osc3 {(?:\u009d).*?\u009c} + #OSC - termnate with BEL (\a \007) or ST (string terminator \x1b\\) + # 8-byte string terminator is \x9c (\u009c) #non-greedy by excluding ST terminators - #TODO - FIX? see re_ST below - variable re_esc_osc1 {(?:\033\])(?:[^\007]*)\007} - variable re_esc_osc2 {(?:\033\])(?:[^\033]*)\033\\} + variable re_esc_osc1 {(?:\x1b\])(?:[^\007]*)\007} + #variable re_esc_osc2 {(?:\033\])(?:[^\033]*)\033\\} ;#somewhat wrong - we want to exclude the ST - not other esc sequences + variable re_esc_osc2 {(?:\x1b\])(?:(?!\x1b\\).)*\x1b\\} variable re_esc_osc3 {(?:\u009d)(?:[^\u009c]*)?\u009c} + variable re_osc_open {(?:\x1b\]|\u009d).*} - variable re_osc_open {(?:\033\]|\u009d).*} - #standalone_codes [list \x1bc "" \x1b7 "" \x1b8 "" \x1bM "" \x1bE "" \x1bD "" \x1bH "" \x1b= "" \x1b> "" \x1b#3 "" \x1b#4 "" \x1b#5 "" \x1b#5 "" \x1b#6 "" \x1b#8 ""] + variable standalone_code_map [list \x1bc "" \x1b7 "" \x1b8 "" \x1bM "" \x1bE "" \x1bD "" \x1bH "" \x1b= "" \x1b> "" \x1b#3 "" \x1b#4 "" \x1b#5 "" \x1b#6 "" \x1b#8 ""] variable re_standalones {(?:\x1bc|\x1b7|\x1b8|\x1bM|\x1bE|\x1bD|\x1bD|\x1bH|\x1b=|\x1b>|\x1b#3|\x1b#4|\x1b#5|\x1b#6|\x1b#8)} - #see stripansi - set re_start_ST {^(?:\033X|\u0098|\033\^|\u009e|\033_|\u009f)} + #if we don't split on altgraphics too and separate them out - it's easy to get into a horrible mess + variable re_altg0_group {(?:\x1b\(0)(?:(?!\x1b\(B).)*\x1b\(B} + variable re_altg0_open {(?:\x1b\(0)} + variable re_altg0_close {(?:\x1b\(B)} + + # DCS "ESC P" or "0x90" is also terminated by ST + set re_ST_open {(?:\033P|\u0090|\033X|\u0098|\033\^|\u009e|\033_|\u009f)} #ST terminators [list \007 \033\\ \u009c] #regex to capture the start of string/privacy message/application command block including the contents and string terminator (ST) #non-greedy by exclusion of ST terminators in body - #!!! - #TODO - fix. we need to match \033\\ not just \033 ! could be colour codes nested in a privacy msg/string - #This will currently terminate the code too early in this case + #we need to match \x1b\\ not just \x1b There could be colour codes nested in a privacy msg/string + #even if terminals generally don't support that - it's quite possible for an ansi code to get nested this way - and we'd prefer it not to break our splits + #Just checking for \x1b will terminate the match too early #we also need to track the start of ST terminated code and not add it for replay (in the ansistring functions) - variable re_ST {(?:\033X|\u0098|\033\^|\u009E|\033_|\u009F)(?:[^\033\007\u009c]*)(?:\033\\|\007|\u009c)} + #variable re_ST {(?:\x1bX|\u0098|\x1b\^|\u009E|\x1b_|\u009F)(?:[^\x1b\007\u009c]*)(?:\x1b\\|\007|\u009c)} ;#downsides: early terminating with nests, mixes 7bit 8bit start/ends (does that exist in the wild?) + #keep our 8bit/7bit start-end codes separate + variable re_ST {(?:\x1bP|\x1bX|\x1b\^|\x1b_)(?:(?!\x1b\\|007).)*(?:\x1b\\|\007)|(?:\u0090|\u0098|\u009E|\u009F)(?:(?!\u009c).)*(?:\u009c)} + + + + #consider standalones as self-opening/self-closing - therefore included in both ansi_detect and ansi_detect_open - variable re_ansi_detect "${re_csi_open}|${re_esc_osc1}|${re_esc_osc2}|${re_standalones}|${re_start_ST}" + #default for regexes is non-newline-sensitive matching - ie matches can span lines + # -- --- --- --- + variable re_ansi_detect1 "${re_csi_code}|${re_esc_osc1}|${re_esc_osc2}|${re_esc_osc3}|${re_standalones}|${re_ST}|${re_altg0_open}|${re_altg0_close}" + # -- --- --- --- + #handrafted TRIE version of above. Somewhat difficult to construct and maintain. TODO - find a regext TRIE generator that works with Tcl regexes + #This does make things quicker - but it's too early to finalise the detect/split regexes (e.g missing \U0090 ) - will need to be redone. + variable re_ansi_detect {(?:\x1b(?:\((?:0|B)|\[(?:[\x20-\x2f\x30-\x3f]*[\x40-\x7e])|\](?:(?:[^\007]*)\007|(?:(?!\x1b\\).)*\x1b\\)|(?:P|X|\^|_)(?:(?:(?!\x1b\\|007).)*(?:\x1b\\|\007))|c|7|8|M|E|D|H|=|>|(?:#(?:3|4|5|6|8))))|(?:\u0090|\u0098|\u009E|\u009F)(?:(?!\u009c).)*(?:\u009c)|(?:\u009b)[\x20-\x2f\x30-\x3f]*[\x40-\x7e]|(?:\u009d)(?:[^\u009c]*)?\u009c} + # -- --- --- --- + + + + variable re_ansi_detect_open "${re_csi_open}|${re_osc_open}|${re_standalones}|${re_ST_open}|${re_altg0_open}" + + #may be same as detect - kept in case detect needs to diverge + #variable re_ansi_split "${re_csi_code}|${re_esc_osc1}|${re_esc_osc2}|${re_esc_osc3}|${re_standalones}|${re_ST}|${re_altg0_open}|${re_altg0_close}" + set re_ansi_split $re_ansi_detect #detect any ansi escapes #review - only detect 'complete' codes - or just use the opening escapes for performance? @@ -948,13 +1389,19 @@ namespace eval punk::ansi::ta { #[para] variable re_ansi_detect - #variable re_csi_open - #variable re_esc_osc1 - #variable re_esc_osc2 - #todo - other escape sequences - #expr {[regexp $re_csi_open $text] || [regexp $re_esc_osc1 $text] || [regexp $re_esc_osc2 $text]} expr {[regexp $re_ansi_detect $text]} } + proc detect2 {text} { + variable re_ansi_detect2 + expr {[regexp $re_ansi_detect2 $text]} + } + + + proc detect_open {text} { + variable re_ansi_detect_open + expr {[regexp $re_ansi_detect_open $text]} + } + #not in perl ta proc detect_csi {text} { #*** !doctools @@ -976,8 +1423,8 @@ namespace eval punk::ansi::ta { #[para]This is most commonly an Ansi colour code - but also things such as underline and italics #[para]An SGR with empty or a single zero argument is a reset of the SGR features - this is also detected. #[para](This function is not in perl ta) - variable re_csi_colour - expr {[regexp $re_csi_colour $text]} + variable re_sgr + expr {[regexp $re_sgr $text]} } proc strip {text} { #*** !doctools @@ -1005,12 +1452,8 @@ namespace eval punk::ansi::ta { #not in perl ta #returns just the plaintext portions in a list proc split_at_codes {text} { - variable re_esc_osc1 - variable re_esc_osc2 - variable re_csi_code - variable re_standalones - variable re_ST - punk::ansi::internal::splitx $text "${re_csi_code}|${re_esc_osc1}|${re_esc_osc2}|${re_standalones}|${re_ST}" + variable re_ansi_split + punk::ansi::internal::splitx $text ${re_ansi_split} } # -- --- --- --- --- --- @@ -1027,23 +1470,14 @@ namespace eval punk::ansi::ta { #ta_split_codes "\e[31m\e[0mb" # => {"" "\e[31m\e[0m" "b"} # proc split_codes {text} { - variable re_esc_osc1 - variable re_esc_osc2 - variable re_csi_code - variable re_standalones - variable re_ST - set re "(?:${re_csi_code}|${re_standalones}|${re_ST}|${re_esc_osc1}|${re_esc_osc2})+" + variable re_ansi_split + set re "(?:${re_ansi_split})+" return [_perlish_split $re $text] } #like split_codes - but each ansi-escape is split out separately (with empty string of plaintext between codes so odd/even plain ansi still holds) proc split_codes_single {text} { - variable re_esc_osc1 - variable re_esc_osc2 - variable re_csi_code - variable re_standalones - variable re_ST - set re "${re_csi_code}|${re_standalones}|${re_ST}|${re_esc_osc1}|${re_esc_osc2}" - return [_perlish_split $re $text] + variable re_ansi_split + return [_perlish_split $re_ansi_split $text] } #review - tcl greedy expressions may match multiple in one element @@ -1068,14 +1502,35 @@ namespace eval punk::ansi::ta { } lappend list [string range $text $start $matchStart-1] [string range $text $matchStart $matchEnd] set start [expr {$matchEnd+1}] - #? if {$start >= [string length $text]} { break } } - lappend list [string range $text $start end] - return $list + return [lappend list [string range $text $start end]] + } + proc _perlish_split2 {re text} { + if {[string length $text] == 0} { + return {} + } + set list [list] + set start 0 + #We can get $matchEnd < $matchStart; we need to ensure there is an exit condition for non-greedy empty results REVIEW + while {[regexp -start $start -indices -- $re $text match]} { + lassign $match matchStart matchEnd + #puts "->start $start ->match $matchStart $matchEnd" + if {$matchEnd < $matchStart} { + lappend list [string range $text $start $matchStart-1] [string index $text $matchStart] + incr start + } else { + lappend list [string range $text $start $matchStart-1] [string range $text $matchStart $matchEnd] + set start [expr {$matchEnd+1}] + } + if {$start >= [string length $text]} { + break + } + } + return [lappend list [string range $text $start end]] } proc _ws_split {text} { regexp -all -inline {(?:\S+)|(?:\s+)} $text @@ -1097,7 +1552,7 @@ namespace eval punk::ansi::ansistring { namespace path [list ::punk::ansi ::punk::ansi::ta] namespace ensemble create - namespace export length trim trimleft trimright index VIEW + namespace export length length1 trim trimleft trimright index VIEW VIEWCODES INDEXABSOLUTE INDEXCOLUMNS COLUMNINDEX #todo - expose _splits_ methods so caller can work efficiently with the splits themselves #we need to consider whether these can be agnostic towards splits from split_codes vs split_codes_single @@ -1370,6 +1825,35 @@ namespace eval punk::ansi::ansistring { #test of ISO2047 - 7bit - limited set, limited support, somewhat obscure glyphs #return [string map [list \033 \U2296 \007 \U237E] $string] } + proc VIEWCODES {string} { + if {![llength $string]} { + return "" + } + set redb [a+ red bold] + set greenb [a+ green bold] + set GX [a+ black White bold] + set unk [a+ yellow bold] + set RST [a] + + #don't split into lines first - \n is valid within ST sections + set output "" + set splits [punk::ansi::ta::split_codes_single $string] + foreach {pt code} $splits { + append output "$pt" + if {[punk::ansi::codetype::is_sgr_reset $code]} { + append output ${greenb}RST$RST + } elseif {[punk::ansi::codetype::is_gx_open $code]} { + append output ${GX}GX+$RST + } elseif {[punk::ansi::codetype::is_gx_close $code]} { + append output ${GX}GX-$RST + } elseif {[punk::ansi::codetype::is_sgr $code]} { + append output ${greenb}[ansistring VIEW $code]$RST + } else { + append output ${unk}[ansistring VIEW $code]$RST + } + } + return $output + } proc length {string} { #*** !doctools @@ -1379,8 +1863,20 @@ namespace eval punk::ansi::ansistring { #[para]This is equivalent to calling string length on the result of stripansi $string #[para]Note that this returns the number of characters in the payload (after applying combiners), and is not always the same as the width of the string as rendered on a terminal. #[para]To get the width, use punk::ansi::printing_length instead, which is also ansi aware. + + #todo - combiners/diacritics? just map them away here? + set re_diacritics {[\u0300-\u036f]+|[\u1ab0-\u1aff]+|[\u1dc0-\u1dff]+|[\u20d0-\u20ff]+|[\ufe20-\ufe2f]+} + set string [regsub -all $re_diacritics $string ""] + + #we want length to return number of glyphs.. not screen width. Has to be consistent with index function string length [stripansi $string] } + #included as a test/verification - slightly slower. + #grapheme split version may end up being used once it supports unicode grapheme clusters + proc length2 {string} { + #we want length to return number of glyphs.. not screen width. Has to be consistent with index function + return [llength [punk::char::grapheme_split [stripansi $string]]] + } proc trimleft {string args} { set intext 0 @@ -1433,7 +1929,7 @@ namespace eval punk::ansi::ansistring { #[para]Some sort of generator that parses more of the string as required might be more efficient for large chunks. #[para]For end-x operations we have to pre-calculate the content-length by stripping the ansi - which is also potentially sub-optimal - set splits [split_codes_single $string]; #we get empty pt(plaintext) between each ansi code that is in a run + set ansisplits [split_codes_single $string]; #we get empty pt(plaintext) between each ansi code that is in a run #todo - end-x +/-x+/-x etc set original_index $index @@ -1506,16 +2002,21 @@ namespace eval punk::ansi::ansistring { set codes_in_effect "" #we can't only apply leading sequence from previous code - as there may be codes in effect from earlier, so we have to track as we go #(this would apply even if we used split_codes - but then we would need to do further splitting of each codeset anyway) - foreach {pt code} $splits { + foreach {pt code} $ansisplits { incr pt_index 2 + #we want an index per grapheme - whether it is doublewide or single + if {$pt ne ""} { + set graphemes [punk::char::grapheme_split $pt] set low [expr {$high + 1}] ;#last high - incr high [string length $pt] + #incr high [string length $pt] + incr high [llength $graphemes] } if {$pt ne "" && ($index >= $low && $index <= $high)} { set pt_found $pt_index - set char [string index $pt $index-$low] + #set char [string index $pt $index-$low] + set char [lindex $graphemes $index-$low] break } @@ -1540,6 +2041,222 @@ namespace eval punk::ansi::ansistring { } } + #helper to convert indices (possibly of form x+y end-x etc) to numeric values within the payload range i.e without ansi + #return empty string for each index that is out of range + #review - this is possibly too slow to be very useful as is. + # consider converting to oo and maintaining state of ansisplits so we don't repeat relatively expensive operations for same string + proc INDEXABSOLUTE {string args} { + set payload_len -1 ;# -1 as token to indicate we haven't calculated it yet (only want to call it once at most) + set testindices [list] + foreach index $args { + if {[string is integer -strict $index]} { + if {$index < 0} { + lappend testindices "" + } elseif {$index > [string length $string]} { + #this only short-circuits an index greater than length including ansi-chars + #we don't want to spend cycles stripping ansi for this test so code below will still have to handle index just larger than content-length but still less than entire length + lappend testindices "" + } else { + lappend testindices $index + } + } else { + if {[string match end* $index]} { + #for end- we will probably have to blow a few cycles stripping first and calculate the length + if {$index ne "end"} { + set op [string index $index 3] + set offset [string range $index 4 end] + if {$op ni {+ -} || ![string is integer -strict $offset]} {error "bad index '$index': must be integer?\[+-\]integer? or end?\[+-\]integer?"} + if {$op eq "+" && $offset != 0} { + lappend testindices "" + continue + } + } else { + set offset 0 + } + #by now, if op = + then offset = 0 so we only need to handle the minus case + if {$payload_len == -1} { + set payload_len [punk::ansi::ansistring::length $string] ;#a little bit wasteful - but hopefully no big deal + } + if {$offset == 0} { + set index [expr {$payload_len-1}] + } else { + set index [expr {($payload_len-1) - $offset}] + } + if {$index < 0} { + lappend testindices "" + } else { + lappend testindices $index + } + } else { + #we are trying to avoid evaluating unbraced expr of potentially insecure origin + regexp {^([+-]{0,1})(.*)} $index _match sign tail ;#should always match - even empty string + if {[string is integer -strict $tail]} { + #plain +- + if {$op eq "-"} { + #return nothing for negative indices as per Tcl's lindex etc + lappend indices "" + continue + } + set index $tail + lappend testindices $index + } else { + if {[regexp {(.*)([+-])(.*)} $index _match a op b]} { + if {[string is integer -strict $a] && [string is integer -strict $b]} { + if {$op eq "-"} { + set index [expr {$a - $b}] + } else { + set index [expr {$a + $b}] + } + } else { + error "bad index '$index': must be integer?\[+-\]integer? or end?\[+-\]integer?" + } + } else { + error "bad index '$index': must be integer?\[+-\]integer? or end?\[+-\]integer?" + } + lappend testindices $index + } + } + } + #assert - we made exactly one append to testindices if there was no error + } + #we now have numeric or empty string indices - but haven't fully checked they are within the underlying payload length + + if {[join $testindices ""] eq ""} { + #don't calc ansistring length if no indices to check + return $testindices + } + if {$payload_len == -1} { + set payload_len [punk::ansi::ansistring::length $string] + } + set indices [list] + foreach ti $testindices { + if {$ti ne ""} { + if {$ti < $payload_len} { + lappend indices $ti + } else { + lappend indices "" + } + } else { + lappend indices "" + } + } + return $indices + + } + + #Todo - rows! + #return pair of column extents occupied by the character index supplied. + #single-width grapheme will return pair of integers of equal value + #doulbe-width grapheme will return a pair of consecutive indices + proc INDEXCOLUMNS {string idx} { + #There is an index per grapheme - whether it is 1 or 2 columns wide + set index [lindex [INDEXABSOLUTE $string $idx] 0] + if {$index eq ""} { + return "" + } + set ansisplits [split_codes_single $string]; #we get empty pt(plaintext) between each ansi code that is in a run + set low -1 ;#low and high grapheme indexes + set high -1 + set lowc 0 ;#low and high column (1 based) + set highc 0 + set col1 "" + set col2 "" + set row 1 + foreach {pt code} $ansisplits { + if {$pt ne ""} { + set ptlines [split $pt \n] + set ptlinecount [llength $ptlines] + set ptlineindex 0 + foreach ptline $ptlines { + set graphemes [punk::char::grapheme_split $ptline] + if {$ptlineindex > 0} { + #todo - account for previous \n as a grapheme .. what column? It should theoretically be in the rightmost column + #zero width + set low [expr {$high + 1}] + set lowc [expr {$highc + 1}] + set high $low + set highc $lowc + if {$index == $low} { + set char \n + set col1 $lowc + set col2 $col1 + break + } + incr row + set lowc 0 + set highc 0 + } + set low [expr {$high + 1}] ;#last high + set lowc [expr {$highc + 1}] + set high [expr {$low + [llength $graphemes] -1}] + set highc [expr {$lowc + [punk::char::ansifreestring_width $ptline] -1}] + #puts "---row:$row lowc:$lowc highc:$highc $ptline graphemes:$graphemes" + if {$index >= $low && $index <= $high} { + set char [lindex $graphemes $index-$low] + set prefix [join [lrange $graphemes 0 [expr {$index-$low-1}]] ""] + set prefixlen [punk::char::ansifreestring_width $prefix] + set col1 [expr {$lowc + $prefixlen}] + set gwidth [punk::char::ansifreestring_width $char] + if {$gwidth < 1} { + puts stderr "ansistring INDEXCOLUMNS warning - grapheme width zero at column $col1 ??" + return "" ;#grapheme doesn't occupy a column and isn't a newline? - review + } + set col2 [expr {$col1 + ($gwidth -1)}] + break + } + incr ptlineindex + } + } + } + if {$col1 ne "" & $col2 ne ""} { + return [list $col1 $col2] + } + } + + #multiple rows - return a list? + #return the grapheme index that occupies column col (could be first or second half of 2-wide grapheme) + proc COLUMNINDEX {string col} { + + set ansisplits [split_codes_single $string]; #we get empty pt(plaintext) between each ansi code that is in a run + set lowindex -1 ;#low and high grapheme indexes + set highindex -1 + set lowc 0 ;#low and high column (1 based) + set highc 0 + set col1 "" + set col2 "" + foreach {pt code} $ansisplits { + if {$pt ne ""} { + if {[string first \n $pt] < 0} { + set graphemes [punk::char::grapheme_split $pt] + set lowindex [expr {$highindex + 1}] ;#last high + set lowc [expr {$highc + 1}] + set highindex [expr {$lowindex + [llength $graphemes] -1}] + set highc [expr {$lowc + [punk::char::ansifreestring_width $pt] -1}] + if {$col >= $lowc && $col <= $highc} { + if {$col == $lowc} { + return $lowindex + } elseif {$col == $highc} { + return $highindex + } + set index [expr {$lowindex + 1}] + set str "" + foreach g $graphemes { + append str $g + set width [punk::char::ansifreestring_width $str] + if {$lowc + $width >= $col} { + return $index + } + incr index + } + error "ansistring COLUMNINDEX '$string' $col not found" ;#assert - shouldn't happen + } + } else { + error "ansistring COLUMNINDEX multiline not implemented" + } + } + } + } + proc _splits_trimleft {sclist} { set intext 0 set outlist [list] diff --git a/src/bootsupport/modules/punk/args-0.1.0.tm b/src/bootsupport/modules/punk/args-0.1.0.tm index f7eb1255..f8b008f8 100644 --- a/src/bootsupport/modules/punk/args-0.1.0.tm +++ b/src/bootsupport/modules/punk/args-0.1.0.tm @@ -81,9 +81,9 @@ #[para] packages used by punk::args #[list_begin itemized] -package require Tcl 8.6 +package require Tcl 8.6- #*** !doctools -#[item] [package {Tcl 8.6}] +#[item] [package {Tcl 8.6-}] # #package require frobz # #*** !doctools @@ -174,7 +174,6 @@ namespace eval punk::args { #} $args set optionspecs [string map [list \r\n \n] $optionspecs] - set known_argspecs [list -default -type -range -choices -nocase -optional -multiple -validate_without_ansi -allow_ansi -strip_ansi] set optspec_defaults [dict create\ -optional 1\ -allow_ansi 1\ @@ -204,11 +203,8 @@ namespace eval punk::args { foreach ln $records { set trimln [string trim $ln] - if {$trimln eq ""} { - continue - } - if {[string index $trimln 0] eq "#"} { - continue + switch -- [string index $trimln 0] { + "" - # {continue} } set argname [lindex $trimln 0] set argspecs [lrange $trimln 1 end] @@ -224,8 +220,13 @@ namespace eval punk::args { error "punk::args::opts_values - bad optionspecs line for argument '$argname' Remaining items on line must be in paired option-value format - received '$argspecs'" } dict for {spec specval} $argspecs { - if {$spec ni [concat $known_argspecs -ARGTYPE]} { - error "punk::args::opts_values - unrecognised key '$spec' in specifications for argument '$argname' Known option specification keys: $known_argspecs" + #literal-key switch - bytecompiled to jumpTable + switch -- $spec { + -default - -type - -range - -choices - -nocase - -optional - -multiple - -validate_without_ansi - -allow_ansi - -strip_ansi - -ARGTYPE {} + default { + set known_argspecs [list -default -type -range -choices -nocase -optional -multiple -validate_without_ansi -allow_ansi -strip_ansi] + error "punk::args::opts_values - unrecognised key '$spec' in specifications for argument '$argname' Known option specification keys: $known_argspecs" + } } } set argspecs [dict merge $optspec_defaults $argspecs] @@ -450,65 +451,90 @@ namespace eval punk::args { if {!$is_default} { if {[dict exists $arg_info $o -type]} { set type [dict get $arg_info $o -type] - if {[string tolower $type] in {int integer double}} { - if {[string tolower $type] in {int integer}} { - foreach e $vlist e_check $vlist_check { - if {![string is integer -strict $e_check]} { - error "Option $o for $caller requires type 'integer'. Received: '$e'" - } - } - } elseif {[string tolower $type] in {double}} { - foreach e $vlist e_check $vlist_check { - if {![string is double -strict $e_check]} { - error "Option $o for $caller requires type 'double'. Received: '$e'" + switch -- [string tolower $type] { + int - + integer - + double { + if {[string tolower $type] in {int integer}} { + foreach e $vlist e_check $vlist_check { + if {![string is integer -strict $e_check]} { + error "Option $o for $caller requires type 'integer'. Received: '$e'" + } + } + } elseif {[string tolower $type] in {double}} { + foreach e $vlist e_check $vlist_check { + if {![string is double -strict $e_check]} { + error "Option $o for $caller requires type 'double'. Received: '$e'" + } } } - } - #todo - small-value double comparisons with error-margin? review - if {[dict exists $arg_info $o -range]} { - lassign [dict get $arg_info $o -range] low high - foreach e $vlist e_check $vlist_check { - if {$e_check < $low || $e_check > $high} { - error "Option $o for $caller must be between $low and $high. Received: '$e'" + #todo - small-value double comparisons with error-margin? review + if {[dict exists $arg_info $o -range]} { + lassign [dict get $arg_info $o -range] low high + foreach e $vlist e_check $vlist_check { + if {$e_check < $low || $e_check > $high} { + error "Option $o for $caller must be between $low and $high. Received: '$e'" + } } } } - } elseif {[string tolower $type] in {bool boolean}} { - foreach e $vlist e_check $vlist_check { - if {![string is boolean -strict $e_check]} { - error "Option $o for $caller requires type 'boolean'. Received: '$e'" - } - } - } elseif {[string tolower $type] in {alnum alpha ascii control digit graph lower print punct space upper wordchar xdigit}} { - foreach e $vlist e_check $vlist_check { - if {![string is [string tolower $type] $e_check]} { - error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e'" + bool - + boolean { + foreach e $vlist e_check $vlist_check { + if {![string is boolean -strict $e_check]} { + error "Option $o for $caller requires type 'boolean'. Received: '$e'" + } } } - } elseif {[string tolower $type] in {file directory existingfile existingdirectory}} { - foreach e $vlist e_check $vlist_check { - if {!([string length $e_check]>0 && ![regexp {[\"*?<>\;]} $e_check])} { - error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which doesn't look like it could be a file or directory" + alnum - + alpha - + ascii - + control - + digit - + graph - + lower - + print - + punct - + space - + upper - + wordchar - + xdigit { + foreach e $vlist e_check $vlist_check { + if {![string is [string tolower $type] $e_check]} { + error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e'" + } } } - if {[string tolower $type] in {existingfile}} { + file - + directory - + existingfile - + existingdirectory { foreach e $vlist e_check $vlist_check { - if {![file exists $e_check]} { - error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which is not an existing file" + if {!([string length $e_check]>0 && ![regexp {[\"*?<>\;]} $e_check])} { + error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which doesn't look like it could be a file or directory" } } - } elseif {[string tolower $type] in {existingdirectory}} { - foreach e $vlist e_check $vlist_check { - if {![file isdirectory $e_check]} { - error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which is not an existing directory" + if {[string tolower $type] in {existingfile}} { + foreach e $vlist e_check $vlist_check { + if {![file exists $e_check]} { + error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which is not an existing file" + } + } + } elseif {[string tolower $type] in {existingdirectory}} { + foreach e $vlist e_check $vlist_check { + if {![file isdirectory $e_check]} { + error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which is not an existing directory" + } } } } - } elseif {[string tolower $type] in {char character}} { - foreach e $vlist e_check $vlist_check { - if {[string length != 1]} { - error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which is not a single character" + char - + character { + foreach e $vlist e_check $vlist_check { + if {[string length != 1]} { + error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which is not a single character" + } } } } diff --git a/src/bootsupport/modules/punk/cap/handlers/templates-0.1.0.tm b/src/bootsupport/modules/punk/cap/handlers/templates-0.1.0.tm index 9c0b9469..7841c2df 100644 --- a/src/bootsupport/modules/punk/cap/handlers/templates-0.1.0.tm +++ b/src/bootsupport/modules/punk/cap/handlers/templates-0.1.0.tm @@ -73,110 +73,118 @@ namespace eval punk::cap::handlers::templates { #adhoc and currentproject* paths are relative to cwd - so no projectbase information can be stored at registration time. #not all template item types will need projectbase information - as the item data may be self-contained within the template structure - #but project_layout will need it - or at least need to know if there is no project - because project_layout data is never stored in the template folder structure directly. - - if {$pathtype eq "adhoc"} { - if {[file pathtype $path] ne "relative"} { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" - return 0 - } - set extended_capdict $capdict - dict set extended_capdict vendor $vendor - } elseif {$pathtype eq "module"} { - set provide_statement [package ifneeded $pkg [package require $pkg]] - set tmfile [lindex $provide_statement end] - if {![file exists $tmfile]} { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - unable to determine base folder for package '$pkg' which is attempting to register with punk::cap as a provider of '$capname' capability" - return 0 + switch -- $pathtype { + adhoc { + if {[file pathtype $path] ne "relative"} { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" + return 0 + } + set extended_capdict $capdict + dict set extended_capdict vendor $vendor } + module { + set provide_statement [package ifneeded $pkg [package require $pkg]] + set tmfile [lindex $provide_statement end] + if {![file exists $tmfile]} { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - unable to determine base folder for package '$pkg' which is attempting to register with punk::cap as a provider of '$capname' capability" + return 0 + } - if {[file pathtype $path] ne "relative"} { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" - } - set tmfolder [file dirname $tmfile] - #todo - handle wrapped or unwrapped tarjar files - in which case we have to adjust tmfolder appropriately - #set tpath [file normalize [file join $tmfile [dict get $capdict relpath]]] ;#relpath is relative to the tm *file* - not it's containing folder - - set projectinfo [punk::repo::find_repos $tmfolder] - set projectbase [dict get $projectinfo closest] - #store the projectbase even if it's empty string - set extended_capdict $capdict - set resolved_path [file join $tmfolder $path] - dict set extended_capdict resolved_path $resolved_path - dict set extended_capdict projectbase $projectbase - } elseif {$pathtype eq "currentproject_multivendor"} { - #currently only intended for punk::mix::templates - review if 3rd party _multivendor trees even make sense - if {$pkg ni $multivendor_package_whitelist} { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but package is not in whitelist $multivendor_package_whitelist - 3rd party _multivendor tree not supported" - return 0 - } - if {[file pathtype $path] ne "relative"} { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" - return 0 + if {[file pathtype $path] ne "relative"} { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" + } + set tmfolder [file dirname $tmfile] + #todo - handle wrapped or unwrapped tarjar files - in which case we have to adjust tmfolder appropriately + #set tpath [file normalize [file join $tmfile [dict get $capdict relpath]]] ;#relpath is relative to the tm *file* - not it's containing folder + + set projectinfo [punk::repo::find_repos $tmfolder] + set projectbase [dict get $projectinfo closest] + #store the projectbase even if it's empty string + set extended_capdict $capdict + set resolved_path [file join $tmfolder $path] + dict set extended_capdict resolved_path $resolved_path + dict set extended_capdict projectbase $projectbase } + currentproject_multivendor { + #currently only intended for punk::mix::templates - review if 3rd party _multivendor trees even make sense + if {$pkg ni $multivendor_package_whitelist} { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but package is not in whitelist $multivendor_package_whitelist - 3rd party _multivendor tree not supported" + return 0 + } + if {[file pathtype $path] ne "relative"} { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" + return 0 + } - set extended_capdict $capdict - dict set extended_capdict vendor $vendor ;#vendor key still required.. controlling vendor? - } elseif {$pathtype eq "currentproject"} { - if {[file pathtype $path] ne "relative"} { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" - return 0 + set extended_capdict $capdict + dict set extended_capdict vendor $vendor ;#vendor key still required.. controlling vendor? } - #verify that the relative path is within the relative path of a currentproject_multivendor tree - #todo - api for the _multivendor tree controlling package to validate + currentproject { + if {[file pathtype $path] ne "relative"} { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" + return 0 + } + #verify that the relative path is within the relative path of a currentproject_multivendor tree + #todo - api for the _multivendor tree controlling package to validate - set extended_capdict $capdict - dict set extended_capdict vendor $vendor - } elseif {$pathtype eq "shellproject"} { - if {[file pathtype $path] ne "relative"} { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" - return 0 + set extended_capdict $capdict + dict set extended_capdict vendor $vendor } - set shellbase [file dirname [file dirname [file normalize [set ::argv0]/__]]] ;#review - set projectinfo [punk::repo::find_repos $shellbase] - set projectbase [dict get $projectinfo closest] - - set extended_capdict $capdict - dict set extended_capdict vendor $vendor - dict set extended_capdict projectbase $projectbase - } elseif {$pathtype eq "shellproject_multivendor"} { - #currently only intended for punk::templates - review if 3rd party _multivendor trees even make sense - if {$pkg ni $multivendor_package_whitelist} { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but package is not in whitelist $multivendor_package_whitelist - 3rd party _multivendor tree not supported" - return 0 + shellproject { + if {[file pathtype $path] ne "relative"} { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" + return 0 + } + set shellbase [file dirname [file dirname [file normalize [set ::argv0]/__]]] ;#review + set projectinfo [punk::repo::find_repos $shellbase] + set projectbase [dict get $projectinfo closest] + + set extended_capdict $capdict + dict set extended_capdict vendor $vendor + dict set extended_capdict projectbase $projectbase } - if {[file pathtype $path] ne "relative"} { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" - return 0 + shellproject_multivendor { + #currently only intended for punk::templates - review if 3rd party _multivendor trees even make sense + if {$pkg ni $multivendor_package_whitelist} { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but package is not in whitelist $multivendor_package_whitelist - 3rd party _multivendor tree not supported" + return 0 + } + if {[file pathtype $path] ne "relative"} { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" + return 0 + } + set shellbase [file dirname [file dirname [file normalize [set ::argv0]/__]]] ;#review + set projectinfo [punk::repo::find_repos $shellbase] + set projectbase [dict get $projectinfo closest] + + set extended_capdict $capdict + dict set extended_capdict vendor $vendor + dict set extended_capdict projectbase $projectbase } - set shellbase [file dirname [file dirname [file normalize [set ::argv0]/__]]] ;#review - set projectinfo [punk::repo::find_repos $shellbase] - set projectbase [dict get $projectinfo closest] - - set extended_capdict $capdict - dict set extended_capdict vendor $vendor - dict set extended_capdict projectbase $projectbase - } elseif {$pathtype eq "absolute"} { - if {[file pathtype $path] ne "absolute"} { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be absolute" - return 0 + absolute { + if {[file pathtype $path] ne "absolute"} { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be absolute" + return 0 + } + set normpath [file normalize $path] + if {!file exists $normpath} { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' which doesn't seem to exist" + return 0 + } + set projectinfo [punk::repo::find_repos $normpath] + set projectbase [dict get $projectinfo closest] + + #todo - verify no other provider has registered same absolute path - if sharing a project-external location is needed - they need their own subfolder + set extended_capdict $capdict + dict set extended_capdict resolved_path $normpath + dict set extended_capdict vendor $vendor + dict set extended_capdict projectbase $projectbase } - set normpath [file normalize $path] - if {!file exists $normpath} { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' which doesn't seem to exist" + default { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' with unrecognised type $pathtype" return 0 } - set projectinfo [punk::repo::find_repos $normpath] - set projectbase [dict get $projectinfo closest] - - #todo - verify no other provider has registered same absolute path - if sharing a project-external location is needed - they need their own subfolder - set extended_capdict $capdict - dict set extended_capdict resolved_path $normpath - dict set extended_capdict vendor $vendor - dict set extended_capdict projectbase $projectbase - } else { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' with unrecognised type $pathtype" - return 0 } # -- --- --- --- --- --- --- ---- --- diff --git a/src/bootsupport/modules/punk/char-0.1.0.tm b/src/bootsupport/modules/punk/char-0.1.0.tm index 7fc85017..fb1ea128 100644 --- a/src/bootsupport/modules/punk/char-0.1.0.tm +++ b/src/bootsupport/modules/punk/char-0.1.0.tm @@ -55,7 +55,9 @@ #[item] [package console] #[para] - -package require Tcl 8.6 +package require Tcl 8.6- +#dependency on tcllib not ideal for bootstrapping as punk::char is core to many features.. (textutil::wcswidth is therefore included in bootsupport/include_modules.config) review +package require textutil::wcswidth #*** !doctools #[list_end] @@ -71,6 +73,7 @@ package require Tcl 8.6 namespace eval punk::char { namespace export * + variable grapheme_widths [dict create] # -- -------------------------------------------------------------------------- variable encmimens ;#namespace of mime package providing reversemapencoding and mapencoding functions #tcllib mime requires tcl::chan::memchan,events,core and/or Trf @@ -525,7 +528,7 @@ namespace eval punk::char { # e.g encoding convertto dingbats will output something that doesn't look dingbatty on screen. #-- --- --- --- --- --- --- --- #must use Tcl instead of tcl (at least for 8.6) - if {![package vsatisfies [package present Tcl] 8.7]} { + if {![package vsatisfies [package present Tcl] 8.7-]} { proc encodable "s {enc [encoding system]}" { set encname [encname $enc] if {($encname eq "ascii")} { @@ -1259,70 +1262,71 @@ namespace eval punk::char { variable charsets set hex_char [format %04x $dec_char] set returninfo [dict create] - if {"dec" in $fields} { - dict set returninfo dec $dec_char - } - if {"hex" in $fields} { - dict set returninfo hex $hex_char - } - if {"desc" in $fields} { - if {[dict exists $charinfo $dec_char desc]} { - dict set returninfo desc [dict get $charinfo $dec_char desc] - } else { - dict set returninfo desc "" - } - } - if {"short" in $fields} { - if {[dict exists $charinfo $dec_char short]} { - dict set returninfo desc [dict get $charinfo $dec_char short] - } else { - dict set returninfo short "" - } - } - - #todo - expectedwidth - lookup the printing width it is *supposed* to have from unicode tables - - #testwidth is one of the main ones likely to be worthwhile excluding as querying the console via ansi takes time - if {"testwidth" in $fields} { - set existing_testwidth "" - if {[dict exists $charinfo $dec_char testwidth]} { - set existing_testwidth [dict get $charinfo $dec_char testwidth] - } - if {$existing_testwidth eq ""} { - #no cached data - do expensive cursor-position test (Note this might not be 100% reliable - terminals lie e.g if ansi escape sequence has set to wide printing.) - set char [format %c $dec_char] - set chwidth [char_info_testwidth $char] - - dict set returninfo testwidth $chwidth - #cache it. todo - -verify flag to force recalc in case font/terminal changed in some way? - dict set charinfo $dec_char testwidth $chwidth - } else { - dict set returninfo testwidth $existing_testwidth - } - } - if {"char" in $fields} { - set char [format %c $dec_char] - dict set returninfo char $char - } - - #memberof takes in the order of a few hundred microseconds if a simple scan of all ranges is taken - possibly worthwhile caching/optimising - #note that memberof is not just unicode blocks - but scripts and other non-contiguous sets consisting of multiple ranges - some of which may include ranges of a single character. (e.g WGL4) - #This means there probably isn't a really efficient means of calculating membership other than scanning all the defined ranges. - #We could potentially populate it using a side-thread - but it seems reasonable to just cache result after first use here. - #some efficiency could also be gained by pre-calculating the extents for each charset which isn't a simple unicode block. (and perhaps sorting by max char) - if {"memberof" in $fields} { - set memberof [list] - dict for {setname setinfo} $charsets { - foreach r [dict get $setinfo ranges] { - set s [dict get $r start] - set e [dict get $r end] - if {$dec_char >= $s && $dec_char <= $e} { - lappend memberof $setname - break + foreach f $fields { + switch -- $f { + dec { + dict set returninfo dec $dec_char + } + hex { + dict set returninfo hex $hex_char + } + desc { + if {[dict exists $charinfo $dec_char desc]} { + dict set returninfo desc [dict get $charinfo $dec_char desc] + } else { + dict set returninfo desc "" + } + } + short { + if {[dict exists $charinfo $dec_char short]} { + dict set returninfo desc [dict get $charinfo $dec_char short] + } else { + dict set returninfo short "" + } + } + testwidth { + #todo - expectedwidth - lookup the printing width it is *supposed* to have from unicode tables + #testwidth is one of the main ones likely to be worthwhile excluding as querying the console via ansi takes time + set existing_testwidth "" + if {[dict exists $charinfo $dec_char testwidth]} { + set existing_testwidth [dict get $charinfo $dec_char testwidth] + } + if {$existing_testwidth eq ""} { + #no cached data - do expensive cursor-position test (Note this might not be 100% reliable - terminals lie e.g if ansi escape sequence has set to wide printing.) + set char [format %c $dec_char] + set chwidth [char_info_testwidth $char] + + dict set returninfo testwidth $chwidth + #cache it. todo - -verify flag to force recalc in case font/terminal changed in some way? + dict set charinfo $dec_char testwidth $chwidth + } else { + dict set returninfo testwidth $existing_testwidth + } + } + char { + set char [format %c $dec_char] + dict set returninfo char $char + } + memberof { + #memberof takes in the order of a few hundred microseconds if a simple scan of all ranges is taken - possibly worthwhile caching/optimising + #note that memberof is not just unicode blocks - but scripts and other non-contiguous sets consisting of multiple ranges - some of which may include ranges of a single character. (e.g WGL4) + #This means there probably isn't a really efficient means of calculating membership other than scanning all the defined ranges. + #We could potentially populate it using a side-thread - but it seems reasonable to just cache result after first use here. + #some efficiency could also be gained by pre-calculating the extents for each charset which isn't a simple unicode block. (and perhaps sorting by max char) + set memberof [list] + dict for {setname setinfo} $charsets { + foreach r [dict get $setinfo ranges] { + set s [dict get $r start] + set e [dict get $r end] + if {$dec_char >= $s && $dec_char <= $e} { + lappend memberof $setname + break + } + } } + dict set returninfo memberof $memberof } } - dict set returninfo memberof $memberof } return $returninfo @@ -1512,31 +1516,75 @@ namespace eval punk::char { #non-overlapping unicode blocks - proc char_blocks {name_or_glob} { - error "unicode block searching unimplemented" - #todo - search only charsets that have settype = block + proc char_blocks {{name_or_glob *}} { + variable charsets + #todo - more efficient datastructures? + if {![regexp {[?*]} $name_or_glob]} { + #no glob - just retrieve it + if {[dict exists $charsets $name_or_glob]} { + if {[dict get $charsets $name_or_glob settype] eq "block"} { + return [dict create $name_or_glob [dict get $charsets $name_or_glob]] + } + } + #no exact match - try case insensitive.. + set name [lsearch -inline -nocase [dict keys $charsets] $name_or_glob] + if {$name ne ""} { + if {[dict get $charsets $name settype] eq "block"} { + return [dict create $name [dict get $charsets $name]] + } + } + + } else { + #build a subset + set charsets_block [dict create] + dict for {k v} $charsets { + if {[string match -nocase $name_or_glob $k]} { + if {[dict get $v settype] eq "block"} { + dict set charsets_block $k $v + } + } + } + return $charsets_block + } + } + proc charset_names {{name_or_glob *}} { + variable charsets + if {![regexp {[?*]} $name_or_glob]} { + #no glob - just retrieve it + if {[dict exists $charsets $name_or_glob]} { + return [list $name_or_glob] + } + #no exact match - try case insensitive.. + set name [lsearch -inline -nocase [dict keys $charsets] $name_or_glob] + if {$name ne ""} { + return [list $name] + } + } else { + if {$name_or_glob eq "*"} { + return [lsort [dict keys $charsets]] + } + return [lsort [lsearch -all -inline -nocase [dict keys $charsets] $name_or_glob]] + } } + #deprecated #major named sets such as unicode blocks, scripts, and other sets such as microsoft WGL4 - #case insensitive search - possibly with globs - proc charset_names {{namesearch *}} { + #case insensitive search - possibly with *basic* globs (? and * only - not lb rb) + proc charset_names2 {{namesearch *}} { variable charsets - set sortedkeys [lsort -increasing -dictionary [dict keys $charsets]] ;#NOTE must use -dictionary to use -sorted flag below + #dictionary sorting of the keys is slow! - we should obviously store it in sorted order instead of sorting entire list on retrieval - or just sort results + #set sortedkeys [lsort -increasing -dictionary [dict keys $charsets]] ;#NOTE must use -dictionary to use -sorted flag below + set sortedkeys [lsort -increasing [dict keys $charsets]] if {$namesearch eq "*"} { return $sortedkeys } if {[regexp {[?*]} $namesearch]} { #name glob search - set matched_names [lsearch -all -inline -nocase $sortedkeys $namesearch] ;#no point using -sorted flag when -all is used + return [lsearch -all -inline -nocase $sortedkeys $namesearch] ;#no point using -sorted flag when -all is used } else { - set matched [lsearch -sorted -inline -nocase $sortedkeys $namesearch] ;#no globs - stop on first match - if {[llength $matched]} { - return [list $matched] - } else { - return [list] - } + #return [lsearch -sorted -inline -nocase $sortedkeys $namesearch] ;#no globs - bails out earlier if -sorted? + return [lsearch -inline -nocase $sortedkeys $namesearch] ;#no globs } - return $matched_names } proc charsets {{namesearch *}} { package require textblock @@ -1585,7 +1633,7 @@ namespace eval punk::char { } set dict_list [list] foreach m $matches { - lappend dict_list [dict create $m [charset_dictget $name]] + lappend dict_list [dict create $m [charset_dictget $m]] } #return $dict_list return [join $dict_list \n] @@ -1651,7 +1699,8 @@ namespace eval punk::char { set twidth [dict get $charinfo $dec testwidth] } if {$twidth eq ""} { - set width [string_width $ch] ;#based on unicode props + #set width [ansifreestring_width $ch] ;#based on unicode props + set width [grapheme_width_cached $ch] } else { set width $twidth } @@ -1780,7 +1829,7 @@ namespace eval punk::char { } if {$twidth eq ""} { #puts -nonewline stdout "." ;#this - set width [char_info_testwidth $ch] ;#based on unicode props + set width [char_info_testwidth $ch] ;#based on console test rather than unicode props dict set charinfo $dec testwidth $width } else { set width $twidth @@ -1792,32 +1841,164 @@ namespace eval punk::char { puts stdout "\ncalibration done - results cached in charinfo dictionary" return [dict create charcount $charcount widths $width_results] } - #prerequisites - no ansi escapes - no newlines - #review - what about \r \t \b ? - proc string_width {text} { - #review is detecting \033 enough? what about 8-bit escapes? + #maint warning - also in overtype! + #intended for single grapheme - but will work for multiple + #cannot contain ansi or newlines + #(a cache of ansifreestring_width calls - as these are quite regex heavy) + proc grapheme_width_cached {ch} { + variable grapheme_widths + if {[dict exists $grapheme_widths $ch]} { + return [dict get $grapheme_widths $ch] + } + set width [punk::char::ansifreestring_width $ch] ;#review - can we provide faster version if we know it's a single grapheme rather than a string? (grapheme is still a string as it may have combiners/diacritics) + dict set grapheme_widths $ch $width + return $width + } + #no char_width - use grapheme_width terminology to be clearer + proc grapheme_width {char} { + error "grapheme_width unimplemented - use ansifreestring_width" + } + + #return N Na W etc from unicode data + #review + proc char_uc_width_prop {char} { + error "char_uc_width unimplemented try textutil::wcswidth_type" + } + #todo - provide a grapheme_width function that is optimised for speed + proc string_width {text} { + #burn approx 2uS (2024) checking for ansi codes - not just SGR + if {[punk::ansi::ta::detect $text]} { + puts stderr "string_width detected ANSI!" + } if {[string first \n $text] >= 0} { error "string_width accepts only a single line" } + tailcall ansifreestring_width $text + } + #faster than textutil::wcswidth (at least for string up to a few K in length) + proc wcswidth {string} { + set codes [scan $string [string repeat %c [string length $string]]] + set width 0 + foreach c $codes { + set w [textutil::wcswidth_char $c] + if {$w < 0} { + return -1 + } else { + incr width $w + } + } + return $width + } + proc wcswidth2 {string} { + set codes [scan $string [string repeat %c [string length $string]]] + set widths [lmap c $codes {textutil::wcswidth_char $c}] + if {-1 in $widths} { + return -1 + } + return [tcl::mathop::+ {*}$widths] + } + #prerequisites - no ansi escapes - no newlines + #review - what about \r \t \b ? + #NO processing of \b - already handled in ansi::printing_length which then calls this + #this version breaks string into sequences of ascii vs unicode + proc ansifreestring_width {text} { + #caller responsible for calling ansistrip first if text may have ansi codes - and for ensuring no newlines #we can c0 control characters after or while processing ansi escapes. #we need to map remaining control characters to zero-width (under assumption we're not using a font/codepage that displays them - review!) #anyway - we must allow things like raw ESC,DEL, NUL etc to pass through without error #if {[string first \033 $text] >= 0} { # error "string_width doesn't accept ansi escape sequences. Use punk::ansi::stripansi first" #} + + + #todo - various combining diacritical marks.. from grave - to various complicated unicode joiners and composing chars etc + #as at 2023 - terminals generally seem to use the simplistic approach of tallying up individual character-widths, which means combinations that print short are reported too long by the terminal esc 6 n sequence. + + + #- {Combining Diacritical Marks} {ranges {{start 768 end 879 note {unicode block 0300..036F}}} description {} settype block} + #- {Combining Diacritical Marks Extended} {ranges {{start 6832 end 6911 note {unicode block 1AB0..1AFF}}} description {} settype block} + #- {Combining Diacritical Marks Supplement} {ranges {{start 7616 end 7679 note {unicode block 1DC0..1DFF}}} description {} settype block} + #- {Combining Diacritical Marks for Symbols} {ranges {{start 8400 end 8447 note {unicode block 20D0..20FF}}} description {} settype block} + #- {Combining Half Marks} {ranges {{start 65056 end 65071 note {unicode block FE20..FE2F}}} description {} settype block} + # + # initial simplistic approach is just to strip these ... todo REVIEW + + #experiment to detect leading diacritics - but this isn't necessary - it's still zero-width - and if the user is splitting properly we shouldn't be getting a string with leading diacritics anyway + #(leading combiners may display in terminal as mark on rightmost prompt char which is usually a space - but won't add width even then) + #set re_leading_diacritic {^(?:[\u0300-\u036f]+|[\u1ab0-\u1aff]+|[\u1dc0-\u1dff]+|[\u20d0-\u20ff]+|[\ufe20-\ufe2f]+)} + #if {[regexp $re_leading_diacritic $text]} { + # set text " $text" + #} + set re_diacritics {[\u0300-\u036f]+|[\u1ab0-\u1aff]+|[\u1dc0-\u1dff]+|[\u20d0-\u20ff]+|[\ufe20-\ufe2f]+} + set text [regsub -all $re_diacritics $text ""] + + #review + #if we strip out ZWJ \u0200d (zero width combiner) - then we don't give the chance for a grapheme combining test to merge properly e.g combining emojis + #as at 2024 - textutil::wcswidth doesn't seem to be aware of these - and counts the joiner as one wide + + #ZWNJ \u0200c should also be zero length - but as a 'non' joiner - it should add zero to the length + + #ZWSP \u0200b zero width space + + + #we should only map control sequences to nothing after processing ones with length effects, such as \b (\x07f) or DEL \x1f + #todo - document that these shouldn't be present in input rather than explicitly checking here set re_ascii_c0 {[\U0000-\U001F]} set text [regsub -all $re_ascii_c0 $text ""] - #todo - check double-width chars in unicode blocks.. try to do reasonably quicky #short-circuit basic cases - if {![regexp {[\uFF-\U10FFFF]} $text]} { - #control chars? + #support tcl pre 2023-11 - see regexp bug below + #if {![regexp {[\uFF-\U10FFFF]} $text]} { + # return [string length $text] + #} + if {![regexp "\[\uFF-\U10FFFF\]" $text]} { return [string length $text] } + #split just to get the standalone character widths - and then scan for other combiners (?) - or scan for clusters first? + + #review + #set can_regex_high_unicode [string match [regexp -all -inline {[\U80-\U0010FFFF]} \U0001F525] \U0001F525] + #tcl pre 2023-11 - braced high unicode regexes don't work + #fixed in bug-4ed788c618 2023-11 + #set uc_chars [regexp -all -inline "\[\u0100-\U10FFFF\]" $text] ;#e.g return list of chars in range only + + #maintain unicode as sequences - todo - scan for grapheme clusters + #set uc_sequences [punk::ansi::ta::_perlish_split "(?:\[\u0100-\U10FFFF\])+" $text] + set uc_sequences [punk::ansi::ta::_perlish_split "(?:\[\u0000-\u00FF\])+" $text] + set len 0 + foreach {uc ascii} $uc_sequences { + #puts "-ascii $ascii" + #puts "-uc $uc" + incr len [string length $ascii] + #textutil::wcswidth uses unicode data + #fall back to textutil::wcswidth (which doesn't for example handle diactricts/combiners so we can't use until these and other things such as \u200b and diacritics are already stripped/accounted for) + #todo - find something that understands grapheme clusters - needed also for grapheme_split + #use punk::char::wcswidth - faster than the string split in textutil::wcswidth but still uses textutil::wcswidth_char + incr len [wcswidth $uc] + } + #todo - work out what to do with anomalies like grave combiner which print at different lengths on different terminals (fonts?) and for which cursor-query escape sequence lies. + return $len + } + + #kept as a fallback for review/test if textutil::wcswidth doesn't do what we require on all terminals. + #this version looks at console testwidths if they've been cached. + #It is relatively fast - but tests unicode widths char by char - so won't be useful going forward for grapheme clusters. + proc ansifreestring_width2 {text} { + #caller responsible for calling ansistrip first if text may have ansi codes - and for ensuring no newlines + + + + #we can c0 control characters after or while processing ansi escapes. + #we need to map remaining control characters to zero-width (under assumption we're not using a font/codepage that displays them - review!) + #anyway - we must allow things like raw ESC,DEL, NUL etc to pass through without error + #if {[string first \033 $text] >= 0} { + # error "string_width doesn't accept ansi escape sequences. Use punk::ansi::stripansi first" + #} + #todo - various combining diacritical marks.. from grave - to various complicated unicode joiners and composing chars etc #as at 2023 - terminals generally seem to use the simplistic approach of tallying up individual character-widths, which means combinations that print short are reported too long by the terminal esc 6 n sequence. @@ -1831,7 +2012,7 @@ namespace eval punk::char { # # initial simplistic approach is just to strip these ... todo REVIEW - #experiment to detect leading diacritics - but this isn't necessary - it's still zero-width + #experiment to detect leading diacritics - but this isn't necessary - it's still zero-width - and if the user is splitting properly we shouldn't be getting a string with leading diacritics anyway #(leading combiners may display in terminal as mark on rightmost prompt char which is usually a space - but won't add width even then) #set re_leading_diacritic {^(?:[\u0300-\u036f]+|[\u1ab0-\u1aff]+|[\u1dc0-\u1dff]+|[\u20d0-\u20ff]+|[\ufe20-\ufe2f]+)} #if {[regexp $re_leading_diacritic $text]} { @@ -1840,7 +2021,30 @@ namespace eval punk::char { set re_diacritics {[\u0300-\u036f]+|[\u1ab0-\u1aff]+|[\u1dc0-\u1dff]+|[\u20d0-\u20ff]+|[\ufe20-\ufe2f]+} set text [regsub -all $re_diacritics $text ""] + #review + #if we strip out ZWJ \u0200d (zero width combiner) - then we don't give the chance for a grapheme combining test to merge properly e.g combining emojis + #as at 2024 - textutil::wcswidth doesn't seem to be aware of these - and counts the joiner as one wide + + #ZWNJ \u0200c should also be zero length - but as a 'non' joiner - it should add zero to the length + #ZWSP \u0200b zero width space + + + #we should only map control sequences to nothing after processing ones with length effects, such as \b (\x07f) or DEL \x1f + #todo - document that these shouldn't be present in input rather than explicitly checking here + set re_ascii_c0 {[\U0000-\U001F]} + set text [regsub -all $re_ascii_c0 $text ""] + + #short-circuit basic cases + #support tcl pre 2023-11 - see regexp bug below + #if {![regexp {[\uFF-\U10FFFF]} $text]} { + # return [string length $text] + #} + if {![regexp "\[\uFF-\U10FFFF\]" $text]} { + return [string length $text] + } + + #review - wcswidth should detect these set re_ascii_fullwidth {[\uFF01-\uFF5e]} set doublewidth_char_count 0 @@ -1851,20 +2055,34 @@ namespace eval punk::char { #tcl pre 2023-11 - braced high unicode regexes don't work #fixed in bug-4ed788c618 2023-11 #set uc_sequences [regexp -all -inline -indices {[\u0100-\U10FFFF]} $text] - set uc_sequences [regexp -all -inline -indices "\[\u0100-\U10FFFF\]" $text] - foreach uc_range $uc_sequences { - set chars [string range $text {*}$uc_range] - foreach c $chars { - if {[regexp $re_ascii_fullwidth $c]} { - incr doublewidth_char_count - } else { - #todo - replace with function that doesn't use console - just unicode data + #set uc_sequences [regexp -all -inline -indices "\[\u0100-\U10FFFF\]" $text] ;#e.g for string: \U0001f9d1abc\U001f525ab returns {0 0} {4 4} + set uc_chars [regexp -all -inline "\[\u0100-\U10FFFF\]" $text] ;#e.g return list of chars in range only + foreach c $uc_chars { + if {[regexp $re_ascii_fullwidth $c]} { + incr doublewidth_char_count + } else { + #review + # a)- terminals lie - so we could have a bad cached testwidth + # b)- textutil::wcswidth_char seems to be east-asian-width based - and not a reliable indicator of 'character cells taken by the character when printed to the terminal' despite this statement in tclllib docs. + #(character width is a complex context-dependent topic) + # c) by checking for a cached console testwidth first - we make this function less deterministic/repeatable depending on whether console tests have been run. + # d) Upstream caching of grapheme_width may also lock in a result from whatever method was first employed here + #Despite all this - the mechanism is hoped to give best effort consistency for terminals + #further work needed for combining emojis etc - which can't be done in a per character loop + #todo - see if wcswidth does any of this. It is very slow for strings that include mixed ascii/unicode - so perhaps we can use a perlish_split + # to process sequences of unicode. + #- and the user has the option to test character sets first if terminal position reporting gives better results + if {[char_info_is_testwidth_cached $c]} { set width [char_info_testwidth_cached $c] - if {$width == 0} { - incr zerowidth_char_count - } elseif {$width == 2} { - incr doublewidth_char_count - } + } else { + #textutil::wcswidth uses unicode data + #fall back to textutil::wcswidth (which doesn't for example handle diactricts/combiners so we can't use until these and other things such as \u200b and diacritics are already stripped/accounted for) + set width [textutil::wcswidth_char [scan $c %c]] + } + if {$width == 0} { + incr zerowidth_char_count + } elseif {$width == 2} { + incr doublewidth_char_count } } } @@ -1872,6 +2090,58 @@ namespace eval punk::char { return [expr {[string length $text] + $doublewidth_char_count - $zerowidth_char_count}] } + #slow - textutil::wcswidth is slow with mixed ascii uc + proc ansifreestring_width3 {text} { + #caller responsible for calling ansistrip first if text may have ansi codes - and for ensuring no newlines + + + + #we can c0 control characters after or while processing ansi escapes. + #we need to map remaining control characters to zero-width (under assumption we're not using a font/codepage that displays them - review!) + #anyway - we must allow things like raw ESC,DEL, NUL etc to pass through without error + #if {[string first \033 $text] >= 0} { + # error "string_width doesn't accept ansi escape sequences. Use punk::ansi::stripansi first" + #} + + + #review - work out what to do with anomalies like grave combiner which print at different lengths on different terminals (fonts?) and for which cursor-query escape sequence lies. + # - various combining diacritical marks.. from grave - to various complicated unicode joiners and composing chars etc + #as at 2023 - terminals generally seem to use the simplistic approach of tallying up individual character-widths, which means combinations that print short are reported too long by the terminal esc 6 n sequence. + + #- {Combining Diacritical Marks} {ranges {{start 768 end 879 note {unicode block 0300..036F}}} description {} settype block} + #- {Combining Diacritical Marks Extended} {ranges {{start 6832 end 6911 note {unicode block 1AB0..1AFF}}} description {} settype block} + #- {Combining Diacritical Marks Supplement} {ranges {{start 7616 end 7679 note {unicode block 1DC0..1DFF}}} description {} settype block} + #- {Combining Diacritical Marks for Symbols} {ranges {{start 8400 end 8447 note {unicode block 20D0..20FF}}} description {} settype block} + #- {Combining Half Marks} {ranges {{start 65056 end 65071 note {unicode block FE20..FE2F}}} description {} settype block} + # + # initial simplistic approach is just to strip these ... todo REVIEW + + #experiment to detect leading diacritics - but this isn't necessary - it's still zero-width - and if the user is splitting properly we shouldn't be getting a string with leading diacritics anyway + #(leading combiners may display in terminal as mark on rightmost prompt char which is usually a space - but won't add width even then) + #set re_leading_diacritic {^(?:[\u0300-\u036f]+|[\u1ab0-\u1aff]+|[\u1dc0-\u1dff]+|[\u20d0-\u20ff]+|[\ufe20-\ufe2f]+)} + #if {[regexp $re_leading_diacritic $text]} { + # set text " $text" + #} + set re_diacritics {[\u0300-\u036f]+|[\u1ab0-\u1aff]+|[\u1dc0-\u1dff]+|[\u20d0-\u20ff]+|[\ufe20-\ufe2f]+} + set text [regsub -all $re_diacritics $text ""] + + #we should only map control sequences to nothing after processing ones with length effects, such as \b (\x07f) or DEL \x1f + #todo - document that these shouldn't be present in input rather than explicitly checking here + set re_ascii_c0 {[\U0000-\U001F]} + set text [regsub -all $re_ascii_c0 $text ""] + + #short-circuit basic cases + #support tcl pre 2023-11 - see regexp bug below + #if {![regexp {[\uFF-\U10FFFF]} $text]} { + # return [string length $text] + #} + if {![regexp "\[\uFF-\U10FFFF\]" $text]} { + return [string length $text] + } + + #slow when ascii mixed with unicode (but why?) + return [punk::wcswidth $text] + } #This shouldn't be called on text containing ansi codes! proc strip_nonprinting_ascii {str} { #review - some single-byte 'control' chars have visual representations e.g ETX as heart depending on font/codepage @@ -1885,22 +2155,14 @@ namespace eval punk::char { return [string map $map $str] } - proc char_width {char} { - error "char_width unimplemented" - } - #return N Na W etc from unicode data - proc char_uc_width_prop {char} { - error "char_uc_width unimplemented" - } - #split into plaintext and runs of combiners + #split into plaintext and runs of combiners (combining diacritical marks - not ZWJ or ZWJNJ) proc combiner_split {text} { #split into odd numbered list (or zero) in a similar way to punk::ansi::ta::_perlish_split # - set re_diacritics {[\u0300-\u036f]+|[\u1ab0-\u1aff]+|[\u1dc0-\u1dff]+|[\u20d0-\u20ff]+|[\ufe20-\ufe2f]+} + #set re_diacritics {[\u0300-\u036f]+|[\u1ab0-\u1aff]+|[\u1dc0-\u1dff]+|[\u20d0-\u20ff]+|[\ufe20-\ufe2f]+} set graphemes [list] - set g "" if {[string length $text] == 0} { return {} } @@ -1909,7 +2171,7 @@ namespace eval punk::char { set strlen [string length $text] #make sure our regexes aren't non-greedy - or we may not have exit condition for loop #review - while {$start < $strlen && [regexp -start $start -indices -- $re_diacritics $text match]} { + while {$start < $strlen && [regexp -start $start -indices -- {[\u0300-\u036f]+|[\u1ab0-\u1aff]+|[\u1dc0-\u1dff]+|[\u20d0-\u20ff]+|[\ufe20-\ufe2f]+} $text match]} { lassign $match matchStart matchEnd #puts "->start $start ->match $matchStart $matchEnd" lappend list [string range $text $start $matchStart-1] [string range $text $matchStart $matchEnd] @@ -1920,13 +2182,19 @@ namespace eval punk::char { #} } lappend list [string range $text $start end] - - return $list } + #ZWJ ZWNJ ? + #1st shot - basic diacritics #todo - become aware of unicode grapheme cluster boundaries - # + #This is difficult in Tcl without unicode property based Character Classes in the regex engine + #review - this needs to be performant - it is used a lot by punk terminal/ansi features + #todo - trie data structures for unicode? + #for now we can at least combine diacritics + #should also handle the ZWJ (and the variation selectors? eg \uFE0F) character which should account for emoji clusters + #Note - emoji cluster could be for example 11 code points/41 bytes (family emoji with skin tone modifiers for each member, 3 ZWJs) + #This still leaves a whole class of clusters.. korean etc unhandled :/ proc grapheme_split {text} { set graphemes [list] set csplits [combiner_split $text] @@ -1941,9 +2209,51 @@ namespace eval punk::char { } return $graphemes } + proc grapheme_split_dec {text} { + set graphemes [list] + set csplits [combiner_split $text] + foreach {pt combiners} [lrange $csplits 0 end-1] { + set pt_decs [scan $pt [string repeat %c [string length $pt]]] + set combiner_decs [scan $combiners [string repeat %c [string length $combiners]]] + lset pt_decs end [concat [lindex $pt_decs end] $combiner_decs] + lappend graphemes {*}$pt_decs + } + #last csplit never has a combiner (_perlish_split style) - and may be empty - in which case we don't append it as a grapheme + if {[lindex $csplits end] ne ""} { + lappend graphemes {*}[scan [lindex $csplits end] [string repeat %c [string length [lindex $csplits end]]]] + } + return $graphemes + } + proc grapheme_split_dec2 {text} { + set graphemes [list] + set csplits [combiner_split $text] + foreach {pt combiners} $csplits { + set pt_decs [scan $pt [string repeat %c [string length $pt]]] + if {$combiners ne ""} { + set combiner_decs [scan $combiners [string repeat %c [string length $combiners]]] + lset pt_decs end [concat [lindex $pt_decs end] $combiner_decs] + } + lappend graphemes {*}$pt_decs + } + return $graphemes + } + proc grapheme_split2 {text} { + set graphemes [list] + set csplits [combiner_split $text] + foreach {pt combiners} [lrange $csplits 0 end-1] { + set clist [split $pt ""] + lappend graphemes {*}[lrange $clist 0 end-1] [string cat [lindex $clist end] $combiners] + } + #last csplit never has a combiner (_perlish_split style) - and may be empty - in which case we don't append it as a grapheme + if {[lindex $csplits end] ne ""} { + lappend graphemes {*}[split [lindex $csplits end] ""] + } + return $graphemes + } # -- --- --- --- --- #will accept a single char or a string - test using console cursor position reporting + #unreliable proc char_info_testwidth {ch {emit 0}} { package require punk::console #uses cursor movement and relies on console to report position.. which it may do properly for single chars - but may misreport for combinations that combine into a single glyph @@ -1964,6 +2274,10 @@ namespace eval punk::char { return $twidth } } + proc char_info_is_testwidth_cached {char} { + variable charinfo + return [dict exists $charinfo [scan $char %c] testwidth] + } # -- --- --- --- --- diff --git a/src/bootsupport/modules/punk/console-0.1.1.tm b/src/bootsupport/modules/punk/console-0.1.1.tm index 358bc5d3..25aa4e87 100644 --- a/src/bootsupport/modules/punk/console-0.1.1.tm +++ b/src/bootsupport/modules/punk/console-0.1.1.tm @@ -34,8 +34,20 @@ namespace eval punk::console { variable previous_stty_state_stdin "" variable previous_stty_state_stdout "" variable previous_stty_state_stderr "" - variable is_raw 0 + variable input_chunks_waiting + if {![info exists input_chunks_waiting(stdin)]} { + set input_chunks_waiting(stdin) [list] + } + + # -- + variable ansi_available -1 ;#default -1 for unknown. Leave it this way so test for ansi support is run. + #-1 still evaluates to true - as the modern assumption for ansi availability is true + #only false if ansi_available has been set 0 by test_can_ansi + #support stripansi for legacy windows terminals + # -- + + variable ansi_wanted 2 ;#2 for default assumed yes, will be set to -1 for automatically unwanted when ansi unavailable values of 0 or 1 won't be autoset #punk::console namespace - contains *directly* acting functions - some based on ansi escapes from the 'ansi' sub namespace, some on local system calls or executable calls wrapped in the 'local' sub namespace #directly acting means they write to stdout to cause the console to peform the action, or they perform the action immediately via other means. @@ -55,41 +67,61 @@ namespace eval punk::console { } if {"windows" eq $::tcl_platform(platform)} { - proc enableAnsi {} { + #accept args for all dummy/load functions so we don't have to match/update argument signatures here + + proc enableAnsi {args} { #loopavoidancetoken (don't remove) internal::define_windows_procs internal::abort_if_loop - tailcall enableAnsi + tailcall enableAnsi {*}$args } #review what raw mode means with regard to a specific channel vs terminal as a whole - proc enableRaw {{channel stdin}} { + proc enableRaw {args} { #loopavoidancetoken (don't remove) internal::define_windows_procs internal::abort_if_loop - tailcall enableRaw $channel + tailcall enableRaw {*}$args } - proc disableRaw {{channel stdin}} { + proc disableRaw {args} { #loopavoidancetoken (don't remove) internal::define_windows_procs internal::abort_if_loop - tailcall disableRaw $channel + tailcall disableRaw {*}$args } - proc enableVirtualTerminal {} { + proc enableVirtualTerminal {args} { #loopavoidancetoken (don't remove) internal::define_windows_procs internal::abort_if_loop - tailcall enableVirtualTerminal + tailcall enableVirtualTerminal {*}$args } - proc disableVirtualTerminal {} { + proc disableVirtualTerminal {args} { #loopavoidancetoken (don't remove) internal::define_windows_procs internal::abort_if_loop - tailcall disableVirtualTerminal + tailcall disableVirtualTerminal {*}$args + } + set funcs [list disableAnsi enableProcessedInput disableProcessedInput] + foreach f $funcs { + proc $f {args} [string map [list %f% $f] { + set mybody [info body %f%] + internal::define_windows_procs + set newbody [info body %f%] + if {$newbody ne $mybody} { + tailcall %f% {*}$args + } else { + #error vs noop? + puts stderr "Unable to set implementation for %f% - check twapi?" + } + }] } + } else { proc enableAnsi {} { #todo? } + proc disableAnsi {} { + + } #todo - something better - the 'channel' concept may not really apply on unix, as raw mode is for input and output modes proc enableRaw {{channel stdin}} { @@ -118,14 +150,15 @@ namespace eval punk::console { set is_raw 0 return done } - proc enableVirtualTerminal {} { + proc enableVirtualTerminal {{channels {input output}}} { } - proc disableVirtualTerminal {} { + proc disableVirtualTerminal {args} { } } + #review - document and decide granularity required. should we enable/disable more than one at once? proc enable_mouse {} { puts -nonewline stdout \x1b\[?1000h puts -nonewline stdout \x1b\[?1003h @@ -157,6 +190,7 @@ namespace eval punk::console { } proc mode {{raw_or_line query}} { variable is_raw + variable ansi_available set raw_or_line [string tolower $raw_or_line] if {$raw_or_line eq "query"} { if {$is_raw} { @@ -166,14 +200,18 @@ namespace eval punk::console { } } elseif {$raw_or_line eq "raw"} { punk::console::enableRaw - punk::console::enableVirtualTerminal both + if {[can_ansi]} { + punk::console::enableVirtualTerminal both + } } elseif {$raw_or_line eq "line"} { #review -order. disableRaw has memory from enableRaw.. but but for line mode we want vt disabled - so call it after disableRaw (?) punk::console::disableRaw - punk::console::disableVirtualTerminal input ;#default readline arrow behaviour etc - punk::console::enableVirtualTerminal output ;#display/use ansi codes + if {[can_ansi]} { + punk::console::disableVirtualTerminal input ;#default readline arrow behaviour etc + punk::console::enableVirtualTerminal output ;#display/use ansi codes + } } else { - error "punk::console::mode expected 'raw' or 'line' or default value 'query' + error "punk::console::mode expected 'raw' or 'line' or default value 'query'" } } @@ -211,6 +249,7 @@ namespace eval punk::console { #enableAnsi seems like it should be directly under punk::console .. but then it seems inconsistent if other local console-mode setting functions aren't. #Find a compromise to organise things somewhat sensibly.. + #this is really enableAnsi *processing* proc [namespace parent]::enableAnsi {} { #output handle modes #Enable virtual terminal processing (sometimes off in older windows terminals) @@ -220,12 +259,13 @@ namespace eval punk::console { #DISABLE_NEWLINE_AUTO_RETURN = 0x0008 set h_out [twapi::get_console_handle stdout] set oldmode_out [twapi::GetConsoleMode $h_out] - set newmode_out [expr {$oldmode_out | 5}] ;#5? + set newmode_out [expr {$oldmode_out | 4}] ;#don't enable processed output too, even though it's required. keep symmetrical with disableAnsi? twapi::SetConsoleMode $h_out $newmode_out + #what does window_input have to do with it?? #input handle modes - #ENABLE_PROCESSED_INPUT 0x0001 + #ENABLE_PROCESSED_INPUT 0x0001 ;#set to zero will allow ctrl-c to be reported as keyboard input rather than as a signal #ENABLE_LINE_INPUT 0x0002 #ENABLE_ECHO_INPUT 0x0004 #ENABLE_WINDOW_INPUT 0x0008 (default off when a terminal created) @@ -245,10 +285,10 @@ namespace eval punk::console { proc [namespace parent]::disableAnsi {} { set h_out [twapi::get_console_handle stdout] set oldmode_out [twapi::GetConsoleMode $h_out] - set newmode_out [expr {$oldmode_out & ~5}] + set newmode_out [expr {$oldmode_out & ~4}] twapi::SetConsoleMode $h_out $newmode_out - + #??? review set h_in [twapi::get_console_handle stdin] set oldmode_in [twapi::GetConsoleMode $h_in] set newmode_in [expr {$oldmode_in & ~8}] @@ -372,6 +412,12 @@ namespace eval punk::console { } proc [namespace parent]::disableVirtualTerminal {{channels {input output}}} { } + proc [namespace parent]::enableProcessedInput {args} { + + } + proc [namespace parent]::disableProcessedInput {args} { + + } } @@ -442,39 +488,200 @@ namespace eval punk::console { } - #review - 1 byte at a time seems inefficient... but we don't have a way to peek or put back chars (?) - #todo - timeout - what if terminal doesn't put data on stdin? - #review - what if we slurp in data meant for main loop? Main loop probably needs to detect these responses and store them for lookup *instead* of this handler + #capturingendregex should capture ANY prefix, whole escape match - and a subcapture of the data we're interested in and match at end of string. + #ie {(.*)(ESC(info)end)$} + #e.g {(.*)(\x1bP44!~([:alnum:])\x1b\\)$} + #we expect 4 results from regexp -indices -inline (overallmatch, prefix, wholeescape,info) + #todo - check capturingendregex value supplied has appropriate captures and tail-anchor + proc get_ansi_response_payload {query capturingendregex {inoutchannels {stdin stdout}}} { + lassign $inoutchannels input output + + #chunks from input that need to be handled by readers + upvar ::punk::console::input_chunks_waiting input_chunks_waiting + + #we need to cooperate with other stdin/$input readers and put data here if we overconsume. + #Main repl reader may be currently active - or may be inactive. + #This call could come from within code called by the main reader - or from user code running while main read-loop is temporarily disabled + #In other contexts there may not even be another input reader + + #REVIEW - what if there is existing data in input_chunks_waiting - is it for us? + #temp - let's keep alert to it until we decide if it's legit/required.. + if {[info exists input_chunks_waiting($input)] && [llength $input_chunks_waiting($input)]} { + #puts stderr "[punk::ansi::a+ cyan bold]get_ansi_response_payload called while input_chunks_waiting($input) contained data: $input_chunks_waiting($input)[punk::ansi::a]" + } + if {!$::punk::console::ansi_available} { + return "" + } + set callid [info cmdcount] ;#info cmdcount is almost as fast as clock clicks - and whilst not unique in a long-running app(will wrap?) - fine for this context + # + + upvar ::punk::console::ansi_response_chunk accumulator + upvar ::punk::console::ansi_response_wait waitvar + set accumulator($callid) "" + set waitvar($callid) "" + + + + #todo - use a linked array and an accumulatorid and waitvar id? When can there be more than one terminal query in-flight? + + set existing_handler [fileevent $input readable] ;#review! + fileevent $input readable {} + + set input_state [fconfigure $input] + + + #todo - test and save rawstate so we don't disableRaw if console was already raw + if {!$::punk::console::is_raw} { + set was_raw 0 + punk::console::enableRaw + } else { + set was_raw 1 + } + fconfigure $input -blocking 0 + # + set this_handler ::punk::console::internal::ansi_response_handler_regex + if {[lindex $existing_handler 0] eq $this_handler} { + puts stderr "[punk::ansi::a+ red]Warning get_ansi_response_payload called while existing ansi response handler in place[a]: $this_handler" + } + #in handler - its used for a boolean match (capturing aspect not used) + fileevent $input readable [list $this_handler $input $callid $capturingendregex] + + # - stderr vs stdout + #It has to be same channel as used by functions such as test_char_width or erroneous results returned for those functions + #(presumably race conditions as to when data hits console?) + #review - experiment changing this and calling functions to stderr and see if it works + #review - Are there disadvantages to using stdout vs stderr? + + #puts stdout "sending console request [ansistring VIEW $query]" + puts -nonewline $output $query;flush $output + + + #response from terminal + #e.g for cursor position \033\[46;1R + + #todo - make timeout configurable? + set waitvarname "::punk::console::ansi_response_wait($callid)" + set cancel_timeout_id [after 500 [list set $waitvarname timedout]] + + if {[set waitvar($callid)] eq ""} { + vwait ::punk::console::ansi_response_wait($callid) + } + #response handler automatically removes it's own fileevent + fileevent $input readable {} ;#explicit remove anyway - review + + if {$waitvar($callid) ne "timedout"} { + after cancel $cancel_timeout_id + } else { + puts stderr "timeout in get_ansi_response_payload" + } + + if {$was_raw == 0} { + punk::console::disableRaw + } + #restore $input state + fconfigure $input -blocking [dict get $input_state -blocking] + + + + set response [set accumulator($callid)] + + if {$response ne ""} { + set got_match [regexp -indices $capturingendregex $response _match_indices prefix_indices response_indices payload_indices] + if {$got_match} { + set responsedata [string range $response {*}$response_indices] + set payload [string range $response {*}$payload_indices] + set prefixdata [string range $response {*}$prefix_indices] + if {$prefixdata ne ""} { + #puts stderr "Warning - get_ansi_response_payload read extra data at start - '[ansistring VIEW -lf 1 $prefixdata]' (response=[ansistring VIEW -lf 1 $responsedata])" + lappend input_chunks_waiting($input) $prefixdata + } + } else { + #timedout - or eof? + puts stderr "get_ansi_response_payload regex match '$capturingendregex' to data '[ansistring VIEW $response]' not found" + lappend input_chunks_waiting($input) $response + set payload "" + } + } else { + #timedout or eof? and nothing read + set payload "" + } + + #is there a way to know if existing_handler is input_chunks_waiting aware? + if {[string length $existing_handler] && [lindex $existing_handler 0] ne $this_handler} { + #puts "get_ansi_response_paylaod reinstalling ------>$existing_handler<------" + fileevent $input readable $existing_handler + #we may have consumed all pending input on $input - so there may be no trigger for the readable fileevent + if {[llength $input_chunks_waiting($input)]} { + #This is experimental If a handler is aware of input_chunks_waiting - there should be no need to schedule a trigger + #If it isn't, but the handler can accept an existing chunk of data as an argument - we could trigger and pass it the waiting chunks - but there's no way to know its API. + #we could look at info args - but that's not likely to tell us much in a robust way. + #we could create a reflected channel for stdin? That is potentially an overreach..? + #triggering it manually... as it was already listening - this should generally do no harm as it was the active reader anyway, but won't help with the missing data if it's input_chunks_waiting-unaware. + puts stderr "[punk::ansi::a+ yellow bold]-->punk::console::get_ansi_response_payload triggering existing handler while over-read data is in punk::console::input_chunks_waiting($input) instead of channel [ansistring VIEW $input_chunks_waiting($input)][punk::ansi::a]" + after idle [list after 0 $existing_handler] + } + #Note - we still may be in_repl_handler here (which disables its own reader while executing commandlines) + #The input_chunks_waiting may really belong to the existing_handler we found - but if it doesn't consume them they will end up being read by the repl_handler when it eventually re-enables. + #todo - some better structure than just a list of waiting chunks indexed by input channel, so repl/other handlers can determine the context in which these waiting chunks were generated? + } elseif {[llength $::repl::in_repl_handler]} { + if {[llength $input_chunks_waiting($input)]} { + #don't trigger the repl handler manually - we will inevitably get things out of order - as it knows when to enable/disable itself based on whether chunks are waiting. + #triggering it by putting it on the eventloop will potentially result in re-entrancy + #The cooperating reader must be designed to consume waiting chunks and only reschedule it's channel read handler once all waiting chunks have been consumed. + #puts stderr "[punk::ansi::a+ green bold]--> repl_handler has chunks to consume [ansistring VIEW $input_chunks_waiting($input)][punk::ansi::a]" + } + } + + catch { + unset accumulator($callid) + unset waitvar($callid) + } + + #set punk::console::chunk "" + return $payload + } + + + #review - reading 1 byte at a time and repeatedly running the small capturing/completion regex seems a little inefficient... but we don't have a way to peek or put back chars (?) + #review (we do have the punk::console::input_chunks_waiting($chan) array to cooperatively put back data - but this won't work for user scripts not aware of this) + #review - timeout - what if terminal doesn't put data on stdin? error vs stderr report vs empty results + #review - Main loop may need to detect some terminal responses and store them for lookup instead-of or as-well-as this handler? + #e.g what happens to mouse-events while user code is executing? #we may still need this handler if such a loop doesn't exist. - proc ansi_response_handler {chan accumulatorvar waitvar} { + proc ansi_response_handler_regex {chan callid endregex} { + upvar ::punk::console::ansi_response_chunk chunks + upvar ::punk::console::ansi_response_wait waits + #endregex should explicitly have a trailing $ set status [catch {read $chan 1} bytes] if { $status != 0 } { # Error on the channel - fileevent stdin readable {} - puts "error reading $chan: $bytes" - set $waitvar [list error_read status $status bytes $bytes] + fileevent $chan readable {} + puts "ansi_response_handler_regex error reading $chan: $bytes" + set waits($callid) [list error_read status $status bytes $bytes] } elseif {$bytes ne ""} { # Successfully read the channel - #puts "got: [string length $bytes]" - upvar $accumulatorvar chunk - append chunk $bytes - if {$bytes eq "R"} { - fileevent stdin readable {} - set $waitvar ok + #puts "got: [string length $bytes]bytes" + append chunks($callid) $bytes + #puts stderr [ansistring VIEW $chunks($callid)] + if {[regexp $endregex $chunks($callid)]} { + fileevent $chan readable {} + #puts stderr "matched - setting ansi_response_wait($callid) ok" + set waits($callid) ok } - } elseif { [eof $chan] } { - fileevent stdin readable {} + } elseif {[eof $chan]} { + fileevent $chan readable {} # End of file on the channel #review - puts "ansi_response_handler end of file" - set $waitvar eof - } elseif { [fblocked $chan] } { + puts stderr "ansi_response_handler_regex end of file on channel $chan" + set waits($callid) eof + } elseif {[fblocked $chan]} { # Read blocked. Just return + # Caller should be using timeout on the wait variable } else { - fileevent stdin readable {} + fileevent $chan readable {} # Something else - puts "ansi_response_handler can't happen" - set $waitvar error_unknown + puts stderr "ansi_response_handler_regex Situation shouldn't be possible. No error and no bytes read on channel $chan but chan is not fblocked or EOF" + set waits($callid) error_unknown_zerobytes_while_not_blocked_or_eof } } } ;#end namespace eval internal @@ -487,67 +694,99 @@ namespace eval punk::console { } } - namespace eval ansi { - proc a+ {args} { - puts -nonewline [::punk::ansi::a+ {*}$args] - } - } - proc ansi+ {args} { - variable colour_disabled - if {$colour_disabled == 1} { - return - } + #a and a+ functions are not very useful when emitting directly to console + #e.g puts [punk::console::a red]test[punk::console::a cyan] would produce a cyan coloured test as the commands are evaluated first + + #proc a {args} { + # variable colour_disabled + # variable ansi_wanted + # if {$colour_disabled || $ansi_wanted <= 0} { + # return + # } + # #stdout + # tailcall ansi::a {*}$args + #} + #proc a+ {args} { + # variable colour_disabled + # variable ansi_wanted + # if {$colour_disabled || $ansi_wanted <= 0} { + # return + # } + # #stdout + # tailcall ansi::a+ {*}$args + #} + proc a? {args} { #stdout - tailcall ansi::a+ {*}$args - } - proc get_ansi+ {args} { variable colour_disabled - if {$colour_disabled == 1} { - return + variable ansi_wanted + if {$colour_disabled || $ansi_wanted <= 0} { + puts -nonewline [punk::ansi::stripansi [::punk::ansi::a?]] + } else { + tailcall ansi::a? {*}$args } - tailcall punk::ansi::a+ {*}$args } - namespace eval ansi { - proc a {args} { - puts -nonewline [::punk::ansi::a {*}$args] + proc code_a {args} { + variable colour_disabled + variable ansi_wanted + if {$colour_disabled || $ansi_wanted <= 0} { + return } + tailcall punk::ansi::a {*}$args } - proc ansi {args} { + proc code_a? {args} { variable colour_disabled - if {$colour_disabled == 1} { - return + variable ansi_wanted + if {$colour_disabled || $ansi_wanted <= 0} { + return [punk::ansi::stripansi [::punk::ansi::a? {*}$args]] + } else { + tailcall ::punk::ansi::a? {*}$args } - #stdout - tailcall ansi::a {*}$args } - proc get_ansi {args} { + proc code_a+ {args} { variable colour_disabled - if {$colour_disabled == 1} { + variable ansi_wanted + if {$colour_disabled || $ansi_wanted <= 0} { return } - tailcall punk::ansi::a {*}$args + tailcall punk::ansi::a+ {*}$args } - namespace eval ansi { - proc a? {args} { - puts -nonewline stdout [::punk::ansi::a? {*}$args] + proc ansi {{onoff {}}} { + variable ansi_wanted + if {[string length $onoff]} { + set onoff [string tolower $onoff] + switch -- $onoff { + 1 - + on - + true - + yes { + set ansi_wanted 1 + } + 0 - + off - + false - + no { + set ansi_wanted 0 + } + default { + set ansi_wanted 2 + } + default { + error "punk::console::ansi expected 0|1|on|off|true|false|yes|no|default" + } + } } + catch {repl::reset_prompt} + return [expr {$ansi_wanted}] } - proc ansi? {args} { - #stdout - tailcall ansi::a? {*}$args - } - proc get_ansi? {args} { - tailcall ::punk::ansi::a? {*}$args - } - proc colour {{onoff {}}} { variable colour_disabled if {[string length $onoff]} { set onoff [string tolower $onoff] + #an experiment with complete disabling vs test of state for each call if {$onoff in [list 1 on true yes]} { - interp alias "" a+ "" punk::console::ansi+ + interp alias "" a+ "" punk::console::code_a+ set colour_disabled 0 } elseif {$onoff in [list 0 off false no]} { interp alias "" a+ "" control::no-op @@ -560,14 +799,17 @@ namespace eval punk::console { return [expr {!$colour_disabled}] } - namespace eval ansi { - proc reset {} { - puts -nonewline stdout [punk::ansi::reset] - } - } - namespace import ansi::reset namespace eval ansi { + proc a {args} { + puts -nonewline [::punk::ansi::a {*}$args] + } + proc a? {args} { + puts -nonewline stdout [::punk::ansi::a? {*}$args] + } + proc a+ {args} { + puts -nonewline [::punk::ansi::a+ {*}$args] + } proc clear {} { puts -nonewline stdout [punk::ansi::clear] } @@ -580,11 +822,15 @@ namespace eval punk::console { proc clear_all {} { puts -nonewline stdout [punk::ansi::clear_all] } + proc reset {} { + puts -nonewline stdout [punk::ansi::reset] + } } namespace import ansi::clear namespace import ansi::clear_above namespace import ansi::clear_below namespace import ansi::clear_all + namespace import ansi::reset namespace eval local { proc set_codepage_output {cpname} { @@ -607,91 +853,80 @@ namespace eval punk::console { namespace import local::set_codepage_output namespace import local::set_codepage_input - - proc get_cursor_pos {} { - set ::punk::console::chunk "" - - set accumulator ::punk::console::chunk - set waitvar ::punk::console::chunkdone - set existing_handler [fileevent stdin readable] ;#review! - set $waitvar "" - - set stdin_state [fconfigure stdin] - - #todo - only use own handler if an existing stdin handler not present.. (or console is in line mode) - - #todo - test and save rawstate so we don't disableRaw if console was already raw - if {!$::punk::console::is_raw} { - set was_raw 0 - enableRaw - } else { - set was_raw 1 - } - fconfigure stdin -blocking 0 - # - fileevent stdin readable [list ::punk::console::internal::ansi_response_handler stdin $accumulator $waitvar] - - # - stderr vs stdout - #It has to be same channel as used by functions such as test_char_width or erroneous results returned for those functions - #(presumably race conditions as to when data hits console?) - #review - experiment changing this and calling functions to stderr and see if it works - #review - Are there disadvantages to using stdout vs stderr? - - puts -nonewline stdout \033\[6n ;flush stdout - - + # -- --- --- --- --- --- --- + #get_ansi_response functions + #review - can these functions sensibly be used on channels not attached to the local console? + #ie can we default to {stdin stdout} but allow other channel pairs? + # -- --- --- --- --- --- --- + proc get_cursor_pos {{inoutchannels {stdin stdout}}} { #response from terminal #e.g \033\[46;1R + set capturingregex {(.*)(\x1b\[([0-9]+;[0-9]+)R)$} ;#must capture prefix,entire-response,response-payload - #todo - make timeout configurable? - set cancel_timeout_id [after 2000 [list set $waitvar timedout]] - after 0 {update idletasks} - - set info "" - if {[set $waitvar] eq ""} { - vwait $waitvar - } - if {$waitvar ne "timedout"} { - after cancel $cancel_timeout_id - } else { - return "" - } - - if {$was_raw == 0} { - disableRaw - } - #restore stdin state - fconfigure stdin -blocking [dict get $stdin_state -blocking] - if {[string length $existing_handler]} { - fileevent stdin readable $existing_handler - } - #response handler automatically removes it's own fileevent - - - set info [set $accumulator] - set start [string first \x1b $info] - if {$start > 0} { - set other [string range $info 0 $start-1] - #!!!!! TODO - # Log this somewhere? Work out how to stop it happening? - #puts stderr "Warning - get_cursor_pos read extra data at start - '$other'" - set info [string range $info $start end] - } + set request "\033\[6n" + set payload [punk::console::internal::get_ansi_response_payload $request $capturingregex $inoutchannels] + return $payload + } + proc get_checksum_rect {id page t l b r {inoutchannels {stdin stdout}}} { + #e.g \x1b\[P44!~E797\x1b\\ + #re e.g {(.*)(\x1b\[P44!~([[:alnum:]])\x1b\[\\)$} + set capturingregex [string map [list %id% $id] {(.*)(\x1bP%id%!~([[:alnum:]]+)\x1b\\)$}] + set request "\x1b\[${id}\;${page}\;$t\;$l\;$b\;$r*y" + set payload [punk::console::internal::get_ansi_response_payload $request $capturingregex $inoutchannels] + return $payload + } + proc get_device_status {{inoutchannels {stdin stdout}}} { + set capturingregex {(.*)(\x1b\[([0-9]+)n)$} ;#must capture prefix,entire-response,response-payload + set request "\x1b\[5n" + set payload [punk::console::internal::get_ansi_response_payload $request $capturingregex $inoutchannels] + return $payload + } - #set punk::console::chunk "" - set data [string range $info 2 end-1] - return $data - } proc get_cursor_pos_list {} { return [split [get_cursor_pos] ";"] } + proc get_size {} { + if {[catch { + puts -nonewline [punk::ansi::cursor_off][punk::ansi::cursor_save][punk::ansi::move 2000 2000] + lassign [get_cursor_pos_list] lines cols + puts -nonewline [punk::ansi::cursor_restore][punk::console::cursor_on];flush stdout + set result [list columns $cols rows $lines] + } errM]} { + puts -nonewline [punk::ansi::cursor_restore] + puts -nonewline [punk::ansi::cursor_on] + error "$errM" + } else { + return $result + } + } + proc get_dimensions {} { + lassign [get_size] _c cols _l lines + return "${cols}x${lines}" + } + #the (xterm?) CSI 18t query is supported by *some* terminals + proc get_xterm_size {{inoutchannels {stdin stdout}}} { + set capturingregex {(.*)(\x1b\[8;([0-9]+;[0-9]+)t)$} ;#must capture prefix,entire-response,response-payload + set request "\x1b\[18t" + set payload [punk::console::internal::get_ansi_response_payload $request $capturingregex $inoutchannels] + lassign [split $payload {;}] rows cols + return [list columns $cols rows $rows] + } #terminals lie. This should be a reasonable (albeit relatively slow) test of actual width - but some terminals seem to miscalculate. #todo - a visual interactive test/questionnaire to ask user if things are lining up or if the terminal is telling fibs about cursor position. #todo - determine if these anomalies are independent of font #punk::ansi should be able to glean widths from unicode data files - but this may be incomplete - todo - compare with what terminal actually does. proc test_char_width {char_or_string {emit 0}} { + #return 1 + #JMN + #puts stderr "cwtest" + variable ansi_available + if {!$ansi_available} { + puts stderr "No ansi - cannot test char_width of '$char_or_string' returning [string length $char_or_string]" + return [string length $char_or_string] + } + if {!$emit} { puts -nonewline stdout \033\[2K\033\[1G ;#2K erase line 1G cursor at col1 } @@ -725,6 +960,50 @@ namespace eval punk::console { return [expr {$col2 - $col1}] } + #todo! - improve + proc test_can_ansi {} { + #don't set ansi_avaliable here - we want to be able to change things, retest etc. + if {"windows" eq "$::tcl_platform(platform)"} { + if {[package provide twapi] ne ""} { + set h_out [twapi::get_console_handle stdout] + set existing_mode [twapi::GetConsoleMode $h_out] + if {[expr {$existing_mode & 4}]} { + #virtual terminal processing happens to be enabled - so it's supported + return 1 + } + #output mode + #ENABLE_VIRTUAL_TERMINAL_PROCESSING = 0x0004 + + #try temporarily setting it - if we get an error - ansi not supported + if {[catch { + twapi::SetConsoleMode $h_out [expr {$existing_mode | 4}] + } errM]} { + return 0 + } + #restore + twapi::SetConsoleMode $h_out [expr {$existing_mode & ~4}] + return 1 + } else { + #todo - try a cursorpos query and read stdin to see if we got a response? + puts stderr "Unable to verify terminal ansi support - assuming modern default of true" + puts stderr "to force disable, use command: ansi off" + return 1 + } + } else { + return 1 + } + } + + #review + proc can_ansi {} { + variable ansi_available + if {!$ansi_available} { + return 0 + } + set ansi_available [test_can_ansi] + return [expr {$ansi_available}] + } + namespace eval ansi { proc cursor_on {} { puts -nonewline stdout [punk::ansi::cursor_on] @@ -768,7 +1047,15 @@ namespace eval punk::console { puts -nonewline stdout [punk::ansi::titleset $windowtitle] } } - namespace import ansi::titleset + #namespace import ansi::titleset + proc titleset {windowtitle} { + variable ansi_wanted + if { $ansi_wanted <= 0} { + punk::console::local::titleset $windowtitle + } else { + tailcall ansi::titleset $windowtitle + } + } #no known pure-ansi solution proc titleget {} { return [local::titleget] @@ -852,14 +1139,14 @@ namespace eval punk::console { #review - worth the extra microseconds to inline? might be if used in for example prompt on every keypress. #caller should build as much as possible using the punk::ansi versions to avoid extra puts calls - proc save_cursor {} { + proc cursor_save {} { #*** !doctools - #[call [fun save_cursor]] + #[call [fun cursor_save]] puts -nonewline \x1b\[s } - proc restore_cursor {} { + proc cursor_restore {} { #*** !doctools - #[call [fun restore_cursor]] + #[call [fun cursor_restore]] puts -nonewline \x1b\[u } proc insert_spaces {count} { @@ -886,8 +1173,8 @@ namespace eval punk::console { namespace import ansi::move_down namespace import ansi::move_column namespace import ansi::move_row - namespace import ansi::save_cursor - namespace import ansi::restore_cursor + namespace import ansi::cursor_save + namespace import ansi::cursor_restore namespace import ansi::scroll_down namespace import ansi::scroll_up namespace import ansi::insert_spaces @@ -906,27 +1193,64 @@ namespace eval punk::console { #set blanks [string repeat " " [expr {$col + $tw}]] #puts -nonewline [punk::ansi::erase_eol]$blanks;move_emit_return this $col $text #puts -nonewline [move_emit_return this $col [punk::ansi::insert_spaces 150]$text] - save_cursor + cursor_save #move_emit_return this $col [punk::ansi::move_forward 50][punk::ansi::insert_spaces 150][punk::ansi::move_back 50][punk::ansi::move_forward $col]$text - puts -nonewline [punk::ansi::insert_spaces 150][punk::ansi::move_column $col]$text - restore_cursor + #puts -nonewline [punk::ansi::insert_spaces 150][punk::ansi::move_column $col]$text + puts -nonewline [punk::ansi::erase_eol][punk::ansi::move_column $col]$text + cursor_restore } proc move_emit_return {row col data args} { #todo detect if in raw mode or not? set is_in_raw 0 lassign [punk::console::get_cursor_pos_list] orig_row orig_col - move_emit $row $col $data + set commands "" + append commands [punk::ansi::move_emit $row $col $data] foreach {row col data} $args { - move_emit $row $col $data + append commands [punk::ansi::move_emit $row $col $data] } - if {!$is_in_raw} { incr orig_row -1 } - move $orig_row $orig_col + append commands [punk::ansi::move $orig_row $orig_col] + puts -nonewline stdout $commands return "" } + #we can be faster and more efficient if we use the consoles cursor_save command - but each savecursor overrides any previous one. + #leave cursor_off/cursor_on to caller who can wrap more efficiently.. + proc cursorsave_move_emit_return {row col data args} { + set commands "" + append commands [punk::ansi::cursor_save] + append commands [punk::ansi::move_emit $row $col $data] + foreach {row col data} $args { + append commands [punk::ansi::move_emit $row $col $data] + } + append commands [punk::ansi::cursor_restore] + puts -nonewline stdout $commands; flush stdout + } + proc move_emitblock_return {row col textblock} { + lassign [punk::console::get_cursor_pos_list] orig_row orig_col + + set commands "" + foreach ln [split $textblock \n] { + append commands [punk::ansi::move_emit $row $col $ln] + incr row + } + append commands [punk::ansi::move $orig_row $orig_col] + puts -nonewline $commands + return + } + proc cursorsave_move_emitblock_return {row col textblock} { + set commands "" + append commands [punk::ansi::cursor_save] + foreach ln [split $textblock \n] { + append commands [punk::ansi::move_emit $row $col $ln] + incr row + } + append commands [punk::ansi::cursor_restore] + puts -nonewline stdout $commands;flush stdout + return + } proc move_call_return {row col script} { lassign [punk::console::get_cursor_pos_list] orig_row orig_col move $row $col @@ -934,7 +1258,7 @@ namespace eval punk::console { move $orig_row $orig_col } - #this doesn't work - we would need an internal virtual screen structure to pick up cursor attributes from arbitrary locations + #this doesn't work - we would need an internal virtual screen structure to pick up cursor attributes from arbitrary locations? # ncurses and its ilk may have something like that - but we specifically want to avoid curses libraries proc pick {row col} { lassign [punk::console::get_cursor_pos_list] orig_row orig_col diff --git a/src/bootsupport/modules/punk/encmime-0.1.0.tm b/src/bootsupport/modules/punk/encmime-0.1.0.tm index 071250d6..e049a3ea 100644 --- a/src/bootsupport/modules/punk/encmime-0.1.0.tm +++ b/src/bootsupport/modules/punk/encmime-0.1.0.tm @@ -50,9 +50,9 @@ #[para] packages used by punk::encmime #[list_begin itemized] -package require Tcl 8.6 +package require Tcl 8.6- #*** !doctools -#[item] [package {Tcl 8.6}] +#[item] [package {Tcl 8.6-}] # #package require frobz # #*** !doctools diff --git a/src/bootsupport/modules/punk/fileline-0.1.0.tm b/src/bootsupport/modules/punk/fileline-0.1.0.tm index c3a7b5bf..fdf9167e 100644 --- a/src/bootsupport/modules/punk/fileline-0.1.0.tm +++ b/src/bootsupport/modules/punk/fileline-0.1.0.tm @@ -60,10 +60,10 @@ #[para] packages needed by punk::fileline #[list_begin itemized] - package require Tcl 8.6 + package require Tcl 8.6- package require punk::args #*** !doctools - #[item] [package {Tcl 8.6}] + #[item] [package {Tcl 8.6-}] #[item] [package {punk::args}] @@ -368,6 +368,7 @@ namespace eval punk::fileline::class { } else { set tail [string trimleft $opt_linebase +];#ignore + } + #todo - switch -glob -- $tail if {[string match eof* $tail]} { set endmath [string range $tail 3 end] #todo endmath? @@ -1066,32 +1067,37 @@ namespace eval punk::fileline::class { foreach whichvar [list start end] { upvar 0 ${whichvar}idx index if {![string is digit -strict $index]} { - if {"end" eq $index} { - set index $max - } elseif {[string match "*-*" $index]} { - #end-int or int-int - like lrange etc we don't accept arbitrarily complex expressions - lassign [split $index -] A B - if {$A eq "end"} { - set index [expr {$max - $B}] - } else { - set index [expr {$A - $B}] + switch -glob -- $index { + end { + set index $max } - } elseif {[string match "*+*" $index]} { - lassign [split $index +] A B - if {$A eq "end"} { - #review - this will just result in out of bounds error in final test - as desired - #By calculating here - we will see the result in the error message - but it's probably not particularly useful - as we don't really need end+ support at all. - set index [expr {$max + $B}] - } else { - set index [expr {$A + $B}] + "*-*" { + #end-int or int-int - like lrange etc we don't accept arbitrarily complex expressions + lassign [split $index -] A B + if {$A eq "end"} { + set index [expr {$max - $B}] + } else { + set index [expr {$A - $B}] + } } - } else { - #May be something like +2 or -0 which braced expr can hanle - #we would like to avoid unbraced expr here - as we're potentially dealing with ranges that may come from external sources. - if {[catch {expr {$index}} index]} { - #could be end+x - but we don't want out of bounds to be valid - #set it to something that the final bounds expr test can deal with - set index Inf + "*+*" { + lassign [split $index +] A B + if {$A eq "end"} { + #review - this will just result in out of bounds error in final test - as desired + #By calculating here - we will see the result in the error message - but it's probably not particularly useful - as we don't really need end+ support at all. + set index [expr {$max + $B}] + } else { + set index [expr {$A + $B}] + } + } + default { + #May be something like +2 or -0 which braced expr can hanle + #we would like to avoid unbraced expr here - as we're potentially dealing with ranges that may come from external sources. + if {[catch {expr {$index}} index]} { + #could be end+x - but we don't want out of bounds to be valid + #set it to something that the final bounds expr test can deal with + set index Inf + } } } } @@ -1308,6 +1314,7 @@ namespace eval punk::fileline { set bomenc "" set is_reliabletxt 0 ;#see http://reliabletxt.com - only utf-8 with bom, utf-16be, utf-16le, utf-32be supported as at 2024 set startdata 0 + #todo switch -glob if {[string match "efbbbf*" $maybe_bom]} { set bomid utf-8 set bomenc utf-8 @@ -1424,6 +1431,7 @@ namespace eval punk::fileline { set encoding_selected $bomenc } } else { + #!? if {$bomenc eq "binary"} { set datachunk [string range $rawchunk $startdata end] set encoding_selected binary @@ -1523,7 +1531,7 @@ namespace eval punk::fileline::lib { # is_span 1 boundaries {514 1026 1538} #[example_end] #[para] This function automatically uses lseq (if Tcl >= 8.7) when number of boundaries spanned is approximately greater than 75 - if {[catch {package require Tcl 8.7}]} { + if {[catch {package require Tcl 8.7-}]} { #only one implementation available for older Tcl tailcall punk::fileline::system::_range_spans_chunk_boundaries_tcl $start $end $chunksize {*}$args } @@ -1675,7 +1683,7 @@ namespace eval punk::fileline::system { proc _range_spans_chunk_boundaries_TIMEIT {start end chunksize {repeat 1}} { puts "main : [time {punk::fileline::lib::range_spans_chunk_boundaries $start $end $chunksize} $repeat]" puts "tcl : [time {punk::fileline::system::_range_spans_chunk_boundaries_tcl $start $end $chunksize} $repeat]" - if {![catch {package require Tcl 8.7}]} { + if {![catch {package require Tcl 8.7-}]} { puts "lseq : [time {punk::fileline::system::_range_spans_chunk_boundaries_lseq $start $end $chunksize} $repeat]" } } diff --git a/src/bootsupport/modules/punk/lib-0.1.1.tm b/src/bootsupport/modules/punk/lib-0.1.1.tm new file mode 100644 index 00000000..5de7ca5d --- /dev/null +++ b/src/bootsupport/modules/punk/lib-0.1.1.tm @@ -0,0 +1,1847 @@ +# -*- tcl -*- +# Maintenance Instruction: leave the 999999.xxx.x as is and use punkshell 'pmix make' or bin/punkmake to update from -buildversion.txt +# module template: punkshell/src/decktemplates/vendor/punk/modules/template_module-0.0.2.tm +# +# Please consider using a BSD or MIT style license for greatest compatibility with the Tcl ecosystem. +# Code using preferred Tcl licenses can be eligible for inclusion in Tcllib, Tklib and the punk package repository. +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +# (C) 2024 +# +# @@ Meta Begin +# Application punk::lib 0.1.1 +# Meta platform tcl +# Meta license BSD +# @@ Meta End + + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +# doctools header +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +#*** !doctools +#[manpage_begin punkshell_module_punk::lib 0 0.1.1] +#[copyright "2024"] +#[titledesc {punk general utility functions}] [comment {-- Name section and table of contents description --}] +#[moddesc {punk library}] [comment {-- Description at end of page heading --}] +#[require punk::lib] +#[keywords module utility lib] +#[description] +#[para]This is a set of utility functions that are commonly used across punk modules or are just considered to be general-purpose functions. +#[para]The base set includes string and math functions but has no specific theme + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ + +#*** !doctools +#[section Overview] +#[para] overview of punk::lib +#[subsection Concepts] +#[para]The punk::lib modules should have no strong dependencies other than Tcl +#[para]Dependendencies that only affect display or additional functionality may be included - but should fail gracefully if not present, and only when a function is called that uses one of these soft dependencies. +#[para]This requirement for no strong dependencies, means that many utility functions that might otherwise seem worthy of inclusion here are not present. + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +## Requirements +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ + +#*** !doctools +#[subsection dependencies] +#[para] packages used by punk::lib +#[list_begin itemized] + +package require Tcl 8.6- +#*** !doctools +#[item] [package {Tcl 8.6-}] + +# #package require frobz +# #*** !doctools +# #[item] [package {frobz}] + +#*** !doctools +#[list_end] + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ + +#*** !doctools +#[section API] + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +# oo::class namespace +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +namespace eval punk::lib::class { + #*** !doctools + #[subsection {Namespace punk::lib::class}] + #[para] class definitions + if {[info commands [namespace current]::interface_sample1] eq ""} { + #*** !doctools + #[list_begin enumerated] + + # oo::class create interface_sample1 { + # #*** !doctools + # #[enum] CLASS [class interface_sample1] + # #[list_begin definitions] + + # method test {arg1} { + # #*** !doctools + # #[call class::interface_sample1 [method test] [arg arg1]] + # #[para] test method + # puts "test: $arg1" + # } + + # #*** !doctools + # #[list_end] [comment {-- end definitions interface_sample1}] + # } + + #*** !doctools + #[list_end] [comment {--- end class enumeration ---}] + } +} +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +# Base namespace +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +namespace eval punk::lib { + namespace export * + #variable xyz + + #*** !doctools + #[subsection {Namespace punk::lib}] + #[para] Core API functions for punk::lib + #[list_begin definitions] + + + + #proc sample1 {p1 n args} { + # #*** !doctools + # #[call [fun sample1] [arg p1] [arg n] [opt {option value...}]] + # #[para]Description of sample1 + # #[para] Arguments: + # # [list_begin arguments] + # # [arg_def tring p1] A description of string argument p1. + # # [arg_def integer n] A description of integer argument n. + # # [list_end] + # return "ok" + #} + + proc K {x y} {return $x} + #*** !doctools + #[call [fun K] [arg x] [arg y]] + #[para]The K-combinator function - returns the first argument, x and discards y + #[para]see [uri https://wiki.tcl-lang.org/page/K] + #[para]It is used in cases where command-substitution at the calling-point performs some desired effect. + + proc hex2dec {args} { + #*** !doctools + #[call [fun hex2dec] [opt {option value...}] [arg list_largeHex]] + #[para]Convert a list of (possibly large) unprefixed hex strings to their decimal values + #[para]hex2dec accepts and ignores internal underscores in the same manner as Tcl 8.7+ numbers e.g hex2dec FF_FF returns 65535 + #[para]Leading and trailing underscores are ignored as a matter of implementation convenience - but this shouldn't be relied upon. + #[para]Leading or trailing whitespace in each list member is allowed e.g hex2dec " F" returns 15 + #[para]Internal whitespace e.g "F F" is not permitted - but a completely empty element "" is allowed and will return 0 + + set list_largeHex [lindex $args end] + set argopts [lrange $args 0 end-1] + if {[llength $argopts]%2 !=0} { + error "[namespace current]::hex2dec arguments prior to list_largeHex must be option/value pairs - received '$argopts'" + } + set defaults [dict create\ + -validate 1\ + -empty_as_hex "INVALID set -empty_as_hex to a hex string e.g FF if empty values should be replaced"\ + ] + set known_opts [dict keys $defaults] + set fullopts [dict create] + dict for {k v} $argopts { + dict set fullopts [tcl::prefix match -message "options for hex2dec. Unexpected option" $known_opts $k] $v + } + set opts [dict merge $defaults $fullopts] + # -- --- --- --- + set opt_validate [dict get $opts -validate] + set opt_empty [dict get $opts -empty_as_hex] + # -- --- --- --- + + set list_largeHex [lmap h $list_largeHex[unset list_largeHex] {string map [list _ ""] [string trim $h]}] + if {$opt_validate} { + #Note appended F so that we accept list of empty strings as per the documentation + if {![string is xdigit -strict [join $list_largeHex ""]F ]} { + error "[namespace current]::hex2dec error: non-hex digits encountered after stripping underscores and leading/trailing whitespace for each element\n $list_largeHex" + } + } + if {![string is xdigit -strict [string map [list _ ""] $opt_empty]]} { + #mapping empty string to a value destroys any advantage of -scanonly + #todo - document that -scanonly has 2 restrictions - each element must be valid hex and less than 7 chars long + #set list_largeHex [lmap v $list_largeHex[set list_largeHex {}] {expr {$v eq ""} ? {0} : {[set v]}}] + if {[lsearch $list_largeHex ""] >=0} { + error "[namespace current]::hex2dec error: empty values in list cannot be mapped to non-hex $opt_empty" + } + } else { + set opt_empty [string trim [string map [list _ ""] $opt_empty]] + if {[set first_empty [lsearch $list_largeHex ""]] >= 0} { + #set list_largeHex [lmap v $list_largeHex[set list_largeHex {}] {expr {$v eq ""} ? {$opt_empty} : {$v}}] + set nonempty_head [lrange $list_largeHex 0 $first_empty-1] + set list_largeHex [concat $nonempty_head [lmap v [lrange $list_largeHex $first_empty end] {expr {$v eq ""} ? {$opt_empty} : {$v}}]] + } + } + return [scan $list_largeHex [string repeat %llx [llength $list_largeHex]]] + } + + proc dec2hex {args} { + #*** !doctools + #[call [fun dex2hex] [opt {option value...}] [arg list_decimals]] + #[para]Convert a list of decimal integers to a list of hex values + #[para] -width can be used to make each hex value at least int characters wide, with leading zeroes. + #[para] -case upper|lower determines the case of the hex letters in the output + set list_decimals [lindex $args end] + set argopts [lrange $args 0 end-1] + if {[llength $argopts]%2 !=0} { + error "[namespace current]::dec2hex arguments prior to list_decimals must be option/value pairs - received '$argopts'" + } + set defaults [dict create\ + -width 1\ + -case upper\ + -empty_as_decimal "INVALID set -empty_as_decimal to a number if empty values should be replaced"\ + ] + set known_opts [dict keys $defaults] + set fullopts [dict create] + dict for {k v} $argopts { + dict set fullopts [tcl::prefix match -message "options for [namespace current]::dec2hex. Unexpected option" $known_opts $k] $v + } + set opts [dict merge $defaults $fullopts] + # -- --- --- --- + set opt_width [dict get $opts -width] + set opt_case [dict get $opts -case] + set opt_empty [dict get $opts -empty_as_decimal] + # -- --- --- --- + + + set resultlist [list] + switch -- [string tolower $opt_case] { + upper { + set spec X + } + lower { + set spec x + } + default { + error "[namespace current]::dec2hex unknown value '$opt_case' for -case expected upper|lower" + } + } + set fmt "%${opt_width}.${opt_width}ll${spec}" + + set list_decimals [lmap d $list_decimals[unset list_decimals] {string map [list _ ""] [string trim $d]}] + if {![string is digit -strict [string map [list _ ""] $opt_empty]]} { + if {[lsearch $list_decimals ""] >=0} { + error "[namespace current]::dec2hex error: empty values in list cannot be mapped to non-decimal $opt_empty" + } + } else { + set opt_empty [string map [list _ ""] $opt_empty] + if {[set first_empty [lsearch $list_decimals ""]] >= 0} { + set nonempty_head [lrange $list_decimals 0 $first_empty-1] + set list_decimals [concat $nonempty_head [lmap v [lrange $list_decimals $first_empty end] {expr {$v eq ""} ? {$opt_empty} : {$v}}]] + } + } + return [format [lrepeat [llength $list_decimals] $fmt] {*}$list_decimals] + } + + proc log2 x "expr {log(\$x)/[expr log(2)]}" + #*** !doctools + #[call [fun log2] [arg x]] + #[para]log base2 of x + #[para]This uses a 'live' proc body - the divisor for the change of base is computed once at definition time + #[para](courtesy of RS [uri https://wiki.tcl-lang.org/page/Additional+math+functions]) + + proc logbase {b x} { + #*** !doctools + #[call [fun logbase] [arg b] [arg x]] + #[para]log base b of x + #[para]This function uses expr's natural log and the change of base division. + #[para]This means for example that we can get results like: logbase 10 1000 = 2.9999999999999996 + #[para]Use expr's log10() function or tcl::mathfunc::log10 for base 10 + expr {log($x)/log($b)} + } + proc factors {x} { + #*** !doctools + #[call [fun factors] [arg x]] + #[para]Return a sorted list of the positive factors of x where x > 0 + #[para]For x = 0 we return only 0 and 1 as technically any number divides zero and there are an infinite number of factors. (including zero itself in this context)* + #[para]This is a simple brute-force implementation that iterates all numbers below the square root of x to check the factors + #[para]Because the implementation is so simple - the performance is very reasonable for numbers below at least a few 10's of millions + #[para]See tcllib math::numtheory::factors for a more complex implementation - which seems to be slower for 'small' numbers + #[para]Comparisons were done with some numbers below 17 digits long + #[para]For seriously big numbers - this simple algorithm would no doubt be outperformed by more complex algorithms. + #[para]The numtheory library stores some data about primes etc with each call - so may become faster when being used on more numbers + #but has the disadvantage of being slower for 'small' numbers and using more memory. + #[para]If the largest factor below x is needed - the greatestOddFactorBelow and GreatestFactorBelow functions are a faster way to get there than computing the whole list, even for small values of x + #[para]* Taking x=0; Notion of x being divisible by integer y being: There exists an integer p such that x = py + #[para] In other mathematical contexts zero may be considered not to divide anything. + set factors [list 1] + set j 2 + set max [expr {sqrt($x)}] + while {$j <= $max} { + if {($x % $j) == 0} { + lappend factors $j [expr {$x / $j}] + } + incr j + } + lappend factors $x + return [lsort -unique -integer $factors] + } + proc oddFactors {x} { + #*** !doctools + #[call [fun oddFactors] [arg x]] + #[para]Return a list of odd integer factors of x, sorted in ascending order + set j 2 + set max [expr {sqrt($x)}] + set factors [list 1] + while {$j <= $max} { + if {$x % $j == 0} { + set other [expr {$x / $j}] + if {$other % 2 != 0} { + if {$other ni $factors} { + lappend factors $other + } + } + if {$j % 2 != 0} { + if {$j ni $factors} { + lappend factors $j + } + } + } + incr j + } + return [lsort -integer -increasing $factors] + } + proc greatestFactorBelow {x} { + #*** !doctools + #[call [fun greatestFactorBelow] [arg x]] + #[para]Return the largest factor of x excluding itself + #[para]factor functions can be useful for console layout calculations + #[para]See Tcllib math::numtheory for more extensive implementations + if {$x % 2 == 0 || $x == 0} { + return [expr {$x / 2}] + } + set j 3 + set max [expr {sqrt($x)}] + while {$j <= $max} { + if {$x % $j == 0} { + return [expr {$x / $j}] + } + incr j 2 + } + return 1 + } + proc greatestOddFactorBelow {x} { + #*** !doctools + #[call [fun greatestOddFactorBelow] [arg x]] + #[para]Return the largest odd integer factor of x excluding x itself + if {$x %2 == 0} { + return [greatestOddFactor $x] + } + set j 3 + #dumb brute force - time taken to compute is wildly variable on big numbers + #todo - use a (memoized?) generator of primes to reduce the search space + #tcllib math::numtheory has suitable functions - but do we want that dependency here? Testing shows brute-force often faster for small numbers. + set god 1 + set max [expr {sqrt($x)}] + while { $j <= $max} { + if {$x % $j == 0} { + set other [expr {$x / $j}] + if {$other % 2 == 0} { + set god $j + } else { + set god [expr {$x / $j}] + #lowest j - so other side must be highest + break + } + } + incr j 2 + } + return $god + } + proc greatestOddFactor {x} { + #*** !doctools + #[call [fun greatestOddFactor] [arg x]] + #[para]Return the largest odd integer factor of x + #[para]For an odd value of x - this will always return x + if {$x % 2 != 0 || $x == 0} { + return $x + } + set r [expr {$x / 2}] + while {$r % 2 == 0} { + set r [expr {$r / 2}] + } + return $r + } + proc gcd {n m} { + #*** !doctools + #[call [fun gcd] [arg n] [arg m]] + #[para]Return the greatest common divisor of m and n + #[para]Straight from Lars Hellström's math::numtheory library in Tcllib + #[para]Graphical use: + #[para]An a by b rectangle can be covered with square tiles of side-length c, + #[para]only if c is a common divisor of a and b + + # + # Apply Euclid's good old algorithm + # + if { $n > $m } { + set t $n + set n $m + set m $t + } + + while { $n > 0 } { + set r [expr {$m % $n}] + set m $n + set n $r + } + + return $m + } + proc lcm {n m} { + #*** !doctools + #[call [fun gcd] [arg n] [arg m]] + #[para]Return the lowest common multiple of m and n + #[para]Straight from Lars Hellström's math::numtheory library in Tcllib + #[para] + set gcd [gcd $n $m] + return [expr {$n*$m/$gcd}] + } + proc commonDivisors {x y} { + #*** !doctools + #[call [fun commonDivisors] [arg x] [arg y]] + #[para]Return a list of all the common factors of x and y + #[para](equivalent to factors of their gcd) + return [factors [gcd $x $y]] + } + + #experimental only - there are better/faster ways + proc sieve n { + set primes [list] + if {$n < 2} {return $primes} + set nums [dict create] + for {set i 2} {$i <= $n} {incr i} { + dict set nums $i "" + } + set next 2 + set limit [expr {sqrt($n)}] + while {$next <= $limit} { + for {set i $next} {$i <= $n} {incr i $next} {dict unset nums $i} + lappend primes $next + dict for {next -} $nums break + } + return [concat $primes [dict keys $nums]] + } + proc sieve2 n { + set primes [list] + if {$n < 2} {return $primes} + set nums [dict create] + for {set i 2} {$i <= $n} {incr i} { + dict set nums $i "" + } + set next 2 + set limit [expr {sqrt($n)}] + while {$next <= $limit} { + for {set i $next} {$i <= $n} {incr i $next} {dict unset nums $i} + lappend primes $next + #dict for {next -} $nums break + set next [lindex $nums 0] + } + return [concat $primes [dict keys $nums]] + } + + proc hasglobs {str} { + #*** !doctools + #[call [fun hasglobs] [arg str]] + #[para]Return a boolean indicating whether str contains any of the glob characters: * ? [lb] [rb] + #[para]hasglobs uses append to preserve Tcls internal representation for str - so it should help avoid shimmering in the few cases where this may matter. + regexp {[*?\[\]]} [append obj2 $str {}] ;# int-rep preserving + } + + proc trimzero {number} { + #*** !doctools + #[call [fun trimzero] [arg number]] + #[para]Return number with left-hand-side zeros trimmed off - unless all zero + #[para]If number is all zero - a single 0 is returned + set trimmed [string trimleft $number 0] + if {[string length $trimmed] == 0} { + set trimmed 0 + } + return $trimmed + } + proc substring_count {str substring} { + #*** !doctools + #[call [fun substring_count] [arg str] [arg substring]] + #[para]Search str and return number of occurrences of substring + + #faster than lsearch on split for str of a few K + if {$substring eq ""} {return 0} + set occurrences [expr {[string length $str]-[string length [string map [list $substring {}] $str]]}] + return [expr {$occurrences / [string length $substring]}] + } + + proc dict_merge_ordered {defaults main} { + #*** !doctools + #[call [fun dict_merge_ordered] [arg defaults] [arg main]] + #[para]The standard dict merge accepts multiple dicts with values from dicts to the right (2nd argument) taking precedence. + #[para]When merging with a dict of default values - this means that any default key/vals that weren't in the main dict appear in the output before the main data. + #[para]This function merges the two dicts whilst maintaining the key order of main followed by defaults. + + #1st merge (inner merge) with wrong values taking precedence - but right key-order - then (outer merge) restore values + return [dict merge [dict merge $main $defaults] $main] + } + + proc askuser {question} { + #*** !doctools + #[call [fun askuser] [arg question]] + #[para]A basic utility to read an answer from stdin + #[para]The prompt is written to the terminal and then it waits for a user to type something + #[para]stdin is temporarily configured to blocking and then put back in its original state in case it wasn't already so. + #[para]If the terminal is using punk::console and is in raw mode - the terminal will temporarily be put in line mode. + #[para](Generic terminal raw vs linemode detection not yet present) + #[para]The user must hit enter to submit the response + #[para]The return value is the string if any that was typed prior to hitting enter. + #[para]The question argument can be manually colourised using the various punk::ansi funcitons + #[example_begin] + # set answer [lb]punk::lib::askuser "[lb]a+ green bold[rb]Do you want to proceed? (Y|N)[lb]a[rb]"[rb] + # if {[lb]string match y* [lb]string tolower $answer[rb][rb]} { + # puts "Proceeding" + # } else { + # puts "Cancelled by user" + # } + #[example_end] + puts stdout $question + flush stdout + set stdin_state [fconfigure stdin] + if {[catch { + package require punk::console + set console_raw [set ::punk::console::is_raw] + } err_console]} { + #assume normal line mode + set console_raw 0 + } + try { + fconfigure stdin -blocking 1 + if {$console_raw} { + punk::console::disableRaw + set answer [gets stdin] + punk::console::enableRaw + } else { + set answer [gets stdin] + } + } finally { + fconfigure stdin -blocking [dict get $stdin_state -blocking] + } + return $answer + } + + #like textutil::adjust::indent - but doesn't strip trailing lines, and doesn't implement skip parameter. + proc indent {text {prefix " "}} { + set result [list] + foreach line [split $text \n] { + if {[string trim $line] eq ""} { + lappend result "" + } else { + lappend result $prefix[string trimright $line] + } + } + return [join $result \n] + } + proc undent {text} { + if {$text eq ""} { + return "" + } + set lines [split $text \n] + set nonblank [list] + foreach ln $lines { + if {[string trim $ln] eq ""} { + continue + } + lappend nonblank $ln + } + set lcp [longestCommonPrefix $nonblank] + if {$lcp eq ""} { + return $text + } + regexp {^([\t ]*)} $lcp _m lcp + if {$lcp eq ""} { + return $text + } + set len [string length $lcp] + set result [list] + foreach ln $lines { + if {[string trim $ln] eq ""} { + lappend result "" + } else { + lappend result [string range $ln $len end] + } + } + return [join $result \n] + } + #A version of textutil::string::longestCommonPrefixList + proc longestCommonPrefix {items} { + if {[llength $items] <= 1} { + return [lindex $items 0] + } + set items [lsort $items[unset items]] + set min [lindex $items 0] + set max [lindex $items end] + #if first and last of sorted list share a prefix - then all do (first and last of sorted list are the most different in the list) + #(sort order nothing to do with length - e.g min may be longer than max) + if {[string length $min] > [string length $max]} { + set temp $min + set min $max + set max $temp + } + set n [string length $min] + set prefix "" + set i -1 + while {[incr i] < $n && ([set c [string index $min $i]] eq [string index $max $i])} { + append prefix $c + } + return $prefix + } + + #test example of the technique - not necessarily particularly useful as a function, except maybe for brevity/clarity. todo - test if inlined version gives any perf advantage compared to a temp var + proc swapnumvars {namea nameb} { + upvar $namea a $nameb b + set a [expr {$a ^ $b}] + set b [expr {$a ^ $b}] + set a [expr {$a ^ $b}] + } + + #e.g linesort -decreasing $data + proc linesort {args} { + #*** !doctools + #[call [fun linesort] [opt {sortoption ?val?...}] [arg textblock]] + #[para]Sort lines in textblock + #[para]Returns another textblock with lines sorted + #[para]options are flags as accepted by lsort ie -ascii -command -decreasing -dictionary -index -indices -integer -nocase -real -stride -unique + if {[llength $args] < 1} { + error "linesort missing lines argument" + } + set lines [lindex $args end] + set opts [lrange $args 0 end-1] + #.= list $lines |@0,sortopts/1> linelist |> .=data>1,sortopts>1* lsort |> list_as_lines <| {*}$opts + list_as_lines [lsort {*}$opts [linelist $lines]] + } + + proc list_as_lines {args} { + #*** !doctools + #[call [fun list_as_lines] [opt {-joinchar char}] [arg linelist]] + #[para]This simply joines the elements of the list with -joinchar + #[para]It is mainly intended for use in pipelines where the primary argument comes at the end - but it can also be used as a general replacement for join $lines + #[para]The sister function lines_as_list takes a block of text and splits it into lines - but with more options related to trimming the block and/or each line. + if {[set eop [lsearch $args --]] == [llength $args]-2} { + #end-of-opts not really necessary - except for consistency with lines_as_list + set args [concat [lrange $args 0 $eop-1] [lrange $args $eop+1 end]] + } + if {[llength $args] == 3 && [lindex $args 0] eq "-joinchar"} { + set joinchar [lindex $args 1] + set lines [lindex $args 2] + } elseif {[llength $args] == 1} { + set joinchar "\n" + set lines [lindex $args 0] + } else { + error "list_as_lines usage: list_as_lines ?-joinchar ? " + } + return [join $lines $joinchar] + } + proc list_as_lines2 {args} { + #eat or own dogfood version - shows the implementation is simpler - but unfortunately not suitable for a simple function like this which should be as fast as possible + lassign [dict values [punk::lib::opts_values -minvalues 1 -maxvalues 1 { + -joinchar -default \n + } $args]] opts values + return [join [dict get $values 0] [dict get $opts -joinchar]] + } + + proc lines_as_list {args} { + #*** !doctools + #[call [fun lines_as_list] [opt {option value ...}] [arg text]] + #[para]Returns a list of possibly trimmed lines depeding on options + #[para]The concept of lines is raw lines from splitting on newline after crlf is mapped to lf + #[para]- not console lines which may be entirely different due to control characters such as vertical tabs or ANSI movements + + #The underlying function linelist has the validation code which gives nicer usage errors. + #we can't use a dict merge here without either duplicating the underlying validation somewhat, or risking a default message from dict merge error + #..because we don't know what to say if there are odd numbers of args + #we can guess that it's ok to insert our default if no -block found in $args - but as a general principle this mightn't always work + #e.g if -block is also a valid value for the textblock itself. Which in this case it is - although unlikely, and our -block {} default is irrelevant in that case anyway + + if {[lsearch $args "--"] == [llength $args]-2} { + set opts [lrange $args 0 end-2] + } else { + set opts [lrange $args 0 end-1] + } + #set opts [dict merge {-block {}} $opts] + set bposn [lsearch $opts -block] + if {$bposn < 0} { + lappend opts -block {} + } + set text [lindex $args end] + tailcall linelist {*}$opts $text + } + #this demonstrates the ease of using an args processor - but as lines_as_list is heavily used in terminal output - we can't afford the extra microseconds + proc lines_as_list2 {args} { + #pass -anyopts 1 so we can let the next function decide what arguments are valid - but still pass our defaults + #-anyopts 1 avoids having to know what to say if odd numbers of options passed etc + #we don't have to decide what is an opt vs a value + #even if the caller provides the argument -block without a value the next function's validation will report a reasonable error because there is now nothing in $values (consumed by -block) + lassign [dict values [punk::lib::opts_values -anyopts 1 { + -block -default {} + } $args]] opts valuedict + tailcall linelist {*}$opts {*}[dict values $valuedict] + } + + # important for pipeline & match_assign + # -line trimline|trimleft|trimright -block trimhead|trimtail|triminner|trimall|trimhead1|trimtail1|collateempty -commandprefix {string length} ? + # -block trimming only trims completely empty lines. use -line trimming to remove whitespace e.g -line trimright will clear empty lines without affecting leading whitespace on other lines that aren't pure whitespace + proc linelist {args} { + set usage "linelist ?-line trimline|trimleft|trimright? ?-block trimhead|trimtail|triminner|trimall|trimhead1|trimtail1|collateempty? -commandprefix text" + if {[llength $args] == 0} { + error "linelist missing textchunk argument usage:$usage" + } + set text [lindex $args end] + set text [string map [list \r\n \n] $text] ;#review - option? + + set arglist [lrange $args 0 end-1] + set defaults [dict create\ + -block {trimhead1 trimtail1}\ + -line {}\ + -commandprefix ""\ + -ansiresets 0\ + ] + dict for {o v} $arglist { + switch -- $o { + -block - -line - -commandprefix - -ansiresets {} + default { + error "linelist: Unrecognized option '$o' usage:$usage" + } + } + } + set opts [dict merge $defaults $arglist] + # -- --- --- --- --- --- + set opt_block [dict get $opts -block] + if {[llength $opt_block]} { + foreach bo $opt_block { + switch -- $bo { + trimhead - trimtail - triminner - trimall - trimhead1 - trimtail1 - collateempty {} + default { + set known_blockopts [list trimhead trimtail triminner trimall trimhead1 trimtail1 collateempty] + error "linelist: unknown -block option value: $bo known values: $known_blockopts" + } + } + } + #normalize certain combos + if {[set posn [lsearch $opt_block trimhead1]] >=0 && "trimhead" in $opt_block} { + set opt_block [lreplace $opt_block $posn $posn] + } + if {[set posn [lsearch $opt_block trimtail1]] >=0 && "trimtail" in $opt_block} { + set opt_block [lreplace $opt_block $posn $posn] + } + if {"trimall" in $opt_block} { + #no other block options make sense in combination with this + set opt_block [list "trimall"] + } + + #TODO + if {"triminner" in $opt_block } { + error "linelist -block triminner not implemented - sorry" + } + + } + + + # -- --- --- --- --- --- + set opt_line [dict get $opts -line] + foreach lo $opt_line { + switch -- $lo { + trimline - trimleft - trimright {} + default { + set known_lineopts [list trimline trimleft trimright] + error "linelist: unknown -line option value: $lo known values: $known_lineopts" + } + } + } + #normalize trimleft trimright combo + if {"trimleft" in $opt_line && "trimright" in $opt_line} { + set opt_line [list "trimline"] + } + # -- --- --- --- --- --- + set opt_commandprefix [dict get $opts -commandprefix] + # -- --- --- --- --- --- + set opt_ansiresets [dict get $opts -ansiresets] + # -- --- --- --- --- --- + set linelist [list] + set nlsplit [split $text \n] + if {![llength $opt_line]} { + set linelist $nlsplit + #lappend linelist {*}$nlsplit + } else { + foreach ln $nlsplit { + #already normalized trimleft+trimright to trimline + if {"trimline" in $opt_line} { + lappend linelist [string trim $ln] + } elseif {"trimleft" in $opt_line} { + lappend linelist [string trimleft $ln] + } elseif {"trimright" in $opt_line} { + lappend linelist [string trimright $ln] + } + } + } + + if {"collateempty" in $opt_block} { + set inputlist $linelist[set linelist [list]] + set last "-" + foreach input $inputlist { + if {$input ne ""} { + lappend linelist $input + set last "-" + } else { + if {$last ne ""} { + lappend linelist "" + } + set last "" + } + } + } + + if {"trimall" in $opt_block} { + set linelist [lsearch -all -inline -not -exact $linelist[set linelist {}] ""] + } else { + set start 0 + if {"trimhead" in $opt_block} { + set idx 0 + set lastempty -1 + foreach ln $linelist { + if {[lindex $linelist $idx] ne ""} { + break + } else { + set lastempty $idx + } + incr idx + } + if {$lastempty >=0} { + set start [expr {$lastempty +1}] + } + } + set linelist [lrange $linelist $start end] + + if {"trimtail" in $opt_block} { + set revlinelist [lreverse $linelist][set linelist {}] + set i 0 + foreach ln $revlinelist { + if {$ln ne ""} { + set linelist [lreverse [lrange $revlinelist $i end]] + break + } + incr i + } + } + + # --- --- + set start 0 + set end "end" + if {"trimhead1" in $opt_block} { + if {[lindex $linelist 0] eq ""} { + set start 1 + } + } + if {"trimtail1" in $opt_block} { + if {[lindex $linelist end] eq ""} { + set end "end-1" + } + } + set linelist [lrange $linelist $start $end] + } + + #review - we need to make sure ansiresets don't accumulate/grow on any line + #Each resulting line should have a reset of some type at start and a pure-reset at end to stop + #see if we can find an ST sequence that most terminals will not display for marking sections? + if {$opt_ansiresets} { + set RST [a] + set replaycodes $RST ;#todo - default? + set transformed [list] + #shortcircuit common case of no ansi + if {![punk::ansi::ta::detect $linelist]} { + foreach ln $linelist { + lappend transformed $RST$ln$RST + } + set linelist $transformed + } else { + + #INLINE punk::ansi::codetype::is_sgr_reset + #regexp {\x1b\[0*m$} $code + set re_is_sgr_reset {\x1b\[0*m$} + #INLINE punk::ansi::codetype::is_sgr + #regexp {\033\[[0-9;:]*m$} $code + set re_is_sgr {\x1b\[[0-9;:]*m$} + + foreach ln $linelist { + #set is_replay_pure_reset [regexp {\x1b\[0*m$} $replaycodes] ;#only looks at tail code - but if tail is pure reset - any prefix is ignorable + + set ansisplits [punk::ansi::ta::split_codes_single $ln] + if {[llength $ansisplits]<= 1} { + #plaintext only - no ansi codes in line + lappend transformed [string cat $replaycodes $ln $RST] + #leave replaycodes as is for next line + set nextreplay $replaycodes + } else { + set tail $RST + set lastcode [lindex $ansisplits end-1] ;#may or may not be SGR + if {[punk::ansi::codetype::is_sgr_reset $lastcode]} { + if {[lindex $ansisplits end] eq ""} { + #last plaintext is empty. So the line is already suffixed with a reset + set tail "" + set nextreplay $RST + } else { + #trailing text has been reset within line - but no tail reset present + #we normalize by putting a tail reset on anyway + set tail $RST + set nextreplay $RST + } + } elseif {[lindex $ansisplits end] ne "" && [punk::ansi::codetype::has_sgr_leadingreset $lastcode]} { + #No tail reset - and no need to examine whole line to determine stack that is in effect + set tail $RST + set nextreplay $lastcode + } else { + #last codeset doesn't reset from earlier codes or isn't SGR - so we have to look at whole line to determine codes in effect + #last codeset doesn't end in a pure-reset + #whether code was at very end or not - add a reset tail + set tail $RST + #determine effective replay for line + set codestack [list start] + foreach {pt code} $ansisplits { + if {[punk::ansi::codetype::is_sgr_reset $code]} { + set codestack [list] ;#different from 'start' marked - this means we've had a reset + } elseif {[punk::ansi::codetype::has_sgr_leadingreset $code]} { + set codestack [list $code] + } else { + if {[punk::ansi::codetype::is_sgr $code]} { + lappend codestack $code + } ;#else gx0 or other code - we don't want to stack it with SGR codes + } + } + if {$codestack eq [list start]} { + #No SGRs - may have been other codes + set line_has_sgr 0 + } else { + #list is either empty or begins with start - empty means it had SGR reset - so it still invalidates current state of replaycodes + set line_has_sgr 1 + if {[lindex $codestack 0] eq "start"} { + set codestack [lrange $codestack 1 end] + } + } + + set newreplay [join $codestack ""] + if {$line_has_sgr && $newreplay ne $replaycodes} { + #adjust if it doesn't already does a reset at start + if {[punk::ansi::codetype::has_sgr_leadingreset $newreplay]} { + set nextreplay $newreplay + } else { + set nextreplay $RST$newreplay + } + } else { + set nextreplay $replaycodes + } + } + if {[punk::ansi::codetype::has_sgr_leadingreset $ln]} { + #no point attaching any replay + lappend transformed [string cat $ln $tail] + } else { + lappend transformed [string cat $replaycodes $ln $tail] + } + } + set replaycodes $nextreplay + } + set linelist $transformed + } + } + + if {[llength $opt_commandprefix]} { + set transformed [list] + foreach ln $linelist { + lappend transformed [{*}$opt_commandprefix $ln] + } + set linelist $transformed + } + + return $linelist + } + + #maintenance - take over from punk::args - or put back in punk::args once fixed to support pipeline argument order + #possible improvements - after the 1st call, replace the callsite in the calling proc with an inline script to process and validate the arguments as specified in optionspecs + #This would require a tcl parser .. and probably lots of other work + #It would also probably only be practical if there are no dynamic entries in the optionspecs. An option for opts_values to indicate the caller wants this optimisation would probably be best. + + #generally we expect values to contain leading dashes only if -- specified. Otherwise no reliable way determine difference between bad flags and values + #If no eopts (--) specified we stop looking for opts at the first nondash encountered in a position we'd expect a dash - so without eopt, values could contain dashes - but not in first position after flags. + #only supports -flag val pairs, not solo options + #If an option is supplied multiple times - only the last value is used. + proc opts_values {args} { + #*** !doctools + #[call [fun opts_values] [opt {option value...}] [arg optionspecs] [arg rawargs] ] + #[para]Parse rawargs as a sequence of zero or more option-value pairs followed by zero or more values + #[para]Returns a dict of the form: opts values + #[para]ARGUMENTS: + #[list_begin arguments] + #[arg_def multiline-string optionspecs] + #[para] This a block of text with records delimited by newlines (lf or crlf) - but with multiline values allowed if properly quoted/braced + #[para]'info complete' is used to determine if a record spans multiple lines due to multiline values + #[para]Each optionspec line must be of the form: + #[para]-optionname -key val -key2 val2... + #[para]where the valid keys for each option specification are: -default -type -range -choices -optional + #[arg_def list rawargs] + #[para] This is a list of the arguments to parse. Usually it will be the \$args value from the containing proc + #[list_end] + #[para] + + #consider line-processing example below for we need info complete to determine record boundaries + #punk::lib::opt_values { + # -opt1 -default {} + # -opt2 -default { + # etc + # } -multiple 1 + #} $args + + #-- cannot be used to allow opts_values itself to accept rawargs as separate values - so it doesn't serve much purpose other than as an indicator of intention + #For consistency we support it anyway. + #we have to be careful with end-of-options flag -- + #It may legitimately be the only value in the rawargs list (which is a bit odd - but possible) or it may occur immediately before optionspecs and rawargs + #if there is more than one entry in rawargs - we won't find it anyway - so that's ok + set eopts_posn [lsearch $args --] + if {$eopts_posn == ([llength $args]-1)} { + #sole argument in rawargs - not the one we're looking for + set eopts_posn -1 + } + if {$eopts_posn >= 0} { + set ov_opts [lrange $args 0 $eopts_posn-1] + set ov_vals [lrange $args $eopts_posn+1 end] + } else { + set ov_opts [lrange $args 0 end-2] + set ov_vals [lrange $args end-1 end] + } + if {[llength $ov_vals] < 2 || [llength $ov_opts] %2 != 0} { + error "opts_args wrong # args: should be opts_values ?opt val?... optionspecs rawargs_as_list + } + set optionspecs [lindex $ov_vals 0] + set optionspecs [string map [list \r\n \n] $optionspecs] + + set rawargs [lindex $ov_vals 1] + + set optspec_defaults [dict create\ + -optional 1\ + -allow_ansi 1\ + -validate_without_ansi 0\ + -strip_ansi 0\ + -nocase 0\ + ] + set required_opts [list] + set required_vals [list] + set arg_info [dict create] + set defaults_dict_opts [dict create] + set defaults_dict_values [dict create] + #first process dashed and non-dashed argspecs without regard to whether non-dashed are at the beginning or end + set value_names [list] + + set records [list] + set linebuild "" + foreach rawline [split $optionspecs \n] { + set recordsofar [string cat $linebuild $rawline] + if {![info complete $recordsofar]} { + append linebuild [string trimleft $rawline] \n + } else { + lappend records [string cat $linebuild $rawline] + set linebuild "" + } + } + + foreach ln $records { + set trimln [string trim $ln] + switch -- [string index $trimln 0] { + "" - # {continue} + } + set argname [lindex $trimln 0] + set argspecs [lrange $trimln 1 end] + if {[llength $argspecs] %2 != 0} { + error "punk::lib::opts_values - bad optionspecs line for argument '$argname' Remaining items on line must be in paired option-value format - received '$argspecs'" + } + if {[string match -* $argname]} { + dict set argspecs -ARGTYPE option + set is_opt 1 + } else { + dict set argspecs -ARGTYPE value + lappend value_names $argname + set is_opt 0 + } + dict for {spec specval} $argspecs { + switch -- $spec { + -default - -type - -range - -choices - -nocase - -optional - -multiple - -validate_without_ansi - -allow_ansi - -strip_ansi - -ARGTYPE {} + default { + set known_argspecs [list -default -type -range -choices -nocase -optional -multiple -validate_without_ansi -allow_ansi -strip_ansi -ARGTYPE] + error "punk::lib::opts_values - unrecognised key '$spec' in specifications for argument '$argname' Known option specification keys: $known_argspecs" + } + } + } + set argspecs [dict merge $optspec_defaults $argspecs] + dict set arg_info $argname $argspecs + if {![dict get $argspecs -optional]} { + if {$is_opt} { + lappend required_opts $argname + } else { + lappend required_vals $argname + } + } + if {[dict exists $arg_info $argname -default]} { + if {$is_opt} { + dict set defaults_dict_opts $argname [dict get $arg_info $argname -default] + } else { + dict set defaults_dict_values $argname [dict get $arg_info $argname -default] + } + } + } + + #puts "--> [info frame -2] <--" + set cmdinfo [dict get [info frame -2] cmd] + #we can't treat cmdinfo as a list - it may be something like {command {*}$args} in which case lindex $cmdinfo 0 won't work + #hopefully first word is a plain proc name if this function was called in the normal manner - directly from a proc + #we will break at first space and assume the lhs of that will give enough info to be reasonable - (alternatively we could use entire cmdinfo - but it might be big and ugly) + set caller [regexp -inline {\S+} $cmdinfo] + + #if called from commandline or some other contexts such as outside of a proc in a namespace - caller may just be "namespace" + if {$caller eq "namespace"} { + set caller "punk::lib::opts_values called from namespace" + } + + # ------------------------------ + if {$caller ne "punk::lib::opts_values"} { + #1) check our caller's call to us - recursive version - perhaps more elegant to eat our own dogfood - but maybe too much overhead for a script-based args processor which is already quite heavy :/ + #lassign [punk::lib::opts_values "-anyopts -default 0 -type integer\n -minvalues -default 0 -type integer\n -maxvalues -default -1 -type integer" $args] _o ownopts _v ownvalues + #if {[dict size $ownvalues] != 2} { + # error "punk::lib::opts_values expected: a multiline text block of option-specifications, a list of args and at most three option pairs -minvalues , -maxvalues , -anyopts true|false - got extra arguments: '$ownvalues'" + #} + #set opt_minvalues [dict get $ownopts -minvalues] + #set opt_maxvalues [dict get $ownopts -maxvalues] + #set opt_anyopts [dict get $ownopts -anyopts] + + #2) Quick and dirty - but we don't need much validation + set defaults [dict create\ + -minvalues 0\ + -maxvalues -1\ + -anyopts 0\ + ] + dict for {k v} $ov_opts { + if {$k ni {-minvalues -maxvalues -anyopts}} { + error "punk::lib::opts_values unrecognised option $k. Known values [dict keys $defaults]" + } + if {![string is integer -strict $v]} { + error "punk::lib::opts_values argument $k must be of type integer" + } + } + set ov_opts [dict merge $defaults $ov_opts] + set opt_minvalues [dict get $ov_opts -minvalues] + set opt_maxvalues [dict get $ov_opts -maxvalues] + set opt_anyopts [dict get $ov_opts -anyopts] + } else { + #don't recurse ie don't check our own args if we called ourself + set opt_minvalues 2 + set opt_maxvalues 2 + set opt_anyopts 0 + } + # ------------------------------ + + if {[set eopts [lsearch $rawargs "--"]] >= 0} { + set values [lrange $rawargs $eopts+1 end] + set arglist [lrange $rawargs 0 $eopts-1] + } else { + if {[lsearch $rawargs -*] >= 0} { + #to support option values with leading dash e.g -offset -1 , we can't just take the last flagindex + set i 0 + foreach {k v} $rawargs { + if {![string match -* $k]} { + break + } + if {$i+1 >= [llength $rawargs]} { + #no value for last flag + error "bad options for $caller. No value supplied for last option $k" + } + incr i 2 + } + set arglist [lrange $rawargs 0 $i-1] + set values [lrange $rawargs $i end] + } else { + set arglist [list] + set values $rawargs ;#no -flags detected + } + } + #confirm any valnames before last don't have -multiple key + foreach valname [lrange $value_names 0 end-1] { + if {[dict exists $arg_info $valname -multiple ]} { + error "bad key -multiple on argument spec for '$valname'. Only the last value argument specification can be marked -multiple" + } + } + set values_dict [dict create] + set validx 0 + set in_multiple "" + foreach valname $value_names val $values { + if {$validx+1 > [llength $values]} { + break + } + if {$valname ne ""} { + if {[dict exists $arg_info $valname -multiple] && [dict get $arg_info $valname -multiple]} { + dict lappend values_dict $valname $val + set in_multiple $valname + } else { + dict set values_dict $valname $val + } + } else { + if {$in_multiple ne ""} { + dict lappend values_dict $in_multiple $val + } else { + dict set values_dict $validx $val + } + } + incr validx + } + + if {$opt_maxvalues == -1} { + #only check min + if {[llength $values] < $opt_minvalues} { + error "bad number of trailing values for $caller. Got [llength $values] values. Expected at least $opt_minvalues" + } + } else { + if {[llength $values] < $opt_minvalues || [llength $values] > $opt_maxvalues} { + if {$opt_minvalues == $opt_maxvalues} { + error "bad number of trailing values for $caller. Got [llength $values] values. Expected exactly $opt_minvalues" + } else { + error "bad number of trailing values for $caller. Got [llength $values] values. Expected between $opt_minvalues and $opt_maxvalues inclusive" + } + } + } + #opts explicitly marked as -optional 0 must be present - regardless of -anyopts (which allows us to ignore additional opts to pass on to next call) + #however - if -anyopts is true, there is a risk we will treat a shortened option name as matching our default - when it was intended for the next call + #We will always require exact matches for all required opts to avoid this risk, even though an ultimately-called function may not require the full-length option-name REVIEW + #The aim is to allow a wrapper function to specify a default value for an option (and/or other changes/restrictions to a particular option or two) - without having to re-specify all the options for the underlying function. + #without full respecification in the wrapper - we can't know that a supplied prefix is unambiguous at the next level + #For this reason we need to pass on full-length opts for any defined options in the wrapper even if anyopts is true + set argnamespresent [dict keys $arglist] + foreach r $required_opts { + if {$r ni $argspresent} { + error "Required option missing for $caller. '$r' is marked with -optional false - so must be present in its full-length form" + } + } + set valuenamespresent [dict keys $values_dict] + foreach r $required_vals { + if {$r ni $valuenamespresent} { + error "Required value missing for $caller. '$r' is marked with -optional false - so must be present" + } + } + if {!$opt_anyopts} { + set checked_args [dict create] + for {set i 0} {$i < [llength $arglist]} {incr i} { + #allow this to error out with message indicating expected flags + set val [lindex $arglist $i+1] + set fullopt [tcl::prefix match -message "options for $caller. Unexpected option" [dict keys $arg_info] [lindex $arglist $i]] + if {[dict exists $arg_info $fullopt -multiple] && [dict get $arg_info $fullopt -multiple]} { + dict lappend checked_args $fullopt $val + } else { + dict set checked_args $fullopt $val + } + incr i ;#skip val + } + } else { + #still need to use tcl::prefix match to normalize - but don't raise an error + set checked_args [dict create] + dict for {k v} $arglist { + if {![catch {tcl::prefix::match [dict keys $arg_info] $k} fullopt]} { + if {[dict exists $arg_info $fullopt -multiple] && [dict get $arg_info $fullopt -multiple]} { + dict lappend checked_args $fullopt $v + } else { + dict set checked_args $fullopt $v + } + } else { + #opt was unspecified + dict set checked_args $k $v + } + } + } + set opts [dict merge $defaults_dict_opts $checked_args] + #assert - checked_args keys are full-length option names if -anyopts was false or if the supplied option as a shortname matched one of our defined options + + set values [dict merge $defaults_dict_values $values_dict] + + #todo - allow defaults outside of choices/ranges + + #check types,ranges,choices + set opts_and_values [concat $opts $values] + set combined_defaults [concat $defaults_dict_values $defaults_dict_opts] ;#can be no key collisions - we don't allow a value key beginning with dash - opt names must begin with dash + dict for {o v} $opts_and_values { + if {[dict exists $arg_info $o -multiple] && [dict get $arg_info $o -multiple]} { + set vlist $v + } else { + set vlist [list $v] + } + + if {[dict exists $arg_info $o -validate_without_ansi] && [dict get $arg_info $o -validate_without_ansi]} { + set validate_without_ansi 1 + package require punk::ansi + } else { + set validate_without_ansi 0 + } + if {[dict exists $arg_info $o -allow_ansi] && [dict get $arg_info $o -allow_ansi]} { + set allow_ansi 1 + } else { + #ironically - we need punk::ansi to detect and disallow - but we don't need it if ansi is allowed + package require punk::ansi + set allow_ansi 0 + } + if {!$allow_ansi} { + foreach e $vlist { + if {[punk::ansi::ta::detect $e]} { + error "Option $o for $caller contains ansi - but -allow_ansi is false. Received: '$e'" + } + } + } + + set vlist_check [list] + foreach e $vlist { + if {$validate_without_ansi} { + lappend vlist_check [punk::ansi::stripansi $e] + } else { + lappend vlist_check $e + } + } + + set is_default 0 + foreach e $vlist e_check $vlist_check { + if {[dict exists $combined_defaults $o] && ($e_check eq [dict get $combined_defaults $o])} { + incr is_default + } + } + if {$is_default eq [llength $vlist]} { + set is_default true + } + #we want defaults to pass through - even if they don't pass the checks that would be required for a specified value + #If the caller manually specified a value that happens to match the default - we don't detect that as any different from an unspecified value - Review. + if {!$is_default} { + if {[dict exists $arg_info $o -type]} { + set type [dict get $arg_info $o -type] + set ltype [string tolower $type] + switch -- $type { + int - + integer - + double { + switch -- $ltype { + int - + integer { + foreach e $vlist e_check $vlist_check { + if {![string is integer -strict $e_check]} { + error "Option $o for $caller requires type 'integer'. Received: '$e'" + } + } + } + double { + foreach e $vlist e_check $vlist_check { + if {![string is double -strict $e_check]} { + error "Option $o for $caller requires type 'double'. Received: '$e'" + } + } + } + } + #todo - small-value double comparisons with error-margin? review + if {[dict exists $arg_info $o -range]} { + lassign [dict get $arg_info $o -range] low high + foreach e $vlist e_check $vlist_check { + if {$e_check < $low || $e_check > $high} { + error "Option $o for $caller must be between $low and $high. Received: '$e'" + } + } + } + } + bool - + boolean { + foreach e $vlist e_check $vlist_check { + if {![string is boolean -strict $e_check]} { + error "Option $o for $caller requires type 'boolean'. Received: '$e'" + } + } + } + alnum - + alpha - + ascii - + control - + digit - + graph - + lower - + print - + punct - + space - + upper - + wordchar - + xdigit { + foreach e $vlist e_check $vlist_check { + if {![string is [string tolower $type] $e_check]} { + error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e'" + } + } + } + file - + directory - + existingfile - + existingdirectory { + foreach e $vlist e_check $vlist_check { + if {!([string length $e_check]>0 && ![regexp {[\"*?<>\;]} $e_check])} { + error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which doesn't look like it could be a file or directory" + } + } + if {[string tolower $type] in {existingfile}} { + foreach e $vlist e_check $vlist_check { + if {![file exists $e_check]} { + error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which is not an existing file" + } + } + } elseif {[string tolower $type] in {existingdirectory}} { + foreach e $vlist e_check $vlist_check { + if {![file isdirectory $e_check]} { + error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which is not an existing directory" + } + } + } + } + char - + character { + foreach e $vlist e_check $vlist_check { + if {[string length != 1]} { + error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which is not a single character" + } + } + } + } + } + if {[dict exists $arg_info $o -choices]} { + set choices [dict get $arg_info $o -choices] + set nocase [dict get $arg_info $o -nocase] + foreach e $vlist e_check $vlist_check { + if {$nocase} { + set casemsg "(case insensitive)" + set choices_test [string tolower $choices] + set v_test [string tolower $e_check] + } else { + set casemsg "(case sensitive)" + set v_test $e_check + set choices_test $choices + } + if {$v_test ni $choices_test} { + error "Option $o for $caller must be one of the listed values $choices $casemsg. Received: '$e'" + } + } + } + } + if {[dict exists $arg_info $o -strip_ansi] && [dict get $arg_info $o -strip_ansi]} { + set stripped_list [list] + foreach e $vlist { + lappend stripped_list [punk::ansi::stripansi $e] + } + if {[dict exists $arg_info $o -multiple] && [dict get $arg_info $o -multiple]} { + if {[dict get $arg_info $o -ARGTYPE] eq "option"} { + dict set opts $o $stripped_list + } else { + dict set values $o $stripped_list + } + } else { + if {[dict get $arg_info $o -ARGTYPE] eq "option"} { + dict set opts $o [lindex $stripped_list 0] + } else { + dict set values [lindex $stripped_list 0] + } + } + } + } + + #maintain order of opts $opts values $values as caller may use lassign. + return [dict create opts $opts values $values] + } + + #tcl8.7/9 compatibility for 8.6 + if {[info commands ::tcl::string::insert] eq ""} { + #https://wiki.tcl-lang.org/page/string+insert + # Pure Tcl implementation of [string insert] command. + proc ::tcl::string::insert {string index insertString} { + # Convert end-relative and TIP 176 indexes to simple integers. + if {[regexp -expanded { + ^(end(?![\t\n\v\f\r ]) # "end" is never followed by whitespace + |[\t\n\v\f\r ]*[+-]?\d+) # m, with optional leading whitespace + (?:([+-]) # op, omitted when index is "end" + ([+-]?\d+))? # n, omitted when index is "end" + [\t\n\v\f\r ]*$ # optional whitespace (unless "end") + } $index _ m op n]} { + # Convert first index to an integer. + switch $m { + end {set index [string length $string]} + default {scan $m %d index} + } + + # Add or subtract second index, if provided. + switch $op { + + {set index [expr {$index + $n}]} + - {set index [expr {$index - $n}]} + } + } elseif {![string is integer -strict $index]} { + # Reject invalid indexes. + return -code error "bad index \"$index\": must be\ + integer?\[+-\]integer? or end?\[+-\]integer?" + } + + # Concatenate the pre-insert, insertion, and post-insert strings. + string cat [string range $string 0 [expr {$index - 1}]] $insertString\ + [string range $string $index end] + } + + # Bind [string insert] to [::tcl::string::insert]. + namespace ensemble configure string -map [dict replace\ + [namespace ensemble configure string -map]\ + insert ::tcl::string::insert] + } + + interp alias {} errortime {} punk::lib::errortime + proc errortime {script groupsize {iters 2}} { + #by use MAK from https://wiki.tcl-lang.org/page/How+to+Measure+Performance + set i 0 + set times {} + if {$iters < 2} {set iters 2} + + for {set i 0} {$i < $iters} {incr i} { + set result [uplevel [list time $script $groupsize]] + lappend times [lindex $result 0] + } + + set average 0.0 + set s2 0.0 + + foreach time $times { + set average [expr {$average + double($time)/$iters}] + } + + foreach time $times { + set s2 [expr {$s2 + (($time-$average)*($time-$average) / ($iters-1))}] + } + + set sigma [expr {int(sqrt($s2))}] + set average [expr int($average)] + + return "$average +/- $sigma microseconds per iteration" + } + proc switch_char_test {c} { + set dec [scan $c %c] + foreach t [list 1 2 3] { + switch -- $c { + x { + return [list $dec x $t] + } + y { + return [list $dec y $t] + } + z { + return [list $dec z $t] + } + } + } + + #curlies must be unescaped and unbraced to work as literals in switch and enable it to compile to jumpTable + switch -- $c { + a { + return [list $dec a] + } + {"} { + return [list $dec dquote] + } + {[} {return [list $dec lb]} + {]} {return [list $dec rb]} + "{" { + return [list $dec lbrace] + } + "}" { + return [list $dec rbrace] + } + default { + return [list $dec $c] + } + } + + + + } + + #we are interested in seeing jumpTable line and following lines up until next line starting with "Command" or bracketed number e.g (164) + proc show_jump_tables {procname} { + set data [tcl::unsupported::disassemble proc $procname] + set result "" + set in_jt 0 + foreach ln [split $data \n] { + set tln [string trim $ln] + if {!$in_jt} { + if {[string match *jumpTable* $ln]} { + append result $ln \n + set in_jt 1 + } + } else { + if {[string match Command* $tln] || [string match "(*) *" $tln]} { + set in_jt 0 + } else { + append result $ln \n + } + } + } + return $result + } + + #*** !doctools + #[list_end] [comment {--- end definitions namespace punk::lib ---}] +} +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ + + + + + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +#todo - way to generate 'internal' docs separately? +#*** !doctools +#[section Internal] +namespace eval punk::lib::system { + #*** !doctools + #[subsection {Namespace punk::lib::system}] + #[para] Internal functions that are not part of the API + #[list_begin definitions] + + proc mostFactorsBelow {n} { + ##*** !doctools + #[call [fun mostFactorsBelow] [arg n]] + #[para]Find the number below $n which has the greatest number of factors + #[para]This will get slow quickly as n increases (100K = 1s+ 2024) + set most 0 + set mostcount 0 + for {set i 1} {$i < $n} {incr i} { + set fc [llength [punk::lib::factors $i]] + if {$fc > $mostcount} { + set most $i + set mostcount $fc + } + } + return [list number $most numfactors $mostcount] + } + proc factorCountBelow_punk {n} { + ##*** !doctools + #[call [fun factorCountBelow] [arg n]] + #[para]For numbers 1 to n - keep a tally of the total count of factors + #[para]This is not useful other than a quick and dirty check that different algorithms return *probably* the same result + #[para]and as a rudimentary performance comparison + #[para]gets slow quickly! + set tally 0 + for {set i 1} {$i <= $n} {incr i} { + incr tally [llength [punk::lib::factors $i]] + } + return $tally + } + proc factorCountBelow_numtheory {n} { + ##*** !doctools + #[call [fun factorCountBelow] [arg n]] + #[para]For numbers 1 to n - keep a tally of the total count of factors + #[para]This is not useful other than a quick and dirty check that different algorithms return *probably* the same result + #[para]and as a rudimentary performance comparison + #[para]gets slow quickly! (significantly slower than factorCountBelow_punk) + package require math::numtheory + set tally 0 + for {set i 1} {$i <= $n} {incr i} { + incr tally [llength [math::numtheory::factors $i]] + } + return $tally + } + + proc factors2 {x} { + ##*** !doctools + #[call [fun factors2] [arg x]] + #[para]Return a sorted list of factors of x + #[para]A similar brute-force mechanism to factors - but keeps result ordering as we go. + set smallfactors [list 1] + set j 2 + set max [expr {sqrt($x)}] + while {$j < $max} { + if {($x % $j) == 0} { + lappend smallfactors $j + lappend largefactors [expr {$x / $j}] + } + incr j + } + #handle sqrt outside loop so we don't have to sort/dedup or check list membership in main loop + if {($x % $j) == 0} { + if {$j == ($x / $j)} { + lappend smallfactors $j + } + } + return [concat $smallfactors [lreverse $largefactors] $x] + } + + # incomplte - report which is the innermost bracket/quote etc awaiting completion for a Tcl command + #important - used by punk::repl + proc incomplete {partial} { + #we can apparently get away without concatenating current innerpartial to previous in list - REVIEW. + if {[info complete $partial]} { + return [list] + } + set clist [split $partial ""] + #puts stderr "-->$clist<--" + set waiting [list ""] + set innerpartials [list ""] + set escaped 0 + set i 0 + foreach c $clist { + if {$c eq "\\"} { + set escaped [expr {!$escaped}] + incr i + continue + } ;# set escaped 0 at end + set p [lindex $innerpartials end] + if {$escaped == 0} { + #NOTE - curly braces as switch arm keys must be unescaped and balanced. (escapes stop byte-compilation to jumpTable for switch statements for tcl8.6/8.7 at least) + switch -- $c { + {"} { + if {![info complete ${p}]} { + lappend waiting {"} + lappend innerpartials "" + } else { + if {[lindex $waiting end] eq {"}} { + #this quote is endquote + set waiting [lrange $waiting 0 end-1] + set innerpartials [lrange $innerpartials 0 end-1] + } else { + if {![info complete ${p}$c]} { + lappend waiting {"} + lappend innerpartials "" + } else { + set p ${p}${c} + lset innerpartials end $p + } + } + } + } + {[} { + if {![info complete ${p}$c]} { + lappend waiting "\]" + lappend innerpartials "" + } else { + set p ${p}${c} + lset innerpartials end $p + } + } + "{" { + if {![info complete ${p}$c]} { + lappend waiting "\}" + lappend innerpartials "" + } else { + set p ${p}${c} + lset innerpartials end $p + } + } + "}" - + default { + set waitingfor [lindex $waiting end] + if {$c eq "$waitingfor"} { + set waiting [lrange $waiting 0 end-1] + set innerpartials [lrange $innerpartials 0 end-1] + } else { + set p ${p}${c} + lset innerpartials end $p + } + } + } + } else { + set p ${p}${c} + lset innerpartials end $p + } + set escaped 0 + incr i + } + set incomplete [list] + foreach w $waiting { + #to be treated as literals - curly braces must be unescaped here - and balanced - hence the left-curly empty arm. + switch -- $w { + {"} { + lappend incomplete $w + } + {]} { + lappend incomplete "\[" + } + "{" {} + "}" { + lappend incomplete "\{" + } + } + } + set debug 0 + if {$debug} { + foreach w $waiting p $innerpartials { + puts stderr "->awaiting:'$w' partial: $p" + } + } + return $incomplete + } + #This only works for very simple cases will get confused with for example: + # {set x "a["""} + proc incomplete_naive {partial} { + if {[info complete $partial]} { + return [list] + } + set clist [split $partial ""] + set waiting [list] + set escaped 0 + foreach c $clist { + if {$c eq "\\"} { + set escaped [expr {!$escaped}] + continue + } + if {!$escaped} { + if {$c eq {"}} { + if {[lindex $waiting end] eq {"}} { + set waiting [lrange $waiting 0 end-1] + } else { + lappend waiting {"} + } + } elseif {$c eq "\["} { + lappend waiting "\]" + } elseif {$c eq "\{"} { + lappend waiting "\}" + } else { + set waitingfor [lindex $waiting end] + if {$c eq "$waitingfor"} { + set waiting [lrange $waiting 0 end-1] + } + } + } + } + set incomplete [list] + foreach w $waiting { + if {$w eq {"}} { + lappend incomplete $w + } elseif {$w eq "\]"} { + lappend incomplete "\[" + } elseif {$w eq "\}"} { + lappend incomplete "\{" + } + } + return $incomplete + } + + #*** !doctools + #[list_end] [comment {--- end definitions namespace punk::lib::system ---}] +} +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +## Ready +package provide punk::lib [namespace eval punk::lib { + variable pkg punk::lib + variable version + set version 0.1.1 +}] +return + +#*** !doctools +#[manpage_end] + diff --git a/src/bootsupport/modules/punk/mix/base-0.1.tm b/src/bootsupport/modules/punk/mix/base-0.1.tm index e9977bec..ad4e86a3 100644 --- a/src/bootsupport/modules/punk/mix/base-0.1.tm +++ b/src/bootsupport/modules/punk/mix/base-0.1.tm @@ -494,9 +494,13 @@ namespace eval punk::mix::base { if {[catch {file type $path} ftype]} { return [list cksum "" opts $opts] } - if {$ftype ni [list file directory]} { - #review - links? - error "cksum_path error file type '$ftype' not supported" + + #review - links? + switch -- $ftype { + file - directory {} + default { + error "cksum_path error file type '$ftype' not supported" + } } @@ -512,54 +516,65 @@ namespace eval punk::mix::base { set opt_cksum_meta [dict get $opts -cksum_meta] set opt_use_tar [dict get $opts -cksum_usetar] - if {$ftype eq "file"} { - if {$opt_use_tar eq "auto"} { - if {$opt_cksum_meta eq "1"} { - set opt_use_tar 1 - } else { - #prefer no tar if meta not required - faster/simpler - #meta == auto or 0 - set opt_cksum_meta 0 - set opt_use_tar 0 - } - } elseif {$opt_use_tar eq "0"} { - if {$opt_cksum_meta eq "1"} { - puts stderr "cksum_path doesn't yet support a non-tar cksum with metadata for a file" - return [list error unsupported_meta_without_tar cksum "" opts $opts] - } else { - #meta == auto or 0 - set opt_cksum_meta 0 - } - } else { - #tar == 1 - if {$opt_cksum_meta eq "0"} { - puts stderr "cksum_path doesn't yet support a tar cksum without metadata for a file" - return [list error unsupported_tar_without_meta cksum "" opts $opts] - } else { - #meta == auto or 1 - set opt_cksum_meta 1 + switch -- $ftype { + file { + switch -- $opt_use_tar { + auto { + if {$opt_cksum_meta eq "1"} { + set opt_use_tar 1 + } else { + #prefer no tar if meta not required - faster/simpler + #meta == auto or 0 + set opt_cksum_meta 0 + set opt_use_tar 0 + } + } + 0 { + if {$opt_cksum_meta eq "1"} { + puts stderr "cksum_path doesn't yet support a non-tar cksum with metadata for a file" + return [list error unsupported_meta_without_tar cksum "" opts $opts] + } else { + #meta == auto or 0 + set opt_cksum_meta 0 + } + } + default { + #tar == 1 + if {$opt_cksum_meta eq "0"} { + puts stderr "cksum_path doesn't yet support a tar cksum without metadata for a file" + return [list error unsupported_tar_without_meta cksum "" opts $opts] + } else { + #meta == auto or 1 + set opt_cksum_meta 1 + } + } } } - } elseif {$ftype eq "directory"} { - if {$opt_use_tar eq "auto"} { - if {$opt_cksum_meta in [list "auto" "1"]} { - set opt_use_tar 1 - set opt_cksum_meta 1 - } else { - puts stderr "cksum_path doesn't yet support a content-only cksum of a folder structure. Currently only files supported without metadata. For folders use cksum_path -cksum_meta 1 or auto" - return [list error unsupported_directory_cksum_without_meta cksum "" opts $opts] - } - } elseif {$opt_use_tar eq "0"} { - puts stderr "cksum_path doesn't yet support a cksum of a folder structure without tar. Currently only files supported without metadata. For folders use cksum_path -cksum_meta 1 or auto with -cksum_usetar 1 or auto" - return [list error unsupported_directory_cksum_without_tar cksum "" opts $opts] - } else { - #tar 1 - if {$opt_cksum_meta eq "0"} { - puts stderr "cksum_path doesn't yet support a tar checksum of a folder structure without metadat. Currently only files supported without metadata. For folders use cksum_path -cksum_meta 1 or auto with -cksum_usetar 1 or auto" - return [list error unsupported_without_meta cksum "" opts $opts] - } else { - #meta == auto or 1 - set opt_cksum_meta 1 + directory { + switch -- $opt_use_tar { + auto { + if {$opt_cksum_meta in [list "auto" "1"]} { + set opt_use_tar 1 + set opt_cksum_meta 1 + } else { + puts stderr "cksum_path doesn't yet support a content-only cksum of a folder structure. Currently only files supported without metadata. For folders use cksum_path -cksum_meta 1 or auto" + return [list error unsupported_directory_cksum_without_meta cksum "" opts $opts] + } + } + 0 { + puts stderr "cksum_path doesn't yet support a cksum of a folder structure without tar. Currently only files supported without metadata. For folders use cksum_path -cksum_meta 1 or auto with -cksum_usetar 1 or auto" + return [list error unsupported_directory_cksum_without_tar cksum "" opts $opts] + } + default { + #tar 1 + if {$opt_cksum_meta eq "0"} { + puts stderr "cksum_path doesn't yet support a tar checksum of a folder structure without metadat. Currently only files supported without metadata. For folders use cksum_path -cksum_meta 1 or auto with -cksum_usetar 1 or auto" + return [list error unsupported_without_meta cksum "" opts $opts] + } else { + #meta == auto or 1 + set opt_cksum_meta 1 + } + } } } } @@ -578,29 +593,36 @@ namespace eval punk::mix::base { puts stderr "cksum_path doesn't yet support cksum of entire volume. (todo)" return [list error unsupported_path opts $opts] } - - if {$opt_cksum_algorithm eq "sha1"} { - package require sha1 - set cksum_command [list sha1::sha1 -hex -file] - } elseif {$opt_cksum_algorithm in [list "sha2" "sha256"]} { - package require sha256 - set cksum_command [list sha2::sha256 -hex -file] - } elseif {$opt_cksum_algorithm eq "md5"} { - package require md5 - set cksum_command [list md5::md5 -hex -file] - } elseif {$opt_cksum_algorithm eq "cksum"} { - package require cksum ;#tcllib - set cksum_command [list crc::cksum -format 0x%X -file] - } elseif {$opt_cksum_algorithm eq "adler32"} { - set cksum_command [list cksum_adler32_file] - } elseif {$opt_cksum_algorithm in [list "sha3" "sha3-256"]} { - #todo - replace with something that doesn't call another process - #set cksum_command [list apply {{file} {lindex [exec fossil sha3sum -256 $file] 0}}] - set cksum_command [list $sha3_implementation 256] - } elseif {$opt_cksum_algorithm in [list "sha3-224" "sha3-384" "sha3-512"]} { - set bits [lindex [split $opt_cksum_algorithm -] 1] - #set cksum_command [list apply {{bits file} {lindex [exec fossil sha3sum -$bits $file] 0}} $bits] - set cksum_command [list $sha3_implementation $bits] + switch -- $opt_cksum_algorithm { + sha1 { + package require sha1 + set cksum_command [list sha1::sha1 -hex -file] + } + sha2 - sha256 { + package require sha256 + set cksum_command [list sha2::sha256 -hex -file] + } + md5 { + package require md5 + set cksum_command [list md5::md5 -hex -file] + } + cksum { + package require cksum ;#tcllib + set cksum_command [list crc::cksum -format 0x%X -file] + } + adler32 { + set cksum_command [list cksum_adler32_file] + } + sha3 - sha3-256 { + #todo - replace with something that doesn't call another process + #set cksum_command [list apply {{file} {lindex [exec fossil sha3sum -256 $file] 0}}] + set cksum_command [list $sha3_implementation 256] + } + sha3-224 - sha3-384 - sah3-512 { + set bits [lindex [split $opt_cksum_algorithm -] 1] + #set cksum_command [list apply {{bits file} {lindex [exec fossil sha3sum -$bits $file] 0}} $bits] + set cksum_command [list $sha3_implementation $bits] + } } set cksum "" diff --git a/src/bootsupport/modules/punk/mix/commandset/layout-0.1.0.tm b/src/bootsupport/modules/punk/mix/commandset/layout-0.1.0.tm index 9eede1f5..621aa00f 100644 --- a/src/bootsupport/modules/punk/mix/commandset/layout-0.1.0.tm +++ b/src/bootsupport/modules/punk/mix/commandset/layout-0.1.0.tm @@ -114,11 +114,11 @@ namespace eval punk::mix::commandset::layout { set tablewidth [expr {$widest(name) + $vsep_w + $widest(pathtype) + $vsep_w + $widest(path)}] set table "" append table [string repeat - $tablewidth] \n - append table "[textblock::join [overtype::left $col(name) $title(name)] $vsep [overtype::left $col(pathtype) $title(pathtype)] $vsep [overtype::left $col(path) $title(path)]]" \n + append table "[textblock::join -- [overtype::left $col(name) $title(name)] $vsep [overtype::left $col(pathtype) $title(pathtype)] $vsep [overtype::left $col(path) $title(path)]]" \n append table [string repeat - $tablewidth] \n foreach n $names pt $pathtypes p $paths { - append table "[textblock::join [overtype::left $col(name) $n] $vsep [overtype::left $col(pathtype) $pt] $vsep [overtype::left $col(path) $p]]" \n + append table "[textblock::join -- [overtype::left $col(name) $n] $vsep [overtype::left $col(pathtype) $pt] $vsep [overtype::left $col(path) $p]]" \n } return $table @@ -161,11 +161,11 @@ namespace eval punk::mix::commandset::layout { set tablewidth [expr {$widest(name) + $vsep_w + $widest(pathtype) + $vsep_w + $widest(path)}] set table "" append table [string repeat - $tablewidth] \n - append table "[textblock::join [overtype::left $col(name) $title(name)] $vsep [overtype::left $col(pathtype) $title(pathtype)] $vsep [overtype::left $col(path) $title(path)]]" \n + append table "[textblock::join -- [overtype::left $col(name) $title(name)] $vsep [overtype::left $col(pathtype) $title(pathtype)] $vsep [overtype::left $col(path) $title(path)]]" \n append table [string repeat - $tablewidth] \n foreach n $names pt $pathtypes p $paths { - append table "[textblock::join [overtype::left $col(name) $n] $vsep [overtype::left $col(pathtype) $pt] $vsep [overtype::left $col(path) $p]]" \n + append table "[textblock::join -- [overtype::left $col(name) $n] $vsep [overtype::left $col(pathtype) $pt] $vsep [overtype::left $col(path) $p]]" \n } return $table diff --git a/src/bootsupport/modules/punk/mix/commandset/project-0.1.0.tm b/src/bootsupport/modules/punk/mix/commandset/project-0.1.0.tm index badfa87d..1ebb6b4f 100644 --- a/src/bootsupport/modules/punk/mix/commandset/project-0.1.0.tm +++ b/src/bootsupport/modules/punk/mix/commandset/project-0.1.0.tm @@ -59,9 +59,9 @@ #[para] packages used by punk::mix::commandset::project #[list_begin itemized] -package require Tcl 8.6 +package require Tcl 8.6- #*** !doctools -#[item] [package {Tcl 8.6}] +#[item] [package {Tcl 8.6-}] #[item] [package punk::ns] #[item] [package sqlite3] (binary) #[item] [package overtype] diff --git a/src/bootsupport/modules/punk/mix/commandset/scriptwrap-0.1.0.tm b/src/bootsupport/modules/punk/mix/commandset/scriptwrap-0.1.0.tm index b1c899da..6379b28f 100644 --- a/src/bootsupport/modules/punk/mix/commandset/scriptwrap-0.1.0.tm +++ b/src/bootsupport/modules/punk/mix/commandset/scriptwrap-0.1.0.tm @@ -209,9 +209,13 @@ namespace eval punk::mix::commandset::scriptwrap { set callposn -1 set trimln [string trim $callingline_payload] - if {[string match "rem *" $trimln] || [string match "@rem *" $trimln] || [string match "REM *" $trimln] || [string match "@REM *" $trimln]} { - #ignore things that look like a call that are beind a REM - } else { + + #if {[string match "rem *" $trimln] || [string match "@rem *" $trimln] || [string match "REM *" $trimln] || [string match "@REM *" $trimln]} {} + #ignore things that look like a call that are beind a REM + switch -glob -nocase -- $trimln { + "rem *" - + "@rem *" {} + default { #todo - better callsite analysis. There can be data between @GOTO or @CALL and : other than just whitespace! @@ -695,7 +699,8 @@ namespace eval punk::mix::commandset::scriptwrap { } } } - } + } ;# end default switch case on trimln + } ;# end switch incr file_offset $callingline_len ;#including per-line stored line-ending } if {[dict size $possible_target_labels_found] > 0} { @@ -1381,34 +1386,38 @@ namespace eval punk::mix::commandset::scriptwrap { set inputconsumed 0 foreach c $inputchars { if {!$invar} { - if {$c eq "%"} { - set caretseq 0 - set lookahead [lrange $inputchars $inputconsumed+1 end] - if {"%" in $lookahead} { - set invar 1 - incr percentrun - } else { - incr percentrun - } - } elseif {$c eq "^"} { - if {$caretseq} { + switch -- $c { + "%" { set caretseq 0 - append labelout "^" ;#for every pair encountered in direct sequence - second gets included in label - } else { - set caretseq 1 + set lookahead [lrange $inputchars $inputconsumed+1 end] + if {"%" in $lookahead} { + set invar 1 + incr percentrun + } else { + incr percentrun + } } - } else { - set caretseq 0 - if {$percentrun && ($c in [list 0 1 2 3 4 5 6 7 8 9])} { - #subst %i with value - here we have no way of getting that - so use blank - user will get warning that target not found - set percentrun 0 - } else { - append labelout [string repeat % [expr {$percentrun / 2}]] - set percentrun 0 - if {$c in $labelterminals} { - break + "^" { + if {$caretseq} { + set caretseq 0 + append labelout "^" ;#for every pair encountered in direct sequence - second gets included in label + } else { + set caretseq 1 + } + } + default { + set caretseq 0 + if {$percentrun && ($c in [list 0 1 2 3 4 5 6 7 8 9])} { + #subst %i with value - here we have no way of getting that - so use blank - user will get warning that target not found + set percentrun 0 + } else { + append labelout [string repeat % [expr {$percentrun / 2}]] + set percentrun 0 + if {$c in $labelterminals} { + break + } + append labelout $c } - append labelout $c } } } else { diff --git a/src/bootsupport/modules/punk/ns-0.1.0.tm b/src/bootsupport/modules/punk/ns-0.1.0.tm index 54b6a58c..aeb8d896 100644 --- a/src/bootsupport/modules/punk/ns-0.1.0.tm +++ b/src/bootsupport/modules/punk/ns-0.1.0.tm @@ -766,8 +766,9 @@ namespace eval punk::ns { set e [a+ yellow bold] set o [a+ cyan bold] set p [a+ white bold] + + set a1 [a][a+ cyan] foreach ch1 $children1 ch2 $children2 cmd1 $elements1 cmd2 $elements2 cmd3 $elements3 cmd4 $elements4 { - set a1 [a+ cyan] set c1 [a+ white] set c2 [a+ white] set c3 [a+ white] @@ -1355,8 +1356,9 @@ namespace eval punk::ns { proc corp {path} { #thanks to Richard Suchenwirth for the original - wiki.tcl-lang.org/page/corp #Note: modified here to support aliases and relative/absolute name (with respect to namespace .ie ::name vs name) + set indent " " ;#review if {[info exists ::auto_index($path)]} { - set body "# $::auto_index($path)\n" + set body "\n${indent}#corp# auto_index $::auto_index($path)" } else { set body "" } @@ -1404,10 +1406,20 @@ namespace eval punk::ns { } } if {[nsprefix $origin] ne [nsprefix [nsjoin ${targetns} $name]]} { - append body "# namespace origin $origin" \n + append body \n "${indent}#corp# namespace origin $origin" } - append body [info body $origin] + if {$body ne "" && [string index $body end] ne "\n"} { + append body \n + } + if {![catch {package require textutil::tabify} errpkg]} { + set bodytext [info body $origin] + #punk::lib::indent preserves trailing empty lines - unlike textutil version + set bodytext [punk::lib::undent [textutil::untabify2 $bodytext]] + append body [punk::lib::indent $bodytext $indent] + } else { + append body [info body $origin] + } set argl {} foreach a [info args $origin] { if {[info default $origin $a def]} { diff --git a/src/bootsupport/modules/punk/path-0.1.0.tm b/src/bootsupport/modules/punk/path-0.1.0.tm index 2f1ee6c5..f7abf16f 100644 --- a/src/bootsupport/modules/punk/path-0.1.0.tm +++ b/src/bootsupport/modules/punk/path-0.1.0.tm @@ -44,9 +44,9 @@ #[para] packages used by punk::path #[list_begin itemized] -package require Tcl 8.6 +package require Tcl 8.6- #*** !doctools -#[item] [package {Tcl 8.6}] +#[item] [package {Tcl 8.6-}] # #package require frobz # #*** !doctools @@ -126,18 +126,18 @@ namespace eval punk::path { if {[string range $seg end end] eq "/"} { set seg [string range $seg 0 end-1] ;# e.g c:/ -> c: / -> "" so that join at end doesn't double up } - if {$seg eq "*"} { - lappend pats {[^/]*} - } elseif {$seg eq "**"} { - lappend pats {.*} - } else { - set seg [string map [list {^ {\^} $ {\$} [} {\[} ( {\(} \{ \\\{ \\ {\\}] $seg] ;#treat regex characters in the input as literals - set seg [string map [list . {[.]}] $seg] - if {[regexp {[*?]} $seg]} { - set pat [string map [list ** {.*} * {[^/]*} ? {[^/]}] $seg] - lappend pats "$pat" - } else { - lappend pats "$seg" + switch -- $seg { + * {lappend pats {[^/]*}} + ** {lappend pats {.*}} + default { + set seg [string map [list {^ {\^} $ {\$} [} {\[} ( {\(} \{ \\\{ \\ {\\}] $seg] ;#treat regex characters in the input as literals + set seg [string map [list . {[.]}] $seg] + if {[regexp {[*?]} $seg]} { + set pat [string map [list ** {.*} * {[^/]*} ? {[^/]}] $seg] + lappend pats "$pat" + } else { + lappend pats "$seg" + } } } } diff --git a/src/bootsupport/modules/punk/repo-0.1.1.tm b/src/bootsupport/modules/punk/repo-0.1.1.tm index 81eb7a58..e3d5f9e1 100644 --- a/src/bootsupport/modules/punk/repo-0.1.1.tm +++ b/src/bootsupport/modules/punk/repo-0.1.1.tm @@ -418,28 +418,36 @@ namespace eval punk::repo { continue } } - if {[string match "EDITED *" $ln]} { - set path [string trim [string range $ln [string length "EDITED "] end]] ;#should handle spaced paths - dict set pathdict $path "changed" - } elseif {[string match "ADDED *" $ln]} { - set path [string trim [string range $ln [string length "ADDED "] end]] - dict set pathdict $path "new" - } elseif {[string match "DELETED *" $ln]} { - set path [string trim [string range $ln [string length "DELETED "] end]] - dict set pathdict $path "missing" - } elseif {[string match "MISSING *" $ln]} { - set path [string trim [string range $ln [string length "MISSING "] end]] - dict set pathdict $path "missing" - } elseif {[string match "EXTRA *" $ln]} { - #fossil will explicitly list files in a new folder - as opposed to git which shows just the folder - set path [string trim [string range $ln [string length "EXTRA "] end]] - dict set pathdict $path "extra" - } elseif {[string match "UNCHANGED *" $ln]} { - set path [string trim [string range $ln [string length "UNCHANGED "] end]] - dict set pathdict $path "unchanged" - } else { - #emit for now - puts stderr "unprocessed fossilstate line: $ln" + switch -glob -- $ln { + "EDITED *" { + set path [string trim [string range $ln [string length "EDITED "] end]] ;#should handle spaced paths + dict set pathdict $path "changed" + } + "ADDED *" { + set path [string trim [string range $ln [string length "ADDED "] end]] + dict set pathdict $path "new" + } + "DELETED *" { + set path [string trim [string range $ln [string length "DELETED "] end]] + dict set pathdict $path "missing" + } + "MISSING *" { + set path [string trim [string range $ln [string length "MISSING "] end]] + dict set pathdict $path "missing" + } + "EXTRA * " { + #fossil will explicitly list files in a new folder - as opposed to git which shows just the folder + set path [string trim [string range $ln [string length "EXTRA "] end]] + dict set pathdict $path "extra" + } + "UNCHANGED *" { + set path [string trim [string range $ln [string length "UNCHANGED "] end]] + dict set pathdict $path "unchanged" + } + default { + #emit for now + puts stderr "unprocessed fossilstate line: $ln" + } } #other entries?? } diff --git a/src/bootsupport/modules/punkcheck-0.1.0.tm b/src/bootsupport/modules/punkcheck-0.1.0.tm index c58fe244..2a8aedf5 100644 --- a/src/bootsupport/modules/punkcheck-0.1.0.tm +++ b/src/bootsupport/modules/punkcheck-0.1.0.tm @@ -73,7 +73,11 @@ namespace eval punkcheck { set record_list [list] if {[file exists $punkcheck_file]} { set tdlscript [punk::mix::util::fcat $punkcheck_file] - set record_list [punk::tdl::prettyparse $tdlscript] + if {[catch { + set record_list [punk::tdl::prettyparse $tdlscript] + } errparse]} { + error "punkcheck::load_records_from_file failed to parse '$punkcheck_file'\n error:$errparse" + } } return $record_list } @@ -131,8 +135,10 @@ namespace eval punkcheck { #get last previous that is tagged INSTALL-RECORD,MODIFY-RECORD,DELETE-RECORD set revlist [lreverse $previous_records] foreach rec $revlist { - if {[dict get $rec tag] in [list "INSTALL-RECORD" "MODIFY-RECORD" "DELETE-RECORD" "VIRTUAL-RECORD"]} { - return $rec + switch -- [dict get $rec tag] { + INSTALL-RECORD - MODIFY-RECORD - DELETE-RECORD - VIRTUAL-RECORD { + return $rec + } } } return [list] diff --git a/src/bootsupport/modules/textutil/wcswidth-35.1.tm b/src/bootsupport/modules/textutil/wcswidth-35.1.tm index 080a8814..1dc27b0a 100644 --- a/src/bootsupport/modules/textutil/wcswidth-35.1.tm +++ b/src/bootsupport/modules/textutil/wcswidth-35.1.tm @@ -8,6 +8,7 @@ # Author: Sean Woods ### package provide textutil::wcswidth 35.1 +namespace eval ::textutil {} proc ::textutil::wcswidth_type char { if {$char == 161} { return A } if {$char == 164} { return A } diff --git a/src/modules/flagfilter-0.3.tm b/src/modules/flagfilter-0.3.tm index cae485f9..d3f7ad7f 100644 --- a/src/modules/flagfilter-0.3.tm +++ b/src/modules/flagfilter-0.3.tm @@ -731,38 +731,42 @@ namespace eval flagfilter { lassign $vinfo class type val if {[string match $classmatch $class]} { set a [llength $all_flagged] ;#index into all_flagged list we are building - if {$type eq "soloflag"} { - if {[dict exists $seenflag $val]} { - set seenindex [dict get $seenflag $val] - set seenindexplus [expr {$seenindex+1}] - set existingvals [lindex $all_flagged $seenindexplus] - lappend existingvals 1 ;#1 indicating presence - stored as list rather than a count. todo: consider global or per-solo options to support incrementing instead? - lset all_flagged $seenindexplus $existingvals - } else { - dict set seenflag $val $a - lappend all_flagged $val 1 + switch -- $type { + soloflag { + if {[dict exists $seenflag $val]} { + set seenindex [dict get $seenflag $val] + set seenindexplus [expr {$seenindex+1}] + set existingvals [lindex $all_flagged $seenindexplus] + lappend existingvals 1 ;#1 indicating presence - stored as list rather than a count. todo: consider global or per-solo options to support incrementing instead? + lset all_flagged $seenindexplus $existingvals + } else { + dict set seenflag $val $a + lappend all_flagged $val 1 + } } - } elseif {$type eq "flag"} { - if {![dict exists $seenflag $val]} { - dict set seenflag $val $a - lappend all_flagged $val + flag { + if {![dict exists $seenflag $val]} { + dict set seenflag $val $a + lappend all_flagged $val + } + #no need to do anything if already seen - flagvalue must be next, and it will work out where to go. } - #no need to do anything if already seen - flagvalue must be next, and it will work out where to go. - } elseif {$type eq "flagvalue"} { - set idxflagfor [expr {$k -1}] - set flagforinfo [dict get $o_map $idxflagfor] - lassign $flagforinfo ffclass fftype ffval - #jn "--" following a flag could result in us getting here accidentaly.. review - set seenindex [dict get $seenflag $ffval] - if {$seenindex == [expr {$a-1}]} { - #usual case - this is a flagvalue following the first instance of the flag - lappend all_flagged $val - } else { - #write the value back to the seenindex+1 - set seenindexplus [expr {$seenindex+1}] - set existingvals [lindex $all_flagged $seenindexplus] - lappend existingvals $val ;#we keep multiples as a list - lset all_flagged $seenindexplus $existingvals + flagvalue { + set idxflagfor [expr {$k -1}] + set flagforinfo [dict get $o_map $idxflagfor] + lassign $flagforinfo ffclass fftype ffval + #jn "--" following a flag could result in us getting here accidentaly.. review + set seenindex [dict get $seenflag $ffval] + if {$seenindex == [expr {$a-1}]} { + #usual case - this is a flagvalue following the first instance of the flag + lappend all_flagged $val + } else { + #write the value back to the seenindex+1 + set seenindexplus [expr {$seenindex+1}] + set existingvals [lindex $all_flagged $seenindexplus] + lappend existingvals $val ;#we keep multiples as a list + lset all_flagged $seenindexplus $existingvals + } } } } @@ -2230,23 +2234,28 @@ namespace eval flagfilter { #jn concat allows $command to itself be a list ##tcl dispatchtype dict set dispatchrecord dispatchtype $dispatchtype - if {$dispatchtype eq "tcl"} { - do_debug 1 $debugc "DISPATCHING with tcl arg order: $command $matched_operands $matched_opts $extraflags" - #set commandline [list $command {*}$matched_operands {*}$matched_opts {*}$extraflags] - set commandline [concat $command $matched_operands $matched_opts $extraflags] - } elseif {$dispatchtype eq "raw"} { - do_debug 1 $debugc "DISPATCHING with raw args : $command [dict get $dispatchrecord raw]" - #set commandline [list $command {*}[dict get $dispatchrecord raw] {*}$extraflags] - set commandline [concat $command [dict get $dispatchrecord raw] $extraflags] - } elseif {$dispatchtype eq "shell"} { - do_debug 1 $debugc "DISPATCHING with shell args : $command [dict get $dispatchrecord raw]" - #assume the shell arguments are in one quoted string? - set commandline [concat $command [list [dict get $dispatchrecord raw]] $extraflags] - } else { - #non quoted shell? raw + defaults? - do_debug 1 $debugc "DISPATCHING with given arg order: $command $matched_in_order $extraflags" - #set commandline [list $command {*}$matched_in_order {*}$extraflags] - set commandline [concat $command $matched_in_order $extraflags] + switch -- $dispatchtype { + tcl { + do_debug 1 $debugc "DISPATCHING with tcl arg order: $command $matched_operands $matched_opts $extraflags" + #set commandline [list $command {*}$matched_operands {*}$matched_opts {*}$extraflags] + set commandline [concat $command $matched_operands $matched_opts $extraflags] + } + raw { + do_debug 1 $debugc "DISPATCHING with raw args : $command [dict get $dispatchrecord raw]" + #set commandline [list $command {*}[dict get $dispatchrecord raw] {*}$extraflags] + set commandline [concat $command [dict get $dispatchrecord raw] $extraflags] + } + shell { + do_debug 1 $debugc "DISPATCHING with shell args : $command [dict get $dispatchrecord raw]" + #assume the shell arguments are in one quoted string? + set commandline [concat $command [list [dict get $dispatchrecord raw]] $extraflags] + } + default { + #non quoted shell? raw + defaults? + do_debug 1 $debugc "DISPATCHING with given arg order: $command $matched_in_order $extraflags" + #set commandline [list $command {*}$matched_in_order {*}$extraflags] + set commandline [concat $command $matched_in_order $extraflags] + } } dict set dispatchrecord asdispatched $commandline @@ -2378,97 +2387,102 @@ namespace eval flagfilter { do_debug 1 $debugc "[string repeat = 40]" foreach {k v} $combined { set dlev [dict get $debugdict $k] - if {$k eq "dispatch"} { - set col1 [string repeat " " 12] - #process as paired list rather than dict (support repeated commands) - set i 0 - foreach {cmdname cmdinfo} $v { - set field1 [string repeat " " [expr {[string length $cmdname]}]] - set col2_dispatch [string repeat " " [expr {[string length $cmdname] + 15}]] - set j 0 - foreach {ckey cval} $cmdinfo { + switch -- $k { + dispatch { + set col1 [string repeat " " 12] + #process as paired list rather than dict (support repeated commands) + set i 0 + foreach {cmdname cmdinfo} $v { + set field1 [string repeat " " [expr {[string length $cmdname]}]] + set col2_dispatch [string repeat " " [expr {[string length $cmdname] + 15}]] + set j 0 + foreach {ckey cval} $cmdinfo { + + if {$i == 0 && $j == 0} { + set c1 [overtype::left $col1 "dispatch"] + } else { + set c1 [overtype::left $col1 { ... }] + } + + if {$j == 0} { + set f1 [overtype::left $field1 $cmdname] + set c2 [overtype::left $col2_dispatch "$f1 $ckey"] + } else { + set f1 [overtype::left $field1 ...] + set c2 [overtype::left $col2_dispatch "$f1 $ckey"] + } + #leave at debug level 1 - because dispatch is generally important + do_debug $dlev $debugc "${c1}${c2} $cval" - if {$i == 0 && $j == 0} { - set c1 [overtype::left $col1 "dispatch"] - } else { - set c1 [overtype::left $col1 { ... }] + incr j } - - if {$j == 0} { - set f1 [overtype::left $field1 $cmdname] - set c2 [overtype::left $col2_dispatch "$f1 $ckey"] + incr i + } + + #do_debug 1 $debugc "[overtype::left $col1 $k] [lindex $v 0] [list [lindex $v 1]]" + #foreach {nm rem} [lrange $v 2 end] { + # do_debug 1 $debugc "[overtype::left $col1 { ... }] $nm [list $rem]" + #} + } + dispatchresultlist { + set col1 [string repeat " " 25] + set i 0 + foreach dresult $v { + if {$i == 0} { + set c1 [overtype::left $col1 $k] } else { - set f1 [overtype::left $field1 ...] - set c2 [overtype::left $col2_dispatch "$f1 $ckey"] + set c1 [overtype::left $col1 { ... }] } - #leave at debug level 1 - because dispatch is generally important - do_debug $dlev $debugc "${c1}${c2} $cval" - - incr j + do_debug $dlev $debugc "$c1 $dresult" + incr i } - incr i } - - #do_debug 1 $debugc "[overtype::left $col1 $k] [lindex $v 0] [list [lindex $v 1]]" - #foreach {nm rem} [lrange $v 2 end] { - # do_debug 1 $debugc "[overtype::left $col1 { ... }] $nm [list $rem]" - #} - } elseif {$k eq "dispatchresultlist"} { - set col1 [string repeat " " 25] - set i 0 - foreach dresult $v { - if {$i == 0} { - set c1 [overtype::left $col1 $k] - } else { - set c1 [overtype::left $col1 { ... }] + classifications { + set col1 [string repeat " " 25] + set len [dict size $v] + if {$len == 0} { + do_debug $dlev $debugc "[overtype::left $col1 $k]" + continue } - do_debug $dlev $debugc "$c1 $dresult" - incr i - } - } elseif {$k eq "classifications"} { - set col1 [string repeat " " 25] - set len [dict size $v] - if {$len == 0} { - do_debug $dlev $debugc "[overtype::left $col1 $k]" - continue - } - set max [expr {$len -1}] - set numlines [expr $len / 3 + 1] - if {($len % 3) == 0} { - incr numlines -1 - } - set j 0 - for {set ln 0} {$ln < $numlines} {incr ln} { - if {$ln == 0} { - set c1 "[overtype::left $col1 $k]" - } else { - set c1 "[overtype::left $col1 { ... }]" + set max [expr {$len -1}] + set numlines [expr $len / 3 + 1] + if {($len % 3) == 0} { + incr numlines -1 } - set line "" - for {set col 0} {$col < 3} {incr col} { - if {$j <= $max} { - append line "$j [list [dict get $v $j]] " + set j 0 + for {set ln 0} {$ln < $numlines} {incr ln} { + if {$ln == 0} { + set c1 "[overtype::left $col1 $k]" + } else { + set c1 "[overtype::left $col1 { ... }]" + } + set line "" + for {set col 0} {$col < 3} {incr col} { + if {$j <= $max} { + append line "$j [list [dict get $v $j]] " + } + incr j } - incr j + do_debug $dlev $debugc "$c1 [string trim $line]" } - do_debug $dlev $debugc "$c1 [string trim $line]" } - } elseif {$k eq "gridstring"} { - set col1 [string repeat " " 25] - set i 0 - foreach ln [split $v \n] { - if {$i == 0} { - set c1 [overtype::left $col1 $k] - } else { - set c1 [overtype::left $col1 { ... }] + gridstring { + set col1 [string repeat " " 25] + set i 0 + foreach ln [split $v \n] { + if {$i == 0} { + set c1 [overtype::left $col1 $k] + } else { + set c1 [overtype::left $col1 { ... }] + } + do_debug $dlev $debugc "$c1 $ln" + incr i } - do_debug $dlev $debugc "$c1 $ln" - incr i } - - } else { - set col1 [string repeat " " 25] - do_debug $dlev $debugc "[overtype::left $col1 $k] $v" + default { + set col1 [string repeat " " 25] + do_debug $dlev $debugc "[overtype::left $col1 $k] $v" + } } } do_debug 1 $debugc "[string repeat = 40]" @@ -2495,20 +2509,19 @@ namespace eval flagfilter { for {set i $a} {$i <=$b} {incr i} { set arginfo [dict get $classifications $i] lassign $arginfo class ftype v - if {$ftype eq "flag"} { - lappend extraflags $v - } - if {$ftype eq "soloflag"} { - lappend extraflags $v - if {[dict exists $defaults $v]} { - lappend extraflags [dict get $defaults $v] - } else { - lappend extraflags 1 + switch -- $ftype { + flag - flagvalue { + lappend extraflags $v } - } - if {$ftype eq "flagvalue"} { - lappend extraflags $v - } + soloflag { + lappend extraflags $v + if {[dict exists $defaults $v]} { + lappend extraflags [dict get $defaults $v] + } else { + lappend extraflags 1 + } + } + } } foreach {k v} [dict get $defaults] { if {$k ni $extraflags} { diff --git a/src/modules/punk-0.1.tm b/src/modules/punk-0.1.tm index 6b109c67..fa4e6625 100644 --- a/src/modules/punk-0.1.tm +++ b/src/modules/punk-0.1.tm @@ -729,150 +729,170 @@ namespace eval punk { set already_assigned 0 set do_bounds_check 0 ;#modified by leading single @ for list operations - doesn't apply to certain items like 'head','tail' which have specifically defined bounds-checks implicit in their normal meaning. #thse have anyhead and anytail for explicit allowance to be used on lists with insufficient items to produce values. - - if {$index eq "#"} { - set active_key_type "list" - if {![catch {llength $leveldata} assigned]} { - set already_assigned 1 - } else { - set action ?mismatch-not-a-list - break - } - } elseif {$index eq "##"} { - set active_key_type "dict" - if {![catch {dict size $leveldata} assigned]} { - set already_assigned 1 - } else { - set action ?mismatch-not-a-dict - break - } - } elseif {$index eq "#?"} { - set assigned [string length $leveldata] - set already_assigned 1 - } elseif {$index eq "@"} { - upvar v_list_idx v_list_idx ;#positional tracker for /@ - list position - set active_key_type "list" - #e.g @1/1/@/1 the lone @ is a positional spec for this specific subkey - #no normalization done - ie @2/@ will not be considered same subkey as @end/@ or @end-0/@ even if llength = 3 - #while x@,y@.= is reasonably handy - especially for args e.g $len} { - set action ?mismatch-list-index-out-of-range - break - } - set assigned [lindex $leveldata $index] - set already_assigned 1 - - } else { - if {$index in [list "@@" "@?@" "@??@"]} { - set active_key_type "dict" - - #NOTE: it may at first seem pointless to use @@/key, since we have to know the key - but this can be used to match 'key' only at the first position in .= list key {x y} key2 etc - #x@@ = a {x y} - #x@@/@0 = a - #x@@/@1 = x y - #x@@/a = a {x y} - # but.. as the @@ is stateful - it generally isn't very useful for multiple operations on the same pair within the pattern group. - # (note that ?@ forms a different subpath - so can be used to test match prior to @@ without affecting the index) - # It is analogous to v1@,v2@ for lists. - # @pairs is more useful for repeated operations - - # - #set subpath [join [lrange $subindices 0 $i_keyindex] /] - if {[catch {dict size $leveldata} dsize]} { - set action ?mismatch-not-a-dict - break - } - set next_this_level [incr v_dict_idx($subpath)] - set keyindex [expr {$next_this_level -1}] - if {($keyindex + 1) <= $dsize} { - set k [lindex [dict keys $leveldata] $keyindex] - if {$index eq "@?@"} { - set assigned [dict get $leveldata $k] - } else { - set assigned [list $k [dict get $leveldata $k]] - } + switch -- $index { + # { + set active_key_type "list" + if {![catch {llength $leveldata} assigned]} { + set already_assigned 1 } else { - if {$index eq "@@"} { - set action ?mismatch-dict-index-out-of-range - break - } else { - set assigned [list] - } + set action ?mismatch-not-a-list + break } - set already_assigned 1 - } elseif {[string match @@* $index]} { + } + ## { set active_key_type "dict" - set key [string range $index 2 end] - #dict exists test is safe - no need for catch - if {[dict exists $leveldata $key]} { - set assigned [dict get $leveldata $key] + if {![catch {dict size $leveldata} assigned]} { + set already_assigned 1 } else { - set action ?mismatch-dict-key-not-found + set action ?mismatch-not-a-dict break } + } + #? { + set assigned [string length $leveldata] set already_assigned 1 - } elseif {[string match {@\?@*} $index]} { - set active_key_type "dict" - set key [string range $index 3 end] - #dict exists test is safe - no need for catch - if {[dict exists $leveldata $key]} { - set assigned [dict get $leveldata $key] - } else { - set assigned [list] + } + @ { + upvar v_list_idx v_list_idx ;#positional tracker for /@ - list position + set active_key_type "list" + #e.g @1/1/@/1 the lone @ is a positional spec for this specific subkey + #no normalization done - ie @2/@ will not be considered same subkey as @end/@ or @end-0/@ even if llength = 3 + #while x@,y@.= is reasonably handy - especially for args e.g $len} { + set action ?mismatch-list-index-out-of-range + break } + set assigned [lindex $leveldata $index] set already_assigned 1 - } elseif {[string match @* $index]} { - set active_key_type "list" - set do_bounds_check 1 - set index [string trimleft $index @] - } else { - # } + default { + switch -exact -- $index { + @@ - @?@ - @??@ { + set active_key_type "dict" + + #NOTE: it may at first seem pointless to use @@/key, since we have to know the key - but this can be used to match 'key' only at the first position in .= list key {x y} key2 etc + #x@@ = a {x y} + #x@@/@0 = a + #x@@/@1 = x y + #x@@/a = a {x y} + # but.. as the @@ is stateful - it generally isn't very useful for multiple operations on the same pair within the pattern group. + # (note that ?@ forms a different subpath - so can be used to test match prior to @@ without affecting the index) + # It is analogous to v1@,v2@ for lists. + # @pairs is more useful for repeated operations + + # + #set subpath [join [lrange $subindices 0 $i_keyindex] /] + if {[catch {dict size $leveldata} dsize]} { + set action ?mismatch-not-a-dict + break + } + set next_this_level [incr v_dict_idx($subpath)] + set keyindex [expr {$next_this_level -1}] + if {($keyindex + 1) <= $dsize} { + set k [lindex [dict keys $leveldata] $keyindex] + if {$index eq "@?@"} { + set assigned [dict get $leveldata $k] + } else { + set assigned [list $k [dict get $leveldata $k]] + } + } else { + if {$index eq "@@"} { + set action ?mismatch-dict-index-out-of-range + break + } else { + set assigned [list] + } + } + set already_assigned 1 + } + default { + switch -glob -- $index { + @@* { + set active_key_type "dict" + set key [string range $index 2 end] + #dict exists test is safe - no need for catch + if {[dict exists $leveldata $key]} { + set assigned [dict get $leveldata $key] + } else { + set action ?mismatch-dict-key-not-found + break + } + set already_assigned 1 + } + {@\?@*} { + set active_key_type "dict" + set key [string range $index 3 end] + #dict exists test is safe - no need for catch + if {[dict exists $leveldata $key]} { + set assigned [dict get $leveldata $key] + } else { + set assigned [list] + } + set already_assigned 1 + } + {@\?\?@*} { + set active_key_type "dict" + set key [string range $index 4 end] + #dict exists test is safe - no need for catch + if {[dict exists $leveldata $key]} { + set assigned [list $key [dict get $leveldata $key]] + } else { + set assigned [list] + } + set already_assigned 1 + } + @* { + set active_key_type "list" + set do_bounds_check 1 + set index [string trimleft $index @] + } + default { + # + } - - if {!$already_assigned} { - if {[string match "not-*" $index] && $active_key_type in [list "" "list"]} { - #e.g not-0-end-1 not-end-4-end-2 - set get_not 1 - #cherry-pick some easy cases, and either assign, or re-map to corresponding index - if {$index eq "not-tail"} { - set active_key_type "list" - - set assigned [lindex $leveldata 0]; set already_assigned 1 - } elseif {$index in [list "not-head" "not-0"]} { - set active_key_type "list" - #set selector "tail"; set get_not 0 - set assigned [lrange $leveldata 1 end]; set already_assigned 1 - } elseif {$index eq "not-end"} { - set active_key_type "list" - set assigned [lrange $leveldata 0 end-1]; set already_assigned 1 - } else { - #trim off the not- and let the remaining index handle based on get_not being 1 - set index [string range $index 4 end] + } } + } - } + + if {!$already_assigned} { + if {[string match "not-*" $index] && $active_key_type in [list "" "list"]} { + #e.g not-0-end-1 not-end-4-end-2 + set get_not 1 + #cherry-pick some easy cases, and either assign, or re-map to corresponding index + switch -- $index { + not-tail { + set active_key_type "list" + set assigned [lindex $leveldata 0]; set already_assigned 1 + } + not-head { + set active_key_type "list" + #set selector "tail"; set get_not 0 + set assigned [lrange $leveldata 1 end]; set already_assigned 1 + } + not-end { + set active_key_type "list" + set assigned [lrange $leveldata 0 end-1]; set already_assigned 1 + } + default { + #trim off the not- and let the remaining index handle based on get_not being 1 + set index [string range $index 4 end] + } + } + } + } + } } if {!$already_assigned} { @@ -1496,22 +1516,27 @@ namespace eval punk { append script \n {#e.g not-0-end-1 not-end-4-end-2} set get_not 1 #cherry-pick some easy cases, and either assign, or re-map to corresponding index - if {$index eq "not-tail"} { - append script \n {# set active_key_type "list"} - append script \n {set assigned [lindex $leveldata 0]} - set level_script_complete 1 - } elseif {$index in [list "not-head" "not-0"]} { - append script \n {# set active_key_type "list"} - append script \n {set assigned [lrange $leveldata 1 end]} - set level_script_complete 1 - } elseif {$index eq "not-end"} { - append script \n {# set active_key_type "list"} - append script \n {set assigned [lrange $leveldata 0 end-1]} - set level_script_complete 1 - } else { - #trim off the not- and let the remaining index handle based on get_not being 1 - set index [string range $index 4 end] - append script \n "set index $index" + switch -- $index { + not-tail { + append script \n {# set active_key_type "list"} + append script \n {set assigned [lindex $leveldata 0]} + set level_script_complete 1 + } + not-head - not-0 { + append script \n {# set active_key_type "list"} + append script \n {set assigned [lrange $leveldata 1 end]} + set level_script_complete 1 + } + not-end { + append script \n {# set active_key_type "list"} + append script \n {set assigned [lrange $leveldata 0 end-1]} + set level_script_complete 1 + } + default { + #trim off the not- and let the remaining index handle based on get_not being 1 + set index [string range $index 4 end] + append script \n "set index $index" + } } } @@ -1969,38 +1994,45 @@ namespace eval punk { lappend var_class [list $v_key 0] lappend varspecs_trimmed $v_key } else { - set firstchar [string index $v 0] set lastchar [string index $v end] - if {$lastchar eq "+"} { - lappend classes 9 - set vname [string range $v 0 end-1] - } - if {$lastchar eq "-"} { - lappend classes 10 - set vname [string range $v 0 end-1] + switch -- $lastchar { + + { + lappend classes 9 + set vname [string range $v 0 end-1] + } + - { + lappend classes 10 + set vname [string range $v 0 end-1] + } } - if {$firstchar in $leading_classifiers} { - if {$firstchar eq "'"} { + set firstchar [string index $v 0] + switch -- $firstchar { + ' { lappend var_class [list $v_key 1] #set vname [string range $v 1 end] lappend varspecs_trimmed [list $vname $key] - } elseif {$firstchar eq "^"} { + } + ^ { lappend classes [list 2] #use vname - may already have trailing +/- stripped set vname [string range $vname 1 end] set secondclassifier [string index $v 1] - if {$secondclassifier eq "&"} { - #pinned boolean - lappend classes 3 - set vname [string range $v 2 end] - } elseif {$secondclassifier eq "#"} { - #pinned numeric comparison instead of string comparison - lappend classes 8 - set vname [string range $vname 1 end] - } elseif {$secondclassifier eq "*"} { - #pinned glob - lappend classes 7 - set vname [string range $v 2 end] + switch -- $secondclassifier { + "&" { + #pinned boolean + lappend classes 3 + set vname [string range $v 2 end] + } + "#" { + #pinned numeric comparison instead of string comparison + lappend classes 8 + set vname [string range $vname 1 end] + } + "*" { + #pinned glob + lappend classes 7 + set vname [string range $v 2 end] + } } #todo - check for second tag - & for pinned boolean? #consider requiring ^# for numeric comparisons. currently no way to do a strictly string comparison on pinned variables.... default ^var really shouldn't be doing any magic. @@ -2009,7 +2041,8 @@ namespace eval punk { #These all limit the range of varnames permissible - which is no big deal. lappend var_class [list $v_key $classes] lappend varspecs_trimmed [list $vname $key] - } elseif {$firstchar eq "&"} { + } + & { #we require boolean literals to be single-quoted so we can use cross-binding on boolean vars. #ie &true is the variable true whereas &'true' or &'1' &'t' etc are literal booleans #allow exception of &1 &0 to be literal booleans - because we disallow 0 & 1 as varnames in other contexts anyway - so it would be more consistent not to treat as varnames here. @@ -2017,39 +2050,38 @@ namespace eval punk { set vname [string range $v 1 end] lappend varspecs_trimmed [list $vname $key] } - - } else { - if {([string first ? $v]) >=0 || ([string first * $v] >=0)} { - lappend var_class [list $v_key 7] ;#glob - #leave vname as the full glob - lappend varspecs_trimmed [list "" $key] - } else { - #scan vname not v - will either be same as v - or possibly stripped of trailing +/- - set numtestv [join [scan $vname %lld%s] ""] ;# handles octals (leading zeros), ok for use with bignums, decimal points and sci notation - fails to handle leading dot e.g .5 - #leading . still need to test directly for double - if {[string is double -strict $vname] || [string is double -strict $numtestv]} { - if {[string is integer -strict $numtestv]} { - #this will pick up boolean 1 or 0 - but that's ok - they require "&" marker if boolean comparison desired - #integer test before double.. - #note there is also string is wide (string is wideinteger) for larger ints.. - lappend classes 4 - lappend var_class [list $v_key $classes] - lappend varspecs_trimmed $v_key + default { + if {([string first ? $v]) >=0 || ([string first * $v] >=0)} { + lappend var_class [list $v_key 7] ;#glob + #leave vname as the full glob + lappend varspecs_trimmed [list "" $key] + } else { + #scan vname not v - will either be same as v - or possibly stripped of trailing +/- + set numtestv [join [scan $vname %lld%s] ""] ;# handles octals (leading zeros), ok for use with bignums, decimal points and sci notation - fails to handle leading dot e.g .5 + #leading . still need to test directly for double + if {[string is double -strict $vname] || [string is double -strict $numtestv]} { + if {[string is integer -strict $numtestv]} { + #this will pick up boolean 1 or 0 - but that's ok - they require "&" marker if boolean comparison desired + #integer test before double.. + #note there is also string is wide (string is wideinteger) for larger ints.. + lappend classes 4 + lappend var_class [list $v_key $classes] + lappend varspecs_trimmed $v_key + } else { + #double + #sci notation 1e123 etc + #also large numbers like 1000000000 - even without decimal point - (tcl bignum) + lappend classes 5 + lappend var_class [list $v_key $classes] + lappend varspecs_trimmed $v_key + } } else { - #double - #sci notation 1e123 etc - #also large numbers like 1000000000 - even without decimal point - (tcl bignum) - lappend classes 5 - lappend var_class [list $v_key $classes] + lappend var_class [list $v_key 6] ;#var lappend varspecs_trimmed $v_key } - } else { - lappend var_class [list $v_key 6] ;#var - lappend varspecs_trimmed $v_key } } } - } lappend var_names $vname } @@ -2253,7 +2285,7 @@ namespace eval punk { #puts stdout "==>isatom $lhsspec" set lhs [string range $lhsspec 1 end] if {[string index $lhs end] eq "'"} { - set lhs [string range $lhs 0 end-1] + set lhs [string range $lhs 0 end-1] } lset var_actions $i 1 matchatom-set if {$lhs eq $val} { @@ -2662,41 +2694,43 @@ namespace eval punk { #unpinned non-atoms #cross-binding. Within this multivar pattern group only (use pin ^ for binding to result from a previous pattern) # - if {$varname eq ""} { - #don't attempt cross-bind on empty-varname - lset match_state $i 1 - #don't change var_action $i 1 to set - lset expected_values $i [list var $varname spec $lhsspec info "match-no-lhs-var" lhs - rhs $val] - } elseif {$varname eq "_"} { - #don't cross-bind on the special 'don't-care' varname - lset match_state $i 1 - lset var_actions $i 1 [string range $act 1 end] ;# ?set -> set - lset expected_values $i [list var $varname spec $lhsspec info "match-any-lhs-dontcare-var" lhs - rhs $val] - } else { - - set first_bound [lsearch -index 0 $var_actions $varname] - #assert first_bound >=0, we will always find something - usually self - if {$first_bound == $i} { + switch -- $varname { + "" { + #don't attempt cross-bind on empty-varname + lset match_state $i 1 + #don't change var_action $i 1 to set + lset expected_values $i [list var $varname spec $lhsspec info "match-no-lhs-var" lhs - rhs $val] + } + "_" { + #don't cross-bind on the special 'don't-care' varname lset match_state $i 1 lset var_actions $i 1 [string range $act 1 end] ;# ?set -> set - lset expected_values $i [list var $varname spec $lhsspec info "match-any-lhs" lhs - rhs $val] - } else { - #assert - first_bound < $i - set expectedinfo [lindex $expected_values $first_bound] - set expected_earlier [dict get $expectedinfo rhs] - if {$expected_earlier ne $val} { - lset match_state $i 0 - lset expected_values $i [list var $varname spec $lhsspec info "mismatch-crossbind-first" lhs $expected_earlier rhs $val] - break - } else { + lset expected_values $i [list var $varname spec $lhsspec info "match-any-lhs-dontcare-var" lhs - rhs $val] + } + default { + set first_bound [lsearch -index 0 $var_actions $varname] + #assert first_bound >=0, we will always find something - usually self + if {$first_bound == $i} { lset match_state $i 1 - #don't convert ?set to set - or var setter will write for each crossbound instance. Possibly no big deal for performance - but could trigger unnecessary write traces for example - #lset var_actions $i 1 [string range $act 1 end] - lset expected_values $i [list var $varname spec $lhsspec info "match-crossbind-first" lhs $expected_earlier rhs $val] + lset var_actions $i 1 [string range $act 1 end] ;# ?set -> set + lset expected_values $i [list var $varname spec $lhsspec info "match-any-lhs" lhs - rhs $val] + } else { + #assert - first_bound < $i + set expectedinfo [lindex $expected_values $first_bound] + set expected_earlier [dict get $expectedinfo rhs] + if {$expected_earlier ne $val} { + lset match_state $i 0 + lset expected_values $i [list var $varname spec $lhsspec info "mismatch-crossbind-first" lhs $expected_earlier rhs $val] + break + } else { + lset match_state $i 1 + #don't convert ?set to set - or var setter will write for each crossbound instance. Possibly no big deal for performance - but could trigger unnecessary write traces for example + #lset var_actions $i 1 [string range $act 1 end] + lset expected_values $i [list var $varname spec $lhsspec info "match-crossbind-first" lhs $expected_earlier rhs $val] + } } } } - } incr i @@ -3401,11 +3435,7 @@ namespace eval punk { return 1 } elseif {[string first " " $arg] >= 0 || [string first \t $arg] >= 0} { lassign [_rhs_tail_split $arg] _ part2 ;#will have part2 if unquoted whitespace found - if {$part2 eq ""} { - return 0 - } else { - return 1 - } + return [expr {$part2 ne ""}] } else { return 0 } @@ -3426,13 +3456,26 @@ namespace eval punk { set indq 0 } } else { - if {$ch eq {'}} { - set inq 1 - } elseif {$ch eq {"}} { - set indq 1 - } elseif {$ch in [list " " \t]} { - #whitespace outside of quoting - break + switch -- $ch { + {'} { + set inq 1 + } + {"} { + set indq 1 + } + " " { + #whitespace outside of quoting + break + } + 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - a - b - c - d - e - f - g - h - i - j - k - l - m - n - o - p - q - r - s - t - u - v - w - x - y - z {} + default { + #\t not a literal for switch jumpTable bytecompile - review - can we do it without for example string mapping to (and without a literal binary tab in source file)? + #we can't (reliably?) put \t as one of our switch keys + # + if {$ch eq "\t"} { + break + } + } } append equalsrhs $ch } @@ -3455,21 +3498,24 @@ namespace eval punk { #nextail is tail for possible recursion based on first argument in the segment set nexttail [lassign $fulltail next1] ;#tail head - if {$next1 eq "pipematch"} { - set results [uplevel 1 [list pipematch {*}$nexttail]] - debug.punk.pipe {>>> pipematch results: $results} 1 - - set d [_multi_bind_result $initial_returnvarspec $results] - return [_handle_bind_result $d] - } elseif {$next1 eq "pipecase"} { - set msg "pipesyntax\n" - append msg "pipecase does not return a value directly in the normal way\n" - append msg "It will return a casemismatch dict on mismatch\n" - append msg "But on a successful match - it will use an 'error' mechanism to return {ok result {something}} in the caller's scope -\n" - append msg "This will appear as an error in the repl, or disrupt pipeline result propagation if not in an appropriate wrapper\n" - append msg "Call pipecase from within a pipeline script block or wrapper such as pipeswitch or apply." - error $msg - } + switch -- $next1 { + pipematch { + set results [uplevel 1 [list pipematch {*}$nexttail]] + debug.punk.pipe {>>> pipematch results: $results} 1 + + set d [_multi_bind_result $initial_returnvarspec $results] + return [_handle_bind_result $d] + } + pipecase { + set msg "pipesyntax\n" + append msg "pipecase does not return a value directly in the normal way\n" + append msg "It will return a casemismatch dict on mismatch\n" + append msg "But on a successful match - it will use an 'error' mechanism to return {ok result {something}} in the caller's scope -\n" + append msg "This will appear as an error in the repl, or disrupt pipeline result propagation if not in an appropriate wrapper\n" + append msg "Call pipecase from within a pipeline script block or wrapper such as pipeswitch or apply." + error $msg + } + } #temp - this is related to a script for the entire pipeline (functional composition) - not the script for the segment-based x=y or x.=y proc. set ::_pipescript "" @@ -3687,8 +3733,6 @@ namespace eval punk { debug.punk.pipe.var {segment_has_insertions: $insertion_patterns} 5 debug.punk.pipe.rep {[rep_listname segment_members]} 4 - - @@ -4229,6 +4273,10 @@ namespace eval punk { #it is significantly faster to call a proc like this than to inline it in the unknown proc proc ::punk::range {from to args} { + if {[info commands lseq] ne ""} { + #tcl 8.7+ lseq significantly faster for larger ranges + return [lseq $from $to] + } set count [expr {($to -$from) + 1}] incr from -1 return [lmap v [lrepeat $count 0] {incr from}] @@ -4485,18 +4533,22 @@ namespace eval punk { #puts stderr "pipematch erroptions:$erroptions" #debug.punk.pipe {pipematch error $result} 4 set ecode [dict get $erroptions -errorcode] - if {[lrange $ecode 0 1] eq "binding mismatch"} { - #error {reason xxx} should only be returned for underlying tcl errors. error {someotherkey xxx} for structured errors such as a binding mismatch - #return [dict create error [dict create mismatch $result]] - #puts stderr "pipematch converting error to {error {mismatch }}" - return [list error [list mismatch $result]] - } - if {[lindex $ecode 0] eq "pipesyntax"} { - #error $result - return -options $erroptions $result - } - if {[lindex $ecode 0] eq "casematch"} { - return $result + switch -- [lindex $ecode 0] { + binding { + if {[lindex $ecode 1] eq "mismatch"} { + #error {reason xxx} should only be returned for underlying tcl errors. error {someotherkey xxx} for structured errors such as a binding mismatch + #return [dict create error [dict create mismatch $result]] + #puts stderr "pipematch converting error to {error {mismatch }}" + return [list error [list mismatch $result]] + } + } + pipesyntax { + #error $result + return -options $erroptions $result + } + casematch { + return $result + } } #return [dict create error [dict create reason $result]] return [list error [list reason $result]] @@ -4586,7 +4638,7 @@ namespace eval punk { } else { error "pipesyntax pipecase unable to interpret pipeline '$args'" } - #todo - account for insertion-specs e.g x=* x.=/0* + #todo - account for insertion-specs e.g x=* x.=/0* } else { #script? set cmdlist [list ::punk::pipeline .= "" "" {*}$args] @@ -4596,42 +4648,49 @@ namespace eval punk { if {[catch {uplevel 1 [list ::if 1 $cmdlist]} result erroptions]} { #puts stderr "====>>> result: $result erroptions" set ecode [dict get $erroptions -errorcode] - if {[lindex $ecode 0] eq "pipesyntax"} { - #error $result - return -options $erroptions $result - } - if {[lindex $ecode 0] eq "casenomatch"} { - return -options $erroptions $result - } - if {[lrange $ecode 0 1] eq "binding mismatch"} { - #error {reason xxx} should only be returned for underlying tcl errors. error {someotherkey xxx} for structured errors such as a binding mismatch - #return [dict create error [dict create mismatch $result]] - # - #NOTE: casemismatch is part of the api for pipecase. It is a casemismatch rather than an error - because for a pipecase - a casemismatch is an expected event (many casemismatches - one match) - return [dict create casemismatch $result] + switch -- [lindex $ecode 0] { + pipesyntax { + #error $result + return -options $erroptions $result + } + casenomatch { + return -options $erroptions $result + } + binding { + if {[lindex $ecode 1] eq "mismatch"} { + #error {reason xxx} should only be returned for underlying tcl errors. error {someotherkey xxx} for structured errors such as a binding mismatch + #return [dict create error [dict create mismatch $result]] + # + #NOTE: casemismatch is part of the api for pipecase. It is a casemismatch rather than an error - because for a pipecase - a casemismatch is an expected event (many casemismatches - one match) + return [dict create casemismatch $result] + } + } } + #we can't always treat $result as a list - may be an error string which can't be represented as a list, and there may be no useful errorCode #todo - use errorCode instead if {[catch {lindex $result 0} word1]} { #tailcall error $result return -options $erroptions $result } else { - if {$word1 in [list "switcherror" "funerror"]} { - error $result "pipecase [lsearch -all -inline $args "*="]" - } - if {$word1 in [list "resultswitcherror" "resultfunerror"]} { - #recast the error as a result without @@ok wrapping - #use the tailcall return to stop processing other cases in the switch! - tailcall return [dict create error $result] - } - if {$word1 eq "ignore"} { - #suppress error, but use normal return - return [dict create error [dict create suppressed $result]] - } else { - #normal tcl error - #return [dict create error [dict create reason $result]] - tailcall error $result "pipecase $args" [list caseerror] - + switch -- $word1 { + switcherror - funerror { + error $result "pipecase [lsearch -all -inline $args "*="]" + } + resultswitcherror - resultfunerror { + #recast the error as a result without @@ok wrapping + #use the tailcall return to stop processing other cases in the switch! + tailcall return [dict create error $result] + } + ignore { + #suppress error, but use normal return + return [dict create error [dict create suppressed $result]] + } + default { + #normal tcl error + #return [dict create error [dict create reason $result]] + tailcall error $result "pipecase $args" [list caseerror] + } } } } else { @@ -4688,40 +4747,45 @@ namespace eval punk { set r [apply [list {data} $e] $r] } else { if {[llength $e] == 1} { - if {$e eq {>}} { - #output to calling context. only pipedata return value and '> varname' should affect caller. - incr i - uplevel 1 [list set [lindex $args $i] $r] - } elseif {$e in {% pipematch ispipematch}} { - incr i - set e2 [lindex $args $i] - #set body [list $e {*}$e2] - #append body { $data} - - set body [list $e {*}$e2] - append body { {*}$data} - - - set applylist [list {data} $body] - #puts stderr $applylist - set r [apply $applylist $r] - } elseif {$e in [list pipeswitch pipeswitchc]} { - #pipeswitch takes a script not a list. - incr i - set e2 [lindex $args $i] - set body [list $e $e2] - #pipeswitch takes 'args' - so expand $data when in pipedata context - append body { {*}$data} - #use applylist instead of uplevel when in pipedata context! - #can use either switchdata/data but not vars in calling context of 'pipedata' command. - #this is consistent with pipeswitch running in a % / .= pipeline which can only access vars in immediate calling context. - set applylist [list {data} $body] - #puts stderr $applylist - set r [apply $applylist $r] - } else { - #puts "other single arg: [list $e $r]" - append e { $data} - set r [apply [list {data} $e] $r] + switch -- $e { + > { + #output to calling context. only pipedata return value and '> varname' should affect caller. + incr i + uplevel 1 [list set [lindex $args $i] $r] + } + % - pipematch - ispipematch { + incr i + set e2 [lindex $args $i] + #set body [list $e {*}$e2] + #append body { $data} + + set body [list $e {*}$e2] + append body { {*}$data} + + + set applylist [list {data} $body] + #puts stderr $applylist + set r [apply $applylist $r] + } + pipeswitch - pipeswitchc { + #pipeswitch takes a script not a list. + incr i + set e2 [lindex $args $i] + set body [list $e $e2] + #pipeswitch takes 'args' - so expand $data when in pipedata context + append body { {*}$data} + #use applylist instead of uplevel when in pipedata context! + #can use either switchdata/data but not vars in calling context of 'pipedata' command. + #this is consistent with pipeswitch running in a % / .= pipeline which can only access vars in immediate calling context. + set applylist [list {data} $body] + #puts stderr $applylist + set r [apply $applylist $r] + } + default { + #puts "other single arg: [list $e $r]" + append e { $data} + set r [apply [list {data} $e] $r] + } } } elseif {[llength $e] == 0} { #do nothing - pass data through @@ -4758,14 +4822,18 @@ namespace eval punk { return [list stdout [dict get $running_config color_stdout] stderr [dict get $running_config color_stderr]] } else { set lower_onoff [string tolower $onoff] - if {$lower_onoff in [list true on 1]} { - dict set running_config color_stdout [dict get $startup_config color_stdout] - dict set running_config color_stderr [dict get $startup_config color_stderr] - } elseif {$lower_onoff in [list false off 0]} { - dict set running_config color_stdout "" - dict set running_config color_stderr "" - } else { - error "channelcolors: invalid value $onoff - expected true|false|on|off|1|0" + switch -- $lower_onoff { + true - on - 1 { + dict set running_config color_stdout [dict get $startup_config color_stdout] + dict set running_config color_stderr [dict get $startup_config color_stderr] + } + false - off - 0 { + dict set running_config color_stdout "" + dict set running_config color_stderr "" + } + default { + error "channelcolors: invalid value $onoff - expected true|false|on|off|1|0" + } } } return [list stdout [dict get $running_config color_stdout] stderr [dict get $running_config color_stderr]] @@ -5354,19 +5422,18 @@ namespace eval punk { set relativepath [expr {[file pathtype $searchspec] eq "relative"}] set searchbase $opt_searchbase - if {$opt_glob eq ""} { - if {$relativepath} { - set location [file dirname [file join $searchbase $searchspec]] - } else { - set location [file dirname $searchspec] + switch -- $opt_glob { + "" { + if {$relativepath} { + set location [file dirname [file join $searchbase $searchspec]] + } else { + set location [file dirname $searchspec] + } + #here tail is treated as a search-pattern within location whether or not it contains glob chars "?" or "*" + set glob [file tail $searchspec] } - #here tail is treated as a search-pattern within location whether or not it contains glob chars "?" or "*" - set glob [file tail $searchspec] - } else { - set tail [file tail $searchspec] - set tail_has_globs [regexp {[*?]} $tail] - - if {$opt_glob eq "\uFFFF"} { + "\uFFFF" { + set tail_has_globs [regexp {[*?]} [file tail $searchspec]] if {$tail_has_globs} { if {$relativepath} { set location [file dirname [file join $searchbase $searchspec]] @@ -5383,7 +5450,8 @@ namespace eval punk { } set glob * } - } else { + } + default { #-tailglob supplied separately - ignore any globiness in tail segment of searchspec and treat literally if {$relativepath} { set location [file join $searchbase $searchspec] @@ -5800,7 +5868,7 @@ namespace eval punk { set PostDecimalP 0; } - # Now extract any leading spaces. + # Now extract any leading spaces. review - regex for whitespace instead of just ascii space? set ind 0; while {[string equal [string index $number $ind] \u0020]} { incr ind; @@ -6374,12 +6442,14 @@ namespace eval punk { } method unknown {args} { if {[llength $args]} { - set w1 [lindex $args 0] - if {$w1 in [list add delete insert transpose sort set swap]} { - $mcmd {*}$args - return [self] ;#result is the wrapper object for further chaining in pipelines - } else { - tailcall $mcmd {*}$args + switch -- [lindex $args 0] { + add - delete - insert - transpose - sort - set - swap { + $mcmd {*}$args + return [self] ;#result is the wrapper object for further chaining in pipelines + } + default { + tailcall $mcmd {*}$args + } } } else { #will error.. but we should pass that on @@ -6683,17 +6753,22 @@ namespace eval punk { if {![info object isa $type $obj]} continue set type }] - if {"class" in $isa} { - lappend info {class superclasses} {class mixins} {class filters} - lappend info {class methods} {class methods} - lappend info {class variables} {class variables} - } - if {"object" in $isa} { - lappend info {object class} {object mixins} {object filters} - lappend info {object methods} {object methods} - lappend info {object variables} {object variables} - lappend info {object namespace} {object vars} ;#{object commands} + foreach tp $isa { + switch -- $tp { + class { + lappend info {class superclasses} {class mixins} {class filters} + lappend info {class methods} {class methods} + lappend info {class variables} {class variables} + } + object { + lappend info {object class} {object mixins} {object filters} + lappend info {object methods} {object methods} + lappend info {object variables} {object variables} + lappend info {object namespace} {object vars} ;#{object commands} + } + } } + set result [dict create isa $isa] foreach args $info { dict set result $args [info {*}$args $obj] @@ -6747,11 +6822,12 @@ namespace eval punk { } set limit [dict get $opts -limit] set opt_ansi [dict get $opts -ansi] - if {[string tolower $opt_ansi] ni [list 0 1 2 view]} { - error "inspect -ansi 0|1|2|view - received -ansi $opt_ansi" - } - if {[string tolower $opt_ansi] eq "view"} { - set opt_ansi 2 + switch -- [string tolower $opt_ansi] { + 0 - 1 - 2 {} + view {set opt_ansi 2} + default { + error "inspect -ansi 0|1|2|view - received -ansi $opt_ansi" + } } # -- --- --- --- --- @@ -6765,8 +6841,10 @@ namespace eval punk { set val $pipeargs set count [llength $pipeargs] } - if {[string tolower $channel] in {nul null /dev/null}} { - return $val + switch -- [string tolower $channel] { + nul - null - /dev/null { + return $val + } } set displayval $val ;#default - may be overridden based on -limit @@ -7271,17 +7349,21 @@ namespace eval punk { } proc repl {startstop} { - if {$startstop eq "stop"} { - if {$::repl::running} { - puts stdout "Attempting repl stop. Try ctrl-c or exit command to leave interpreter" - set ::repl::done 1 - } - } elseif {$startstop eq "start"} { - if {!$::repl::running} { - repl::start stdin + switch -- $startstop { + stop { + if {$::repl::running} { + puts stdout "Attempting repl stop. Try ctrl-c or exit command to leave interpreter" + set ::repl::done 1 + } + } + start { + if {!$::repl::running} { + repl::start stdin + } + } + default { + error "repl unknown action '$startstop' - must be start or stop" } - } else { - error "repl unknown action '$startstop' - must be start or stop" } } diff --git a/src/modules/punk/ansi-999999.0a1.0.tm b/src/modules/punk/ansi-999999.0a1.0.tm index 73ba43d1..877e2df8 100644 --- a/src/modules/punk/ansi-999999.0a1.0.tm +++ b/src/modules/punk/ansi-999999.0a1.0.tm @@ -49,8 +49,10 @@ #[list_begin itemized] package require Tcl 8.6- +package require punk::char #*** !doctools #[item] [package {Tcl 8.6-}] +#[item] [package {punk::char}] # #package require frobz # #*** !doctools @@ -93,8 +95,9 @@ namespace eval punk::ansi::class { } if {$o_rendered_what ne $o_raw || $dimensions ne $o_render_dimensions} { set b [textblock::block $w $h " "] - set o_rendered [overtype::left $b $o_raw] - set o_rendered_what $o_raw + #some ansi art/layout relies on wrapping at the width-dimension to display properly + set o_rendered [overtype::left -overflow 0 -wrap 1 -appendlines 1 $b $o_raw] + #set o_rendered_what $o_raw set o_render_dimensions $dimensions } @@ -545,20 +548,25 @@ namespace eval punk::ansi { #accept examples for foreground # 256f-# or 256fg-# or 256f# # rgbf--- or rgbfg--- or rgbf-- - if {[string match -nocase "256f*" $i]} { - set cc [string trim [string range $i 4 end] -gG] - lappend t "38;5;$cc" - } elseif {[string match -nocase 256b* $i]} { - set cc [string trim [string range $i 4 end] -gG] - lappend t "48;5;$cc" - } elseif {[string match -nocase rgbf* $i]} { - set rgb [string trim [string range $i 4 end] -gG] - lassign [split $rgb -] r g b - lappend t "38;2;$r;$g;$b" - } elseif {[string match -nocase rgbb* $i]} { - set rgb [string trim [string range $i 4 end] -gG] - lassign [split $rgb -] r g b - lappend t "48;2;$r;$g;$b" + switch -nocase -glob -- $i { + "256f*" { + set cc [string trim [string range $i 4 end] -gG] + lappend t "38;5;$cc" + } + "256b*" { + set cc [string trim [string range $i 4 end] -gG] + lappend t "48;5;$cc" + } + "rgbf*" { + set rgb [string trim [string range $i 4 end] -gG] + lassign [split $rgb -] r g b + lappend t "38;2;$r;$g;$b" + } + "rgbb*" { + set rgb [string trim [string range $i 4 end] -gG] + lassign [split $rgb -] r g b + lappend t "48;2;$r;$g;$b" + } } } } @@ -569,7 +577,7 @@ namespace eval punk::ansi { } return "\x1b\[[join $t {;}]m" } - proc a {args} { + proc a2 {args} { #*** !doctools #[call [fun a] [opt {ansicode...}]] #[para]Returns the ansi code to reset any current settings and apply those from the supplied list @@ -586,32 +594,154 @@ namespace eval punk::ansi { variable SGR_map set t [list] foreach i $args { - if {[string is integer -strict $i]} { - lappend t $i - } elseif {[string first ";" $i] >=0} { - #literal with params - lappend t $i + if {[dict exists $SGR_map $i]} { + lappend t [dict get $SGR_map $i] } else { - if {[dict exists $SGR_map $i]} { - lappend t [dict get $SGR_map $i] - } else { + if {[string is integer -strict $i]} { + lappend t $i + } elseif {[string first ";" $i] >=0} { + #literal with params + lappend t $i + } else { #accept examples for foreground # 256f-# or 256fg-# or 256f# # rgbf--- or rgbfg--- or rgbf-- - if {[string match -nocase "256f*" $i]} { - set cc [string trim [string range $i 4 end] -gG] - lappend t "38;5;$cc" - } elseif {[string match -nocase 256b* $i]} { - set cc [string trim [string range $i 4 end] -gG] - lappend t "48;5;$cc" - } elseif {[string match -nocase rgbf* $i]} { - set rgb [string trim [string range $i 4 end] -gG] - lassign [split $rgb -] r g b - lappend t "38;2;$r;$g;$b" - } elseif {[string match -nocase rgbb* $i]} { - set rgb [string trim [string range $i 4 end] -gG] - lassign [split $rgb -] r g b - lappend t "48;2;$r;$g;$b" + switch -nocase -glob -- $i { + "256f*" { + set cc [string trim [string range $i 4 end] -gG] + lappend t "38;5;$cc" + } + "256b*" { + set cc [string trim [string range $i 4 end] -gG] + lappend t "48;5;$cc" + } + "rgbf*" { + set rgb [string trim [string range $i 4 end] -gG] + lassign [split $rgb -] r g b + lappend t "38;2;$r;$g;$b" + } + "rgbb*" { + set rgb [string trim [string range $i 4 end] -gG] + lassign [split $rgb -] r g b + lappend t "48;2;$r;$g;$b" + } + } + } + } + } + # \033 - octal. equivalently \x1b in hex which is more common in documentation + # empty list [a=] should do reset - same for [a= nonexistant] + # explicit reset at beginning of parameter list for a= (as opposed to a+) + set t [linsert $t 0 0] + return "\x1b\[[join $t {;}]m" + } + proc a {args} { + #*** !doctools + #[call [fun a] [opt {ansicode...}]] + #[para]Returns the ansi code to reset any current settings and apply those from the supplied list + #[para] by calling punk::ansi::a with no arguments - the result is a reset to plain text + #[para] e.g to set foreground red and bold + #[para]punk::ansi::a red bold + #[para]to set background red + #[para]punk::ansi::a Red + #[para]see [cmd punk::ansi::a?] to display a list of codes + + #variable SGR_setting_map { + # bold 1 dim 2 blink 5 fastblink 6 noblink 25 hide 8 normal 22 + # underline 4 doubleunderline 21 nounderline 24 strike 9 nostrike 29 italic 3 noitalic 23 + # reverse 7 noreverse 27 defaultfg 39 defaultbg 49 nohide 28 + # overline 53 nooverline 55 frame 51 framecircle 52 noframe 54 + #} + #variable SGR_colour_map { + # black 30 red 31 green 32 yellow 33 blue 34 purple 35 cyan 36 white 37 + # Black 40 Red 41 Green 42 Yellow 43 Blue 44 Purple 45 Cyan 46 White 47 + # BLACK 100 RED 101 GREEN 102 YELLOW 103 BLUE 104 PURPLE 105 CYAN 106 WHITE 107 + #} + + #don't disable ansi here. + #we want this to be available to call even if ansi is off + #variable SGR_map + set t [list] + foreach i $args { + switch -- $i { + bold {lappend t 1} + dim {lappend t 2} + blink {lappend t 5} + fastblink {lappend t 6} + noblink {lappend t 25} + hide {lappend t 8} + normal {lappend t 22} + underline {lappend t 4} + doubleunderline {lappend t 21} + nounderline {lappend t 24} + strike {lappend t 9} + nostrike {lappend t 29} + italic {lappend t 3} + noitalic {lappend t 23} + reverse {lappend t 7} + noreverse {lappend t 27} + defaultfb {lappend t 39} + defaultbg {lappedn t 49} + nohide {lappend t 28} + overline {lappend t 53} + nooverline {lappend t 55} + frame {lappend t 51} + framecircle {lappend t 52} + noframe {lappend t 54} + black {lappend t 30} + red {lappend t 31} + green {lappend t 32} + yellow {lappend t 33} + blue {lappend t 34} + purple {lappend t 35} + cyan {lappend t 36} + white {lappend t 37} + Black {lappend t 40} + Red {lappend t 41} + Green {lappend t 42} + Yellow {lappend t 43} + Blue {lappend t 44} + Purple {lappend t 45} + Cyan {lappend t 46} + White {lappend t 47} + BLACK {lappend t 100} + RED {lappend t 101} + GREEN {lappend t 101} + YELLOW {lappend t 103} + BLUE {lappend t 104} + PURPLE {lappend t 105} + CYAN {lappend t 106} + WHITE {lappend t 107} + default { + if {[string is integer -strict $i]} { + lappend t $i + } elseif {[string first ";" $i] >=0} { + #literal with params + lappend t $i + } else { + #accept examples for foreground + # 256f-# or 256fg-# or 256f# + # rgbf--- or rgbfg--- or rgbf-- + switch -nocase -glob -- $i { + "256f*" { + set cc [string trim [string range $i 4 end] -gG] + lappend t "38;5;$cc" + } + "256b*" { + set cc [string trim [string range $i 4 end] -gG] + lappend t "48;5;$cc" + } + "rgbf*" { + set rgb [string trim [string range $i 4 end] -gG] + lassign [split $rgb -] r g b + lappend t "38;2;$r;$g;$b" + } + "rgbb*" { + set rgb [string trim [string range $i 4 end] -gG] + lassign [split $rgb -] r g b + lappend t "48;2;$r;$g;$b" + } + } } } } @@ -623,6 +753,9 @@ namespace eval punk::ansi { return "\x1b\[[join $t {;}]m" } + proc ansiwrap {codes text} { + return [a {*}$codes]$text[a] + } @@ -773,24 +906,29 @@ namespace eval punk::ansi { #*** !doctools #[call [fun cursor_save]] #[para] equivalent term::ansi::code::ctrl::sc + #[para] This is the ANSI/SCO cursor save as opposed to the DECSC version + #[para] On many terminals either will work - but cursor_save_dec is shorter and perhaps more widely supported return \x1b\[s } proc cursor_restore {} { #*** !doctools #[call [fun cursor_restore]] #[para] equivalent term::ansi::code::ctrl::rc + #[para] ANSI/SCO - see also cursor_restore_dec for the DECRC version return \x1b\[u } - proc cursor_save_attributes {} { + proc cursor_save_dec {} { #*** !doctools - #[call [fun cursor_save_attributes]] + #[call [fun cursor_save_dec]] #[para] equivalent term::ansi::code::ctrl::sca + #[para] DECSC return \x1b7 } - proc cursor_restore_attributes {} { + proc cursor_restore_dec {} { #*** !doctools #[call [fun cursor_restore_attributes]] - #[para] equivalent term::ansi::code::ctrl::rca + #[para] equivalent term::ansi::code::ctrl::rca + #[para] DECRC return \x1b8 } @@ -902,6 +1040,15 @@ namespace eval punk::ansi { #[para]When written to the terminal, this sequence causes the terminal to emit tabstop information to stdin return \x1b\[2\$w } + proc set_tabstop {} { + return \x1bH + } + proc clear_tabstop {} { + return \x1b\[g + } + proc clear_all_tabstops {} { + return \x1b\[3g + } #alternative to string terminator is \007 - @@ -923,13 +1070,14 @@ namespace eval punk::ansi { } #length of text for printing characters only - #review - unicode and other non-printing chars and combining sequences? + #- unicode and other non-printing chars and combining sequences should be handled by the ansifreestring_width call at the end. #certain unicode chars are full-width (single char 2 columns wide) e.g see "Halfwdith and fullwidth forms" and ascii_fuillwidth blocks in punk::char::charset_names - #review - is there an existing library or better method? print to a terminal and query cursor position? + #review - is there an existing library or better method? printing to a terminal and querying cursor position is relatively slow and terminals lie. #Note this length calculation is only suitable for lines being appended to other strings if the line is pre-processed to account for backspace and carriage returns first #If the raw line is appended to another string without such processing - the backspaces & carriage returns can affect data prior to the start of the string. proc printing_length {line} { - if {[string first \n $line] >= 0} { + #string last faster than string first for long strings anyway + if {[string last \n $line] >= 0} { error "line_print_length must not contain newline characters" } #what if line has \v (vertical tab) ie more than one logical screen line? @@ -955,13 +1103,20 @@ namespace eval punk::ansi { #for this reason - it would seem best to normalize the tabs to spaces prior to performing the backspace calculation - otherwise we won't account for the 'short' tabs it effectivley produces #normalize tabs to an appropriate* width #*todo - handle terminal/context where tabwidth != the default 8 spaces - set line [textutil::tabify::untabify2 $line] + if {[string last \t $line] >= 0} { + if {[info exists punk::console::tabwidth]} { + set tw $::punk::console::tabwidth + } else { + set tw 8 + } + set line [textutil::tabify::untabify2 $line $tw] + } #NOTE - this is non-destructive backspace as it occurs in text blocks - and is likely different to the sequence coming from a terminal or editor which generally does a destructive backspace #e.g #This means for example that abc\b has a length of 3. Trailing or leading backslashes have no effect - set bs [format %c 0x08] + #set bs [format %c 0x08] #set line [string map [list "\r\b" "\r"] $line] ;#backsp following a \r will have no effect set line [string trim $line \b] ;#take off at start and tail only @@ -971,34 +1126,54 @@ namespace eval punk::ansi { #set chars [split $line ""] ; #review - graphemes vs chars? Terminals differ in how they treat this. set chars [punk::char::grapheme_split $line] + set cr_posns [lsearch -all $chars \r] + set bs_posns [lsearch -all $chars \b] + foreach p $cr_posns { + lset chars $p + } + foreach p $bs_posns { + lset chars $p + } + #mintty seems more 'correct'. It will backspace over an entire grapheme (char+combiners) whereas windows terminal/wezterm etc remove a combiner #build an output set idx 0 set outchars [list] set outsizes [list] + # -- + #tcl8.6/8.7 we can get a fast byte-compiled switch statement only with literals in the source code + #this is difficult/risky to maintain - hence the lsearch and grapheme-replacement above + #we could reasonably do it with backspace - but cr is more difficult + #note that \x08 \b etc won't work to create a compiled switch statement even with unbraced (separate argument) form of switch statement. + #set bs "" + #set cr ? + # -- foreach c $chars { - if {$c eq "\b"} { - if {$idx > 0} { - incr idx -1 + switch -- $c { + { + if {$idx > 0} { + incr idx -1 + } } - } elseif {$c eq "\r"} { - set idx 0 - } else { - set nxt [llength $outchars] - if {$idx < $nxt} { - #overstrike? - should usually have no impact on width - width taken as last grapheme in that column - #e.g nroff would organise text such that underline written first, then backspace, then the character - so that terminals without overstrike would display something useful if no overstriking is done - #Conceivably double_wide_char then backspace then underscore would underreport the length if overstriking were intended. - lset outchars $idx $c - } else { - lappend outchars $c + { + set idx 0 + } + default { + #set nxt [llength $outchars] + if {$idx < [llength $outchars]} { + #overstrike? - should usually have no impact on width - width taken as last grapheme in that column + #e.g nroff would organise text such that underline written first, then backspace, then the character - so that terminals without overstrike would display something useful if no overstriking is done + #Conceivably double_wide_char then backspace then underscore would underreport the length if overstriking were intended. + lset outchars $idx $c + } else { + lappend outchars $c + } + #punk::ansi::internal::printing_length_addchar $idx $c + incr idx } - #punk::ansi::internal::printing_length_addchar $idx $c - incr idx } } - set line2 [join $outchars ""] - return [punk::char::ansifreestring_width $line2] + return [punk::char::ansifreestring_width [join $outchars ""]] } @@ -1006,7 +1181,6 @@ namespace eval punk::ansi { #[list_end] [comment {--- end definitions namespace punk::ansi ---}] } - namespace eval punk::ansi { @@ -1119,6 +1293,366 @@ namespace eval punk::ansi { #regexp {\x1b\(B|\x1b\)B} $code regexp {\x1b(?:\(B|\)B)} $code } + #input assumed to be single codes - simple test for 2nd char left bracket and trailing m is done anyway - codes not matching are ignored and passed through + #This is not order-preserving if non-sgr codes are present as they are tacked on to the end even if they initially were before all SGR codes + + variable codestate_empty + set codestate_empty [dict create] + dict set codestate_empty rst "" ;#0 (or empty) + dict set codestate_empty intensity "" ;#1 bold, 2 dim, 22 normal + dict set codestate_empty italic "" ;#3 on 23 off + dict set codestate_empty underline "" ;#4 on 24 off + + #nonstandard 4:3,4:4,4:5 + dict set codestate_empty curlyunderline "" + dict set codestate_empty dottedunderline "" + dict set codestate_empty dashedunderline "" + + dict set codestate_empty blink "" ;#5 or 6 for slow/fast, 25 for off + dict set codestate_empty reverse "" ;#7 on 27 off + dict set codestate_empty hide "" ;#8 on 28 off + dict set codestate_empty strike "" ;#9 on 29 off + dict set codestate_empty font "" ;#10, 11-19 10 being primary + dict set codestate_empty gothic "" ;#20 + dict set codestate_empty doubleunderline "" ;#21 + dict set codestate_empty proportional "" ;#26 - see note below + dict set codestate_empty frame_or_circle "" ;#51,52 on - 54 off (54 off) (not generally used - mintty has repurposed for emoji variation selector) + + #ideogram rarely supported - this implementation untested - each attribute kept separate as they presumably can be applied simultaneously + dict set codestate_empty ideogram_underline "" + dict set codestate_empty ideogram_doubleunderline "" + dict set codestate_empty ideogram_overline "" + dict set codestate_empty ideogram_doubleoverline "" + dict set codestate_empty ideogram_clear "" + + dict set codestate_empty overline "" ;#53 on 55 off - probably not supported - pass through. + dict set codestate_empty underlinecolour "" ;#58 - same arguments as 256color and rgb (nonstandard - in Kitty ,VTE,mintty and iTerm2) + + # -- mintty? + dict set codestate_empty superscript "" ;#73 + dict set codestate_empty subscript "" ;#74 + dict set codestate_empty nosupersub "" ;#75 + # -- + + dict set codestate_empty fgbright "" ;#90-97 - keeping separate to fg ie unmerged with it. unsure how it interacts or is used. REVIEW. + dict set codestate_empty bgbright "" ;#100-107 as above + + dict set codestate_empty fg "" + dict set codestate_empty bg "" + + + proc sgr_merge {args} { + variable codestate_empty + set othercodes [list] + + set codestate $codestate_empty + set codestate_initial $codestate_empty ;#keep a copy for resets. + set did_reset 0 + + foreach c $args { + switch -- [string index $c 1][string index $c end] { + {[m} { + set params [string range $c 2 end-1] ;#strip leading esc lb and trailing m + + #some systems use colon for 256 colors or RGB or nonstandard subparameters + #- it is therefore probably not ok to map to semicolon within SGR codes and treat the same. + # - will break mintty? set params [string map [list : {;}] $params] + set plist [split $params {;}] + if {![llength $plist]} { + #if there was nothing - it must be a reset - we need it in the list + lappend plist "" + } + #we shouldn't get an empty or zero param beyond index 0 - but it's possible + #some codes have additional parameters - e.g rgb colours so we need to jump forward in the parameter list sometimes. + for {set i 0} {$i < [llength $plist]} {incr i} { + set p [lindex $plist $i] + set paramsplit [split $p :] + #for some cases we passthrough $p instead of just the number - in case another implementation uses the colon subparameters + #e.g see https://github.com/mintty/mintty/wiki/Tips#text-attributes-and-rendering + #this may have originated with kitty? + #windows terminal seems to be implementing it too + #however, they can be completely repurposed - so we probably need to specifically support them.. REVIEW. + + #review - what about \x1b\[000m + #we need to accept/ignore leading zeros - we can't just pass to expr - as some tcl versions still see leading zero as octal + set codeint [string trimleft [lindex $paramsplit 0] 0] + switch -- $codeint { + "" - 0 { + set codestate $codestate_initial + set did_reset 1 + } + 1 { + #bold + if {[llength $paramsplit] == 1} { + dict set codestate intensity $p + } else { + if {[lindex $paramsplit 1] eq "2"} { + dict set codestate shadowed "1:2" ;#turn off also with 22 + } + } + } + 2 { + #dim + dict set codestate intensity 2 + } + 3 { + dict set codestate italic 3 + } + 4 { + if {[llength $paramsplit] == 1} { + dict set codestate underline 4 + } else { + switch -- [lindex $paramsplit 1] { + 0 { + #no underline + dict set codestate underline 24 + dict set codestate curlyunderline "" + dict set codestate dottedunderline "" + dict set codestate dashedunderline "" + } + 1 { + dict set codestate underline 4 ;#straight underline + } + 2 { + dict set codestate doubleunderline 21 + } + 3 { + dict set codestate curlyunderline "4:3" + } + 4 { + dict set codestate dottedunderline "4:4" + } + 5 { + dict set codestate dashedunderline "4:5" + } + } + + } + } + 5 - 6 { + dict set codestate blink $p + } + 7 { + dict set codestate reverse 7 + } + 8 { + dict set codestate hide 8 + } + 9 { + dict set codestate strike 9 + } + 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 { + dict set codestate font $p + } + 20 { + dict set codestate gothic 20 + } + 21 { + #ECMA-48 double underline - some terminals use as not-bold. For now we won't support that. + dict set doubleunderline 21 + } + 22 { + #normal intensity + dict set codestate intensity 22 + dict set codestate shadowed "" + } + 23 { + #? wikipedia mentions blackletter - review + dict set codestate italic 23 + } + 24 { + dict set codestate underline 24 ;#off + dict set codestate curlyunderline "" + dict set codestate dottedunderline "" + dict set codestate dashedunderline "" + } + 25 { + dict set codestate blink 25 ;#off + } + 26 { + #not known to be used in terminals.. could it be used with elastic tabstops? - review + dict set codestate proportional 26 + } + 27 { + dict set codestate reverse 27 ;#off + } + 28 { + dict set codestate hide 28 ;#reveal + } + 29 { + dict set codestate strik 29;#off + } + 30 - 31 - 32 - 33 - 34 - 35 - 36 - 37 { + dict set codestate fg $p ;#foreground colour + } + 38 { + #256 color or rgb + #check if subparams supplied as colon separated + if {[string first : $p] < 0} { + switch -- [lindex $plist $i+1] { + 5 { + #256 - 1 more param + dict set codestate fg "5\;[lindex $plist $i+2]" + incr i 2 + } + 2 { + #rgb + dict set codestate fg "2\;[lindex $plist $i+2]\;[lindex $plist $i+3]\;[lindex $plist $i+4]" + incr i 4 + } + } + } else { + #apparently subparameters can be left empty - and there are other subparams like transparency and color-space + #we should only need to pass it all through for the terminal to understand + #review + dict set codestate fg $p + } + } + 39 { + dict set codestate fg 39 ;#default foreground + } + 40 - 41 - 42 - 43 - 44 - 45 - 46 - 47 { + dict set codestate bg $p ;#background colour + } + 48 { + #256 color or rgb + if {[string first : $p] < 0} { + switch -- [lindex $plist $i+1] { + 5 { + #256 - 1 more param + dict set codestate bg "5\;[lindex $plist $i+2]" + incr i 2 + } + 2 { + #rgb + dict set codestate bg "2\;[lindex $plist $i+2]\;[lindex $plist $i+3]\;[lindex $plist $i+4]" + incr i 4 + } + } + } else { + dict set codestate bg $p + } + } + 49 { + dict set codestate bg 49 ;#default background + } + 50 { + dict set codestate proportional 50 ;#off - see 26 + } + 51 - 52 { + dict set codestate frame_or_circle 51 + } + 53 { + dict set codestate overline 53 ;#not supported in terminals? pass through anyway + } + 54 { + dict set codestate frame_or_circle 54 ;#off + } + 55 { + dict set codestate overline 55; #off + } + 58 { + #nonstandard + #256 color or rgb + if {[string first : $p] < 0} { + switch -- [lindex $plist $i+1] { + 5 { + #256 - 1 more param + dict set codestate underlinecolour "5\;[lindex $plist $i+2]" + incr i 2 + } + 2 { + #rgb + dict set codestate underlinecolour "2\;[lindex $plist $i+2]\;[lindex $plist $i+3]\;[lindex $plist $i+4]" + incr i 4 + } + } + } else { + dict set codestate underlinecolour $p + } + } + 59 { + #nonstandard - default underlinecolour + dict set codestate underlinecolour 59 + } + 60 { + dict set codestate ideogram_underline 60 + dict set codestate ideogram_clear "" + } + 61 { + dict set codestate ideogram_doubleunderline 61 + dict set codestate ideogram_clear "" + } + 62 { + dict set codestate ideogram_overline 62 + dict set codestate ideogram_clear "" + } + 63 { + dict set codestate ideogram_doubleoverline 63 + dict set codestate ideogram_clear "" + } + 64 { + dict set codestate ideogram_stress 64 + dict set codestate ideogram_clear "" + } + 65 { + dict set codestate ideogram_clear 65 + #review - we still need to pass through the ideogram_clear in case something understands it + dict set codestate ideogram_underline "" + dict set codestate ideogram_doubleunderline "" + dict set codestate ideogram_overline "" + dict set codestate ideogram_doubleoverline "" + } + 73 { + #mintty only? + #can be combined with subscript + dict set codestate superscript 73 + dict set codestate nosupersub "" + } + 74 { + dict set codestate subscript 74 + dict set codestate nosupersub "" + } + 75 { + dict set codestate nosupersub 75 + dict set codestate superscript "" + dict set codestate subcript "" + } + 90 - 91 - 92 - 93 - 94 - 95 - 96 - 97 { + #does this belong with fg? REVIEW + dict set codestate fgbright $p + } + 100 - 101 - 102 - 103 - 104 - 105 - 106 - 107 { + dict set codestate bgbright $p + } + + } + } + } + default { + lappend othercodes $c + } + } + + } + + set codemerge "" + dict for {k v} $codestate { + switch -- $v { + "" { + + } + default { + append codemerge "${v}\;" + } + } + } + set codemerge [string trimright $codemerge {;}] + if {$did_reset} { + set codemerge "0\;$codemerge" + } + return "\x1b\[${codemerge}m[join $othercodes ""]" + } #has_sgr_reset - rather than support this function - create an sgr normalize function that removes dead params and brings reset to front of param list? @@ -1349,14 +1883,35 @@ namespace eval punk::ansi::ta { } lappend list [string range $text $start $matchStart-1] [string range $text $matchStart $matchEnd] set start [expr {$matchEnd+1}] - #? if {$start >= [string length $text]} { break } } - lappend list [string range $text $start end] - return $list + return [lappend list [string range $text $start end]] + } + proc _perlish_split2 {re text} { + if {[string length $text] == 0} { + return {} + } + set list [list] + set start 0 + #We can get $matchEnd < $matchStart; we need to ensure there is an exit condition for non-greedy empty results REVIEW + while {[regexp -start $start -indices -- $re $text match]} { + lassign $match matchStart matchEnd + #puts "->start $start ->match $matchStart $matchEnd" + if {$matchEnd < $matchStart} { + lappend list [string range $text $start $matchStart-1] [string index $text $matchStart] + incr start + } else { + lappend list [string range $text $start $matchStart-1] [string range $text $matchStart $matchEnd] + set start [expr {$matchEnd+1}] + } + if {$start >= [string length $text]} { + break + } + } + return [lappend list [string range $text $start end]] } proc _ws_split {text} { regexp -all -inline {(?:\S+)|(?:\s+)} $text @@ -1378,7 +1933,7 @@ namespace eval punk::ansi::ansistring { namespace path [list ::punk::ansi ::punk::ansi::ta] namespace ensemble create - namespace export length trim trimleft trimright index VIEW VIEWCODES + namespace export length length1 trim trimleft trimright index VIEW VIEWCODES INDEXABSOLUTE INDEXCOLUMNS COLUMNINDEX #todo - expose _splits_ methods so caller can work efficiently with the splits themselves #we need to consider whether these can be agnostic towards splits from split_codes vs split_codes_single @@ -1492,6 +2047,180 @@ namespace eval punk::ansi::ansistring { # E03E 9E PM PM Symbol for Privacy Message # E03F 9F APC AP Symbol for Application Program Command + variable debug_visuals + #modern (c0 seem to have more terminal/font support - C1 can show 8bit c1 codes - but also seems to be limited support) + + #Goal is not to map every control character? + #Map of which elements we want to convert - done this way so we can see names of control's that are included: - ease of maintenance compared to just creating the string map directly + #ETX -ctrl-c + #EOT ctrl-d (EOF?) + #SYN ctrl-v + #SUB ctrl-z + #CAN ctrl-x + #FS ctrl-\ (SIGQUIT) + set visuals_interesting [dict create\ + NUL [list \x00 \u2400]\ + ETX [list \x03 \u2403]\ + EOT [list \x04 \u2404]\ + BEL [list \x07 \u2407]\ + SYN [list \x16 \u2416]\ + CAN [list \x18 \u2418]\ + SUB [list \x1a \u241a]\ + FS [list \x1c \u241c]\ + SOS [list \x98 \ue038]\ + CSI [list \x9b \ue03b]\ + ST [list \x9c \ue03c]\ + PM [list \x9e \ue03e]\ + APC [list \x9f \ue03f]\ + ] + #it turns out we need pretty much everything for debugging + set visuals_c0 [dict create\ + NUL [list \x00 \u2400]\ + SOH [list \x01 \u2401]\ + STX [list \x02 \u2402]\ + ETX [list \x03 \u2403]\ + EOT [list \x04 \u2404]\ + ENQ [list \x05 \u2405]\ + ACK [list \x06 \u2406]\ + BEL [list \x07 \u2407]\ + FF [list \x0c \u240c]\ + SO [list \x0e \u240e]\ + SF [list \x0f \u240f]\ + DLE [list \x10 \u2410]\ + DC1 [list \x11 \u2411]\ + DC2 [list \x12 \u2412]\ + DC3 [list \x13 \u2413]\ + DC4 [list \x14 \u2414]\ + NAK [list \x15 \u2415]\ + SYN [list \x16 \u2416]\ + ETB [list \x17 \u2417]\ + CAN [list \x18 \u2418]\ + EM [list \x19 \u2419]\ + SUB [list \x1a \u241a]\ + FS [list \x1c \u241c]\ + GS [list \x1d \u241d]\ + RS [list \x1e \u241e]\ + US [list \x1f \u241f]\ + DEL [list \x7f \u2421]\ + ] + #alternate symbols for space + # \u2422 Blank Symbol (b with forwardslash overly) + # \u2423 Open Box (square bracket facing up like a tray/box) + + # \u2424 Symbol for Newline (small "NL") + + # \u2425 Symbol for Delete Form Two (some sort of fat forward-slash thing) + + # \u2426 Symbol for Substitute Form Two (backwards question mark) + + #these are in the PUA (private use area) unicode block - seem to be rarely supported + #the unicode consortium has apparently neglected to provide separate visual representation codepoints for not only the c1 controls (some of which ARE still used e.g in sixels) but various other non-printing chars such as BOM + #The debugging/analysis usecase is an important one - surely moreso that some of the emoji stuff coming out of there. + #we'll hack in some stuff as needed - may override some of the visuals_c1 which is usually just empty/substitute glyphs + #Being repurposed - these could potentially be confused with actual characters depending on the debugging context + #To minimize potential confusion - we'll use a longer replacement sequence - which is not ideal from the perspective of terminal column layout debugging + #A single unique glyph would be better - although the bracketing for 8-bit codes is a useful visual indicator + #(review - BOM should use different brackets to c1?) + + #todo - regularly check if unicode has improved in this area - though with requests for c1 visuals dating back to at least 2011 - it's doubtful. + #for 8-bit controls - we will standardize on a fixed width of 4 bracketing with: + #\u2987 and \u2988 from Miscellaneous Mathematical Symbols-B (D or fractional-moon shaped brackets) + #\u2987 - Z Notation Left Image Bracket + #\u2988 - Z Notation Right Image Bracket + #selection of these is also based on them being seemingly reasonably widely available in fonts.. review + #my apologies if you're debugging z-notation strings! + #If only column's-worth of symbol/char needed between the brackets - pad with a space before the closing bracket + + #8-bit brackets + set ob8 \u2987; set cb8 \u2988 ;#z-notation image brackets + + #miscellaneous debug code brackets + set obm \u27e6 ;set cbm \u27e7 ;#square double brackets from Miscellaneous Mathematical Symbols-A + + #this private range so rarely supported in fonts - and visuals are unknown, so we will make up some 2-letter codes for now + #set visuals_c1 [dict create\ + # BPH [list \x82 "${ob8}\ue022 $cb8"]\ + # NBH [list \x83 "${ob8}\ue023 $cb8"]\ + # IND [list \x84 "${ob8}\ue024 $cb8"]\ + # NEL [list \x85 "${ob8}\ue025 $cb8"]\ + # SSA [list \x86 "${ob8}\ue026 $cb8"]\ + # ESA [list \x87 "${ob8}\ue027 $cb8"]\ + # HTS [list \x88 "${ob8}\ue028 $cb8"]\ + # HTJ [list \x89 "${ob8}\ue029 $cb8"]\ + # VTS [list \x8a "${ob8}\ue02a $cb8"]\ + # PLD [list \x8b "${ob8}\ue02a $cb8"]\ + # PLU [list \x8c "${ob8}\ue02c $cb8"]\ + # RI [list \x8d "${ob8}\ue02d $cb8"]\ + # SS2 [list \x8e "${ob8}\ue02e $cb8"]\ + # SS3 [list \x8f "${ob8}\ue02f $cb8"]\ + # DCS [list \x90 "${ob8}\ue030 $cb8"]\ + # PU1 [list \x91 "${ob8}\ue031 $cb8"]\ + # PU2 [list \x92 "${ob8}\ue032 $cb8"]\ + # STS [list \x93 "${ob8}\ue033 $cb8"]\ + # CCH [list \x94 "${ob8}\ue034 $cb8"]\ + # MW [list \x95 "${ob8}\ue035 $cb8"]\ + # SPA [list \x96 "${ob8}\ue036 $cb8"]\ + # EPA [list \x97 "${ob8}\ue037 $cb8"]\ + # SOS [list \x98 "${ob8}\ue038 $cb8"]\ + # SCI [list \x9a "${ob8}\ue03a $cb8"]\ + # CSI [list \x9b "${ob8}\ue03b $cb8"]\ + # ST [list \x9c "${ob8}\ue03c $cb8"]\ + # OSC [list \x9d "${ob8}\ue03d $cb8"]\ + # PM [list \x9e "${ob8}\ue03e $cb8"]\ + # APC [list \x9f "${ob8}\ue03f $cb8"]\ + #] + + #these 2 letter codes only need to disambiguate within the c1 set - they're not great. + #these sit within the Latin-1 Supplement block + set visuals_c1 [dict create\ + PAD [list \x80 "${ob8}PD$cb8"]\ + HOP [list \x81 "${ob8}HP$cb8"]\ + BPH [list \x82 "${ob8}BP$cb8"]\ + NBH [list \x83 "${ob8}NB$cb8"]\ + IND [list \x84 "${ob8}IN$cb8"]\ + NEL [list \x85 "${ob8}NE$cb8"]\ + SSA [list \x86 "${ob8}SS$cb8"]\ + ESA [list \x87 "${ob8}ES$cb8"]\ + HTS [list \x88 "${ob8}HS$cb8"]\ + HTJ [list \x89 "${ob8}HT$cb8"]\ + VTS [list \x8a "${ob8}VT$cb8"]\ + PLD [list \x8b "${ob8}PD$cb8"]\ + PLU [list \x8c "${ob8}PU$cb8"]\ + RI [list \x8d "${ob8}RI$cb8"]\ + SS2 [list \x8e "${ob8}S2$cb8"]\ + SS3 [list \x8f "${ob8}S3$cb8"]\ + DCS [list \x90 "${ob8}DC$cb8"]\ + PU1 [list \x91 "${ob8}P1$cb8"]\ + PU2 [list \x92 "${ob8}P2$cb8"]\ + STS [list \x93 "${ob8}SX$cb8"]\ + CCH [list \x94 "${ob8}CC$cb8"]\ + MW [list \x95 "${ob8}MW$cb8"]\ + SPA [list \x96 "${ob8}SP$cb8"]\ + EPA [list \x97 "${ob8}EP$cb8"]\ + SOS [list \x98 "${ob8}SO$cb8"]\ + SCI [list \x9a "${ob8}SC$cb8"]\ + CSI [list \x9b "${ob8}CS$cb8"]\ + ST [list \x9c "${ob8}ST$cb8"]\ + OSC [list \x9d "${ob8}OS$cb8"]\ + PM [list \x9e "${ob8}PM$cb8"]\ + APC [list \x9f "${ob8}AP$cb8"]\ + ] + + + set hack [dict create] + dict set hack BOM1 [list \uFEFF "${obm}\U1f4a3$cbm"] ;#byte order mark/ ZWNBSP (ZWNBSP usage generally deprecated) - a picture of a bomb(2wide glyph) + #review - other boms? Encoding dependent? + + dict set hack DCS [list \x90 "${ob8}\u2328 $cb8"] ;#keyboard from Miscellaneous Technical - 1 wide + pad. + dict set hack SOS [list \x98 "${ob8}\u2380 $cb8"] ;#Insertion Symbol from Miscellaneous Technical - 1 wide + pad + dict set hack ST [list \x9c "${ob8}\u2383 $cb8"] ;#Emphasis Symbol from Miscellaneous Technical - 1 wide + pad (graphically related to \u2380) + dict set hack CSI [list \x9b "${ob8}\u2386 $cb8"] ;#Enter Symbol from Miscellaneous Technical - 1 wide + pad + dict set hack OSC [list \x9d "${ob8}\u2b55$cb8"] ;#bright red ring from Miscellaneous Symbols and Arrows - 2 wide (OSC could be used for clipboard or other potentially security sensitive functions) + dict set hack PM [list \x9e "${ob8}PM$cb8"] + dict set hack APC [list \x9f "${ob8}\U1f534$cb8"] ;#bright red ball from Miscellaneoust Symbols and Pictographs - 2 wide (APC also noted as a potential security risk) + + set debug_visuals [dict merge $visuals_c0 $visuals_c1 $hack] + proc VIEW {args} { #*** !doctools #[call [fun VIEW] [arg string]] @@ -1500,6 +2229,8 @@ namespace eval punk::ansi::ansistring { #[para]Horizontal tab is mapped to \\U2409 '\U2409'. For many of the punk terminal text operations, tabs have already been mapped to the appropriate number of spaces using textutil::tabify functions #[para]As punkshell uses linefeed where possible in preference to crlf even on windows, cr is mapped to \\U240D '\U240D' - but lf is left as is. + variable debug_visuals + if {![llength $args]} { return "" } @@ -1530,92 +2261,6 @@ namespace eval punk::ansi::ansistring { # -- --- --- --- --- - #modern (c0 seem to have more terminal/font support - C1 can show 8bit c1 codes - but also seems to be limited support) - - #Goal is not to map every control character? - #Map of which elements we want to convert - done this way so we can see names of control's that are included: - ease of maintenance compared to just creating the string map directly - #ETX -ctrl-c - #EOT ctrl-d (EOF?) - #SYN ctrl-v - #SUB ctrl-z - #CAN ctrl-x - #FS ctrl-\ (SIGQUIT) - set visuals_interesting [dict create\ - NUL [list \x00 \u2400]\ - ETX [list \x03 \u2403]\ - EOT [list \x04 \u2404]\ - BEL [list \x07 \u2407]\ - SYN [list \x16 \u2416]\ - CAN [list \x18 \u2418]\ - SUB [list \x1a \u241a]\ - FS [list \x1c \u241c]\ - SOS [list \x98 \ue038]\ - CSI [list \x9b \ue03b]\ - ST [list \x9c \ue03c]\ - PM [list \x9e \ue03e]\ - APC [list \x9f \ue03f]\ - ] - #it turns out we need pretty much everything for debugging - set visuals_c0 [dict create\ - NUL [list \x00 \u2400]\ - SOH [list \x01 \u2401]\ - STX [list \x02 \u2402]\ - ETX [list \x03 \u2403]\ - EOT [list \x04 \u2404]\ - ENQ [list \x05 \u2405]\ - ACK [list \x06 \u2406]\ - BEL [list \x07 \u2407]\ - FF [list \x0c \u240c]\ - SO [list \x0e \u240e]\ - SF [list \x0f \u240f]\ - DLE [list \x10 \u2410]\ - DC1 [list \x11 \u2411]\ - DC2 [list \x12 \u2412]\ - DC3 [list \x13 \u2413]\ - DC4 [list \x14 \u2414]\ - NAK [list \x15 \u2415]\ - SYN [list \x16 \u2416]\ - ETB [list \x17 \u2417]\ - CAN [list \x18 \u2418]\ - EM [list \x19 \u2419]\ - SUB [list \x1a \u241a]\ - FS [list \x1c \u241c]\ - GS [list \x1d \u241d]\ - RS [list \x1e \u241e]\ - US [list \x1f \u241f]\ - DEL [list \x7f \u2421]\ - ] - set visuals_c1 [dict create\ - BPH [list \x82 \ue022]\ - NBH [list \x83 \ue023]\ - IND [list \x84 \ue024]\ - NEL [list \x85 \ue025]\ - SSA [list \x86 \ue026]\ - ESA [list \x87 \ue027]\ - HTS [list \x88 \ue028]\ - HTJ [list \x89 \ue029]\ - VTS [list \x8a \ue02a]\ - PLD [list \x8b \ue02a]\ - PLU [list \x8c \ue02c]\ - RI [list \x8d \ue02d]\ - SS2 [list \x8e \ue02e]\ - SS3 [list \x8f \ue02f]\ - DCS [list \x90 \ue030]\ - PU1 [list \x91 \ue031]\ - PU2 [list \x92 \ue032]\ - STS [list \x93 \ue033]\ - CCH [list \x94 \ue034]\ - MW [list \x95 \ue035]\ - SPA [list \x96 \ue036]\ - EPA [list \x97 \ue037]\ - SOS [list \x98 \ue038]\ - SCI [list \x9a \ue03a]\ - CSI [list \x9b \ue03b]\ - ST [list \x9c \ue03c]\ - OSC [list \x9d \ue03d]\ - PM [list \x9e \ue03e]\ - APC [list \x9f \ue03f]\ - ] set visuals_opt [dict create] if {$opt_esc} { @@ -1640,7 +2285,7 @@ namespace eval punk::ansi::ansistring { dict set visuals_opt SP [list \x20 \u2420] } - set visuals [dict merge $visuals_opt $visuals_c0 $visuals_c1] + set visuals [dict merge $visuals_opt $debug_visuals] set charmap [list] dict for {nm chars} $visuals { lappend charmap {*}$chars @@ -1652,30 +2297,96 @@ namespace eval punk::ansi::ansistring { #return [string map [list \033 \U2296 \007 \U237E] $string] } proc VIEWCODES {string} { - if {![llength $string]} { + if {$string eq ""} { return "" } - set redb [a+ red bold] - set greenb [a+ green bold] - set GX [a+ black White bold] - set unk [a+ yellow bold] + set redb [a+ red bold] ;#osc/apm ? anything with potential security risks or that is unusual + set greenb [a+ green bold] ;#SGR + set cyanb [a+ cyan bold] ;#col,row movement + set blueb [a+ blue bold] ;# + set blueb_r [a+ blue bold reverse] + set whiteb [a+ white bold] ;#SGR reset (or highlight first part if leading reset) + set GX [a+ black White bold] ;#alt graphics + set unk [a+ yellow bold] ;#unknown/unhandled set RST [a] + set re_col_move {\x1b\[([0-9]*)(C|D|G)$} + set re_row_move {\x1b\[([0-9]*)(A|B)$} + set re_both_move {\x1b\[([0-9]*)(?:;){0,1}([0-9]*)H$} + set re_vt_sequence {\x1b\[([0-9]*)(?:;){0,1}([0-9]*)~$} + set re_cursor_save {\x1b\[s$} + set re_cursor_restore {\x1b\[u$} + set re_cursor_save_dec {\x1b7$} + set re_cursor_restore_dec {\x1b8$} + + set arrow_left \u2190 + set arrow_right \u2192 + set arrow_up \u2191 + set arrow_down \u2193 + set arrow_lr \u2194 + set arrow_du \u2195 + #2024 - there is no 4-arrow symbol or variations (common cursor and window icon) in unicode - despite requests and argument from the community that this has been in use for decades. + #They are probably too busy with stupid emoji additions to add this or c1 visualization glyphs. + #don't split into lines first - \n is valid within ST sections set output "" set splits [punk::ansi::ta::split_codes_single $string] foreach {pt code} $splits { append output "$pt" if {[punk::ansi::codetype::is_sgr_reset $code]} { - append output ${greenb}RST$RST + set displaycode [ansistring VIEW $code] + append output ${whiteb}$displaycode$RST } elseif {[punk::ansi::codetype::is_gx_open $code]} { append output ${GX}GX+$RST } elseif {[punk::ansi::codetype::is_gx_close $code]} { append output ${GX}GX-$RST } elseif {[punk::ansi::codetype::is_sgr $code]} { - append output ${greenb}[ansistring VIEW $code]$RST + set displaycode [ansistring VIEW $code] + if {[punk::ansi::codetype::has_sgr_leadingreset $code]} { + #highlight the esc & leftbracket in white as indication there is a leading reset + set cposn [string first ";" $displaycode] + append output ${whiteb}[string range $displaycode 0 $cposn]$RST${greenb}[string range $displaycode $cposn+1 end]$RST + } else { + append output ${greenb}$displaycode$RST + } } else { - append output ${unk}[ansistring VIEW $code]$RST + switch -regexp -matchvar matchinfo -- $code\ + $re_row_move { + set displaycode [ansistring VIEW $code] + set displaycode [string map [list A "C$arrow_up" B "D$arrow_down"] $displaycode] + append output ${cyanb}$displaycode$RST + }\ + $re_col_move { + lassign $matchinfo _match num type + set displaycode [ansistring VIEW $code] + set displaycode [string map [list C "C$arrow_right" D "D$arrow_left" G "G$arrow_lr"] $displaycode] + append output ${cyanb}$displaycode$RST + }\ + $re_both_move { + lassign $matchinfo _match row col + set displaycode [ansistring VIEW $code] + if {$col eq ""} { + #row only move + set map [list H "H${arrow_lr}"] + } else { + #row and col move + set map [list H "H${arrow_lr}${arrow_du}"] + } + set displaycode [string map $map $displaycode] + append output ${cyanb}$displaycode$RST + }\ + $re_cursor_save -\ + $re_cursor_save_dec { + append output ${blueb}[ansistring VIEW $code]$RST + }\ + $re_cursor_restore -\ + $re_cursor_restore_dec { + append output ${blueb_r}[ansistring VIEW $code]$RST + }\ + default { + append output ${unk}[ansistring VIEW $code]$RST + } + } } return $output @@ -1697,6 +2408,12 @@ namespace eval punk::ansi::ansistring { #we want length to return number of glyphs.. not screen width. Has to be consistent with index function string length [stripansi $string] } + #included as a test/verification - slightly slower. + #grapheme split version may end up being used once it supports unicode grapheme clusters + proc length2 {string} { + #we want length to return number of glyphs.. not screen width. Has to be consistent with index function + return [llength [punk::char::grapheme_split [stripansi $string]]] + } proc trimleft {string args} { set intext 0 @@ -1861,6 +2578,222 @@ namespace eval punk::ansi::ansistring { } } + #helper to convert indices (possibly of form x+y end-x etc) to numeric values within the payload range i.e without ansi + #return empty string for each index that is out of range + #review - this is possibly too slow to be very useful as is. + # consider converting to oo and maintaining state of ansisplits so we don't repeat relatively expensive operations for same string + proc INDEXABSOLUTE {string args} { + set payload_len -1 ;# -1 as token to indicate we haven't calculated it yet (only want to call it once at most) + set testindices [list] + foreach index $args { + if {[string is integer -strict $index]} { + if {$index < 0} { + lappend testindices "" + } elseif {$index > [string length $string]} { + #this only short-circuits an index greater than length including ansi-chars + #we don't want to spend cycles stripping ansi for this test so code below will still have to handle index just larger than content-length but still less than entire length + lappend testindices "" + } else { + lappend testindices $index + } + } else { + if {[string match end* $index]} { + #for end- we will probably have to blow a few cycles stripping first and calculate the length + if {$index ne "end"} { + set op [string index $index 3] + set offset [string range $index 4 end] + if {$op ni {+ -} || ![string is integer -strict $offset]} {error "bad index '$index': must be integer?\[+-\]integer? or end?\[+-\]integer?"} + if {$op eq "+" && $offset != 0} { + lappend testindices "" + continue + } + } else { + set offset 0 + } + #by now, if op = + then offset = 0 so we only need to handle the minus case + if {$payload_len == -1} { + set payload_len [punk::ansi::ansistring::length $string] ;#a little bit wasteful - but hopefully no big deal + } + if {$offset == 0} { + set index [expr {$payload_len-1}] + } else { + set index [expr {($payload_len-1) - $offset}] + } + if {$index < 0} { + lappend testindices "" + } else { + lappend testindices $index + } + } else { + #we are trying to avoid evaluating unbraced expr of potentially insecure origin + regexp {^([+-]{0,1})(.*)} $index _match sign tail ;#should always match - even empty string + if {[string is integer -strict $tail]} { + #plain +- + if {$op eq "-"} { + #return nothing for negative indices as per Tcl's lindex etc + lappend indices "" + continue + } + set index $tail + lappend testindices $index + } else { + if {[regexp {(.*)([+-])(.*)} $index _match a op b]} { + if {[string is integer -strict $a] && [string is integer -strict $b]} { + if {$op eq "-"} { + set index [expr {$a - $b}] + } else { + set index [expr {$a + $b}] + } + } else { + error "bad index '$index': must be integer?\[+-\]integer? or end?\[+-\]integer?" + } + } else { + error "bad index '$index': must be integer?\[+-\]integer? or end?\[+-\]integer?" + } + lappend testindices $index + } + } + } + #assert - we made exactly one append to testindices if there was no error + } + #we now have numeric or empty string indices - but haven't fully checked they are within the underlying payload length + + if {[join $testindices ""] eq ""} { + #don't calc ansistring length if no indices to check + return $testindices + } + if {$payload_len == -1} { + set payload_len [punk::ansi::ansistring::length $string] + } + set indices [list] + foreach ti $testindices { + if {$ti ne ""} { + if {$ti < $payload_len} { + lappend indices $ti + } else { + lappend indices "" + } + } else { + lappend indices "" + } + } + return $indices + + } + + #Todo - rows! + #return pair of column extents occupied by the character index supplied. + #single-width grapheme will return pair of integers of equal value + #doulbe-width grapheme will return a pair of consecutive indices + proc INDEXCOLUMNS {string idx} { + #There is an index per grapheme - whether it is 1 or 2 columns wide + set index [lindex [INDEXABSOLUTE $string $idx] 0] + if {$index eq ""} { + return "" + } + set ansisplits [split_codes_single $string]; #we get empty pt(plaintext) between each ansi code that is in a run + set low -1 ;#low and high grapheme indexes + set high -1 + set lowc 0 ;#low and high column (1 based) + set highc 0 + set col1 "" + set col2 "" + set row 1 + foreach {pt code} $ansisplits { + if {$pt ne ""} { + set ptlines [split $pt \n] + set ptlinecount [llength $ptlines] + set ptlineindex 0 + foreach ptline $ptlines { + set graphemes [punk::char::grapheme_split $ptline] + if {$ptlineindex > 0} { + #todo - account for previous \n as a grapheme .. what column? It should theoretically be in the rightmost column + #zero width + set low [expr {$high + 1}] + set lowc [expr {$highc + 1}] + set high $low + set highc $lowc + if {$index == $low} { + set char \n + set col1 $lowc + set col2 $col1 + break + } + incr row + set lowc 0 + set highc 0 + } + set low [expr {$high + 1}] ;#last high + set lowc [expr {$highc + 1}] + set high [expr {$low + [llength $graphemes] -1}] + set highc [expr {$lowc + [punk::char::ansifreestring_width $ptline] -1}] + #puts "---row:$row lowc:$lowc highc:$highc $ptline graphemes:$graphemes" + if {$index >= $low && $index <= $high} { + set char [lindex $graphemes $index-$low] + set prefix [join [lrange $graphemes 0 [expr {$index-$low-1}]] ""] + set prefixlen [punk::char::ansifreestring_width $prefix] + set col1 [expr {$lowc + $prefixlen}] + set gwidth [punk::char::ansifreestring_width $char] + if {$gwidth < 1} { + puts stderr "ansistring INDEXCOLUMNS warning - grapheme width zero at column $col1 ??" + return "" ;#grapheme doesn't occupy a column and isn't a newline? - review + } + set col2 [expr {$col1 + ($gwidth -1)}] + break + } + incr ptlineindex + } + } + } + if {$col1 ne "" & $col2 ne ""} { + return [list $col1 $col2] + } + } + + #multiple rows - return a list? + #return the grapheme index that occupies column col (could be first or second half of 2-wide grapheme) + proc COLUMNINDEX {string col} { + + set ansisplits [split_codes_single $string]; #we get empty pt(plaintext) between each ansi code that is in a run + set lowindex -1 ;#low and high grapheme indexes + set highindex -1 + set lowc 0 ;#low and high column (1 based) + set highc 0 + set col1 "" + set col2 "" + foreach {pt code} $ansisplits { + if {$pt ne ""} { + if {[string last \n $pt] < 0} { + set graphemes [punk::char::grapheme_split $pt] + set lowindex [expr {$highindex + 1}] ;#last high + set lowc [expr {$highc + 1}] + set highindex [expr {$lowindex + [llength $graphemes] -1}] + set highc [expr {$lowc + [punk::char::ansifreestring_width $pt] -1}] + if {$col >= $lowc && $col <= $highc} { + if {$col == $lowc} { + return $lowindex + } elseif {$col == $highc} { + return $highindex + } + set index [expr {$lowindex -1}] + set str "" + foreach g $graphemes { + incr index + append str $g + set width [punk::char::ansifreestring_width $str] + if {$lowc-1 + $width >= $col} { + return $index + } + } + error "ansistring COLUMNINDEX '$string' $col not found" ;#assert - shouldn't happen + } + } else { + error "ansistring COLUMNINDEX multiline not implemented" + } + } + } + } + proc _splits_trimleft {sclist} { set intext 0 set outlist [list] diff --git a/src/modules/punk/args-999999.0a1.0.tm b/src/modules/punk/args-999999.0a1.0.tm index a9cd5b4e..5e1f799a 100644 --- a/src/modules/punk/args-999999.0a1.0.tm +++ b/src/modules/punk/args-999999.0a1.0.tm @@ -174,7 +174,6 @@ namespace eval punk::args { #} $args set optionspecs [string map [list \r\n \n] $optionspecs] - set known_argspecs [list -default -type -range -choices -nocase -optional -multiple -validate_without_ansi -allow_ansi -strip_ansi] set optspec_defaults [dict create\ -optional 1\ -allow_ansi 1\ @@ -204,11 +203,8 @@ namespace eval punk::args { foreach ln $records { set trimln [string trim $ln] - if {$trimln eq ""} { - continue - } - if {[string index $trimln 0] eq "#"} { - continue + switch -- [string index $trimln 0] { + "" - # {continue} } set argname [lindex $trimln 0] set argspecs [lrange $trimln 1 end] @@ -224,8 +220,13 @@ namespace eval punk::args { error "punk::args::opts_values - bad optionspecs line for argument '$argname' Remaining items on line must be in paired option-value format - received '$argspecs'" } dict for {spec specval} $argspecs { - if {$spec ni [concat $known_argspecs -ARGTYPE]} { - error "punk::args::opts_values - unrecognised key '$spec' in specifications for argument '$argname' Known option specification keys: $known_argspecs" + #literal-key switch - bytecompiled to jumpTable + switch -- $spec { + -default - -type - -range - -choices - -nocase - -optional - -multiple - -validate_without_ansi - -allow_ansi - -strip_ansi - -ARGTYPE {} + default { + set known_argspecs [list -default -type -range -choices -nocase -optional -multiple -validate_without_ansi -allow_ansi -strip_ansi] + error "punk::args::opts_values - unrecognised key '$spec' in specifications for argument '$argname' Known option specification keys: $known_argspecs" + } } } set argspecs [dict merge $optspec_defaults $argspecs] @@ -450,65 +451,90 @@ namespace eval punk::args { if {!$is_default} { if {[dict exists $arg_info $o -type]} { set type [dict get $arg_info $o -type] - if {[string tolower $type] in {int integer double}} { - if {[string tolower $type] in {int integer}} { - foreach e $vlist e_check $vlist_check { - if {![string is integer -strict $e_check]} { - error "Option $o for $caller requires type 'integer'. Received: '$e'" - } - } - } elseif {[string tolower $type] in {double}} { - foreach e $vlist e_check $vlist_check { - if {![string is double -strict $e_check]} { - error "Option $o for $caller requires type 'double'. Received: '$e'" + switch -- [string tolower $type] { + int - + integer - + double { + if {[string tolower $type] in {int integer}} { + foreach e $vlist e_check $vlist_check { + if {![string is integer -strict $e_check]} { + error "Option $o for $caller requires type 'integer'. Received: '$e'" + } + } + } elseif {[string tolower $type] in {double}} { + foreach e $vlist e_check $vlist_check { + if {![string is double -strict $e_check]} { + error "Option $o for $caller requires type 'double'. Received: '$e'" + } } } - } - #todo - small-value double comparisons with error-margin? review - if {[dict exists $arg_info $o -range]} { - lassign [dict get $arg_info $o -range] low high - foreach e $vlist e_check $vlist_check { - if {$e_check < $low || $e_check > $high} { - error "Option $o for $caller must be between $low and $high. Received: '$e'" + #todo - small-value double comparisons with error-margin? review + if {[dict exists $arg_info $o -range]} { + lassign [dict get $arg_info $o -range] low high + foreach e $vlist e_check $vlist_check { + if {$e_check < $low || $e_check > $high} { + error "Option $o for $caller must be between $low and $high. Received: '$e'" + } } } } - } elseif {[string tolower $type] in {bool boolean}} { - foreach e $vlist e_check $vlist_check { - if {![string is boolean -strict $e_check]} { - error "Option $o for $caller requires type 'boolean'. Received: '$e'" - } - } - } elseif {[string tolower $type] in {alnum alpha ascii control digit graph lower print punct space upper wordchar xdigit}} { - foreach e $vlist e_check $vlist_check { - if {![string is [string tolower $type] $e_check]} { - error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e'" + bool - + boolean { + foreach e $vlist e_check $vlist_check { + if {![string is boolean -strict $e_check]} { + error "Option $o for $caller requires type 'boolean'. Received: '$e'" + } } } - } elseif {[string tolower $type] in {file directory existingfile existingdirectory}} { - foreach e $vlist e_check $vlist_check { - if {!([string length $e_check]>0 && ![regexp {[\"*?<>\;]} $e_check])} { - error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which doesn't look like it could be a file or directory" + alnum - + alpha - + ascii - + control - + digit - + graph - + lower - + print - + punct - + space - + upper - + wordchar - + xdigit { + foreach e $vlist e_check $vlist_check { + if {![string is [string tolower $type] $e_check]} { + error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e'" + } } } - if {[string tolower $type] in {existingfile}} { + file - + directory - + existingfile - + existingdirectory { foreach e $vlist e_check $vlist_check { - if {![file exists $e_check]} { - error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which is not an existing file" + if {!([string length $e_check]>0 && ![regexp {[\"*?<>\;]} $e_check])} { + error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which doesn't look like it could be a file or directory" } } - } elseif {[string tolower $type] in {existingdirectory}} { - foreach e $vlist e_check $vlist_check { - if {![file isdirectory $e_check]} { - error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which is not an existing directory" + if {[string tolower $type] in {existingfile}} { + foreach e $vlist e_check $vlist_check { + if {![file exists $e_check]} { + error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which is not an existing file" + } + } + } elseif {[string tolower $type] in {existingdirectory}} { + foreach e $vlist e_check $vlist_check { + if {![file isdirectory $e_check]} { + error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which is not an existing directory" + } } } } - } elseif {[string tolower $type] in {char character}} { - foreach e $vlist e_check $vlist_check { - if {[string length != 1]} { - error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which is not a single character" + char - + character { + foreach e $vlist e_check $vlist_check { + if {[string length != 1]} { + error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which is not a single character" + } } } } diff --git a/src/modules/punk/cap/handlers/templates-999999.0a1.0.tm b/src/modules/punk/cap/handlers/templates-999999.0a1.0.tm index aa66bc33..de0e396d 100644 --- a/src/modules/punk/cap/handlers/templates-999999.0a1.0.tm +++ b/src/modules/punk/cap/handlers/templates-999999.0a1.0.tm @@ -73,110 +73,118 @@ namespace eval punk::cap::handlers::templates { #adhoc and currentproject* paths are relative to cwd - so no projectbase information can be stored at registration time. #not all template item types will need projectbase information - as the item data may be self-contained within the template structure - #but project_layout will need it - or at least need to know if there is no project - because project_layout data is never stored in the template folder structure directly. - - if {$pathtype eq "adhoc"} { - if {[file pathtype $path] ne "relative"} { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" - return 0 - } - set extended_capdict $capdict - dict set extended_capdict vendor $vendor - } elseif {$pathtype eq "module"} { - set provide_statement [package ifneeded $pkg [package require $pkg]] - set tmfile [lindex $provide_statement end] - if {![file exists $tmfile]} { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - unable to determine base folder for package '$pkg' which is attempting to register with punk::cap as a provider of '$capname' capability" - return 0 + switch -- $pathtype { + adhoc { + if {[file pathtype $path] ne "relative"} { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" + return 0 + } + set extended_capdict $capdict + dict set extended_capdict vendor $vendor } + module { + set provide_statement [package ifneeded $pkg [package require $pkg]] + set tmfile [lindex $provide_statement end] + if {![file exists $tmfile]} { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - unable to determine base folder for package '$pkg' which is attempting to register with punk::cap as a provider of '$capname' capability" + return 0 + } - if {[file pathtype $path] ne "relative"} { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" - } - set tmfolder [file dirname $tmfile] - #todo - handle wrapped or unwrapped tarjar files - in which case we have to adjust tmfolder appropriately - #set tpath [file normalize [file join $tmfile [dict get $capdict relpath]]] ;#relpath is relative to the tm *file* - not it's containing folder - - set projectinfo [punk::repo::find_repos $tmfolder] - set projectbase [dict get $projectinfo closest] - #store the projectbase even if it's empty string - set extended_capdict $capdict - set resolved_path [file join $tmfolder $path] - dict set extended_capdict resolved_path $resolved_path - dict set extended_capdict projectbase $projectbase - } elseif {$pathtype eq "currentproject_multivendor"} { - #currently only intended for punk::mix::templates - review if 3rd party _multivendor trees even make sense - if {$pkg ni $multivendor_package_whitelist} { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but package is not in whitelist $multivendor_package_whitelist - 3rd party _multivendor tree not supported" - return 0 - } - if {[file pathtype $path] ne "relative"} { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" - return 0 + if {[file pathtype $path] ne "relative"} { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" + } + set tmfolder [file dirname $tmfile] + #todo - handle wrapped or unwrapped tarjar files - in which case we have to adjust tmfolder appropriately + #set tpath [file normalize [file join $tmfile [dict get $capdict relpath]]] ;#relpath is relative to the tm *file* - not it's containing folder + + set projectinfo [punk::repo::find_repos $tmfolder] + set projectbase [dict get $projectinfo closest] + #store the projectbase even if it's empty string + set extended_capdict $capdict + set resolved_path [file join $tmfolder $path] + dict set extended_capdict resolved_path $resolved_path + dict set extended_capdict projectbase $projectbase } + currentproject_multivendor { + #currently only intended for punk::mix::templates - review if 3rd party _multivendor trees even make sense + if {$pkg ni $multivendor_package_whitelist} { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but package is not in whitelist $multivendor_package_whitelist - 3rd party _multivendor tree not supported" + return 0 + } + if {[file pathtype $path] ne "relative"} { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" + return 0 + } - set extended_capdict $capdict - dict set extended_capdict vendor $vendor ;#vendor key still required.. controlling vendor? - } elseif {$pathtype eq "currentproject"} { - if {[file pathtype $path] ne "relative"} { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" - return 0 + set extended_capdict $capdict + dict set extended_capdict vendor $vendor ;#vendor key still required.. controlling vendor? } - #verify that the relative path is within the relative path of a currentproject_multivendor tree - #todo - api for the _multivendor tree controlling package to validate + currentproject { + if {[file pathtype $path] ne "relative"} { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" + return 0 + } + #verify that the relative path is within the relative path of a currentproject_multivendor tree + #todo - api for the _multivendor tree controlling package to validate - set extended_capdict $capdict - dict set extended_capdict vendor $vendor - } elseif {$pathtype eq "shellproject"} { - if {[file pathtype $path] ne "relative"} { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" - return 0 + set extended_capdict $capdict + dict set extended_capdict vendor $vendor } - set shellbase [file dirname [file dirname [file normalize [set ::argv0]/__]]] ;#review - set projectinfo [punk::repo::find_repos $shellbase] - set projectbase [dict get $projectinfo closest] - - set extended_capdict $capdict - dict set extended_capdict vendor $vendor - dict set extended_capdict projectbase $projectbase - } elseif {$pathtype eq "shellproject_multivendor"} { - #currently only intended for punk::templates - review if 3rd party _multivendor trees even make sense - if {$pkg ni $multivendor_package_whitelist} { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but package is not in whitelist $multivendor_package_whitelist - 3rd party _multivendor tree not supported" - return 0 + shellproject { + if {[file pathtype $path] ne "relative"} { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" + return 0 + } + set shellbase [file dirname [file dirname [file normalize [set ::argv0]/__]]] ;#review + set projectinfo [punk::repo::find_repos $shellbase] + set projectbase [dict get $projectinfo closest] + + set extended_capdict $capdict + dict set extended_capdict vendor $vendor + dict set extended_capdict projectbase $projectbase } - if {[file pathtype $path] ne "relative"} { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" - return 0 + shellproject_multivendor { + #currently only intended for punk::templates - review if 3rd party _multivendor trees even make sense + if {$pkg ni $multivendor_package_whitelist} { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but package is not in whitelist $multivendor_package_whitelist - 3rd party _multivendor tree not supported" + return 0 + } + if {[file pathtype $path] ne "relative"} { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be a relative path" + return 0 + } + set shellbase [file dirname [file dirname [file normalize [set ::argv0]/__]]] ;#review + set projectinfo [punk::repo::find_repos $shellbase] + set projectbase [dict get $projectinfo closest] + + set extended_capdict $capdict + dict set extended_capdict vendor $vendor + dict set extended_capdict projectbase $projectbase } - set shellbase [file dirname [file dirname [file normalize [set ::argv0]/__]]] ;#review - set projectinfo [punk::repo::find_repos $shellbase] - set projectbase [dict get $projectinfo closest] - - set extended_capdict $capdict - dict set extended_capdict vendor $vendor - dict set extended_capdict projectbase $projectbase - } elseif {$pathtype eq "absolute"} { - if {[file pathtype $path] ne "absolute"} { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be absolute" - return 0 + absolute { + if {[file pathtype $path] ne "absolute"} { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' of type $pathtype which doesn't seem to be absolute" + return 0 + } + set normpath [file normalize $path] + if {!file exists $normpath} { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' which doesn't seem to exist" + return 0 + } + set projectinfo [punk::repo::find_repos $normpath] + set projectbase [dict get $projectinfo closest] + + #todo - verify no other provider has registered same absolute path - if sharing a project-external location is needed - they need their own subfolder + set extended_capdict $capdict + dict set extended_capdict resolved_path $normpath + dict set extended_capdict vendor $vendor + dict set extended_capdict projectbase $projectbase } - set normpath [file normalize $path] - if {!file exists $normpath} { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' which doesn't seem to exist" + default { + puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' with unrecognised type $pathtype" return 0 } - set projectinfo [punk::repo::find_repos $normpath] - set projectbase [dict get $projectinfo closest] - - #todo - verify no other provider has registered same absolute path - if sharing a project-external location is needed - they need their own subfolder - set extended_capdict $capdict - dict set extended_capdict resolved_path $normpath - dict set extended_capdict vendor $vendor - dict set extended_capdict projectbase $projectbase - } else { - puts stderr "punk::cap::handlers::templates::capsystem::pkg_register WARNING - package '$pkg' is attempting to register with punk::cap as a provider of '$capname' capability but provided a path '$path' with unrecognised type $pathtype" - return 0 } # -- --- --- --- --- --- --- ---- --- diff --git a/src/modules/punk/char-999999.0a1.0.tm b/src/modules/punk/char-999999.0a1.0.tm index d9602010..36408345 100644 --- a/src/modules/punk/char-999999.0a1.0.tm +++ b/src/modules/punk/char-999999.0a1.0.tm @@ -56,6 +56,8 @@ #[para] - package require Tcl 8.6- +#dependency on tcllib not ideal for bootstrapping as punk::char is core to many features.. (textutil::wcswidth is therefore included in bootsupport/include_modules.config) review +package require textutil::wcswidth #*** !doctools #[list_end] @@ -71,6 +73,7 @@ package require Tcl 8.6- namespace eval punk::char { namespace export * + variable grapheme_widths [dict create] # -- -------------------------------------------------------------------------- variable encmimens ;#namespace of mime package providing reversemapencoding and mapencoding functions #tcllib mime requires tcl::chan::memchan,events,core and/or Trf @@ -1259,70 +1262,71 @@ namespace eval punk::char { variable charsets set hex_char [format %04x $dec_char] set returninfo [dict create] - if {"dec" in $fields} { - dict set returninfo dec $dec_char - } - if {"hex" in $fields} { - dict set returninfo hex $hex_char - } - if {"desc" in $fields} { - if {[dict exists $charinfo $dec_char desc]} { - dict set returninfo desc [dict get $charinfo $dec_char desc] - } else { - dict set returninfo desc "" - } - } - if {"short" in $fields} { - if {[dict exists $charinfo $dec_char short]} { - dict set returninfo desc [dict get $charinfo $dec_char short] - } else { - dict set returninfo short "" - } - } - - #todo - expectedwidth - lookup the printing width it is *supposed* to have from unicode tables - - #testwidth is one of the main ones likely to be worthwhile excluding as querying the console via ansi takes time - if {"testwidth" in $fields} { - set existing_testwidth "" - if {[dict exists $charinfo $dec_char testwidth]} { - set existing_testwidth [dict get $charinfo $dec_char testwidth] - } - if {$existing_testwidth eq ""} { - #no cached data - do expensive cursor-position test (Note this might not be 100% reliable - terminals lie e.g if ansi escape sequence has set to wide printing.) - set char [format %c $dec_char] - set chwidth [char_info_testwidth $char] - - dict set returninfo testwidth $chwidth - #cache it. todo - -verify flag to force recalc in case font/terminal changed in some way? - dict set charinfo $dec_char testwidth $chwidth - } else { - dict set returninfo testwidth $existing_testwidth - } - } - if {"char" in $fields} { - set char [format %c $dec_char] - dict set returninfo char $char - } - - #memberof takes in the order of a few hundred microseconds if a simple scan of all ranges is taken - possibly worthwhile caching/optimising - #note that memberof is not just unicode blocks - but scripts and other non-contiguous sets consisting of multiple ranges - some of which may include ranges of a single character. (e.g WGL4) - #This means there probably isn't a really efficient means of calculating membership other than scanning all the defined ranges. - #We could potentially populate it using a side-thread - but it seems reasonable to just cache result after first use here. - #some efficiency could also be gained by pre-calculating the extents for each charset which isn't a simple unicode block. (and perhaps sorting by max char) - if {"memberof" in $fields} { - set memberof [list] - dict for {setname setinfo} $charsets { - foreach r [dict get $setinfo ranges] { - set s [dict get $r start] - set e [dict get $r end] - if {$dec_char >= $s && $dec_char <= $e} { - lappend memberof $setname - break + foreach f $fields { + switch -- $f { + dec { + dict set returninfo dec $dec_char + } + hex { + dict set returninfo hex $hex_char + } + desc { + if {[dict exists $charinfo $dec_char desc]} { + dict set returninfo desc [dict get $charinfo $dec_char desc] + } else { + dict set returninfo desc "" + } + } + short { + if {[dict exists $charinfo $dec_char short]} { + dict set returninfo desc [dict get $charinfo $dec_char short] + } else { + dict set returninfo short "" + } + } + testwidth { + #todo - expectedwidth - lookup the printing width it is *supposed* to have from unicode tables + #testwidth is one of the main ones likely to be worthwhile excluding as querying the console via ansi takes time + set existing_testwidth "" + if {[dict exists $charinfo $dec_char testwidth]} { + set existing_testwidth [dict get $charinfo $dec_char testwidth] + } + if {$existing_testwidth eq ""} { + #no cached data - do expensive cursor-position test (Note this might not be 100% reliable - terminals lie e.g if ansi escape sequence has set to wide printing.) + set char [format %c $dec_char] + set chwidth [char_info_testwidth $char] + + dict set returninfo testwidth $chwidth + #cache it. todo - -verify flag to force recalc in case font/terminal changed in some way? + dict set charinfo $dec_char testwidth $chwidth + } else { + dict set returninfo testwidth $existing_testwidth + } + } + char { + set char [format %c $dec_char] + dict set returninfo char $char + } + memberof { + #memberof takes in the order of a few hundred microseconds if a simple scan of all ranges is taken - possibly worthwhile caching/optimising + #note that memberof is not just unicode blocks - but scripts and other non-contiguous sets consisting of multiple ranges - some of which may include ranges of a single character. (e.g WGL4) + #This means there probably isn't a really efficient means of calculating membership other than scanning all the defined ranges. + #We could potentially populate it using a side-thread - but it seems reasonable to just cache result after first use here. + #some efficiency could also be gained by pre-calculating the extents for each charset which isn't a simple unicode block. (and perhaps sorting by max char) + set memberof [list] + dict for {setname setinfo} $charsets { + foreach r [dict get $setinfo ranges] { + set s [dict get $r start] + set e [dict get $r end] + if {$dec_char >= $s && $dec_char <= $e} { + lappend memberof $setname + break + } + } } + dict set returninfo memberof $memberof } } - dict set returninfo memberof $memberof } return $returninfo @@ -1512,31 +1516,75 @@ namespace eval punk::char { #non-overlapping unicode blocks - proc char_blocks {name_or_glob} { - error "unicode block searching unimplemented" - #todo - search only charsets that have settype = block + proc char_blocks {{name_or_glob *}} { + variable charsets + #todo - more efficient datastructures? + if {![regexp {[?*]} $name_or_glob]} { + #no glob - just retrieve it + if {[dict exists $charsets $name_or_glob]} { + if {[dict get $charsets $name_or_glob settype] eq "block"} { + return [dict create $name_or_glob [dict get $charsets $name_or_glob]] + } + } + #no exact match - try case insensitive.. + set name [lsearch -inline -nocase [dict keys $charsets] $name_or_glob] + if {$name ne ""} { + if {[dict get $charsets $name settype] eq "block"} { + return [dict create $name [dict get $charsets $name]] + } + } + + } else { + #build a subset + set charsets_block [dict create] + dict for {k v} $charsets { + if {[string match -nocase $name_or_glob $k]} { + if {[dict get $v settype] eq "block"} { + dict set charsets_block $k $v + } + } + } + return $charsets_block + } + } + proc charset_names {{name_or_glob *}} { + variable charsets + if {![regexp {[?*]} $name_or_glob]} { + #no glob - just retrieve it + if {[dict exists $charsets $name_or_glob]} { + return [list $name_or_glob] + } + #no exact match - try case insensitive.. + set name [lsearch -inline -nocase [dict keys $charsets] $name_or_glob] + if {$name ne ""} { + return [list $name] + } + } else { + if {$name_or_glob eq "*"} { + return [lsort [dict keys $charsets]] + } + return [lsort [lsearch -all -inline -nocase [dict keys $charsets] $name_or_glob]] + } } + #deprecated #major named sets such as unicode blocks, scripts, and other sets such as microsoft WGL4 - #case insensitive search - possibly with globs - proc charset_names {{namesearch *}} { + #case insensitive search - possibly with *basic* globs (? and * only - not lb rb) + proc charset_names2 {{namesearch *}} { variable charsets - set sortedkeys [lsort -increasing -dictionary [dict keys $charsets]] ;#NOTE must use -dictionary to use -sorted flag below + #dictionary sorting of the keys is slow! - we should obviously store it in sorted order instead of sorting entire list on retrieval - or just sort results + #set sortedkeys [lsort -increasing -dictionary [dict keys $charsets]] ;#NOTE must use -dictionary to use -sorted flag below + set sortedkeys [lsort -increasing [dict keys $charsets]] if {$namesearch eq "*"} { return $sortedkeys } if {[regexp {[?*]} $namesearch]} { #name glob search - set matched_names [lsearch -all -inline -nocase $sortedkeys $namesearch] ;#no point using -sorted flag when -all is used + return [lsearch -all -inline -nocase $sortedkeys $namesearch] ;#no point using -sorted flag when -all is used } else { - set matched [lsearch -sorted -inline -nocase $sortedkeys $namesearch] ;#no globs - stop on first match - if {[llength $matched]} { - return [list $matched] - } else { - return [list] - } + #return [lsearch -sorted -inline -nocase $sortedkeys $namesearch] ;#no globs - bails out earlier if -sorted? + return [lsearch -inline -nocase $sortedkeys $namesearch] ;#no globs } - return $matched_names } proc charsets {{namesearch *}} { package require textblock @@ -1585,7 +1633,7 @@ namespace eval punk::char { } set dict_list [list] foreach m $matches { - lappend dict_list [dict create $m [charset_dictget $name]] + lappend dict_list [dict create $m [charset_dictget $m]] } #return $dict_list return [join $dict_list \n] @@ -1651,7 +1699,8 @@ namespace eval punk::char { set twidth [dict get $charinfo $dec testwidth] } if {$twidth eq ""} { - set width [ansifreestring_width $ch] ;#based on unicode props + #set width [ansifreestring_width $ch] ;#based on unicode props + set width [grapheme_width_cached $ch] } else { set width $twidth } @@ -1780,7 +1829,7 @@ namespace eval punk::char { } if {$twidth eq ""} { #puts -nonewline stdout "." ;#this - set width [char_info_testwidth $ch] ;#based on unicode props + set width [char_info_testwidth $ch] ;#based on console test rather than unicode props dict set charinfo $dec testwidth $width } else { set width $twidth @@ -1792,22 +1841,172 @@ namespace eval punk::char { puts stdout "\ncalibration done - results cached in charinfo dictionary" return [dict create charcount $charcount widths $width_results] } - #todo - provide a char_width equivalent that is optimised for speed + + #maint warning - also in overtype! + #intended for single grapheme - but will work for multiple + #cannot contain ansi or newlines + #(a cache of ansifreestring_width calls - as these are quite regex heavy) + proc grapheme_width_cached {ch} { + variable grapheme_widths + if {[dict exists $grapheme_widths $ch]} { + return [dict get $grapheme_widths $ch] + } + set width [punk::char::ansifreestring_width $ch] ;#review - can we provide faster version if we know it's a single grapheme rather than a string? (grapheme is still a string as it may have combiners/diacritics) + dict set grapheme_widths $ch $width + return $width + } + #no char_width - use grapheme_width terminology to be clearer + proc grapheme_width {char} { + error "grapheme_width unimplemented - use ansifreestring_width" + } + + #return N Na W etc from unicode data + #review + proc char_uc_width_prop {char} { + error "char_uc_width unimplemented try textutil::wcswidth_type" + } + #todo - provide a grapheme_width function that is optimised for speed proc string_width {text} { #burn approx 2uS (2024) checking for ansi codes - not just SGR if {[punk::ansi::ta::detect $text]} { puts stderr "string_width detected ANSI!" } - if {[string first \n $text] >= 0} { + if {[string last \n $text] >= 0} { error "string_width accepts only a single line" } tailcall ansifreestring_width $text } - #prerequisites - no ansi escapes - no newlines + + #faster than textutil::wcswidth (at least for string up to a few K in length) + proc wcswidth {string} { + set codes [scan $string [string repeat %c [string length $string]]] + set width 0 + foreach c $codes { + set w [textutil::wcswidth_char $c] + if {$w < 0} { + return -1 + } else { + incr width $w + } + } + return $width + } + proc wcswidth2 {string} { + set codes [scan $string [string repeat %c [string length $string]]] + set widths [lmap c $codes {textutil::wcswidth_char $c}] + if {-1 in $widths} { + return -1 + } + return [tcl::mathop::+ {*}$widths] + } + + #prerequisites - no ansi escapes - no newlines - utf8 encoding assumed #review - what about \r \t \b ? #NO processing of \b - already handled in ansi::printing_length which then calls this + #this version breaks string into sequences of ascii vs unicode proc ansifreestring_width {text} { #caller responsible for calling ansistrip first if text may have ansi codes - and for ensuring no newlines + #we can c0 control characters after or while processing ansi escapes. + #we need to map remaining control characters to zero-width (under assumption we're not using a font/codepage that displays them - review!) + #anyway - we must allow things like raw ESC,DEL, NUL etc to pass through without error + #if {[string first \033 $text] >= 0} { + # error "string_width doesn't accept ansi escape sequences. Use punk::ansi::stripansi first" + #} + + + #todo - various combining diacritical marks.. from grave - to various complicated unicode joiners and composing chars etc + #as at 2023 - terminals generally seem to use the simplistic approach of tallying up individual character-widths, which means combinations that print short are reported too long by the terminal esc 6 n sequence. + + + #- {Combining Diacritical Marks} {ranges {{start 768 end 879 note {unicode block 0300..036F}}} description {} settype block} + #- {Combining Diacritical Marks Extended} {ranges {{start 6832 end 6911 note {unicode block 1AB0..1AFF}}} description {} settype block} + #- {Combining Diacritical Marks Supplement} {ranges {{start 7616 end 7679 note {unicode block 1DC0..1DFF}}} description {} settype block} + #- {Combining Diacritical Marks for Symbols} {ranges {{start 8400 end 8447 note {unicode block 20D0..20FF}}} description {} settype block} + #- {Combining Half Marks} {ranges {{start 65056 end 65071 note {unicode block FE20..FE2F}}} description {} settype block} + # + # initial simplistic approach is just to strip these ... todo REVIEW + + #experiment to detect leading diacritics - but this isn't necessary - it's still zero-width - and if the user is splitting properly we shouldn't be getting a string with leading diacritics anyway + #(leading combiners may display in terminal as mark on rightmost prompt char which is usually a space - but won't add width even then) + #set re_leading_diacritic {^(?:[\u0300-\u036f]+|[\u1ab0-\u1aff]+|[\u1dc0-\u1dff]+|[\u20d0-\u20ff]+|[\ufe20-\ufe2f]+)} + #if {[regexp $re_leading_diacritic $text]} { + # set text " $text" + #} + set re_diacritics {[\u0300-\u036f]+|[\u1ab0-\u1aff]+|[\u1dc0-\u1dff]+|[\u20d0-\u20ff]+|[\ufe20-\ufe2f]+} + set text [regsub -all $re_diacritics $text ""] + + # -- --- --- --- --- --- --- + #review + #if we strip out ZWJ \u200d (zero width combiner) - then we don't give the chance for a grapheme combining test to merge properly e.g combining emojis + #as at 2024 - textutil::wcswidth just uses the unicode east-asian width property data and doesn't seem to handle these specially - it counts this joiner and others as one wide (also BOM \uFFEF) + + #TODO - once we have proper grapheme cluster splitting - work out which of these characters should be left in and/or when exactly their length-effects apply + # + #for now - strip them out + + #ZWNJ \u200c should also be zero length - but as a 'non' joiner - it should add zero to the length + #ZWSP \u200b zero width space + + #\uFFEFBOM/ ZWNBSP and others that should be zero width + #todo - work out proper way to mark/group zero width. + + set text [string map [list \u200b "" \u200c "" \u200d "" \uFFEF ""] $text] + # -- --- --- --- --- --- --- + + #we should only map control sequences to nothing after processing ones with length effects, such as \b (\x07f) or DEL \x1f + #todo - document that these shouldn't be present in input rather than explicitly checking here + + #c0 controls + set re_ascii_c0 {[\U0000-\U001F]} + set text [regsub -all $re_ascii_c0 $text ""] + + #c1 controls - first section of the Latin-1 Supplement block - all non-printable from a utf-8 perspective + #some or all of these may have a visual representation in other encodings e.g cp855 seems to have 1 width for them all + #we are presuming that the text supplied has been converted from any other encoding to utf8 - so we don't need to handle that here + #they should also be unlikely to be present in an ansi-free string (as is a precondition for use of this function) + set text [regsub -all {[\u0080-\u009f]+} $text ""] + + + #short-circuit basic cases + #support tcl pre 2023-11 - see regexp bug below + #if {![regexp {[\uFF-\U10FFFF]} $text]} { + # return [string length $text] + #} + if {![regexp "\[\uFF-\U10FFFF\]" $text]} { + return [string length $text] + } + + #split just to get the standalone character widths - and then scan for other combiners (?) - or scan for clusters first? + + #review + #set can_regex_high_unicode [string match [regexp -all -inline {[\U80-\U0010FFFF]} \U0001F525] \U0001F525] + #tcl pre 2023-11 - braced high unicode regexes don't work + #fixed in bug-4ed788c618 2023-11 + #set uc_chars [regexp -all -inline "\[\u0100-\U10FFFF\]" $text] ;#e.g return list of chars in range only + + #maintain unicode as sequences - todo - scan for grapheme clusters + #set uc_sequences [punk::ansi::ta::_perlish_split "(?:\[\u0100-\U10FFFF\])+" $text] + set uc_sequences [punk::ansi::ta::_perlish_split "(?:\[\u0000-\u00FF\])+" $text] + set len 0 + foreach {uc ascii} $uc_sequences { + #puts "-ascii $ascii" + #puts "-uc $uc" + incr len [string length $ascii] + #textutil::wcswidth uses unicode data + #fall back to textutil::wcswidth (which doesn't for example handle diactricts/combiners so we can't use until these and other things such as \u200b and diacritics are already stripped/accounted for) + #todo - find something that understands grapheme clusters - needed also for grapheme_split + #use punk::char::wcswidth - faster than the string split in textutil::wcswidth but still uses textutil::wcswidth_char + incr len [wcswidth $uc] + } + #todo - work out what to do with anomalies like grave combiner which print at different lengths on different terminals (fonts?) and for which cursor-query escape sequence lies. + return $len + } + + #kept as a fallback for review/test if textutil::wcswidth doesn't do what we require on all terminals. + #this version looks at console testwidths if they've been cached. + #It is relatively fast - but tests unicode widths char by char - so won't be useful going forward for grapheme clusters. + proc ansifreestring_width2 {text} { + #caller responsible for calling ansistrip first if text may have ansi codes - and for ensuring no newlines @@ -1831,7 +2030,7 @@ namespace eval punk::char { # # initial simplistic approach is just to strip these ... todo REVIEW - #experiment to detect leading diacritics - but this isn't necessary - it's still zero-width + #experiment to detect leading diacritics - but this isn't necessary - it's still zero-width - and if the user is splitting properly we shouldn't be getting a string with leading diacritics anyway #(leading combiners may display in terminal as mark on rightmost prompt char which is usually a space - but won't add width even then) #set re_leading_diacritic {^(?:[\u0300-\u036f]+|[\u1ab0-\u1aff]+|[\u1dc0-\u1dff]+|[\u20d0-\u20ff]+|[\ufe20-\ufe2f]+)} #if {[regexp $re_leading_diacritic $text]} { @@ -1840,10 +2039,17 @@ namespace eval punk::char { set re_diacritics {[\u0300-\u036f]+|[\u1ab0-\u1aff]+|[\u1dc0-\u1dff]+|[\u20d0-\u20ff]+|[\ufe20-\ufe2f]+} set text [regsub -all $re_diacritics $text ""] + #review + #if we strip out ZWJ \u0200d (zero width combiner) - then we don't give the chance for a grapheme combining test to merge properly e.g combining emojis + #as at 2024 - textutil::wcswidth doesn't seem to be aware of these - and counts the joiner as one wide + #ZWNJ \u0200c should also be zero length - but as a 'non' joiner - it should add zero to the length - #only map control sequences to nothing after processing ones with special effects, such as \b (\x07f) - #Note DEL \x1f will only + #ZWSP \u0200b zero width space + + + #we should only map control sequences to nothing after processing ones with length effects, such as \b (\x07f) or DEL \x1f + #todo - document that these shouldn't be present in input rather than explicitly checking here set re_ascii_c0 {[\U0000-\U001F]} set text [regsub -all $re_ascii_c0 $text ""] @@ -1856,7 +2062,7 @@ namespace eval punk::char { return [string length $text] } - #todo - check double-width chars in unicode blocks.. try to do reasonably quicky + #review - wcswidth should detect these set re_ascii_fullwidth {[\uFF01-\uFF5e]} set doublewidth_char_count 0 @@ -1867,20 +2073,34 @@ namespace eval punk::char { #tcl pre 2023-11 - braced high unicode regexes don't work #fixed in bug-4ed788c618 2023-11 #set uc_sequences [regexp -all -inline -indices {[\u0100-\U10FFFF]} $text] - set uc_sequences [regexp -all -inline -indices "\[\u0100-\U10FFFF\]" $text] - foreach uc_range $uc_sequences { - set chars [string range $text {*}$uc_range] - foreach c $chars { - if {[regexp $re_ascii_fullwidth $c]} { - incr doublewidth_char_count - } else { - #todo - replace with function that doesn't use console - just unicode data + #set uc_sequences [regexp -all -inline -indices "\[\u0100-\U10FFFF\]" $text] ;#e.g for string: \U0001f9d1abc\U001f525ab returns {0 0} {4 4} + set uc_chars [regexp -all -inline "\[\u0100-\U10FFFF\]" $text] ;#e.g return list of chars in range only + foreach c $uc_chars { + if {[regexp $re_ascii_fullwidth $c]} { + incr doublewidth_char_count + } else { + #review + # a)- terminals lie - so we could have a bad cached testwidth + # b)- textutil::wcswidth_char seems to be east-asian-width based - and not a reliable indicator of 'character cells taken by the character when printed to the terminal' despite this statement in tclllib docs. + #(character width is a complex context-dependent topic) + # c) by checking for a cached console testwidth first - we make this function less deterministic/repeatable depending on whether console tests have been run. + # d) Upstream caching of grapheme_width may also lock in a result from whatever method was first employed here + #Despite all this - the mechanism is hoped to give best effort consistency for terminals + #further work needed for combining emojis etc - which can't be done in a per character loop + #todo - see if wcswidth does any of this. It is very slow for strings that include mixed ascii/unicode - so perhaps we can use a perlish_split + # to process sequences of unicode. + #- and the user has the option to test character sets first if terminal position reporting gives better results + if {[char_info_is_testwidth_cached $c]} { set width [char_info_testwidth_cached $c] - if {$width == 0} { - incr zerowidth_char_count - } elseif {$width == 2} { - incr doublewidth_char_count - } + } else { + #textutil::wcswidth uses unicode data + #fall back to textutil::wcswidth (which doesn't for example handle diactricts/combiners so we can't use until these and other things such as \u200b and diacritics are already stripped/accounted for) + set width [textutil::wcswidth_char [scan $c %c]] + } + if {$width == 0} { + incr zerowidth_char_count + } elseif {$width == 2} { + incr doublewidth_char_count } } } @@ -1888,6 +2108,58 @@ namespace eval punk::char { return [expr {[string length $text] + $doublewidth_char_count - $zerowidth_char_count}] } + #slow - textutil::wcswidth is slow with mixed ascii uc + proc ansifreestring_width3 {text} { + #caller responsible for calling ansistrip first if text may have ansi codes - and for ensuring no newlines + + + + #we can c0 control characters after or while processing ansi escapes. + #we need to map remaining control characters to zero-width (under assumption we're not using a font/codepage that displays them - review!) + #anyway - we must allow things like raw ESC,DEL, NUL etc to pass through without error + #if {[string first \033 $text] >= 0} { + # error "string_width doesn't accept ansi escape sequences. Use punk::ansi::stripansi first" + #} + + + #review - work out what to do with anomalies like grave combiner which print at different lengths on different terminals (fonts?) and for which cursor-query escape sequence lies. + # - various combining diacritical marks.. from grave - to various complicated unicode joiners and composing chars etc + #as at 2023 - terminals generally seem to use the simplistic approach of tallying up individual character-widths, which means combinations that print short are reported too long by the terminal esc 6 n sequence. + + #- {Combining Diacritical Marks} {ranges {{start 768 end 879 note {unicode block 0300..036F}}} description {} settype block} + #- {Combining Diacritical Marks Extended} {ranges {{start 6832 end 6911 note {unicode block 1AB0..1AFF}}} description {} settype block} + #- {Combining Diacritical Marks Supplement} {ranges {{start 7616 end 7679 note {unicode block 1DC0..1DFF}}} description {} settype block} + #- {Combining Diacritical Marks for Symbols} {ranges {{start 8400 end 8447 note {unicode block 20D0..20FF}}} description {} settype block} + #- {Combining Half Marks} {ranges {{start 65056 end 65071 note {unicode block FE20..FE2F}}} description {} settype block} + # + # initial simplistic approach is just to strip these ... todo REVIEW + + #experiment to detect leading diacritics - but this isn't necessary - it's still zero-width - and if the user is splitting properly we shouldn't be getting a string with leading diacritics anyway + #(leading combiners may display in terminal as mark on rightmost prompt char which is usually a space - but won't add width even then) + #set re_leading_diacritic {^(?:[\u0300-\u036f]+|[\u1ab0-\u1aff]+|[\u1dc0-\u1dff]+|[\u20d0-\u20ff]+|[\ufe20-\ufe2f]+)} + #if {[regexp $re_leading_diacritic $text]} { + # set text " $text" + #} + set re_diacritics {[\u0300-\u036f]+|[\u1ab0-\u1aff]+|[\u1dc0-\u1dff]+|[\u20d0-\u20ff]+|[\ufe20-\ufe2f]+} + set text [regsub -all $re_diacritics $text ""] + + #we should only map control sequences to nothing after processing ones with length effects, such as \b (\x07f) or DEL \x1f + #todo - document that these shouldn't be present in input rather than explicitly checking here + set re_ascii_c0 {[\U0000-\U001F]} + set text [regsub -all $re_ascii_c0 $text ""] + + #short-circuit basic cases + #support tcl pre 2023-11 - see regexp bug below + #if {![regexp {[\uFF-\U10FFFF]} $text]} { + # return [string length $text] + #} + if {![regexp "\[\uFF-\U10FFFF\]" $text]} { + return [string length $text] + } + + #slow when ascii mixed with unicode (but why?) + return [punk::wcswidth $text] + } #This shouldn't be called on text containing ansi codes! proc strip_nonprinting_ascii {str} { #review - some single-byte 'control' chars have visual representations e.g ETX as heart depending on font/codepage @@ -1901,22 +2173,14 @@ namespace eval punk::char { return [string map $map $str] } - proc char_width {char} { - error "char_width unimplemented" - } - #return N Na W etc from unicode data - proc char_uc_width_prop {char} { - error "char_uc_width unimplemented" - } - #split into plaintext and runs of combiners + #split into plaintext and runs of combiners (combining diacritical marks - not ZWJ or ZWJNJ) proc combiner_split {text} { #split into odd numbered list (or zero) in a similar way to punk::ansi::ta::_perlish_split # - set re_diacritics {[\u0300-\u036f]+|[\u1ab0-\u1aff]+|[\u1dc0-\u1dff]+|[\u20d0-\u20ff]+|[\ufe20-\ufe2f]+} + #set re_diacritics {[\u0300-\u036f]+|[\u1ab0-\u1aff]+|[\u1dc0-\u1dff]+|[\u20d0-\u20ff]+|[\ufe20-\ufe2f]+} set graphemes [list] - set g "" if {[string length $text] == 0} { return {} } @@ -1925,7 +2189,7 @@ namespace eval punk::char { set strlen [string length $text] #make sure our regexes aren't non-greedy - or we may not have exit condition for loop #review - while {$start < $strlen && [regexp -start $start -indices -- $re_diacritics $text match]} { + while {$start < $strlen && [regexp -start $start -indices -- {[\u0300-\u036f]+|[\u1ab0-\u1aff]+|[\u1dc0-\u1dff]+|[\u20d0-\u20ff]+|[\ufe20-\ufe2f]+} $text match]} { lassign $match matchStart matchEnd #puts "->start $start ->match $matchStart $matchEnd" lappend list [string range $text $start $matchStart-1] [string range $text $matchStart $matchEnd] @@ -1936,13 +2200,19 @@ namespace eval punk::char { #} } lappend list [string range $text $start end] - - return $list } + #ZWJ ZWNJ ? + #1st shot - basic diacritics #todo - become aware of unicode grapheme cluster boundaries - # + #This is difficult in Tcl without unicode property based Character Classes in the regex engine + #review - this needs to be performant - it is used a lot by punk terminal/ansi features + #todo - trie data structures for unicode? + #for now we can at least combine diacritics + #should also handle the ZWJ (and the variation selectors? eg \uFE0F) character which should account for emoji clusters + #Note - emoji cluster could be for example 11 code points/41 bytes (family emoji with skin tone modifiers for each member, 3 ZWJs) + #This still leaves a whole class of clusters.. korean etc unhandled :/ proc grapheme_split {text} { set graphemes [list] set csplits [combiner_split $text] @@ -1957,9 +2227,51 @@ namespace eval punk::char { } return $graphemes } + proc grapheme_split_dec {text} { + set graphemes [list] + set csplits [combiner_split $text] + foreach {pt combiners} [lrange $csplits 0 end-1] { + set pt_decs [scan $pt [string repeat %c [string length $pt]]] + set combiner_decs [scan $combiners [string repeat %c [string length $combiners]]] + lset pt_decs end [concat [lindex $pt_decs end] $combiner_decs] + lappend graphemes {*}$pt_decs + } + #last csplit never has a combiner (_perlish_split style) - and may be empty - in which case we don't append it as a grapheme + if {[lindex $csplits end] ne ""} { + lappend graphemes {*}[scan [lindex $csplits end] [string repeat %c [string length [lindex $csplits end]]]] + } + return $graphemes + } + proc grapheme_split_dec2 {text} { + set graphemes [list] + set csplits [combiner_split $text] + foreach {pt combiners} $csplits { + set pt_decs [scan $pt [string repeat %c [string length $pt]]] + if {$combiners ne ""} { + set combiner_decs [scan $combiners [string repeat %c [string length $combiners]]] + lset pt_decs end [concat [lindex $pt_decs end] $combiner_decs] + } + lappend graphemes {*}$pt_decs + } + return $graphemes + } + proc grapheme_split2 {text} { + set graphemes [list] + set csplits [combiner_split $text] + foreach {pt combiners} [lrange $csplits 0 end-1] { + set clist [split $pt ""] + lappend graphemes {*}[lrange $clist 0 end-1] [string cat [lindex $clist end] $combiners] + } + #last csplit never has a combiner (_perlish_split style) - and may be empty - in which case we don't append it as a grapheme + if {[lindex $csplits end] ne ""} { + lappend graphemes {*}[split [lindex $csplits end] ""] + } + return $graphemes + } # -- --- --- --- --- #will accept a single char or a string - test using console cursor position reporting + #unreliable proc char_info_testwidth {ch {emit 0}} { package require punk::console #uses cursor movement and relies on console to report position.. which it may do properly for single chars - but may misreport for combinations that combine into a single glyph @@ -1980,6 +2292,10 @@ namespace eval punk::char { return $twidth } } + proc char_info_is_testwidth_cached {char} { + variable charinfo + return [dict exists $charinfo [scan $char %c] testwidth] + } # -- --- --- --- --- diff --git a/src/modules/punk/config-0.1.tm b/src/modules/punk/config-0.1.tm index 29b996b7..2b6c4960 100644 --- a/src/modules/punk/config-0.1.tm +++ b/src/modules/punk/config-0.1.tm @@ -37,7 +37,10 @@ namespace eval punk::config { dict set startup exec_unknown true ;#whether to use exec instead of experimental shellfilter::run #dict set startup color_stdout [list cyan bold] ;#not a good idea to default dict set startup color_stdout [list] + + #This wraps the stderr stream as it comes in with Ansi - probably best to default to empty.. but it's useful. dict set startup color_stderr [list red bold] + dict set startup syslog_stdout "127.0.0.1:514" dict set startup syslog_stderr "127.0.0.1:514" dict set startup syslog_active 0 diff --git a/src/modules/punk/console-999999.0a1.0.tm b/src/modules/punk/console-999999.0a1.0.tm index d8123221..67af5480 100644 --- a/src/modules/punk/console-999999.0a1.0.tm +++ b/src/modules/punk/console-999999.0a1.0.tm @@ -30,6 +30,9 @@ if {"windows" eq $::tcl_platform(platform)} { # ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ namespace eval punk::console { + variable tabwidth 8 ;#default only - will attempt to detect and set to that configured in terminal + #Note that windows terminal cooked mode seems to use 8 for interactive use even if set differently + #e.g typing tab characters may still be echoed 8-spaced while writing to stdout my obey the terminal's tab stops. variable has_twapi 0 variable previous_stty_state_stdin "" variable previous_stty_state_stdout "" @@ -572,7 +575,7 @@ namespace eval punk::console { if {$waitvar($callid) ne "timedout"} { after cancel $cancel_timeout_id } else { - puts stderr "timeout in get_ansi_response_payload" + puts stderr "timeout in get_ansi_response_payload. Ansi request was:[ansistring VIEW $query]" } if {$was_raw == 0} { @@ -694,25 +697,27 @@ namespace eval punk::console { } } - - proc a {args} { - variable colour_disabled - variable ansi_wanted - if {$colour_disabled || $ansi_wanted <= 0} { - return - } - #stdout - tailcall ansi::a {*}$args - } - proc a+ {args} { - variable colour_disabled - variable ansi_wanted - if {$colour_disabled || $ansi_wanted <= 0} { - return - } - #stdout - tailcall ansi::a+ {*}$args - } + #a and a+ functions are not very useful when emitting directly to console + #e.g puts [punk::console::a red]test[punk::console::a cyan] would produce a cyan coloured test as the commands are evaluated first + + #proc a {args} { + # variable colour_disabled + # variable ansi_wanted + # if {$colour_disabled || $ansi_wanted <= 0} { + # return + # } + # #stdout + # tailcall ansi::a {*}$args + #} + #proc a+ {args} { + # variable colour_disabled + # variable ansi_wanted + # if {$colour_disabled || $ansi_wanted <= 0} { + # return + # } + # #stdout + # tailcall ansi::a+ {*}$args + #} proc a? {args} { #stdout variable colour_disabled @@ -754,14 +759,25 @@ namespace eval punk::console { variable ansi_wanted if {[string length $onoff]} { set onoff [string tolower $onoff] - if {$onoff in [list 1 on true yes]} { - set ansi_wanted 1 - } elseif {$onoff in [list 0 off false no]} { - set ansi_wanted 0 - } elseif {$onoff in [list default]} { - set ansi_wanted 2 - } else { - error "punk::console::ansi expected 0|1|on|off|true|false|yes|no|default" + switch -- $onoff { + 1 - + on - + true - + yes { + set ansi_wanted 1 + } + 0 - + off - + false - + no { + set ansi_wanted 0 + } + default { + set ansi_wanted 2 + } + default { + error "punk::console::ansi expected 0|1|on|off|true|false|yes|no|default" + } } } catch {repl::reset_prompt} @@ -868,6 +884,70 @@ namespace eval punk::console { set payload [punk::console::internal::get_ansi_response_payload $request $capturingregex $inoutchannels] return $payload } + proc get_tabstops {{inoutchannels {stdin stdout}}} { + #DECTABSR \x1b\[2\$w + #response example " ^[P2$u9/17/25/33/41/49/57/65/73/81^[\ " (where ^[ is \x1b) + #set capturingregex {(.*)(\x1b\[P2$u()\x1b\[\\)} + #set capturingregex {(.*)(\x1bP2$u((?:[0-9]+)*(?:\/[0-9]+)*)\x1b\\)$} + set capturingregex {(.*)(\x1bP2\$u(.*)\x1b\\)$} + set request "\x1b\[2\$w" + set payload [punk::console::internal::get_ansi_response_payload $request $capturingregex $inoutchannels] + set tabstops [split $payload "/"] + return $tabstops + } + + #a simple estimation of tab-width under assumption console is set with even spacing. + #It's known this isn't always the case - but things like textutil::untabify2 take only a single value + #on some systems test_char_width is a similar speed to get_tabstop_apparent_width - but on some test_char_width is much slower + #we will use test_char_width as a fallback + proc get_tabstop_apparent_width {} { + set tslist [get_tabstops] + if {![llength $tslist]} { + #either terminal failed to report - or none set. + set testw [test_char_width \t] + if {[string is integer -strict $testw]} { + return $testw + } + #We don't support none - default to 8 + return 8 + } + #we generally expect to see a tabstop at column 1 - but it may not be set. + if {[lindex $tslist 0] eq "1"} { + if {[llength $tslist] == 1} { + set testw [test_char_width \t] + if {[string is integer -strict $testw]} { + return $testw + } + return 8 + } else { + set next [lindex $tslist 1] + return [expr {$next - 1}] + } + } else { + #simplistic guess at width - review - do we need to consider leftmost tabstops as more likely to be non-representative and look further into the list? + if {[llength $tslist] == 1} { + return [lindex $tslist 0] + } else { + return [expr {[lindex $tslist 1] - [lindex $tslist 0]}] + } + } + } + #default to 8 just because it seems to be most common default in terminals + proc set_tabstop_width {{w 8}} { + set tsize [get_size] + set width [dict get $tsize columns] + set mod [expr {$width % $w}] + set max [expr {$width - $mod}] + set tstops "" + set c 1 + while {$c <= $max} { + append tstops [string repeat " " $w][punk::ansi::set_tabstop] + incr c $w + } + set punk::console::tabwidth $w ;#we also attempt to read terminal's tabstops and set tabwidth to the apparent spacing of first non-1 value in tabstops list. + catch {textutil::tabify::untabify2 "" $w} ;#textutil tabify can end up uninitialised and raise errors like "can't read Spaces().." after a tabstop change This call seems to keep tabify happy - review. + puts -nonewline "[punk::ansi::clear_all_tabstops]\n[punk::ansi::set_tabstop]$tstops" + } proc get_cursor_pos_list {} { @@ -875,12 +955,14 @@ namespace eval punk::console { } proc get_size {} { if {[catch { - puts -nonewline [punk::ansi::cursor_off][punk::ansi::cursor_save][punk::ansi::move 2000 2000] + #some terminals (conemu on windows) scroll the viewport when we make a big move down like this - a move to 1 1 immediately after cursor_save doesn't seem to fix that. + #This issue also occurs when switching back from the alternate screen buffer - so perhaps that needs to be addressed elsewhere. + puts -nonewline [punk::ansi::cursor_off][punk::ansi::cursor_save_dec][punk::ansi::move 2000 2000] lassign [get_cursor_pos_list] lines cols puts -nonewline [punk::ansi::cursor_restore][punk::console::cursor_on];flush stdout set result [list columns $cols rows $lines] } errM]} { - puts -nonewline [punk::ansi::cursor_restore] + puts -nonewline [punk::ansi::cursor_restore_dec] puts -nonewline [punk::ansi::cursor_on] error "$errM" } else { @@ -905,7 +987,7 @@ namespace eval punk::console { #todo - determine if these anomalies are independent of font #punk::ansi should be able to glean widths from unicode data files - but this may be incomplete - todo - compare with what terminal actually does. proc test_char_width {char_or_string {emit 0}} { - return 1 + #return 1 #JMN #puts stderr "cwtest" variable ansi_available @@ -1118,10 +1200,10 @@ namespace eval punk::console { move $orig_row $orig_col } proc scroll_up {n} { - puts -nonewline stdout [punk::ansi::scroll_up] + puts -nonewline stdout [punk::ansi::scroll_up $n] } proc scroll_down {n} { - puts -nonewline stdout [punk::ansi::scroll_down] + puts -nonewline stdout [punk::ansi::scroll_down $n] } #review - worth the extra microseconds to inline? might be if used in for example prompt on every keypress. @@ -1136,6 +1218,18 @@ namespace eval punk::console { #[call [fun cursor_restore]] puts -nonewline \x1b\[u } + #DEC equivalents of cursor_save/cursor_restore - perhaps more widely supported? + proc cursor_save_dec {} { + #*** !doctools + #[call [fun cursor_save_dec]] + puts -nonewline \x1b7 + } + proc cursor_restore_dec {} { + #*** !doctools + #[call [fun cursor_restore_dec]] + puts -nonewline \x1b8 + } + proc insert_spaces {count} { puts -nonewline stdout \x1b\[${count}@ } @@ -1162,6 +1256,8 @@ namespace eval punk::console { namespace import ansi::move_row namespace import ansi::cursor_save namespace import ansi::cursor_restore + namespace import ansi::cursor_save_dec + namespace import ansi::cursor_restore_dec namespace import ansi::scroll_down namespace import ansi::scroll_up namespace import ansi::insert_spaces @@ -1180,7 +1276,7 @@ namespace eval punk::console { #set blanks [string repeat " " [expr {$col + $tw}]] #puts -nonewline [punk::ansi::erase_eol]$blanks;move_emit_return this $col $text #puts -nonewline [move_emit_return this $col [punk::ansi::insert_spaces 150]$text] - cursor_save + cursor_save_dec #move_emit_return this $col [punk::ansi::move_forward 50][punk::ansi::insert_spaces 150][punk::ansi::move_back 50][punk::ansi::move_forward $col]$text #puts -nonewline [punk::ansi::insert_spaces 150][punk::ansi::move_column $col]$text puts -nonewline [punk::ansi::erase_eol][punk::ansi::move_column $col]$text @@ -1203,16 +1299,16 @@ namespace eval punk::console { puts -nonewline stdout $commands return "" } - #we can be faster and more efficient if we use the consoles cursor_save command - but each savecursor overrides any previous one. + #we can be faster and more efficient if we use the consoles cursor_save_dec command - but each savecursor overrides any previous one. #leave cursor_off/cursor_on to caller who can wrap more efficiently.. proc cursorsave_move_emit_return {row col data args} { set commands "" - append commands [punk::ansi::cursor_save] + append commands [punk::ansi::cursor_save_dec] append commands [punk::ansi::move_emit $row $col $data] foreach {row col data} $args { append commands [punk::ansi::move_emit $row $col $data] } - append commands [punk::ansi::cursor_restore] + append commands [punk::ansi::cursor_restore_dec] puts -nonewline stdout $commands; flush stdout } proc move_emitblock_return {row col textblock} { @@ -1229,12 +1325,12 @@ namespace eval punk::console { } proc cursorsave_move_emitblock_return {row col textblock} { set commands "" - append commands [punk::ansi::cursor_save] + append commands [punk::ansi::cursor_save_dec] foreach ln [split $textblock \n] { append commands [punk::ansi::move_emit $row $col $ln] incr row } - append commands [punk::ansi::cursor_restore] + append commands [punk::ansi::cursor_restore_dec] puts -nonewline stdout $commands;flush stdout return } diff --git a/src/modules/punk/fileline-999999.0a1.0.tm b/src/modules/punk/fileline-999999.0a1.0.tm index 5f87e25f..0e7d5562 100644 --- a/src/modules/punk/fileline-999999.0a1.0.tm +++ b/src/modules/punk/fileline-999999.0a1.0.tm @@ -368,6 +368,7 @@ namespace eval punk::fileline::class { } else { set tail [string trimleft $opt_linebase +];#ignore + } + #todo - switch -glob -- $tail if {[string match eof* $tail]} { set endmath [string range $tail 3 end] #todo endmath? @@ -1066,32 +1067,37 @@ namespace eval punk::fileline::class { foreach whichvar [list start end] { upvar 0 ${whichvar}idx index if {![string is digit -strict $index]} { - if {"end" eq $index} { - set index $max - } elseif {[string match "*-*" $index]} { - #end-int or int-int - like lrange etc we don't accept arbitrarily complex expressions - lassign [split $index -] A B - if {$A eq "end"} { - set index [expr {$max - $B}] - } else { - set index [expr {$A - $B}] + switch -glob -- $index { + end { + set index $max } - } elseif {[string match "*+*" $index]} { - lassign [split $index +] A B - if {$A eq "end"} { - #review - this will just result in out of bounds error in final test - as desired - #By calculating here - we will see the result in the error message - but it's probably not particularly useful - as we don't really need end+ support at all. - set index [expr {$max + $B}] - } else { - set index [expr {$A + $B}] + "*-*" { + #end-int or int-int - like lrange etc we don't accept arbitrarily complex expressions + lassign [split $index -] A B + if {$A eq "end"} { + set index [expr {$max - $B}] + } else { + set index [expr {$A - $B}] + } } - } else { - #May be something like +2 or -0 which braced expr can hanle - #we would like to avoid unbraced expr here - as we're potentially dealing with ranges that may come from external sources. - if {[catch {expr {$index}} index]} { - #could be end+x - but we don't want out of bounds to be valid - #set it to something that the final bounds expr test can deal with - set index Inf + "*+*" { + lassign [split $index +] A B + if {$A eq "end"} { + #review - this will just result in out of bounds error in final test - as desired + #By calculating here - we will see the result in the error message - but it's probably not particularly useful - as we don't really need end+ support at all. + set index [expr {$max + $B}] + } else { + set index [expr {$A + $B}] + } + } + default { + #May be something like +2 or -0 which braced expr can hanle + #we would like to avoid unbraced expr here - as we're potentially dealing with ranges that may come from external sources. + if {[catch {expr {$index}} index]} { + #could be end+x - but we don't want out of bounds to be valid + #set it to something that the final bounds expr test can deal with + set index Inf + } } } } @@ -1308,6 +1314,7 @@ namespace eval punk::fileline { set bomenc "" set is_reliabletxt 0 ;#see http://reliabletxt.com - only utf-8 with bom, utf-16be, utf-16le, utf-32be supported as at 2024 set startdata 0 + #todo switch -glob if {[string match "efbbbf*" $maybe_bom]} { set bomid utf-8 set bomenc utf-8 diff --git a/src/modules/punk/lib-999999.0a1.0.tm b/src/modules/punk/lib-999999.0a1.0.tm index 4d59d76c..ecc0aebd 100644 --- a/src/modules/punk/lib-999999.0a1.0.tm +++ b/src/modules/punk/lib-999999.0a1.0.tm @@ -213,12 +213,16 @@ namespace eval punk::lib { set resultlist [list] - if {[string tolower $opt_case] eq "upper"} { - set spec X - } elseif {[string tolower $opt_case] eq "lower"} { - set spec x - } else { - error "[namespace current]::dec2hex unknown value '$opt_case' for -case expected upper|lower" + switch -- [string tolower $opt_case] { + upper { + set spec X + } + lower { + set spec x + } + default { + error "[namespace current]::dec2hex unknown value '$opt_case' for -case expected upper|lower" + } } set fmt "%${opt_width}.${opt_width}ll${spec}" @@ -529,6 +533,81 @@ namespace eval punk::lib { return $answer } + #like textutil::adjust::indent - but doesn't strip trailing lines, and doesn't implement skip parameter. + proc indent {text {prefix " "}} { + set result [list] + foreach line [split $text \n] { + if {[string trim $line] eq ""} { + lappend result "" + } else { + lappend result $prefix[string trimright $line] + } + } + return [join $result \n] + } + proc undent {text} { + if {$text eq ""} { + return "" + } + set lines [split $text \n] + set nonblank [list] + foreach ln $lines { + if {[string trim $ln] eq ""} { + continue + } + lappend nonblank $ln + } + set lcp [longestCommonPrefix $nonblank] + if {$lcp eq ""} { + return $text + } + regexp {^([\t ]*)} $lcp _m lcp + if {$lcp eq ""} { + return $text + } + set len [string length $lcp] + set result [list] + foreach ln $lines { + if {[string trim $ln] eq ""} { + lappend result "" + } else { + lappend result [string range $ln $len end] + } + } + return [join $result \n] + } + #A version of textutil::string::longestCommonPrefixList + proc longestCommonPrefix {items} { + if {[llength $items] <= 1} { + return [lindex $items 0] + } + set items [lsort $items[unset items]] + set min [lindex $items 0] + set max [lindex $items end] + #if first and last of sorted list share a prefix - then all do (first and last of sorted list are the most different in the list) + #(sort order nothing to do with length - e.g min may be longer than max) + if {[string length $min] > [string length $max]} { + set temp $min + set min $max + set max $temp + } + set n [string length $min] + set prefix "" + set i -1 + while {[incr i] < $n && ([set c [string index $min $i]] eq [string index $max $i])} { + append prefix $c + } + return $prefix + } + + #test example of the technique - not necessarily particularly useful as a function, except maybe for brevity/clarity. todo - test if inlined version gives any perf advantage compared to a temp var + proc swapnumvars {namea nameb} { + upvar $namea a $nameb b + set a [expr {$a ^ $b}] + set b [expr {$a ^ $b}] + set a [expr {$a ^ $b}] + } + #e.g linesort -decreasing $data proc linesort {args} { #*** !doctools @@ -561,7 +640,6 @@ namespace eval punk::lib { } elseif {[llength $args] == 1} { set joinchar "\n" set lines [lindex $args 0] - } else { error "list_as_lines usage: list_as_lines ?-joinchar ? " } @@ -632,43 +710,56 @@ namespace eval punk::lib { -ansiresets 0\ ] dict for {o v} $arglist { - if {$o ni {-block -line -commandprefix -ansiresets}} { - error "linelist: Unrecognized option '$o' usage:$usage" + switch -- $o { + -block - -line - -commandprefix - -ansiresets {} + default { + error "linelist: Unrecognized option '$o' usage:$usage" + } } } set opts [dict merge $defaults $arglist] # -- --- --- --- --- --- set opt_block [dict get $opts -block] - set known_blockopts [list trimhead trimtail triminner trimall trimhead1 trimtail1 collateempty] - foreach bo $opt_block { - if {$bo ni $known_blockopts} { - error "linelist: unknown -block option value: $bo known values: $known_blockopts" + if {[llength $opt_block]} { + foreach bo $opt_block { + switch -- $bo { + trimhead - trimtail - triminner - trimall - trimhead1 - trimtail1 - collateempty {} + default { + set known_blockopts [list trimhead trimtail triminner trimall trimhead1 trimtail1 collateempty] + error "linelist: unknown -block option value: $bo known values: $known_blockopts" + } + } } - } - #normalize certain combos - if {[set posn [lsearch $opt_block trimhead1]] >=0 && "trimhead" in $opt_block} { - set opt_block [lreplace $opt_block $posn $posn] - } - if {[set posn [lsearch $opt_block trimtail1]] >=0 && "trimtail" in $opt_block} { - set opt_block [lreplace $opt_block $posn $posn] - } - if {"trimall" in $opt_block} { - #no other block options make sense in combination with this - set opt_block [list "trimall"] + #normalize certain combos + if {[set posn [lsearch $opt_block trimhead1]] >=0 && "trimhead" in $opt_block} { + set opt_block [lreplace $opt_block $posn $posn] + } + if {[set posn [lsearch $opt_block trimtail1]] >=0 && "trimtail" in $opt_block} { + set opt_block [lreplace $opt_block $posn $posn] + } + if {"trimall" in $opt_block} { + #no other block options make sense in combination with this + set opt_block [list "trimall"] + } + + #TODO + if {"triminner" in $opt_block } { + error "linelist -block triminner not implemented - sorry" + } + } - #TODO - if {"triminner" in $opt_block } { - error "linelist -block triminner not implemented - sorry" - } # -- --- --- --- --- --- set opt_line [dict get $opts -line] - set known_lineopts [list trimline trimleft trimright] foreach lo $opt_line { - if {$lo ni $known_lineopts} { - error "linelist: unknown -line option value: $lo known values: $known_lineopts" - } + switch -- $lo { + trimline - trimleft - trimright {} + default { + set known_lineopts [list trimline trimleft trimright] + error "linelist: unknown -line option value: $lo known values: $known_lineopts" + } + } } #normalize trimleft trimright combo if {"trimleft" in $opt_line && "trimright" in $opt_line} { @@ -777,9 +868,15 @@ namespace eval punk::lib { set linelist $transformed } else { + #INLINE punk::ansi::codetype::is_sgr_reset + #regexp {\x1b\[0*m$} $code + set re_is_sgr_reset {\x1b\[0*m$} + #INLINE punk::ansi::codetype::is_sgr + #regexp {\033\[[0-9;:]*m$} $code + set re_is_sgr {\x1b\[[0-9;:]*m$} foreach ln $linelist { - set is_replay_pure_reset [punk::ansi::codetype::is_sgr_reset $replaycodes] ;#only looks at tail code - but if tail is pure reset - any prefix is ignorable + #set is_replay_pure_reset [regexp {\x1b\[0*m$} $replaycodes] ;#only looks at tail code - but if tail is pure reset - any prefix is ignorable set ansisplits [punk::ansi::ta::split_codes_single $ln] if {[llength $ansisplits]<= 1} { @@ -819,6 +916,11 @@ namespace eval punk::lib { set codestack [list $code] } else { if {[punk::ansi::codetype::is_sgr $code]} { + #todo - proper test of each code - so we only take latest background/foreground etc. + #requires handling codes with varying numbers of parameters. + #basic simplification - remove straight dupes. + set dup_posns [lsearch -all -exact $codestack $code] ;#!must use -exact as codes have square brackets which are interpreted as glob chars. + set codestack [lremove $codestack {*}$dup_posns] lappend codestack $code } ;#else gx0 or other code - we don't want to stack it with SGR codes } @@ -834,7 +936,9 @@ namespace eval punk::lib { } } - set newreplay [join $codestack ""] + #set newreplay [join $codestack ""] + set newreplay [punk::ansi::codetype::sgr_merge {*}$codestack] + if {$line_has_sgr && $newreplay ne $replaycodes} { #adjust if it doesn't already does a reset at start if {[punk::ansi::codetype::has_sgr_leadingreset $newreplay]} { @@ -930,7 +1034,6 @@ namespace eval punk::lib { set rawargs [lindex $ov_vals 1] - set known_argspecs [list -default -type -range -choices -nocase -optional -multiple -validate_without_ansi -allow_ansi -strip_ansi -ARGTYPE] set optspec_defaults [dict create\ -optional 1\ -allow_ansi 1\ @@ -960,8 +1063,8 @@ namespace eval punk::lib { foreach ln $records { set trimln [string trim $ln] - if {$trimln eq "" || [string index $trimln 0] eq "#"} { - continue + switch -- [string index $trimln 0] { + "" - # {continue} } set argname [lindex $trimln 0] set argspecs [lrange $trimln 1 end] @@ -977,8 +1080,12 @@ namespace eval punk::lib { set is_opt 0 } dict for {spec specval} $argspecs { - if {$spec ni $known_argspecs} { - error "punk::lib::opts_values - unrecognised key '$spec' in specifications for argument '$argname' Known option specification keys: $known_argspecs" + switch -- $spec { + -default - -type - -range - -choices - -nocase - -optional - -multiple - -validate_without_ansi - -allow_ansi - -strip_ansi - -ARGTYPE {} + default { + set known_argspecs [list -default -type -range -choices -nocase -optional -multiple -validate_without_ansi -allow_ansi -strip_ansi -ARGTYPE] + error "punk::lib::opts_values - unrecognised key '$spec' in specifications for argument '$argname' Known option specification keys: $known_argspecs" + } } } set argspecs [dict merge $optspec_defaults $argspecs] @@ -1194,15 +1301,20 @@ namespace eval punk::lib { set allow_ansi 0 } if {!$allow_ansi} { - foreach e $vlist { - if {[punk::ansi::ta::detect $e]} { - error "Option $o for $caller contains ansi - but -allow_ansi is false. Received: '$e'" - } + #detect should work fine directly on whole list + if {[punk::ansi::ta::detect $vlist]} { + error "Option $o for $caller contains ansi - but -allow_ansi is false. Received: [ansistring VIEW $vlist]" } + #foreach e $vlist { + # if {[punk::ansi::ta::detect $e]} { + # error "Option $o for $caller contains ansi - but -allow_ansi is false. Received: '$e'" + # } + #} } set vlist_check [list] foreach e $vlist { + #could probably stripansi entire list safely in one go? - review if {$validate_without_ansi} { lappend vlist_check [punk::ansi::stripansi $e] } else { @@ -1224,65 +1336,94 @@ namespace eval punk::lib { if {!$is_default} { if {[dict exists $arg_info $o -type]} { set type [dict get $arg_info $o -type] - if {[string tolower $type] in {int integer double}} { - if {[string tolower $type] in {int integer}} { - foreach e $vlist e_check $vlist_check { - if {![string is integer -strict $e_check]} { - error "Option $o for $caller requires type 'integer'. Received: '$e'" + set ltype [string tolower $type] + switch -- $type { + int - + integer - + double { + switch -- $ltype { + int - + integer { + foreach e $vlist e_check $vlist_check { + if {![string is integer -strict $e_check]} { + error "Option $o for $caller requires type 'integer'. Received: '$e'" + } + } } - } - } elseif {[string tolower $type] in {double}} { - foreach e $vlist e_check $vlist_check { - if {![string is double -strict $e_check]} { - error "Option $o for $caller requires type 'double'. Received: '$e'" + double { + foreach e $vlist e_check $vlist_check { + if {![string is double -strict $e_check]} { + error "Option $o for $caller requires type 'double'. Received: '$e'" + } + } } } - } - - #todo - small-value double comparisons with error-margin? review - if {[dict exists $arg_info $o -range]} { - lassign [dict get $arg_info $o -range] low high - foreach e $vlist e_check $vlist_check { - if {$e_check < $low || $e_check > $high} { - error "Option $o for $caller must be between $low and $high. Received: '$e'" + #todo - small-value double comparisons with error-margin? review + if {[dict exists $arg_info $o -range]} { + lassign [dict get $arg_info $o -range] low high + foreach e $vlist e_check $vlist_check { + if {$e_check < $low || $e_check > $high} { + error "Option $o for $caller must be between $low and $high. Received: '$e'" + } } } } - } elseif {[string tolower $type] in {bool boolean}} { - foreach e $vlist e_check $vlist_check { - if {![string is boolean -strict $e_check]} { - error "Option $o for $caller requires type 'boolean'. Received: '$e'" - } - } - } elseif {[string tolower $type] in {alnum alpha ascii control digit graph lower print punct space upper wordchar xdigit}} { - foreach e $vlist e_check $vlist_check { - if {![string is [string tolower $type] $e_check]} { - error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e'" + bool - + boolean { + foreach e $vlist e_check $vlist_check { + if {![string is boolean -strict $e_check]} { + error "Option $o for $caller requires type 'boolean'. Received: '$e'" + } } } - } elseif {[string tolower $type] in {file directory existingfile existingdirectory}} { - foreach e $vlist e_check $vlist_check { - if {!([string length $e_check]>0 && ![regexp {[\"*?<>\;]} $e_check])} { - error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which doesn't look like it could be a file or directory" + alnum - + alpha - + ascii - + control - + digit - + graph - + lower - + print - + punct - + space - + upper - + wordchar - + xdigit { + foreach e $vlist e_check $vlist_check { + if {![string is [string tolower $type] $e_check]} { + error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e'" + } } } - if {[string tolower $type] in {existingfile}} { + file - + directory - + existingfile - + existingdirectory { foreach e $vlist e_check $vlist_check { - if {![file exists $e_check]} { - error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which is not an existing file" + if {!([string length $e_check]>0 && ![regexp {[\"*?<>\;]} $e_check])} { + error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which doesn't look like it could be a file or directory" } } - } elseif {[string tolower $type] in {existingdirectory}} { - foreach e $vlist e_check $vlist_check { - if {![file isdirectory $e_check]} { - error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which is not an existing directory" + if {[string tolower $type] in {existingfile}} { + foreach e $vlist e_check $vlist_check { + if {![file exists $e_check]} { + error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which is not an existing file" + } + } + } elseif {[string tolower $type] in {existingdirectory}} { + foreach e $vlist e_check $vlist_check { + if {![file isdirectory $e_check]} { + error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which is not an existing directory" + } } } } - } elseif {[string tolower $type] in {char character}} { - foreach e $vlist e_check $vlist_check { - if {[string length != 1]} { - error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which is not a single character" + char - + character { + foreach e $vlist e_check $vlist_check { + if {[string length != 1]} { + error "Option $o for $caller requires type '[string tolower $type]'. Received: '$e' which is not a single character" + } } } } @@ -1372,6 +1513,102 @@ namespace eval punk::lib { insert ::tcl::string::insert] } + interp alias {} errortime {} punk::lib::errortime + proc errortime {script groupsize {iters 2}} { + #by use MAK from https://wiki.tcl-lang.org/page/How+to+Measure+Performance + set i 0 + set times {} + if {$iters < 2} {set iters 2} + + for {set i 0} {$i < $iters} {incr i} { + set result [uplevel [list time $script $groupsize]] + lappend times [lindex $result 0] + } + + set average 0.0 + set s2 0.0 + + foreach time $times { + set average [expr {$average + double($time)/$iters}] + } + + foreach time $times { + set s2 [expr {$s2 + (($time-$average)*($time-$average) / ($iters-1))}] + } + + set sigma [expr {int(sqrt($s2))}] + set average [expr int($average)] + + return "$average +/- $sigma microseconds per iteration" + } + + #test function to use with show_jump_tables + #todo - check if switch compilation to jump tables differs by Tcl version + proc switch_char_test {c} { + set dec [scan $c %c] + foreach t [list 1 2 3] { + switch -- $c { + x { + return [list $dec x $t] + } + y { + return [list $dec y $t] + } + z { + return [list $dec z $t] + } + } + } + + #tcl 8.6/8.7 (at least) + #curlies must be unescaped and unbraced to work as literals in switch and enable it to compile to jumpTable + switch -- $c { + a { + return [list $dec a] + } + {"} { + return [list $dec dquote] + } + {[} {return [list $dec lb]} + {]} {return [list $dec rb]} + "{" { + return [list $dec lbrace] + } + "}" { + return [list $dec rbrace] + } + default { + return [list $dec $c] + } + } + + + + } + + #we are interested in seeing jumpTable line and following lines up until next line starting with "Command" or bracketed number e.g (164) + proc show_jump_tables {procname} { + set data [tcl::unsupported::disassemble proc $procname] + set result "" + set in_jt 0 + foreach ln [split $data \n] { + set tln [string trim $ln] + if {!$in_jt} { + if {[string match *jumpTable* $ln]} { + append result $ln \n + set in_jt 1 + } + } else { + if {[string match Command* $tln] || [string match "(*) *" $tln]} { + set in_jt 0 + } else { + append result $ln \n + } + } + } + return $result + } + #*** !doctools #[list_end] [comment {--- end definitions namespace punk::lib ---}] } @@ -1480,49 +1717,56 @@ namespace eval punk::lib::system { } ;# set escaped 0 at end set p [lindex $innerpartials end] if {$escaped == 0} { - if {$c eq {"}} { - if {![info complete ${p}]} { - lappend waiting {"} - lappend innerpartials "" - } else { - if {[lindex $waiting end] eq {"}} { - #this quote is endquote - set waiting [lrange $waiting 0 end-1] - set innerpartials [lrange $innerpartials 0 end-1] + #NOTE - curly braces as switch arm keys must be unescaped and balanced. (escapes stop byte-compilation to jumpTable for switch statements for tcl8.6/8.7 at least) + switch -- $c { + {"} { + if {![info complete ${p}]} { + lappend waiting {"} + lappend innerpartials "" } else { - if {![info complete ${p}$c]} { - lappend waiting {"} - lappend innerpartials "" + if {[lindex $waiting end] eq {"}} { + #this quote is endquote + set waiting [lrange $waiting 0 end-1] + set innerpartials [lrange $innerpartials 0 end-1] } else { - set p ${p}${c} - lset innerpartials end $p + if {![info complete ${p}$c]} { + lappend waiting {"} + lappend innerpartials "" + } else { + set p ${p}${c} + lset innerpartials end $p + } } } } - } elseif {$c eq "\["} { - if {![info complete ${p}$c]} { - lappend waiting "\]" - lappend innerpartials "" - } else { - set p ${p}${c} - lset innerpartials end $p + {[} { + if {![info complete ${p}$c]} { + lappend waiting "\]" + lappend innerpartials "" + } else { + set p ${p}${c} + lset innerpartials end $p + } } - } elseif {$c eq "\{"} { - if {![info complete ${p}$c]} { - lappend waiting "\}" - lappend innerpartials "" - } else { - set p ${p}${c} - lset innerpartials end $p + "{" { + if {![info complete ${p}$c]} { + lappend waiting "\}" + lappend innerpartials "" + } else { + set p ${p}${c} + lset innerpartials end $p + } } - } else { - set waitingfor [lindex $waiting end] - if {$c eq "$waitingfor"} { - set waiting [lrange $waiting 0 end-1] - set innerpartials [lrange $innerpartials 0 end-1] - } else { - set p ${p}${c} - lset innerpartials end $p + "}" - + default { + set waitingfor [lindex $waiting end] + if {$c eq "$waitingfor"} { + set waiting [lrange $waiting 0 end-1] + set innerpartials [lrange $innerpartials 0 end-1] + } else { + set p ${p}${c} + lset innerpartials end $p + } } } } else { @@ -1534,12 +1778,18 @@ namespace eval punk::lib::system { } set incomplete [list] foreach w $waiting { - if {$w eq {"}} { - lappend incomplete $w - } elseif {$w eq "\]"} { - lappend incomplete "\[" - } elseif {$w eq "\}"} { - lappend incomplete "\{" + #to be treated as literals - curly braces must be unescaped here - and balanced - hence the left-curly empty arm. + switch -- $w { + {"} { + lappend incomplete $w + } + {]} { + lappend incomplete "\[" + } + "{" {} + "}" { + lappend incomplete "\{" + } } } set debug 0 @@ -1595,7 +1845,7 @@ namespace eval punk::lib::system { } return $incomplete } - + #*** !doctools #[list_end] [comment {--- end definitions namespace punk::lib::system ---}] } diff --git a/src/modules/punk/lib-buildversion.txt b/src/modules/punk/lib-buildversion.txt index f47d01c8..781c895b 100644 --- a/src/modules/punk/lib-buildversion.txt +++ b/src/modules/punk/lib-buildversion.txt @@ -1,3 +1,3 @@ -0.1.0 +0.1.1 #First line must be a semantic version number #all other lines are ignored. diff --git a/src/modules/punk/mix/base-0.1.tm b/src/modules/punk/mix/base-0.1.tm index e9977bec..ad4e86a3 100644 --- a/src/modules/punk/mix/base-0.1.tm +++ b/src/modules/punk/mix/base-0.1.tm @@ -494,9 +494,13 @@ namespace eval punk::mix::base { if {[catch {file type $path} ftype]} { return [list cksum "" opts $opts] } - if {$ftype ni [list file directory]} { - #review - links? - error "cksum_path error file type '$ftype' not supported" + + #review - links? + switch -- $ftype { + file - directory {} + default { + error "cksum_path error file type '$ftype' not supported" + } } @@ -512,54 +516,65 @@ namespace eval punk::mix::base { set opt_cksum_meta [dict get $opts -cksum_meta] set opt_use_tar [dict get $opts -cksum_usetar] - if {$ftype eq "file"} { - if {$opt_use_tar eq "auto"} { - if {$opt_cksum_meta eq "1"} { - set opt_use_tar 1 - } else { - #prefer no tar if meta not required - faster/simpler - #meta == auto or 0 - set opt_cksum_meta 0 - set opt_use_tar 0 - } - } elseif {$opt_use_tar eq "0"} { - if {$opt_cksum_meta eq "1"} { - puts stderr "cksum_path doesn't yet support a non-tar cksum with metadata for a file" - return [list error unsupported_meta_without_tar cksum "" opts $opts] - } else { - #meta == auto or 0 - set opt_cksum_meta 0 - } - } else { - #tar == 1 - if {$opt_cksum_meta eq "0"} { - puts stderr "cksum_path doesn't yet support a tar cksum without metadata for a file" - return [list error unsupported_tar_without_meta cksum "" opts $opts] - } else { - #meta == auto or 1 - set opt_cksum_meta 1 + switch -- $ftype { + file { + switch -- $opt_use_tar { + auto { + if {$opt_cksum_meta eq "1"} { + set opt_use_tar 1 + } else { + #prefer no tar if meta not required - faster/simpler + #meta == auto or 0 + set opt_cksum_meta 0 + set opt_use_tar 0 + } + } + 0 { + if {$opt_cksum_meta eq "1"} { + puts stderr "cksum_path doesn't yet support a non-tar cksum with metadata for a file" + return [list error unsupported_meta_without_tar cksum "" opts $opts] + } else { + #meta == auto or 0 + set opt_cksum_meta 0 + } + } + default { + #tar == 1 + if {$opt_cksum_meta eq "0"} { + puts stderr "cksum_path doesn't yet support a tar cksum without metadata for a file" + return [list error unsupported_tar_without_meta cksum "" opts $opts] + } else { + #meta == auto or 1 + set opt_cksum_meta 1 + } + } } } - } elseif {$ftype eq "directory"} { - if {$opt_use_tar eq "auto"} { - if {$opt_cksum_meta in [list "auto" "1"]} { - set opt_use_tar 1 - set opt_cksum_meta 1 - } else { - puts stderr "cksum_path doesn't yet support a content-only cksum of a folder structure. Currently only files supported without metadata. For folders use cksum_path -cksum_meta 1 or auto" - return [list error unsupported_directory_cksum_without_meta cksum "" opts $opts] - } - } elseif {$opt_use_tar eq "0"} { - puts stderr "cksum_path doesn't yet support a cksum of a folder structure without tar. Currently only files supported without metadata. For folders use cksum_path -cksum_meta 1 or auto with -cksum_usetar 1 or auto" - return [list error unsupported_directory_cksum_without_tar cksum "" opts $opts] - } else { - #tar 1 - if {$opt_cksum_meta eq "0"} { - puts stderr "cksum_path doesn't yet support a tar checksum of a folder structure without metadat. Currently only files supported without metadata. For folders use cksum_path -cksum_meta 1 or auto with -cksum_usetar 1 or auto" - return [list error unsupported_without_meta cksum "" opts $opts] - } else { - #meta == auto or 1 - set opt_cksum_meta 1 + directory { + switch -- $opt_use_tar { + auto { + if {$opt_cksum_meta in [list "auto" "1"]} { + set opt_use_tar 1 + set opt_cksum_meta 1 + } else { + puts stderr "cksum_path doesn't yet support a content-only cksum of a folder structure. Currently only files supported without metadata. For folders use cksum_path -cksum_meta 1 or auto" + return [list error unsupported_directory_cksum_without_meta cksum "" opts $opts] + } + } + 0 { + puts stderr "cksum_path doesn't yet support a cksum of a folder structure without tar. Currently only files supported without metadata. For folders use cksum_path -cksum_meta 1 or auto with -cksum_usetar 1 or auto" + return [list error unsupported_directory_cksum_without_tar cksum "" opts $opts] + } + default { + #tar 1 + if {$opt_cksum_meta eq "0"} { + puts stderr "cksum_path doesn't yet support a tar checksum of a folder structure without metadat. Currently only files supported without metadata. For folders use cksum_path -cksum_meta 1 or auto with -cksum_usetar 1 or auto" + return [list error unsupported_without_meta cksum "" opts $opts] + } else { + #meta == auto or 1 + set opt_cksum_meta 1 + } + } } } } @@ -578,29 +593,36 @@ namespace eval punk::mix::base { puts stderr "cksum_path doesn't yet support cksum of entire volume. (todo)" return [list error unsupported_path opts $opts] } - - if {$opt_cksum_algorithm eq "sha1"} { - package require sha1 - set cksum_command [list sha1::sha1 -hex -file] - } elseif {$opt_cksum_algorithm in [list "sha2" "sha256"]} { - package require sha256 - set cksum_command [list sha2::sha256 -hex -file] - } elseif {$opt_cksum_algorithm eq "md5"} { - package require md5 - set cksum_command [list md5::md5 -hex -file] - } elseif {$opt_cksum_algorithm eq "cksum"} { - package require cksum ;#tcllib - set cksum_command [list crc::cksum -format 0x%X -file] - } elseif {$opt_cksum_algorithm eq "adler32"} { - set cksum_command [list cksum_adler32_file] - } elseif {$opt_cksum_algorithm in [list "sha3" "sha3-256"]} { - #todo - replace with something that doesn't call another process - #set cksum_command [list apply {{file} {lindex [exec fossil sha3sum -256 $file] 0}}] - set cksum_command [list $sha3_implementation 256] - } elseif {$opt_cksum_algorithm in [list "sha3-224" "sha3-384" "sha3-512"]} { - set bits [lindex [split $opt_cksum_algorithm -] 1] - #set cksum_command [list apply {{bits file} {lindex [exec fossil sha3sum -$bits $file] 0}} $bits] - set cksum_command [list $sha3_implementation $bits] + switch -- $opt_cksum_algorithm { + sha1 { + package require sha1 + set cksum_command [list sha1::sha1 -hex -file] + } + sha2 - sha256 { + package require sha256 + set cksum_command [list sha2::sha256 -hex -file] + } + md5 { + package require md5 + set cksum_command [list md5::md5 -hex -file] + } + cksum { + package require cksum ;#tcllib + set cksum_command [list crc::cksum -format 0x%X -file] + } + adler32 { + set cksum_command [list cksum_adler32_file] + } + sha3 - sha3-256 { + #todo - replace with something that doesn't call another process + #set cksum_command [list apply {{file} {lindex [exec fossil sha3sum -256 $file] 0}}] + set cksum_command [list $sha3_implementation 256] + } + sha3-224 - sha3-384 - sah3-512 { + set bits [lindex [split $opt_cksum_algorithm -] 1] + #set cksum_command [list apply {{bits file} {lindex [exec fossil sha3sum -$bits $file] 0}} $bits] + set cksum_command [list $sha3_implementation $bits] + } } set cksum "" diff --git a/src/modules/punk/mix/commandset/scriptwrap-999999.0a1.0.tm b/src/modules/punk/mix/commandset/scriptwrap-999999.0a1.0.tm index e91d0ae8..3afe3d28 100644 --- a/src/modules/punk/mix/commandset/scriptwrap-999999.0a1.0.tm +++ b/src/modules/punk/mix/commandset/scriptwrap-999999.0a1.0.tm @@ -209,493 +209,498 @@ namespace eval punk::mix::commandset::scriptwrap { set callposn -1 set trimln [string trim $callingline_payload] - if {[string match "rem *" $trimln] || [string match "@rem *" $trimln] || [string match "REM *" $trimln] || [string match "@REM *" $trimln]} { - #ignore things that look like a call that are beind a REM - } else { - #todo - better callsite analysis. There can be data between @GOTO or @CALL and : other than just whitespace! - - #todo - allow analysis of colon-less call. May need to check list of internal commands - but what about external ones? - #foreach search_regex [list {(.*\s+|^)(@*call\s*:*)(\S.*)} {(.*\s+|^)(@*CALL\s*:*)(\S.*)} {(.*\s+|^)(@*goto\s*:*)(\S.*)} {(.*\s+|^)(@*GOTO\s*:*)(\S.*)}] {} - foreach search_regex [list {(.*\s+|^)(@*call\s*:)(\S.*)} {(.*\s+|^)(@*CALL\s*:)(\S.*)} {(.*\s+|^)(@*goto\s*:)(\S.*)} {(.*\s*|.*\s+|^)(@*GOTO\s*:)(\S.*)} {(.*\|\|.*)(@*GOTO\s*:)(\S.*)}] { - if {[regexp $search_regex $callingline_payload _m precall call labelplus]} { - #todo further checks to see if it's actually a batch script line - # - - - - work out what cmd.exe considers start of 512B boundaries when scanning from a callsite - #callposn affected by newlines? - #set callposn [expr {$file_offset + [string length $callingline_payload]}] ;#take callposn as end of line .. review - multiline statements? - set callposn [expr {$file_offset + $callingline_len}] - - #Note there are anomalies around target labels in bracketed sections such as IF blocks - #this is bad practice - as it can lead to unbalanced braces - but batch files can still work under cmd.exe with them in some cases - #e.g unbalanced trailing bracket may be ignored. - #A working script with target-labels in braces can fail due to boundary issues we don't detect (callsite for boundary counting may need to be at end of entire multiline if block??) - #For now - just make sure punk templates don't do this - but it would be nice to be able to detect. - - #set callposn $file_offset - #set callposn [expr {$file_offset + [string length $precall]}] - # - - - - - break - } + #if {[string match "rem *" $trimln] || [string match "@rem *" $trimln] || [string match "REM *" $trimln] || [string match "@REM *" $trimln]} {} + #ignore things that look like a call that are beind a REM + switch -glob -nocase -- $trimln { + "rem *" - "@rem *" { + } - set callsite_labelfound 0 ;#until proven - if {$callposn != -1} { - set callposn_lineindex [lindex [$objFile chunkrange_to_linerange $callposn $callposn] 0] - #the line represented by callposn may actually be beyond the calling_line_index - set labelinfo [batchlib::get_callsite_label $labelplus] - if {[dict get $labelinfo labelfound]} { - set callsite_labelfound 1 - set label [dict get $labelinfo label] - set call_label_record [list label $label line $callingline_num] - dict lappend call_labels_found $label $call_label_record - } else { - puts stderr "[a+ yellow bold]WARNING - apparent callsite $callposn but couldn't verify label[a]" - puts stderr "Line:\n$trimln" + default { + #todo - better callsite analysis. There can be data between @GOTO or @CALL and : other than just whitespace! + + #todo - allow analysis of colon-less call. May need to check list of internal commands - but what about external ones? + #foreach search_regex [list {(.*\s+|^)(@*call\s*:*)(\S.*)} {(.*\s+|^)(@*CALL\s*:*)(\S.*)} {(.*\s+|^)(@*goto\s*:*)(\S.*)} {(.*\s+|^)(@*GOTO\s*:*)(\S.*)}] {} + foreach search_regex [list {(.*\s+|^)(@*call\s*:)(\S.*)} {(.*\s+|^)(@*CALL\s*:)(\S.*)} {(.*\s+|^)(@*goto\s*:)(\S.*)} {(.*\s*|.*\s+|^)(@*GOTO\s*:)(\S.*)} {(.*\|\|.*)(@*GOTO\s*:)(\S.*)}] { + if {[regexp $search_regex $callingline_payload _m precall call labelplus]} { + #todo further checks to see if it's actually a batch script line + # - - - - work out what cmd.exe considers start of 512B boundaries when scanning from a callsite + #callposn affected by newlines? + #set callposn [expr {$file_offset + [string length $callingline_payload]}] ;#take callposn as end of line .. review - multiline statements? + set callposn [expr {$file_offset + $callingline_len}] + + #Note there are anomalies around target labels in bracketed sections such as IF blocks + #this is bad practice - as it can lead to unbalanced braces - but batch files can still work under cmd.exe with them in some cases + #e.g unbalanced trailing bracket may be ignored. + #A working script with target-labels in braces can fail due to boundary issues we don't detect (callsite for boundary counting may need to be at end of entire multiline if block??) + #For now - just make sure punk templates don't do this - but it would be nice to be able to detect. + + #set callposn $file_offset + #set callposn [expr {$file_offset + [string length $precall]}] + # - - - - + break + } } - } - - #todo - multiple calls on one line. - also - determine what cmd considers the starting point for forward scanning when call is in a structure such as an if statement. - if {$callsite_labelfound} { - puts stdout "[a+ bold cyan]CALLSITE on line $callingline_num ending at byte $callposn[a]" - set callsummary [string range "${call}${labelplus}" 0 100] - if {[string length $callsummary] < [string length ${call}${labelplus}]} { - puts stdout " CALLSITE: $callsummary (truncated to 100 bytes)" - } else { - puts stdout " CALLSITE: '${call}${labelplus}'" + set callsite_labelfound 0 ;#until proven + if {$callposn != -1} { + set callposn_lineindex [lindex [$objFile chunkrange_to_linerange $callposn $callposn] 0] + #the line represented by callposn may actually be beyond the calling_line_index + set labelinfo [batchlib::get_callsite_label $labelplus] + if {[dict get $labelinfo labelfound]} { + set callsite_labelfound 1 + set label [dict get $labelinfo label] + set call_label_record [list label $label line $callingline_num] + dict lappend call_labels_found $label $call_label_record + } else { + puts stderr "[a+ yellow bold]WARNING - apparent callsite $callposn but couldn't verify label[a]" + puts stderr "Line:\n$trimln" + } } - puts stdout " [a+ cyan]FULLINE: $callingline_payload[a]" + #todo - multiple calls on one line. - also - determine what cmd considers the starting point for forward scanning when call is in a structure such as an if statement. + if {$callsite_labelfound} { + puts stdout "[a+ bold cyan]CALLSITE on line $callingline_num ending at byte $callposn[a]" + set callsummary [string range "${call}${labelplus}" 0 100] + if {[string length $callsummary] < [string length ${call}${labelplus}]} { + puts stdout " CALLSITE: $callsummary (truncated to 100 bytes)" + } else { + puts stdout " CALLSITE: '${call}${labelplus}'" + } + puts stdout " [a+ cyan]FULLINE: $callingline_payload[a]" - ################################## - #set labelpluswords [regexp -inline -all {\S+} $labelplus] ;#don't assume labelplus can be treated as Tcl list - use regexp to split - #NOTE it is invalid to assume label always terminated by space - pair of % characters (variable substitution) can contain a space without terminating label - #set word1 [lindex $labelpluswords 0] + ################################## + #set labelpluswords [regexp -inline -all {\S+} $labelplus] ;#don't assume labelplus can be treated as Tcl list - use regexp to split + #NOTE it is invalid to assume label always terminated by space - pair of % characters (variable substitution) can contain a space without terminating label + #set word1 [lindex $labelpluswords 0] - ################################## + ################################## - set labelsize [string length $label] - #scan forward for labels at boundaries - set forward_chunk [$objFile chunk $callposn end] - set forward_chunk_base $callposn ;#name for clarity - incr callid - set callvar "call-${callid}_fromline-${callingline_num}" - upvar 0 $callvar objForwardScan - set objForwardScan [fileline::textinfo new $forward_chunk] + set labelsize [string length $label] + #scan forward for labels at boundaries + set forward_chunk [$objFile chunk $callposn end] + set forward_chunk_base $callposn ;#name for clarity + incr callid + set callvar "call-${callid}_fromline-${callingline_num}" + upvar 0 $callvar objForwardScan + set objForwardScan [fileline::textinfo new $forward_chunk] - ################################################################################################################################## - #Forward scan 1 - check at normal line boundaries - and see if collides with a chunk boundary - and if the label is obscured or ok - set dsize [$objForwardScan chunklen] - set num_boundaries [expr {$dsize / 512} ] - puts "scanning $dsize forward bytes in file starting at $forward_chunk_base for label '$label' - num_boundaries: $num_boundaries" - set total_offset $file_offset - set found_forward_label 0 - foreach scanlineinfo [$objForwardScan lineinfolist 0 end] { - set scanline_start [dict get $scanlineinfo start] - set scanline_bytes [dict get $scanlineinfo linelen] - set scanline [dict get $scanlineinfo payload] - set line_start_global [expr {$forward_chunk_base + $scanline_start}] - set line_index_global [lindex [$objFile chunkrange_to_linerange $line_start_global $line_start_global] 0] - set line_num_global [expr {$line_index_global + 1}] + ################################################################################################################################## + #Forward scan 1 - check at normal line boundaries - and see if collides with a chunk boundary - and if the label is obscured or ok + set dsize [$objForwardScan chunklen] + set num_boundaries [expr {$dsize / 512} ] + puts "scanning $dsize forward bytes in file starting at $forward_chunk_base for label '$label' - num_boundaries: $num_boundaries" + set total_offset $file_offset + set found_forward_label 0 + foreach scanlineinfo [$objForwardScan lineinfolist 0 end] { + set scanline_start [dict get $scanlineinfo start] + set scanline_bytes [dict get $scanlineinfo linelen] + set scanline [dict get $scanlineinfo payload] - set trimscanline [string trim $scanline] + set line_start_global [expr {$forward_chunk_base + $scanline_start}] + set line_index_global [lindex [$objFile chunkrange_to_linerange $line_start_global $line_start_global] 0] + set line_num_global [expr {$line_index_global + 1}] - set found_targetlabel_at_line 0 ;# until disproven - if {[string first : $scanline] >= 0} { - set labelinfo [batchlib::get_target_label_from_line $scanline] - if {[dict get $labelinfo labelfound] && [dict get $labelinfo label] eq $label} { - #add to target_labels_found record below - set scan_target_label_record [list label $label line $line_num_global] - set found_targetlabel_at_line 1 - } - } - - if {$found_targetlabel_at_line} { - set scan_target_label_same_line_seen false - if {[dict exists $target_labels_found $label]} { - set thislabel_records [dict get $target_labels_found $label] - foreach previous $thislabel_records { - if {[dict get $previous line] eq $line_num_global} { - set scan_target_label_same_line_seen true - } + set trimscanline [string trim $scanline] + + set found_targetlabel_at_line 0 ;# until disproven + if {[string first : $scanline] >= 0} { + set labelinfo [batchlib::get_target_label_from_line $scanline] + if {[dict get $labelinfo labelfound] && [dict get $labelinfo label] eq $label} { + #add to target_labels_found record below + set scan_target_label_record [list label $label line $line_num_global] + set found_targetlabel_at_line 1 } - } - incr found_forward_label - if {!$scan_target_label_same_line_seen} { - set label_posn_in_line [string first : $scanline] - set labelposn [expr {$scanline_start + $label_posn_in_line}] - #we only really care about exactly landing on a boundary or else the next 512 byte boundaries above the labelposn - if {($labelposn % 512) == 0} { - set ubound [expr {($labelposn / 512) * 512}] - } else { - set ubound [expr {(($labelposn / 512)+1) * 512}] + } + + if {$found_targetlabel_at_line} { + set scan_target_label_same_line_seen false + if {[dict exists $target_labels_found $label]} { + set thislabel_records [dict get $target_labels_found $label] + foreach previous $thislabel_records { + if {[dict get $previous line] eq $line_num_global} { + set scan_target_label_same_line_seen true + } + } } - set lbound [expr {$ubound - $labelsize}] - if {($labelposn >= $lbound) && ($labelposn <= $ubound)} { - dict set scan_target_label_record error linestart_and_call_offset_bytes - lappend error_labels [list label $label linestart_and_call_offset_bytes $labelposn callsite [list call ${call}${labelplus} call_linenum $callingline_num] bad_target_line $line_num_global] - puts stdout "[a+ bold red]ERROR: file line: $line_num_global target-label $trimscanline at line-beginning and with byte offset from callsite: $labelposn offset in file: $line_start_global[a]" - puts stdout "[a+ bold red] This target-label appears to span the 512byte boundary at byte $ubound[a] [a+ yellow bold]from callsite.[a]" - puts [$objForwardScan chunk_boundary_display [dict get $scanlineinfo start] [dict get $scanlineinfo end] 512 -linebase $callposn_lineindex+1 -limit 1] ;#+1 on callposn_linindex to do editor-style linenums + incr found_forward_label + if {!$scan_target_label_same_line_seen} { + set label_posn_in_line [string first : $scanline] + set labelposn [expr {$scanline_start + $label_posn_in_line}] + #we only really care about exactly landing on a boundary or else the next 512 byte boundaries above the labelposn + if {($labelposn % 512) == 0} { + set ubound [expr {($labelposn / 512) * 512}] + } else { + set ubound [expr {(($labelposn / 512)+1) * 512}] + } + set lbound [expr {$ubound - $labelsize}] + if {($labelposn >= $lbound) && ($labelposn <= $ubound)} { + dict set scan_target_label_record error linestart_and_call_offset_bytes + lappend error_labels [list label $label linestart_and_call_offset_bytes $labelposn callsite [list call ${call}${labelplus} call_linenum $callingline_num] bad_target_line $line_num_global] + puts stdout "[a+ bold red]ERROR: file line: $line_num_global target-label $trimscanline at line-beginning and with byte offset from callsite: $labelposn offset in file: $line_start_global[a]" + puts stdout "[a+ bold red] This target-label appears to span the 512byte boundary at byte $ubound[a] [a+ yellow bold]from callsite.[a]" + puts [$objForwardScan chunk_boundary_display [dict get $scanlineinfo start] [dict get $scanlineinfo end] 512 -linebase $callposn_lineindex+1 -limit 1] ;#+1 on callposn_linindex to do editor-style linenums + } else { + dict set scan_target_label_record ok 1 + puts stdout "[a+ bold green]OK: file line: $line_num_global target-label $trimscanline at line-beginning and with byte offset from callsite: $labelposn offset in file: $line_start_global[a]" + } + dict lappend target_labels_found $label $scan_target_label_record } else { - dict set scan_target_label_record ok 1 - puts stdout "[a+ bold green]OK: file line: $line_num_global target-label $trimscanline at line-beginning and with byte offset from callsite: $labelposn offset in file: $line_start_global[a]" + puts stdout "OK - seen label $label on $line_num_global before" } - dict lappend target_labels_found $label $scan_target_label_record - } else { - puts stdout "OK - seen label $label on $line_num_global before" - } - } - incr total_offset $scanline_bytes - } - ################################################################################################################################## - - - #todo - #forward scan 2 - check any boundaries missed above because the label isn't at the begining of a line - #these are potentially hidden labels that could activate without requiring the label be at the beginning of a line - #check boundary spans relative to start of this objForwardScan chunk - - #adjust boundary-search by resetting counter each time crlf encountered - set forward_lines [$objForwardScan chunkrange_to_lineinfolist 0 end] - set boundary_positions [list 0] - set scanner_offset 0 - set scanner_position 0 - foreach forwardbline_info $forward_lines { - #review - do we need to check the payload in case we have configured the textinfo object to split the file only on lf - (not true by default) - set forwardbline_len [dict get $forwardbline_info linelen] - set forwardbline_spaninfo [fileline::range_spans_chunk_boundaries [expr {$scanner_position + $scanner_offset}] [expr {$scanner_position + $scanner_offset + $forwardbline_len}] 512] - set forwardbline_boundaries [dict get $forwardbline_spaninfo boundaries] - - foreach b $forwardbline_boundaries { - set relb [expr $b + $scanner_offset] - if {$relb <= [dict get $forwardbline_info end]} { - lappend boundary_positions $relb - } else { - #leave it for the next line - as we may need to adjust offset anyway - break } + incr total_offset $scanline_bytes } - if {[dict get $forwardbline_info le] eq "crlf"} { - set scanner_offset [expr {[dict get $forwardbline_info end] - [lindex $boundary_positions end]}] ;#reset on crlf - #puts "+++++ set scanner_offset $scanner_offset" - } - set scanner_position [dict get $forwardbline_info end] - } - set boundary_positions [lsearch -all -not -inline $boundary_positions 0] - if {[llength $boundary_positions]} { - puts stdout "[a+ blue bold]----> [llength $forward_lines] forward lines, boundaries (possibly with offsets) to check $boundary_positions[a]" - } else { - puts stdout "[a+ blue bold]----> [llength $forward_lines] forward lines, No boundaries to check (generally expected for files with crlf line endings and no extremely long lines)[a]" - } + ################################################################################################################################## - if {[llength $boundary_positions]} { - puts stdout "line $callingline_num scan from call label $label ending at position $callposn. Next Callsite-relative boundary [lindex $boundary_positions 0]" + #todo + #forward scan 2 - check any boundaries missed above because the label isn't at the begining of a line + #these are potentially hidden labels that could activate without requiring the label be at the beginning of a line + #check boundary spans relative to start of this objForwardScan chunk - for {set i 0} {$i < [llength $boundary_positions]} {incr i} { - set b [lindex $boundary_positions $i] - if {$i < [llength $boundary_positions]-1} { - set nextb [lindex $boundary_positions $i+1] - set top $nextb - } else { - set top end - } - - set forwardbline_infolist [$objForwardScan chunkrange_to_lineinfolist $b $top -show_truncated 1] - set forwardbline_info [lindex $forwardbline_infolist 0] - if {[dict get $forwardbline_info is_truncated]} { - set payload_from_boundary [dict get $forwardbline_info truncated] - } else { - set payload_from_boundary [dict get $forwardbline_info payload] - } + #adjust boundary-search by resetting counter each time crlf encountered + set forward_lines [$objForwardScan chunkrange_to_lineinfolist 0 end] + set boundary_positions [list 0] + set scanner_offset 0 + set scanner_position 0 + foreach forwardbline_info $forward_lines { + #review - do we need to check the payload in case we have configured the textinfo object to split the file only on lf - (not true by default) set forwardbline_len [dict get $forwardbline_info linelen] - set forwardbline_index [dict get $forwardbline_info lineindex] - set forwardbline_start [dict get $forwardbline_info start] - set forwardbline_start_global [expr {$forward_chunk_base + $forwardbline_start}] - set forwardbline_index_global [lindex [$objFile chunkrange_to_linerange $forwardbline_start_global $forwardbline_start_global] 0] - set forwardbline_num_global [expr {$forwardbline_index_global + 1}] - - set found_targetlabel_at_boundary 0 - if {[string first : $payload_from_boundary] >= 0} { - #puts stdout "Possible label at boundary $b - testing" - set labelinfo [batchlib::get_target_label_from_line $payload_from_boundary] - if {[dict get $labelinfo labelfound] && [dict get $labelinfo label] eq $label} { - incr found_forward_label - set found_targetlabel_at_boundary 1 - } elseif {[dict get $labelinfo labelfound]} { - set unsearched_label [dict get $labelinfo label] - puts stderr "[a+ cyan]Line $forwardbline_num_global: Found an item that cmd may interpret as a target label because of its location at a boundary $b - but it doesn't seem to be the one we are looking for. Looking for '$label' Found: '[dict get $labelinfo label]'[a]" - puts stderr "[a+ yellow]Warning - if the label '$unsearched_label' on line $forwardbline_num_global isn't meant to be a target - it may be safest to make sure batch script isn't using CALL or GOTO with target :$unsearched_label" - puts stdout "linedata:\n" - #puts stdout "'$payload_from_boundary'" - puts [$objForwardScan chunk_boundary_display [dict get $forwardbline_info start] [dict get $forwardbline_info end] 0 -boundaries $b -linebase $callposn_lineindex+1 -limit 1] - - #dubious value to check call_labels_found - as we didn't run through and find all call labels first! - if {$unsearched_label in [dict keys $call_labels_found]} { - set boundary_target_label_record [list label $unsearched_label line $forwardbline_num_global error found_via_boundary_check_on_a_different_call_label] - dict lappend warning_target_labels_found $unsearched_label $boundary_target_label_record - } else { - set possible_target_label_record [list label $unsearched_label line $forwardbline_num_global] - dict lappend possible_target_labels_found $unsearched_label $possible_target_label_record - } + set forwardbline_spaninfo [fileline::range_spans_chunk_boundaries [expr {$scanner_position + $scanner_offset}] [expr {$scanner_position + $scanner_offset + $forwardbline_len}] 512] + set forwardbline_boundaries [dict get $forwardbline_spaninfo boundaries] + + foreach b $forwardbline_boundaries { + set relb [expr $b + $scanner_offset] + if {$relb <= [dict get $forwardbline_info end]} { + lappend boundary_positions $relb } else { - set note "" - if {[dict exists $labelinfo note]} { - set note [dict get $labelinfo note] - } - if {$note ne "prefix_fail"} { - puts stdout "no label detected at boundary $b - probably ok. Note from target-label scanner: $note" - } - } - if {$found_targetlabel_at_boundary} { - set target_label_record [list label $label line $forwardbline_num_global error call_offset_bytes] - dict lappend target_labels_found $label $target_label_record - set note "possibly unreliable or dangerous target-label at line $forwardbline_num_global may execute line [expr {$forwardbline_num_global +1}].\n" - append note "Target label not at line start but was found by scanning 512byte chunks from callsite with count resets at any crlf encountered\n" - append note "Adjust spacing between line $callingline_num and $forwardbline_num_global to avoid the 512 boundary - and re-test for other boundary problems" - lappend error_labels [list label $label call_offset_bytes $b callsite [list call ${call}${labelplus} call_linenum $callingline_num] note $note] - puts stdout "[a+ bold red]ERROR: line $forwardbline_num_global target-label [dict get $labelinfo rawlabel] found at boundary and with byte offset from callsite: $b [a]" - puts stdout "[a+ bold red] This target-label appears to fall at or just after the 512byte boundary at byte $b[a] [a+ yellow bold]from callsite.[a]" - puts stdout "[a+ bold yellow]Code may execute at line [expr {$forwardbline_num_global + 1}] (or at next 512Byte boundary in some circumstances)[a]" - puts stdout "[a+ bold yellow]Recommend adjusting spacing between line $callingline_num and $forwardbline_num_global[a]" - puts stdout [$objForwardScan chunk_boundary_display [dict get $forwardbline_info start] [dict get $forwardbline_info end] 0 -boundaries $b -linebase $callposn_lineindex+1 -limit 1] - } - #if found any label - peek at next boundary - if {[dict get $labelinfo labelfound] && $i+1 < [llength $boundary_positions]} { - set next_lineinfolist [$objForwardScan chunkrange_to_lineinfolist $nextb end -show_truncated 1] - set next_lineinfo [lindex $next_lineinfolist 0] - puts "peek next boundary data - line [expr {$forwardbline_num_global + 1}]:" - #if {[dict get $next_lineinfo is_truncated]} { - # puts [dict get $next_lineinfo truncated] - #} else { - # puts [dict get $next_lineinfo payload] - #} - puts [$objForwardScan chunk_boundary_display [dict get $next_lineinfo start] [dict get $next_lineinfo end] 0 -boundaries $nextb -linebase $callposn_lineindex+1 -limit 1] + #leave it for the next line - as we may need to adjust offset anyway + break } } + if {[dict get $forwardbline_info le] eq "crlf"} { + set scanner_offset [expr {[dict get $forwardbline_info end] - [lindex $boundary_positions end]}] ;#reset on crlf + #puts "+++++ set scanner_offset $scanner_offset" + } + set scanner_position [dict get $forwardbline_info end] } - } - $objForwardScan destroy - - #scan behind for labels at boundaries - using offset from start of file - #we do a backward scan even if a forward label has been found, so that we can warn of duplicate labels. - - set prior_start 0 - set prior_end $callingline_index ;#only scan from file start to call-site - - set pline_begin 0 - set found_backward_label 0 - set p_linenum 0 - for {set pidx $prior_start} {$pidx <= $prior_end} {incr pidx} { - set plineinfo [$objFile lineinfo $pidx] - set pline [dict get $plineinfo payload] - incr p_linenum - set pline_bytes [dict get $plineinfo linelen] ;#includes lf or crlf ending bytes - set pline_start $pline_begin - if {$pline_start != [dict get $plineinfo start]} { - error "checkfile error: line $p_linenum - calculated start $pline_start not equal to stored start [dict get $plineinfo start]" - } - set pline_end [expr {$pline_begin + $pline_bytes -1}] - if {$pline_end != [dict get $plineinfo end]} { - error "checkfile error: line $p_linenum - calculated end $pline_end not equal to stored end [dict get $plineinfo end]" + set boundary_positions [lsearch -all -not -inline $boundary_positions 0] + if {[llength $boundary_positions]} { + puts stdout "[a+ blue bold]----> [llength $forward_lines] forward lines, boundaries (possibly with offsets) to check $boundary_positions[a]" + } else { + puts stdout "[a+ blue bold]----> [llength $forward_lines] forward lines, No boundaries to check (generally expected for files with crlf line endings and no extremely long lines)[a]" } - set trimpline [string trim $pline] - #todo - process leading part of line before : - #e.g the following are valid (leading # is not part of the examples) - # ====== : label - # also - #%=== == : label - # also - #%= ,,,, ;;; = : label - - #these token delimiters (; , = 0x0B ox0C 0xFF ) - #can also occur after the colon e.g - #: ;label - - #the following is a valid target for @GOTO :#something - #: ;#something - - #It is possible for closing bracket ) to also be invisible if there is no open ( active - #This only seems to work for a single ) at beggining of the line multiple ) even separated by spaces or ; etc seem to stop the target being found. - #The lone unbalanced ) can act like a comment in other contexts - and can appear multiple times, but only if first ) on the line is followed by a delimiter - #Essentially all characters following the first ) are ignored - but if the first is something like )) then cmd tries to interpret that as a command and fails - # e.g - #) ignored - #);)))) ignored - #)) causes error as cmd tries to run "))" as a command. - #This is a reason why *target* labels shouldn't appear in bracketed blocks - as code jumps to a point where ( ) will be unbalanced - - #target labels are literal with regards to % ie not subject to % expansion - but ^ must still be processed - if {[string first : $pline] >= 0} { - #space (and some other chars) allowed between colon and label at target - (but not at callsite) - set labelinfo [batchlib::get_target_label_from_line $pline] - if {[dict get $labelinfo labelfound] && [dict get $labelinfo label] eq $label} { - set target_label_record [list label $label line $p_linenum] - puts stdout "$labelinfo" - incr found_backward_label - set prior_label_posn_in_line [string first : $pline] - set prior_label_posn [expr {$pline_begin + $prior_label_posn_in_line}] - if {($prior_label_posn % 512) == 0} { - set p_ubound [expr {($prior_label_posn / 512) * 512}] + if {[llength $boundary_positions]} { + puts stdout "line $callingline_num scan from call label $label ending at position $callposn. Next Callsite-relative boundary [lindex $boundary_positions 0]" + + for {set i 0} {$i < [llength $boundary_positions]} {incr i} { + set b [lindex $boundary_positions $i] + if {$i < [llength $boundary_positions]-1} { + set nextb [lindex $boundary_positions $i+1] + set top $nextb } else { - set p_ubound [expr {(($prior_label_posn /512) +1) * 512}] + set top end } - set p_lbound [expr {$p_ubound - $labelsize}] - if {($prior_label_posn >= $p_lbound) && ($prior_label_posn <= $p_ubound)} { - dict set target_label_record error linestart_and_overlap - lappend error_labels [list label $label linestart_and_overlap $prior_label_posn callsite [list call ${call}${labelplus} call_linenum $callingline_num]] - puts stdout "[a+ bold red]ERROR: target-label '$trimpline' at line $p_linenum and offset from file start: $prior_label_posn line start: $pline_begin[a]" - puts stdout "[a+ bold red] This target-label appears to span the 512byte boundary at byte $p_ubound[a] [a+ yellow bold]from file start[a]" - puts [$objFile chunk_boundary_display [dict get $plineinfo start] [dict get $plineinfo end] 512 -linebase 1 -limit 1] + + set forwardbline_infolist [$objForwardScan chunkrange_to_lineinfolist $b $top -show_truncated 1] + set forwardbline_info [lindex $forwardbline_infolist 0] + if {[dict get $forwardbline_info is_truncated]} { + set payload_from_boundary [dict get $forwardbline_info truncated] } else { - dict set target_label_record ok 1 - puts stdout "[a+ bold green]OK: file line: $p_linenum target-label '$trimpline' before call from line $callingline_num. Target is at offset from file start: $prior_label_posn line start: $pline_begin[a]" + set payload_from_boundary [dict get $forwardbline_info payload] + } + set forwardbline_len [dict get $forwardbline_info linelen] + set forwardbline_index [dict get $forwardbline_info lineindex] + set forwardbline_start [dict get $forwardbline_info start] + set forwardbline_start_global [expr {$forward_chunk_base + $forwardbline_start}] + set forwardbline_index_global [lindex [$objFile chunkrange_to_linerange $forwardbline_start_global $forwardbline_start_global] 0] + set forwardbline_num_global [expr {$forwardbline_index_global + 1}] + + set found_targetlabel_at_boundary 0 + if {[string first : $payload_from_boundary] >= 0} { + #puts stdout "Possible label at boundary $b - testing" + set labelinfo [batchlib::get_target_label_from_line $payload_from_boundary] + if {[dict get $labelinfo labelfound] && [dict get $labelinfo label] eq $label} { + incr found_forward_label + set found_targetlabel_at_boundary 1 + } elseif {[dict get $labelinfo labelfound]} { + set unsearched_label [dict get $labelinfo label] + puts stderr "[a+ cyan]Line $forwardbline_num_global: Found an item that cmd may interpret as a target label because of its location at a boundary $b - but it doesn't seem to be the one we are looking for. Looking for '$label' Found: '[dict get $labelinfo label]'[a]" + puts stderr "[a+ yellow]Warning - if the label '$unsearched_label' on line $forwardbline_num_global isn't meant to be a target - it may be safest to make sure batch script isn't using CALL or GOTO with target :$unsearched_label" + puts stdout "linedata:\n" + #puts stdout "'$payload_from_boundary'" + puts [$objForwardScan chunk_boundary_display [dict get $forwardbline_info start] [dict get $forwardbline_info end] 0 -boundaries $b -linebase $callposn_lineindex+1 -limit 1] + + #dubious value to check call_labels_found - as we didn't run through and find all call labels first! + if {$unsearched_label in [dict keys $call_labels_found]} { + set boundary_target_label_record [list label $unsearched_label line $forwardbline_num_global error found_via_boundary_check_on_a_different_call_label] + dict lappend warning_target_labels_found $unsearched_label $boundary_target_label_record + } else { + set possible_target_label_record [list label $unsearched_label line $forwardbline_num_global] + dict lappend possible_target_labels_found $unsearched_label $possible_target_label_record + } + } else { + set note "" + if {[dict exists $labelinfo note]} { + set note [dict get $labelinfo note] + } + if {$note ne "prefix_fail"} { + puts stdout "no label detected at boundary $b - probably ok. Note from target-label scanner: $note" + } + } + if {$found_targetlabel_at_boundary} { + set target_label_record [list label $label line $forwardbline_num_global error call_offset_bytes] + dict lappend target_labels_found $label $target_label_record + set note "possibly unreliable or dangerous target-label at line $forwardbline_num_global may execute line [expr {$forwardbline_num_global +1}].\n" + append note "Target label not at line start but was found by scanning 512byte chunks from callsite with count resets at any crlf encountered\n" + append note "Adjust spacing between line $callingline_num and $forwardbline_num_global to avoid the 512 boundary - and re-test for other boundary problems" + lappend error_labels [list label $label call_offset_bytes $b callsite [list call ${call}${labelplus} call_linenum $callingline_num] note $note] + puts stdout "[a+ bold red]ERROR: line $forwardbline_num_global target-label [dict get $labelinfo rawlabel] found at boundary and with byte offset from callsite: $b [a]" + puts stdout "[a+ bold red] This target-label appears to fall at or just after the 512byte boundary at byte $b[a] [a+ yellow bold]from callsite.[a]" + puts stdout "[a+ bold yellow]Code may execute at line [expr {$forwardbline_num_global + 1}] (or at next 512Byte boundary in some circumstances)[a]" + puts stdout "[a+ bold yellow]Recommend adjusting spacing between line $callingline_num and $forwardbline_num_global[a]" + puts stdout [$objForwardScan chunk_boundary_display [dict get $forwardbline_info start] [dict get $forwardbline_info end] 0 -boundaries $b -linebase $callposn_lineindex+1 -limit 1] + } + #if found any label - peek at next boundary + if {[dict get $labelinfo labelfound] && $i+1 < [llength $boundary_positions]} { + set next_lineinfolist [$objForwardScan chunkrange_to_lineinfolist $nextb end -show_truncated 1] + set next_lineinfo [lindex $next_lineinfolist 0] + puts "peek next boundary data - line [expr {$forwardbline_num_global + 1}]:" + #if {[dict get $next_lineinfo is_truncated]} { + # puts [dict get $next_lineinfo truncated] + #} else { + # puts [dict get $next_lineinfo payload] + #} + puts [$objForwardScan chunk_boundary_display [dict get $next_lineinfo start] [dict get $next_lineinfo end] 0 -boundaries $nextb -linebase $callposn_lineindex+1 -limit 1] + } } - dict lappend call_labels_found $label $target_label_record } - #else - label we weren't searching for - even if at file boundary it should be picked up when actually searched? review } - set spaninfo [fileline::range_spans_chunk_boundaries $pline_start $pline_end 512] - if {[dict get $spaninfo is_span]} { - #puts stdout "boundary spanning line $p_linenum byte range $pline_start -> $pline_end [a+ bold purple]$spaninfo[a]" - #check boundaries within the line - set boundaries [dict get $spaninfo boundaries] - foreach b $boundaries { - if {$b == 0} { - #skip - beginning of line already handled (review?) - continue - } - #overlap test is just a warning - we have a label-like thing overlapping the boundary - #todo - take account of fact that target label can be ": labelname" - so using just labelsize won't detect all overlaps - #The label could even be at the end of a long line that appears at first to be a comment e.g something like - # : whatever : sneakylabel - # or - #@REM ============================================================================================================================================================ : sneakylabel - - #The fact that it overlaps - means it's probably not being found with lf line-endings - and only the label :whatever should be found with crlf endings - #- but we won't always catch that something's fishy - #review - set overlaptail [string range $pline [expr {$b - $labelsize}] [expr {($b + $labelsize) -1}]] ;#subtracting labelsize gives earliest possible overlap - if {[string match "*:$label *" $overlaptail] } { - lappend warning_labels [list label $label warning label_spanning callsite [list call ${call}${labelplus} call_linenum $callingline_num]] - puts stdout "[a+ bold yellow] WARNING: possible label $label spans boundary $b from start of file" - } + $objForwardScan destroy + + #scan behind for labels at boundaries - using offset from start of file + #we do a backward scan even if a forward label has been found, so that we can warn of duplicate labels. + + set prior_start 0 + set prior_end $callingline_index ;#only scan from file start to call-site + + set pline_begin 0 + set found_backward_label 0 + set p_linenum 0 + for {set pidx $prior_start} {$pidx <= $prior_end} {incr pidx} { + set plineinfo [$objFile lineinfo $pidx] + set pline [dict get $plineinfo payload] + incr p_linenum + set pline_bytes [dict get $plineinfo linelen] ;#includes lf or crlf ending bytes + set pline_start $pline_begin + if {$pline_start != [dict get $plineinfo start]} { + error "checkfile error: line $p_linenum - calculated start $pline_start not equal to stored start [dict get $plineinfo start]" + } + set pline_end [expr {$pline_begin + $pline_bytes -1}] + if {$pline_end != [dict get $plineinfo end]} { + error "checkfile error: line $p_linenum - calculated end $pline_end not equal to stored end [dict get $plineinfo end]" + } - set pline_tail [string range $pline $b end] - if {[string first : $pline_tail] >= 0} { - set labelinfo [batchlib::get_target_label_from_line $pline_tail] - set labelfound 0 - if {[dict get $labelinfo labelfound] && [dict get $labelinfo label] eq $label} { - set labelfound 1 - } elseif {[dict get $labelinfo labelfound]} { - puts stdout "Note: detected target label [dict get $labelinfo label] at file offset $b at boundary with no preceeding newline - but it's not the one we're currently scanning for" + set trimpline [string trim $pline] + #todo - process leading part of line before : + #e.g the following are valid (leading # is not part of the examples) + # ====== : label + # also + #%=== == : label + # also + #%= ,,,, ;;; = : label + + #these token delimiters (; , = 0x0B ox0C 0xFF ) + #can also occur after the colon e.g + #: ;label + + #the following is a valid target for @GOTO :#something + #: ;#something + + #It is possible for closing bracket ) to also be invisible if there is no open ( active + #This only seems to work for a single ) at beggining of the line multiple ) even separated by spaces or ; etc seem to stop the target being found. + #The lone unbalanced ) can act like a comment in other contexts - and can appear multiple times, but only if first ) on the line is followed by a delimiter + #Essentially all characters following the first ) are ignored - but if the first is something like )) then cmd tries to interpret that as a command and fails + # e.g + #) ignored + #);)))) ignored + #)) causes error as cmd tries to run "))" as a command. + #This is a reason why *target* labels shouldn't appear in bracketed blocks - as code jumps to a point where ( ) will be unbalanced + + #target labels are literal with regards to % ie not subject to % expansion - but ^ must still be processed + if {[string first : $pline] >= 0} { + #space (and some other chars) allowed between colon and label at target - (but not at callsite) + set labelinfo [batchlib::get_target_label_from_line $pline] + if {[dict get $labelinfo labelfound] && [dict get $labelinfo label] eq $label} { + set target_label_record [list label $label line $p_linenum] + puts stdout "$labelinfo" + incr found_backward_label + set prior_label_posn_in_line [string first : $pline] + set prior_label_posn [expr {$pline_begin + $prior_label_posn_in_line}] + if {($prior_label_posn % 512) == 0} { + set p_ubound [expr {($prior_label_posn / 512) * 512}] + } else { + set p_ubound [expr {(($prior_label_posn /512) +1) * 512}] + } + set p_lbound [expr {$p_ubound - $labelsize}] + if {($prior_label_posn >= $p_lbound) && ($prior_label_posn <= $p_ubound)} { + dict set target_label_record error linestart_and_overlap + lappend error_labels [list label $label linestart_and_overlap $prior_label_posn callsite [list call ${call}${labelplus} call_linenum $callingline_num]] + puts stdout "[a+ bold red]ERROR: target-label '$trimpline' at line $p_linenum and offset from file start: $prior_label_posn line start: $pline_begin[a]" + puts stdout "[a+ bold red] This target-label appears to span the 512byte boundary at byte $p_ubound[a] [a+ yellow bold]from file start[a]" + puts [$objFile chunk_boundary_display [dict get $plineinfo start] [dict get $plineinfo end] 512 -linebase 1 -limit 1] + } else { + dict set target_label_record ok 1 + puts stdout "[a+ bold green]OK: file line: $p_linenum target-label '$trimpline' before call from line $callingline_num. Target is at offset from file start: $prior_label_posn line start: $pline_begin[a]" + } + dict lappend call_labels_found $label $target_label_record + } + #else - label we weren't searching for - even if at file boundary it should be picked up when actually searched? review + } + set spaninfo [fileline::range_spans_chunk_boundaries $pline_start $pline_end 512] + if {[dict get $spaninfo is_span]} { + #puts stdout "boundary spanning line $p_linenum byte range $pline_start -> $pline_end [a+ bold purple]$spaninfo[a]" + #check boundaries within the line + set boundaries [dict get $spaninfo boundaries] + foreach b $boundaries { + if {$b == 0} { + #skip - beginning of line already handled (review?) + continue + } + #overlap test is just a warning - we have a label-like thing overlapping the boundary + #todo - take account of fact that target label can be ": labelname" - so using just labelsize won't detect all overlaps + #The label could even be at the end of a long line that appears at first to be a comment e.g something like + # : whatever : sneakylabel + # or + #@REM ============================================================================================================================================================ : sneakylabel + + #The fact that it overlaps - means it's probably not being found with lf line-endings - and only the label :whatever should be found with crlf endings + #- but we won't always catch that something's fishy + #review + set overlaptail [string range $pline [expr {$b - $labelsize}] [expr {($b + $labelsize) -1}]] ;#subtracting labelsize gives earliest possible overlap + if {[string match "*:$label *" $overlaptail] } { + lappend warning_labels [list label $label warning label_spanning callsite [list call ${call}${labelplus} call_linenum $callingline_num]] + puts stdout "[a+ bold yellow] WARNING: possible label $label spans boundary $b from start of file" } - if {$labelfound} { - set label_found_name [dict get $labelinfo label] - incr found_backward_label - - lappend error_labels [list label $label_found_name file_offset_bytes $b note "label at boundary but no preceeding newline - cmd may interpret as label and execute following line or code at next boundary" callsite [list call ${call}${labelplus} call_linenum $callingline_num]] - puts stdout "[a+ bold red]ERROR: *possible* label '$label_found_name' at line $p_linenum and offset from file start: $b line start: $pline_begin[a]" - puts stdout "[a+ bold red] This label with no preceeding newline appears to span the 512byte boundary at byte $b[a] [a+ yellow bold]from file start[a]" - puts stdout "[a+ bold red] cmd.exe may find this label - but it probably shouldn't be relied upon[a]" - puts stdout "[a+ bold yellow] label starting at $b : $pline_tail[a]" + set pline_tail [string range $pline $b end] - set target_label_record [list label $label_found_name line $p_linenum] - if {$label_found_name in [dict keys $call_labels_found]} { - dict set target_label_record error "called_label_at_file_offset_boundary" - dict lappend target_labels_found $label_found_name $target_label_record - } else { - #review - we need to get better at finding all calls! - dict set target_label_record error "uncalled_label_at_file_offset_boundary" - dict lappend possible_target_labels_found $label_found_name $target_label_record + if {[string first : $pline_tail] >= 0} { + set labelinfo [batchlib::get_target_label_from_line $pline_tail] + set labelfound 0 + if {[dict get $labelinfo labelfound] && [dict get $labelinfo label] eq $label} { + set labelfound 1 + } elseif {[dict get $labelinfo labelfound]} { + puts stdout "Note: detected target label [dict get $labelinfo label] at file offset $b at boundary with no preceeding newline - but it's not the one we're currently scanning for" } + if {$labelfound} { + set label_found_name [dict get $labelinfo label] + incr found_backward_label + lappend error_labels [list label $label_found_name file_offset_bytes $b note "label at boundary but no preceeding newline - cmd may interpret as label and execute following line or code at next boundary" callsite [list call ${call}${labelplus} call_linenum $callingline_num]] - set tail_start $b - set tail_end [expr {$b + [string length $pline_tail]}] - set tail_spaninfo [fileline::range_spans_chunk_boundaries $tail_start $tail_end 512] - if {[dict get $tail_spaninfo is_span]} { - set tail_boundaries [dict get $tail_spaninfo boundaries] - set extra_tail_boundaries [lsearch -all -inline -not $tail_boundaries $b] - if {[llength $extra_tail_boundaries]} { - puts "Line $p_linenum also spans additional boundaries: $extra_tail_boundaries" - set next_boundary [lindex $extra_tail_boundaries 0] - #boundary doesn't reset if no crlf - we are still within the line - so can calc from line beginning - set next_boundary_data [string range $pline [expr {$pline_begin + $next_boundary}] end] - puts "Line $p_linenum data at next boundary: [a+ yellow bold]$next_boundary_data[a]" - puts [$objFile chunk_boundary_display [dict get $plineinfo start] [dict get $plineinfo end] 0 -boundaries $next_boundary -linebase 1 -limit 1] - - puts "[a+ yellow bold]NOTE: cmd may attempt to treat this data as code[a]" + puts stdout "[a+ bold red]ERROR: *possible* label '$label_found_name' at line $p_linenum and offset from file start: $b line start: $pline_begin[a]" + puts stdout "[a+ bold red] This label with no preceeding newline appears to span the 512byte boundary at byte $b[a] [a+ yellow bold]from file start[a]" + puts stdout "[a+ bold red] cmd.exe may find this label - but it probably shouldn't be relied upon[a]" + puts stdout "[a+ bold yellow] label starting at $b : $pline_tail[a]" + + set target_label_record [list label $label_found_name line $p_linenum] + if {$label_found_name in [dict keys $call_labels_found]} { + dict set target_label_record error "called_label_at_file_offset_boundary" + dict lappend target_labels_found $label_found_name $target_label_record + } else { + #review - we need to get better at finding all calls! + dict set target_label_record error "uncalled_label_at_file_offset_boundary" + dict lappend possible_target_labels_found $label_found_name $target_label_record } - } else { - if {$pidx+1 < [$objFile linecount]} { - set nextlineinfo [$objFile lineinfo $pidx+1] - set nextpayload [dict get $nextlineinfo payload] - puts "Line $p_linenum + 1 has data: [a+ yellow bold]$nextpayload[a]" - puts "[a+ yellow bold]NOTE: cmd may attempt to treat this data as code[a]" + + + set tail_start $b + set tail_end [expr {$b + [string length $pline_tail]}] + set tail_spaninfo [fileline::range_spans_chunk_boundaries $tail_start $tail_end 512] + if {[dict get $tail_spaninfo is_span]} { + set tail_boundaries [dict get $tail_spaninfo boundaries] + set extra_tail_boundaries [lsearch -all -inline -not $tail_boundaries $b] + if {[llength $extra_tail_boundaries]} { + puts "Line $p_linenum also spans additional boundaries: $extra_tail_boundaries" + set next_boundary [lindex $extra_tail_boundaries 0] + #boundary doesn't reset if no crlf - we are still within the line - so can calc from line beginning + set next_boundary_data [string range $pline [expr {$pline_begin + $next_boundary}] end] + puts "Line $p_linenum data at next boundary: [a+ yellow bold]$next_boundary_data[a]" + puts [$objFile chunk_boundary_display [dict get $plineinfo start] [dict get $plineinfo end] 0 -boundaries $next_boundary -linebase 1 -limit 1] + + puts "[a+ yellow bold]NOTE: cmd may attempt to treat this data as code[a]" + } } else { - #EOF reached + if {$pidx+1 < [$objFile linecount]} { + set nextlineinfo [$objFile lineinfo $pidx+1] + set nextpayload [dict get $nextlineinfo payload] + puts "Line $p_linenum + 1 has data: [a+ yellow bold]$nextpayload[a]" + puts "[a+ yellow bold]NOTE: cmd may attempt to treat this data as code[a]" + } else { + #EOF reached + } } } } - } - } + } - } - incr pline_begin $pline_bytes - } + } + incr pline_begin $pline_bytes + } - if {$found_forward_label == 0} { - if {[string toupper $label] eq "EOF"} { - #EOF/eof label is special - it doesn't have to exist - but if it does - it probably shouldn't be spanning a boundary - puts stdout "[a+ bold green]OK: label :$label doesn't exist - but it's usually not meant to. callsite: [list call ${call}${labelplus} call_linenum $callingline_num] [a]" - } else { - if {$found_backward_label == 0} { - lappend warning_labels [list label $label warning label_not_found callsite [list call ${call}${labelplus} call_linenum $callingline_num]] - puts stdout "[a+ bold yellow]WARNING: label :$label not found (in forward or backward scan)[a]" + if {$found_forward_label == 0} { + if {[string toupper $label] eq "EOF"} { + #EOF/eof label is special - it doesn't have to exist - but if it does - it probably shouldn't be spanning a boundary + puts stdout "[a+ bold green]OK: label :$label doesn't exist - but it's usually not meant to. callsite: [list call ${call}${labelplus} call_linenum $callingline_num] [a]" + } else { + if {$found_backward_label == 0} { + lappend warning_labels [list label $label warning label_not_found callsite [list call ${call}${labelplus} call_linenum $callingline_num]] + puts stdout "[a+ bold yellow]WARNING: label :$label not found (in forward or backward scan)[a]" + } } } - } - if {($found_forward_label + $found_backward_label) > 1} { - #puts "target_labels_found: $target_labels_found" - dict for {targetkey targethits} $target_labels_found { - set targetlines [list] - foreach record $targethits { - lappend targetlines [dict get $record line] - } - set remaining [list] - set previous "" ; - foreach lnum [lsort -integer -increasing $targetlines] { - if {$previous eq ""} { - lappend remaining $lnum - } else { - if {$lnum-1 == $previous} { - puts stdout "[a+ green bold]OK[a] - target-label $targetkey appears on immediately adjacent lines $previous and $lnum - assuming it is a boundary-avoidance tactic rather than an inadvertent duplicate" - set remaining [lrange $remaining 0 end-1];#retain latest - we will allow a run of targets on subsequent lines + if {($found_forward_label + $found_backward_label) > 1} { + #puts "target_labels_found: $target_labels_found" + dict for {targetkey targethits} $target_labels_found { + set targetlines [list] + foreach record $targethits { + lappend targetlines [dict get $record line] + } + set remaining [list] + set previous "" ; + foreach lnum [lsort -integer -increasing $targetlines] { + if {$previous eq ""} { + lappend remaining $lnum + } else { + if {$lnum-1 == $previous} { + puts stdout "[a+ green bold]OK[a] - target-label $targetkey appears on immediately adjacent lines $previous and $lnum - assuming it is a boundary-avoidance tactic rather than an inadvertent duplicate" + set remaining [lrange $remaining 0 end-1];#retain latest - we will allow a run of targets on subsequent lines + } + lappend remaining $lnum } - lappend remaining $lnum + set previous [lindex $remaining end] + } + if {[llength $remaining] > 1} { + lappend warning_labels [list label $label warning multiple_target_labels_found callsite [list call ${call}${labelplus} call_linenum $callingline_num]] + puts stdout "[a+ bold yellow]WARNING: label :$label seems to appear multiple times[a]" } - set previous [lindex $remaining end] - } - if {[llength $remaining] > 1} { - lappend warning_labels [list label $label warning multiple_target_labels_found callsite [list call ${call}${labelplus} call_linenum $callingline_num]] - puts stdout "[a+ bold yellow]WARNING: label :$label seems to appear multiple times[a]" } } } } - } + } ;# end switch incr file_offset $callingline_len ;#including per-line stored line-ending } if {[dict size $possible_target_labels_found] > 0} { @@ -1256,44 +1261,48 @@ namespace eval punk::mix::commandset::scriptwrap { set tp [dict get $taginfo type] ;# type singular - related to just one line #set raw [dict get $taginfo raw] #equivalent to $ln if {[dict exists $tags $nm]} { - #already seen tag name - #tags dict has types key *plural* - need to track whether we have type open and type close (or openclose for self-closing tags) - if {[dict get $tags $nm types] ne "open"} { + #already seen tag name + #tags dict has types key *plural* - need to track whether we have type open and type close (or openclose for self-closing tags) + if {[dict get $tags $nm types] ne "open"} { + lappend errors "line: $linenum tag $nm encountered type $tp after existing type [dict get $tags $nm types]" + dict incr errortags $nm + } else { + #we already have open - expect only close + if {$tp ne "close"} { lappend errors "line: $linenum tag $nm encountered type $tp after existing type [dict get $tags $nm types]" - dict incr errortags $nm + dict incr errortags $nm } else { - #we already have open - expect only close - if {$tp ne "close"} { - lappend errors "line: $linenum tag $nm encountered type $tp after existing type [dict get $tags $nm types]" - dict incr errortags $nm - } else { - #close after open - dict set tags $nm types [list open close] - dict set tags $nm end $linenum - set taglines [dict get $tags $nm taglines] - if {[llength $taglines] != 1} { - error "Unexpected result when closing tag $nm. Existing taglines length not 1." - } - dict set tags $nm taglines [concat $taglines $ln] + #close after open + dict set tags $nm types [list open close] + dict set tags $nm end $linenum + set taglines [dict get $tags $nm taglines] + if {[llength $taglines] != 1} { + error "Unexpected result when closing tag $nm. Existing taglines length not 1." } + dict set tags $nm taglines [concat $taglines $ln] } + } } else { - #first seen of tag name - if {$tp eq "close"} { - lappend errors "line: $linenum tag $nm encountered type $p close first" - dict incr errortags $nm - } else { - dict set tags $nm types $tp + #first seen of tag name + switch -- $tp { + close { + lappend errors "line: $linenum tag $nm encountered type $p close first" + dict incr errortags $nm + } + open { + dict set tags $nm types open dict set tags $nm indent [dict get $taginfo indent] - if {$tp eq "open"} { - dict set tags $nm start $linenum - dict set tags $nm taglines [list $ln] ;#first entry - another will be added on encountering matching closing tag - } elseif {$tp eq "openclose"} { - dict set tags $nm start $linenum - dict set tags $nm end $linenum - dict set tags $nm taglines [list $ln] ;#single entry is final result for self-closing tag - } + dict set tags $nm start $linenum + dict set tags $nm taglines [list $ln] ;#first entry - another will be added on encountering matching closing tag } + openclose { + dict set tags $nm types openclose + dict set tags $nm indent [dict get $taginfo indent] + dict set tags $nm start $linenum + dict set tags $nm end $linenum + dict set tags $nm taglines [list $ln] ;#single entry is final result for self-closing tag + } + } } } } else { @@ -1381,61 +1390,97 @@ namespace eval punk::mix::commandset::scriptwrap { set inputconsumed 0 foreach c $inputchars { if {!$invar} { - if {$c eq "%"} { - set caretseq 0 - set lookahead [lrange $inputchars $inputconsumed+1 end] - if {"%" in $lookahead} { - set invar 1 - incr percentrun - } else { - incr percentrun - } - } elseif {$c eq "^"} { - if {$caretseq} { + switch -- $c { + "%" { set caretseq 0 - append labelout "^" ;#for every pair encountered in direct sequence - second gets included in label - } else { - set caretseq 1 + set lookahead [lrange $inputchars $inputconsumed+1 end] + if {"%" in $lookahead} { + set invar 1 + incr percentrun + } else { + incr percentrun + } } - } else { - set caretseq 0 - if {$percentrun && ($c in [list 0 1 2 3 4 5 6 7 8 9])} { - #subst %i with value - here we have no way of getting that - so use blank - user will get warning that target not found - set percentrun 0 - } else { - append labelout [string repeat % [expr {$percentrun / 2}]] - set percentrun 0 - if {$c in $labelterminals} { - break + "^" { + if {$caretseq} { + set caretseq 0 + append labelout "^" ;#for every pair encountered in direct sequence - second gets included in label + } else { + set caretseq 1 + } + } + default { + set caretseq 0 + if {$percentrun && ($c in [list 0 1 2 3 4 5 6 7 8 9])} { + #subst %i with value - here we have no way of getting that - so use blank - user will get warning that target not found + set percentrun 0 + } else { + append labelout [string repeat % [expr {$percentrun / 2}]] + set percentrun 0 + if {$c in $labelterminals} { + break + } + append labelout $c } - append labelout $c } } } else { #in var - don't do anything with carets(?) - if {$c eq "%" && $percentrun == 1} { - #double percent - rather than just an empty var - emit one % - append labelout % - set invar 0 - set percentrun 0 - } elseif {$c eq "%"} { - #presume percentrun is 0 - set invar 0 - lappend varsfound $varname; set varname "" - } elseif {$c in $varterminals} { - set invar 0 - lappend varsfound $varname; set varname "" - } else { - if {$percentrun && ($c in [list 0 1 2 3 4 5 6 7 8 9])} { - #review - seems to terminate var - and substitute? - #this branch untested - case where we have %i and further % - what if it was %1var% ? does %1 get substituted ? or %1var% - test + switch -- $c { + % { + if {$percentrun == 1} { + #double percent - rather than just an empty var - emit one % + append labelout % + set invar 0 + set percentrun 0 + } else { + #presume percentrun is 0 + set invar 0 + lappend varsfound $varname; set varname "" + } + } + : { + #$varterminals set invar 0 - append varname $c - } else { - append varname $c + lappend varsfound $varname; set varname "" + } + default { + if {$percentrun && ($c in [list 0 1 2 3 4 5 6 7 8 9])} { + #review - seems to terminate var - and substitute? + #this branch untested - case where we have %i and further % - what if it was %1var% ? does %1 get substituted ? or %1var% - test + set invar 0 + append varname $c + } else { + append varname $c + } + set percentrun 0 } - set percentrun 0 } + + + #if {$c eq "%" && $percentrun == 1} { + # #double percent - rather than just an empty var - emit one % + # append labelout % + # set invar 0 + # set percentrun 0 + #} elseif {$c eq "%"} { + # #presume percentrun is 0 + # set invar 0 + # lappend varsfound $varname; set varname "" + #} elseif {$c in $varterminals} { + # set invar 0 + # lappend varsfound $varname; set varname "" + #} else { + # if {$percentrun && ($c in [list 0 1 2 3 4 5 6 7 8 9])} { + # #review - seems to terminate var - and substitute? + # #this branch untested - case where we have %i and further % - what if it was %1var% ? does %1 get substituted ? or %1var% - test + # set invar 0 + # append varname $c + # } else { + # append varname $c + # } + # set percentrun 0 + #} } incr inputconsumed } diff --git a/src/modules/punk/ns-999999.0a1.0.tm b/src/modules/punk/ns-999999.0a1.0.tm index 7e594b2b..080f3448 100644 --- a/src/modules/punk/ns-999999.0a1.0.tm +++ b/src/modules/punk/ns-999999.0a1.0.tm @@ -880,12 +880,14 @@ namespace eval punk::ns { foreach nsdict $with_results { dict set opts -nsdict $nsdict set block [get_nslist {*}$opts] - if {[string first \n $block] < 0} { - #single line - set width [textblock::width [list $block]] - } else { - set width [textblock::width $block] - } + #if {[string first \n $block] < 0} { + # #single line + # set width [textblock::width [list $block]] + #} else { + # set width [textblock::width $block] + #} + set width [textblock::width $block] + #if multiple results or if there is only 1 result - but we are path-globbing - then we need to show location if {$count_with_results > 1 || [regexp {[*?]} [nsprefix $ns_absolute]]} { append output \n [dict get $nsdict location] @@ -1356,8 +1358,16 @@ namespace eval punk::ns { proc corp {path} { #thanks to Richard Suchenwirth for the original - wiki.tcl-lang.org/page/corp #Note: modified here to support aliases and relative/absolute name (with respect to namespace .ie ::name vs name) + if {[info exists punk::console::tabwidth]} { + set tw $::punk::console::tabwidth + } else { + set tw 8 + } + set indent [string repeat " " $tw] ;#match + #set indent [string repeat " " $tw] ;#A more sensible default for code - review + if {[info exists ::auto_index($path)]} { - set body "# $::auto_index($path)\n" + set body "\n${indent}#corp# auto_index $::auto_index($path)" } else { set body "" } @@ -1405,10 +1415,20 @@ namespace eval punk::ns { } } if {[nsprefix $origin] ne [nsprefix [nsjoin ${targetns} $name]]} { - append body "# namespace origin $origin" \n + append body \n "${indent}#corp# namespace origin $origin" } - append body [info body $origin] + if {$body ne "" && [string index $body end] ne "\n"} { + append body \n + } + if {![catch {package require textutil::tabify} errpkg]} { + set bodytext [info body $origin] + #punk::lib::indent preserves trailing empty lines - unlike textutil version + set bodytext [punk::lib::undent [textutil::untabify2 $bodytext $tw]] + append body [punk::lib::indent $bodytext $indent] + } else { + append body [info body $origin] + } set argl {} foreach a [info args $origin] { if {[info default $origin $a def]} { @@ -1511,20 +1531,23 @@ namespace eval punk::ns { #todo support leading solo flags such as -capture to control whether we do a static capture of local vars in the ns - if {[string tolower $pkg_or_existing_ns] in [list :: global]} { - set ns :: - set ver "";# tcl version? - } else { - if {[string match ::* $pkg_or_existing_ns]} { - if {![namespace exists $pkg_or_existing_ns]} { - set ver [package require [string range $pkg_or_existing_ns 2 end]] + switch -- [string tolower $pkg_or_existing_ns] { + "::" - global { + set ns :: + set ver "";# tcl version? + } + default { + if {[string match ::* $pkg_or_existing_ns]} { + if {![namespace exists $pkg_or_existing_ns]} { + set ver [package require [string range $pkg_or_existing_ns 2 end]] + } else { + set ver "" + } + set ns $pkg_or_existing_ns } else { - set ver "" + set ver [package require $pkg_or_existing_ns] + set ns ::$pkg_or_existing_ns } - set ns $pkg_or_existing_ns - } else { - set ver [package require $pkg_or_existing_ns] - set ns ::$pkg_or_existing_ns } } if {[namespace exists $ns]} { diff --git a/src/modules/punk/path-999999.0a1.0.tm b/src/modules/punk/path-999999.0a1.0.tm index 5d55aded..e1119678 100644 --- a/src/modules/punk/path-999999.0a1.0.tm +++ b/src/modules/punk/path-999999.0a1.0.tm @@ -126,18 +126,18 @@ namespace eval punk::path { if {[string range $seg end end] eq "/"} { set seg [string range $seg 0 end-1] ;# e.g c:/ -> c: / -> "" so that join at end doesn't double up } - if {$seg eq "*"} { - lappend pats {[^/]*} - } elseif {$seg eq "**"} { - lappend pats {.*} - } else { - set seg [string map [list {^ {\^} $ {\$} [} {\[} ( {\(} \{ \\\{ \\ {\\}] $seg] ;#treat regex characters in the input as literals - set seg [string map [list . {[.]}] $seg] - if {[regexp {[*?]} $seg]} { - set pat [string map [list ** {.*} * {[^/]*} ? {[^/]}] $seg] - lappend pats "$pat" - } else { - lappend pats "$seg" + switch -- $seg { + * {lappend pats {[^/]*}} + ** {lappend pats {.*}} + default { + set seg [string map [list {^ {\^} $ {\$} [} {\[} ( {\(} \{ \\\{ \\ {\\}] $seg] ;#treat regex characters in the input as literals + set seg [string map [list . {[.]}] $seg] + if {[regexp {[*?]} $seg]} { + set pat [string map [list ** {.*} * {[^/]*} ? {[^/]}] $seg] + lappend pats "$pat" + } else { + lappend pats "$seg" + } } } } diff --git a/src/modules/punk/repl-0.1.tm b/src/modules/punk/repl-0.1.tm index 2787e5a9..009c766c 100644 --- a/src/modules/punk/repl-0.1.tm +++ b/src/modules/punk/repl-0.1.tm @@ -475,6 +475,7 @@ proc ::unknown args { puts stderr ">>>scriptrun_commandlist: $commandlist" + #ansiwrap for testing #set id_stderr [shellfilter::stack::add stderr ansiwrap -settings {-colour {red bold}}] uplevel #0 [list ::catch [list ::shellfilter::run $commandlist -teehandle punk -inbuffering line -outbuffering none ] ::tcl::UnknownResult ::tcl::UnknownOptions] @@ -655,8 +656,11 @@ proc repl::start {inchan args} { # --- variable editbuf variable editbuf_list ;#command history - variable editbuf_lineindex_submitted + variable editbuf_linenum_submitted # --- + catch { + set punk::console::tabwidth [punk::console::get_tabstop_apparent_width] + } variable running variable reading @@ -677,7 +681,7 @@ proc repl::start {inchan args} { # --- set editbuf [punk::repl::class::class_editbuf new {}] lappend editbuf_list $editbuf ;#current editbuf is always in the history - set editbuf_lineindex_submitted -1 + set editbuf_linenum_submitted 0 # --- if {$::punk::console::ansi_wanted == 2} { @@ -1025,16 +1029,12 @@ proc repl::screen_needs_clearance {} { return 1 } lassign $last_char_info c what why - if {$what in [list "stdout" "stderr" "stdout/stderr"]} { - return 1 - } - - - if {$c eq "\n"} { - return 0 - } else { - return 1 + switch -- $what { + stdout - stderr - stdout/stderr { + return 1 + } } + return [expr {$c ne "\n"}] } namespace eval repl { @@ -1115,6 +1115,10 @@ namespace eval punk::repl::class { #we should merge first row of newparts differently in case our chunks split a grapheme-combination? # + if {$o_cursor_row < 1} { + puts stderr "add_chunk warning cursor_row < 1 - changing to minimum value 1" + set o_cursor_row 1 + } set cursor_row_idx [expr {$o_cursor_row -1}] set activeline [lindex $o_rendered_lines $cursor_row_idx] set new0 [lindex $newparts 0] @@ -1124,7 +1128,7 @@ namespace eval punk::repl::class { #append combined \n append new0 \n } - set underlay $activeline + set underlay [punk::ansi::stripansi $activeline] set line_nextchar_col [expr {[punk::char::string_width $underlay] + 1}] if {$o_cursor_col > $line_nextchar_col} { set o_cursor_col $line_nextchar_col @@ -1156,33 +1160,28 @@ namespace eval punk::repl::class { set cursor_row_idx [expr {$o_cursor_row-1}] lset o_rendered_lines $cursor_row_idx $result - if {[string is integer -strict $cmove]} { - #cmove - positive,negative or zero - if {$cmove == 0} { - #set nextrow [expr {$o_cursor_row + 1}] - #set o_cursor_col 1 - } elseif {$cmove == 1} { - #check for overflow_right and unapplied - #leave cursor_column - } elseif {$cmove >= 1} { - - } - } else { - # = - absolute - set nextrow [string range $cmove 1 end] - } - if {$insert_lines_below > 0} { - for {set i 0} {$i < $insert_lines_below} {incr i} { + set nextrow $cmove + #if {$insert_lines_below > 0} { + # for {set i 0} {$i < $insert_lines_below} {incr i} { + # lappend o_rendered_lines "" + # } + # set o_cursor_col 1 + #} + if {$insert_lines_below == 1} { + if {[string length $overflow_right]} { + lappend o_rendered_lines $overflow_right + set o_cursor_col [expr {[punk::ansi::printing_length $overflow_right] +1}] + } else { lappend o_rendered_lines "" + set o_cursor_col 1 } - set o_cursor_col 1 - } - if {$insert_lines_above > 0} { + } elseif {$insert_lines_above == 1} { #for {set i 0} {$i < $insert_lines_above} {incr i} { # set o_rendered_lines [linsert $o_rendered_lines $cursor_row_idx ""] # incr nextrow -1 #} - #set o_cursor_col 1 + set o_rendered_lines [linsert $o_rendered_lines $cursor_row_idx ""] + set o_cursor_col 1 } set o_cursor_row $nextrow @@ -1293,23 +1292,110 @@ namespace eval punk::repl::class { return [llength $o_rendered_lines] } method line {idx} { + if {[string is integer -strict $idx]} { + incr idx -1 + } return [lindex $o_rendered_lines $idx] } method lines {args} { - if {![llength $args]} { - set range [list 0 end] - } else { - set range $args + switch -- [llength $args] { + 0 {return $o_rendered_lines} + 1 { + set idx [lindex $args 0] + if {[string is integer -strict $idx]} { + incr idx -1 + } + return [list [lindex $o_rendered_lines $idx]] + } + 2 { + lassign $args idx1 idx2 + if {[string is integer -strict $idx1]} { + incr idx1 -1 + } + if {[string is integer -strict $idx2]} { + incr idx2 -1 + } + return [lrange $o_rendered_lines $idx1 $idx2] + } + default {error "lines expected 0,1 or 2 indices"} } - return [lrange $o_rendered_lines {*}$range] } - #min value 1? - method view_lines {} { - set result "" - foreach ln $o_rendered_lines { - append result $ln \n + + #todo - index base??? + method lines_numbered {args} { + #build a paired list so we don't have to do various calcs on end+ end- etc checking llength + #punk::range will use lseq if available - else use it's own slower code + set max [llength $o_rendered_lines] ;#assume >=1 + set nums [punk::range 1 $max] + set numline_list [list] + foreach n $nums ln $o_rendered_lines { + lappend numline_list [list $n $ln] + } + + switch -- [llength $args] { + 0 {return $numline_list} + 1 {return [lindex $numline_list [lindex $args 0]]} + 2 {return [lrange $numline_list {*}$args]} + default {error "lines expected 0,1 or 2 indices"} } - return $result + } + + #1-based + method delete_line {linenum} { + error "unimplemented" + if {$linenum eq "end"} { + set linenum [llength $o_rendered_lines] + } + if {![string is integer -strict $linenum]} { + error "delete_line accepts only end or an integer from 1 to linecount" + } + if {$linenum == 0} { + error "minimum line is 1" + } + set o_rendered_lines [lreplace $o_rendered_lines $index $index] + } + #clear data from last line only + method clear_tail {} { + set o_cursor_row [llength $o_rendered_lines] + set o_cursor_col 1 + lset o_rendered_lines end "" + } + #1-based + method view_lines {args} { + set llist [my lines {*}$args] + return [join $llist \n] + } + method view_lines_numbered {args} { + set ANSI_linenum [a+ green] + set RST [a] + set llist [my lines_numbered {*}$args] + set nums [lsearch -all -inline -index 0 -subindices $llist *] + lset nums $o_cursor_row-1 "[a+ bold underline]$o_cursor_row${RST}$ANSI_linenum" + set lines [lsearch -all -inline -index 1 -subindices $llist *] + + set cursorline [lindex $lines $o_cursor_row-1] + set charindex_at_cursor [ansistring COLUMNINDEX $cursorline $o_cursor_col] + if {$charindex_at_cursor ne ""} { + lassign [ansistring INDEXCOLUMNS $cursorline $charindex_at_cursor] col0 col1 + #we now have the column extents of the possibly double-wide character at the cursor + #we can apply ansi just to those columns using a transparent overtype + set prefix [string repeat " " [expr {$col0 -1}]] + set linecols [punk::ansi::printing_length $cursorline] + set suffix [string repeat " " [expr {$linecols -$col1}]] + set char_at_cursor [ansistring index $cursorline $charindex_at_cursor] ;#this is the char with appropriate ansireset codes + set rawchar [punk::ansi::stripansi $char_at_cursor] + if {$rawchar eq " "} { + set charhighlight "[punk::ansi::a+ White]_[a]" + } else { + set charhighlight [punk::ansi::a+ reverse]$char_at_cursor[a] + } + set cursorline [overtype::renderline -transparent 1 -insert_mode 0 -overflow 0 $cursorline $prefix$charhighlight$suffix] + lset lines $o_cursor_row-1 $cursorline + } + + set numcol "$ANSI_linenum[join $nums \n][a]" + set linecol [join $lines \n] + return [textblock::join $numcol " " $linecol] } method debugview_lines {} { set result "" @@ -1338,10 +1424,16 @@ namespace eval punk::repl::class { set lastchunk [lindex $o_chunk_list end] set parts [punk::ansi::ta::split_codes_single $lastchunk] set lastcode [lindex $parts end-1] - return [ansistring VIEW -lf 1 $lastcode] + return $lastcode + #return [ansistring VIEW -lf 1 $lastcode] } - method chunks {} { - return $o_chunk_list + method chunks {args} { + switch -- [llength $args] { + 0 {return $o_chunk_list} + 1 {return [lindex $o_chunk_list [lindex $args 0]]} + 2 {return [lrange $o_chunk_list {*}$args]} + default {error "chunks expected 0,1 or 2 arguments (index or range)"} + } } method view_chunks {} { set result "" @@ -1441,6 +1533,8 @@ proc repl::repl_handler {inputchan prompt_config} { } if {!$rawmode} { + + #stdin with line-mode readable events (at least on windows for Tcl 8.7a6 to 9.0a) can get stuck with bytes pending when input longer than 100chars - even though there is a linefeed further on than that. #This potentially affects a reasonable number of Tcl8.7 kit/tclsh binaries out in the wild. #see bug https://core.tcl-lang.org/tcl/tktview/bda99f2393 (gets stdin problem when non-blocking - Windows) @@ -1476,7 +1570,7 @@ proc repl::repl_handler {inputchan prompt_config} { if {$chunksize > 0} { if {[string index $chunk end] eq "\n"} { lappend stdinlines $waitingchunk[string range $chunk 0 end-1] - punk::console::cursorsave_move_emitblock_return 30 30 "repl_handler num_stdinlines [llength $stdinlines] chunk:$yellow[ansistring VIEW -lf 1 $chunk][a] fblocked:[fblocked $inputchan] pending:[chan pending input stdin]" + #punk::console::cursorsave_move_emitblock_return 30 30 "repl_handler num_stdinlines [llength $stdinlines] chunk:$yellow[ansistring VIEW -lf 1 $chunk][a] fblocked:[fblocked $inputchan] pending:[chan pending input stdin]" if {![chan eof $inputchan]} { repl_handler_restorechannel $inputchan $original_input_conf @@ -1512,9 +1606,9 @@ proc repl::repl_handler {inputchan prompt_config} { set chunksize [string length $chunk] # -- --- --- if {$chunksize > 0} { - punk::console::cursorsave_move_emitblock_return 35 120 "chunk: [ansistring VIEW -lf 1 "...[string range $chunk end-10 end]"]" + #punk::console::cursorsave_move_emitblock_return 35 120 "chunk: [ansistring VIEW -lf 1 "...[string range $chunk end-10 end]"]" set ln $chunk ;#temp - punk::console::cursorsave_move_emitblock_return 25 30 [textblock::frame -title line "[a+ green]$waitingchunk[a][a+ red][ansistring VIEW -lf 1 $ln][a+ green]pending:[chan pending input stdin][a]"] + #punk::console::cursorsave_move_emitblock_return 25 30 [textblock::frame -title line "[a+ green]$waitingchunk[a][a+ red][ansistring VIEW -lf 1 $ln][a+ green]pending:[chan pending input stdin][a]"] if {[string index $ln end] eq "\n"} { lappend stdinlines [string range $ln 0 end-1] incr lc @@ -1549,6 +1643,13 @@ proc repl::repl_handler {inputchan prompt_config} { repl_handler_restorechannel $inputchan $original_input_conf } uplevel #0 [list repl::repl_process_data $inputchan raw-read $chunk [list] $prompt_config] + while {[join $input_chunks_waiting($inputchan)] ne ""} { + #puts "...[llength $input_chunks_waiting($inputchan)]" + set wchunks $input_chunks_waiting($inputchan) + set ch [lindex $wchunks 0] + set input_chunks_waiting($inputchan) [lrange $wchunks 1 end] + uplevel #0 [list repl::repl_process_data $inputchan raw-waiting $ch [list] $prompt_config] + } } } @@ -1570,11 +1671,17 @@ proc repl::repl_handler {inputchan prompt_config} { } set in_repl_handler [list] } +proc repl::editbuf {args} { + variable editbuf + $editbuf {*}$args +} +interp alias {} editbuf {} ::repl::editbuf proc repl::repl_process_data {inputchan type chunk stdinlines prompt_config} { variable loopinstance variable loopcomplete incr loopinstance - + set moredata 0 + upvar ::punk::console::input_chunks_waiting input_chunks_waiting try { variable prompt_reset_flag @@ -1591,7 +1698,8 @@ proc repl::repl_process_data {inputchan type chunk stdinlines prompt_config} { # --- variable editbuf variable editbuf_list - variable editbuf_lineindex_submitted + variable editbuf_linenum_submitted + # --- variable readingchunk variable running @@ -1672,10 +1780,11 @@ proc repl::repl_process_data {inputchan type chunk stdinlines prompt_config} { #esc or ctrl-lb if {$chunk eq "\x1b"} { #return - set readingchunk "" + #set readingchunk "" set stdinlines [list "\x1b"] set commandstr "" set chunk "" + $editbuf clear_tail screen_last_char_add \x1b stdin escape break } @@ -1696,6 +1805,9 @@ proc repl::repl_process_data {inputchan type chunk stdinlines prompt_config} { after 1000 exit return } + if {$chunk eq "\x7f"} { + set chunk "\b\x7f" + } #ctrl-bslash if {$chunk eq "\x1c"} { #try to brutally terminate process @@ -1735,7 +1847,7 @@ proc repl::repl_process_data {inputchan type chunk stdinlines prompt_config} { set info [list_as_lines $lines] } } errM]} { - set info [textblock::frame -title [a red]error[a] $errM] + set info [textblock::frame -title "[a red]error[a]" $errM] } else { set info [textblock::frame -ansiborder [a+ green bold] -title "[a cyan]debugview_raw[a]" $info] } @@ -1748,14 +1860,15 @@ proc repl::repl_process_data {inputchan type chunk stdinlines prompt_config} { puts -nonewline [punk::ansi::cursor_on] } if {[catch { - set info [$editbuf view_lines] + #set info [$editbuf view_lines] + set info [$editbuf view_lines_numbered] set lines [lines_as_list -ansiresets 1 $info] if {[llength $lines] > 20} { set lines [lrange $lines end-19 end] set info [list_as_lines $lines] } - }]} { - set info [textblock::frame -title [a red]error[a] $errM] + } editbuf_error]} { + set info [textblock::frame -title "[a red]error[a]" "$editbuf_error\n$::errorInfo"] } else { set title "[a cyan]editbuf lines [$editbuf linecount][a]" append title "[a+ yellow bold] col:[$editbuf cursor_column] row:[$editbuf cursor_row][a]" @@ -1771,35 +1884,67 @@ proc repl::repl_process_data {inputchan type chunk stdinlines prompt_config} { } - set lines_unsubmitted [expr {[$editbuf linecount] - $editbuf_lineindex_submitted + 1}] + set lines_unsubmitted [expr {[$editbuf linecount] - $editbuf_linenum_submitted}] #there is always one 'line' unsubmitted - although it may be the current one being built, which may be empty string if {$lines_unsubmitted < 1} { - puts stderr "repl editbuf_lineindex_submitted out of sync with editbuf" + puts stderr "repl editbuf_linenum_submitted out of sync with editbuf" } - set activeline_index [expr {[$editbuf linecount] -1}] - set nextsubmit_index [expr {$editbuf_lineindex_submitted + 1}] - if {$editbuf_lineindex_submitted == -1} { + #set trailing_line_index [expr {[$editbuf linecount] -1}] + set last_line_num [$editbuf linecount] + #set nextsubmit_index [expr {$editbuf_lineindex_submitted + 1}] + set nextsubmit_line_num [expr {$editbuf_linenum_submitted + 1}] + + set cursor_row [$editbuf cursor_row] + set cursor_index [expr {$cursor_row -1}] + set lastansi [$editbuf last_ansi] + if {$lastansi eq "\x1b\[A"} { + if {$cursor_row > 1} { + puts -nonewline stdout "\x1b\[A" + } + } elseif {$lastansi eq "\x1b\[B"} { + puts -nonewline stdout "\x1b\[B" + } + flush stdout + + + + set offset 3 + puts -nonewline stdout [a+ cyan][punk::ansi::move_column [expr {$offset +1}]][punk::ansi::erase_eol][$editbuf line $cursor_row][a][punk::ansi::move_column [expr {$offset + [$editbuf cursor_column]}]] + #puts -nonewline stdout $chunk + flush stdout + if {[$editbuf last_char] eq "\n"} { + set linelen [punk::ansi::printing_length [$editbuf line $nextsubmit_line_num]] + puts -nonewline stdout [a+ cyan bold][punk::ansi::move_column [expr {$offset +1}]][$editbuf line $nextsubmit_line_num][a][punk::ansi::move_column [expr {$offset + $linelen +1}]] + #screen_last_char_add "\n" input inputline + puts -nonewline stdout [punk::ansi::erase_eol]\n + #puts -nonewline stdout \n + screen_last_char_add "\n" input inputline + set waiting [$editbuf line end] + if {[string length $waiting] > 0} { + set waiting [a+ yellow bold]$waiting[a] + #puts stderr "waiting $waiting" + $editbuf clear_tail + lappend input_chunks_waiting($inputchan) $waiting + } + } + if {$editbuf_linenum_submitted == 0} { + #(there is no line 0 - lines start at 1) if {[$editbuf last_char] eq "\n"} { - lappend stdinlines [$editbuf line 0] + lappend stdinlines [$editbuf line 1] incr lc - set editbuf_lineindex_submitted 0 + set editbuf_linenum_submitted 1 } } else { - if {$nextsubmit_index < $activeline_index} { - foreach ln [$editbuf lines $nextsubmit_index end-1] { + if {$nextsubmit_line_num < $last_line_num} { + foreach ln [$editbuf lines $nextsubmit_line_num end-1] { lappend stdinlines $ln incr lc - incr editbuf_lineindex_submitted + incr editbuf_linenum_submitted } } } - puts -nonewline stdout $chunk - flush stdout - if {[string index $chunk end] eq "\n"} { - screen_last_char_add "\n" input inputline - } - + set last_cursor_colun [$editbuf cursor_column] } else { #rputs stderr "->0byte read stdin" if {[chan eof $inputchan]} { @@ -2186,22 +2331,27 @@ proc repl::repl_process_data {inputchan type chunk stdinlines prompt_config} { foreach c $result { lassign $c termchan text if {[string length $text]} { - if {$termchan eq "result"} { - #rputs stdout $resultprompt[string map [list \n "\n$resultprompt"] $text] - set h [textblock::height $text] - set promptcol [string repeat $resultprompt\n $h] - set promptcol [string range $promptcol 0 end-1] - rputs [textblock::join -- $promptcol $text] - - #puts -nonewline stdout $text - } elseif {$termchan eq "resulterr"} { - rputs stderr $resultprompt[string map [list \n "\n$resultprompt"] $text] - } elseif {$termchan eq "info"} { - rputs stderr $infoprompt[string map [list \n "\n$infoprompt"] $text] - } else { - #rputs -nonewline $termchan $text - set chanprompt "_ " - rputs $termchan ${chanprompt}[string map [list \n "\n${chanprompt}"] $text] + switch -- $termchan { + result { + #rputs stdout $resultprompt[string map [list \n "\n$resultprompt"] $text] + set h [textblock::height $text] + set promptcol [string repeat $resultprompt\n $h] + set promptcol [string range $promptcol 0 end-1] + rputs [textblock::join -- $promptcol $text] + + #puts -nonewline stdout $text + } + resulterr { + rputs stderr $resultprompt[string map [list \n "\n$resultprompt"] $text] + } + info { + rputs stderr $infoprompt[string map [list \n "\n$infoprompt"] $text] + } + default { + #rputs -nonewline $termchan $text + set chanprompt "_ " + rputs $termchan ${chanprompt}[string map [list \n "\n${chanprompt}"] $text] + } } } } @@ -2253,15 +2403,20 @@ proc repl::repl_process_data {inputchan type chunk stdinlines prompt_config} { foreach c $last_run_display { lassign $c termchan text if {[string length $text]} { - if {$termchan eq "result"} { - rputs stdout $resultprompt[string map [list \n "\n$resultprompt"] $text] - #puts -nonewline stdout $text - } elseif {$termchan eq "resulterr"} { - rputs stderr $resultprompt[string map [list \n "\n$resultprompt"] $text] - } elseif {$termchan eq "info"} { - rputs stderr $infoprompt[string map [list \n "\n$infoprompt"] $text] - } else { - rputs -nonewline $termchan $text + switch -- $termchan { + result { + rputs stdout $resultprompt[string map [list \n "\n$resultprompt"] $text] + #puts -nonewline stdout $text + } + resulterr { + rputs stderr $resultprompt[string map [list \n "\n$resultprompt"] $text] + } + info { + rputs stderr $infoprompt[string map [list \n "\n$infoprompt"] $text] + } + default { + rputs -nonewline $termchan $text + } } } } @@ -2318,7 +2473,8 @@ proc repl::repl_process_data {inputchan type chunk stdinlines prompt_config} { #we haven't put the data following last le into commandstr - but we want to display proper completion status prior to enter being hit or more data coming in. #this could give spurious results for large pastes where buffering chunks it in odd places.? #it does however give sensible output for the common case of a small paste where the last line ending wasn't included - set waiting [punk::lib::system::incomplete $commandstr$readingchunk] + #set waiting [punk::lib::system::incomplete $commandstr$readingchunk] + set waiting [punk::lib::system::incomplete $commandstr[$editbuf line end]] } else { set waiting [punk::lib::system::incomplete $commandstr] } @@ -2342,7 +2498,9 @@ proc repl::repl_process_data {inputchan type chunk stdinlines prompt_config} { #rputs stderr "repl: no complete input line: $commandstr" #screen_last_char_add "\n" empty empty - screen_last_char_add [string index $readingchunk end] stdinchunk stdinchunk + #screen_last_char_add [string index $readingchunk end] stdinchunk stdinchunk + screen_last_char_add [string index [$editbuf line end] end] stdinchunk stdinchunk + } @@ -2376,6 +2534,10 @@ proc repl::repl_process_data {inputchan type chunk stdinlines prompt_config} { } } +proc repl::completion {context ebuf} { + +} + package provide punk::repl [namespace eval punk::repl { variable version set version 0.1 diff --git a/src/modules/punk/repo-999999.0a1.0.tm b/src/modules/punk/repo-999999.0a1.0.tm index a2560387..0a5bdfd9 100644 --- a/src/modules/punk/repo-999999.0a1.0.tm +++ b/src/modules/punk/repo-999999.0a1.0.tm @@ -418,28 +418,36 @@ namespace eval punk::repo { continue } } - if {[string match "EDITED *" $ln]} { - set path [string trim [string range $ln [string length "EDITED "] end]] ;#should handle spaced paths - dict set pathdict $path "changed" - } elseif {[string match "ADDED *" $ln]} { - set path [string trim [string range $ln [string length "ADDED "] end]] - dict set pathdict $path "new" - } elseif {[string match "DELETED *" $ln]} { - set path [string trim [string range $ln [string length "DELETED "] end]] - dict set pathdict $path "missing" - } elseif {[string match "MISSING *" $ln]} { - set path [string trim [string range $ln [string length "MISSING "] end]] - dict set pathdict $path "missing" - } elseif {[string match "EXTRA *" $ln]} { - #fossil will explicitly list files in a new folder - as opposed to git which shows just the folder - set path [string trim [string range $ln [string length "EXTRA "] end]] - dict set pathdict $path "extra" - } elseif {[string match "UNCHANGED *" $ln]} { - set path [string trim [string range $ln [string length "UNCHANGED "] end]] - dict set pathdict $path "unchanged" - } else { - #emit for now - puts stderr "unprocessed fossilstate line: $ln" + switch -glob -- $ln { + "EDITED *" { + set path [string trim [string range $ln [string length "EDITED "] end]] ;#should handle spaced paths + dict set pathdict $path "changed" + } + "ADDED *" { + set path [string trim [string range $ln [string length "ADDED "] end]] + dict set pathdict $path "new" + } + "DELETED *" { + set path [string trim [string range $ln [string length "DELETED "] end]] + dict set pathdict $path "missing" + } + "MISSING *" { + set path [string trim [string range $ln [string length "MISSING "] end]] + dict set pathdict $path "missing" + } + "EXTRA * " { + #fossil will explicitly list files in a new folder - as opposed to git which shows just the folder + set path [string trim [string range $ln [string length "EXTRA "] end]] + dict set pathdict $path "extra" + } + "UNCHANGED *" { + set path [string trim [string range $ln [string length "UNCHANGED "] end]] + dict set pathdict $path "unchanged" + } + default { + #emit for now + puts stderr "unprocessed fossilstate line: $ln" + } } #other entries?? } diff --git a/src/modules/punk/timeinterval-999999.0a1.0.tm b/src/modules/punk/timeinterval-999999.0a1.0.tm index e0815eb9..8429b65d 100644 --- a/src/modules/punk/timeinterval-999999.0a1.0.tm +++ b/src/modules/punk/timeinterval-999999.0a1.0.tm @@ -223,7 +223,8 @@ namespace eval punk::timeinterval { while { $s2 ne $s2_test && $counter < 30 } { set s2_diff [expr { $s2_test - $s2 } ] puts "\ninterval_ymdhs: debug s1 $s1 s2 $s2 y $y m $m d $d h $h s $s s2_diff $s2_diff" - if { [expr { abs($s2_diff) } ] > 86399 } { + set absdiff [expr {abs($s2_diff)}] + if { $absdiff > 86399 } { if { $s2_diff > 0 } { incr d -1 puts "interval_ymdhs: debug, audit adjustment. decreasing 1 day to $d" @@ -231,7 +232,7 @@ namespace eval punk::timeinterval { incr d puts "interval_ymdhs: debug, audit adjustment. increasing 1 day to $d" } - } elseif { [expr { abs($s2_diff) } ] > 3599 } { + } elseif { $absdiff > 3599 } { if { $s2_diff > 0 } { incr h -1 puts "interval_ymdhs: debug, audit adjustment. decreasing 1 hour to $h" @@ -239,7 +240,7 @@ namespace eval punk::timeinterval { incr h puts "interval_ymdhs: debug, audit adjustment. increasing 1 hour to $h" } - } elseif { [expr { abs($s2_diff) } ] > 59 } { + } elseif { $absdiff > 59 } { if { $s2_diff > 0 } { incr mm -1 puts "interval_ymdhs: debug, audit adjustment. decreasing 1 minute to $mm" @@ -247,7 +248,7 @@ namespace eval punk::timeinterval { incr mm puts "interval_ymdhs: debug, audit adjustment. increasing 1 minute to $mm" } - } elseif { [expr { abs($s2_diff) } ] > 0 } { + } elseif { $absdiff > 0 } { if { $s2_diff > 0 } { incr s -1 puts "interval_ymdhs: debug, audit adjustment. decreasing 1 second to $s" @@ -449,7 +450,8 @@ namespace eval punk::timeinterval { while { $s2 ne $s2_test && $counter < 3 } { set s2_diff [expr { $s2_test - $s2 } ] puts "\ninterval_remains_ymdhs: debug s1 $s1 s2 $s2 y $y m $m d $d h $h s $s s2_diff $s2_diff" - if { [expr { abs($s2_diff) } ] >= 86399 } { + set absdiff [expr {abs($s2_diff)}] + if { $absdiff >= 86399 } { if { $s2_diff > 0 } { incr d -1 puts "interval_remains_ymdhs: debug, audit adjustment. decreasing 1 day to $d" @@ -457,7 +459,7 @@ namespace eval punk::timeinterval { incr d puts "interval_remains_ymdhs: debug, audit adjustment. increasing 1 day to $d" } - } elseif { [expr { abs($s2_diff) } ] > 3599 } { + } elseif { $absdiff > 3599 } { if { $s2_diff > 0 } { incr h -1 puts "interval_remains_ymdhs: debug, audit adjustment. decreasing 1 hour to $h" @@ -465,7 +467,7 @@ namespace eval punk::timeinterval { incr h puts "interval_remains_ymdhs: debug, audit adjustment. increasing 1 hour to $h" } - } elseif { [expr { abs($s2_diff) } ] > 59 } { + } elseif { $absdiff > 59 } { if { $s2_diff > 0 } { incr mm -1 puts "interval_remains_ymdhs: debug, audit adjustment. decreasing 1 minute to $mm" @@ -473,7 +475,7 @@ namespace eval punk::timeinterval { incr mm puts "interval_remains_ymdhs: debug, audit adjustment. increasing 1 minute to $mm" } - } elseif { [expr { abs($s2_diff) } ] > 0 } { + } elseif { $absdiff > 0 } { if { $s2_diff > 0 } { incr s -1 puts "interval_remains_ymdhs: debug, audit adjustment. decreasing 1 second to $s" diff --git a/src/modules/punk/uc-999999.0a1.0.tm b/src/modules/punk/uc-999999.0a1.0.tm new file mode 100644 index 00000000..52dc6788 --- /dev/null +++ b/src/modules/punk/uc-999999.0a1.0.tm @@ -0,0 +1,35044 @@ +# -*- tcl -*- +# Maintenance Instruction: leave the 999999.xxx.x as is and use punkshell 'pmix make' or bin/punkmake to update from -buildversion.txt +# module template: shellspy/src/decktemplates/vendor/punk/modules/template_module-0.0.2.tm +# +# Please consider using a BSD or MIT style license for greatest compatibility with the Tcl ecosystem. +# Code using preferred Tcl licenses can be eligible for inclusion in Tcllib, Tklib and the punk package repository. +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +# (C) 2024 +# +# @@ Meta Begin +# Application punk::uc 999999.0a1.0 +# Meta platform tcl +# Meta license +# @@ Meta End + + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +# doctools header +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +#*** !doctools +#[manpage_begin shellspy_module_punk::uc 0 999999.0a1.0] +#[copyright "2024"] +#[titledesc {Module API}] [comment {-- Name section and table of contents description --}] +#[moddesc {-}] [comment {-- Description at end of page heading --}] +#[require punk::uc] +#[keywords module] +#[description] +#[para] - + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ + +#*** !doctools +#[section Overview] +#[para] overview of punk::uc +#[subsection Concepts] +#[para] - + + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +## Requirements +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ + +#*** !doctools +#[subsection dependencies] +#[para] packages used by punk::uc +#[list_begin itemized] + +package require Tcl 8.6 +#*** !doctools +#[item] [package {Tcl 8.6}] + +# #package require frobz +# #*** !doctools +# #[item] [package {frobz}] + +#*** !doctools +#[list_end] + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ + +#*** !doctools +#[section API] + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +# oo::class namespace +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +namespace eval punk::uc::class { + #*** !doctools + #[subsection {Namespace punk::uc::class}] + #[para] class definitions + if {[info commands [namespace current]::interface_sample1] eq ""} { + #*** !doctools + #[list_begin enumerated] + + # oo::class create interface_sample1 { + # #*** !doctools + # #[enum] CLASS [class interface_sample1] + # #[list_begin definitions] + + # method test {arg1} { + # #*** !doctools + # #[call class::interface_sample1 [method test] [arg arg1]] + # #[para] test method + # puts "test: $arg1" + # } + + # #*** !doctools + # #[list_end] [comment {-- end definitions interface_sample1}] + # } + + #*** !doctools + #[list_end] [comment {--- end class enumeration ---}] + } +} +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +# Base namespace +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +namespace eval punk::uc { + namespace export * + #variable xyz + + #*** !doctools + #[subsection {Namespace punk::uc}] + #[para] Core API functions for punk::uc + #[list_begin definitions] + + + + #proc sample1 {p1 n args} { + # #*** !doctools + # #[call [fun sample1] [arg p1] [arg n] [opt {option value...}]] + # #[para]Description of sample1 + # #[para] Arguments: + # # [list_begin arguments] + # # [arg_def tring p1] A description of string argument p1. + # # [arg_def integer n] A description of integer argument n. + # # [list_end] + # return "ok" + #} + + + #Straight from tcllib - map version + ### + # This file is automatically generated by the build/build.tcl file + # based on information in the following database: + # http://www.unicode.org/Public/UCD/latest/ucd/EastAsianWidth.txt + # + # (This is the 35th edition, thus version 35 for our package) + # + # Author: Sean Woods + # Author: Andreas Kupries + ### + +proc wcswidth_type char { + return [lindex { + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N A N N A N N A A N A N N A A N A A A A A N A A A A A N A A A A + N N N N N N A N N N N N N N N N A N N N N N N A A N N N N N A A A A N N N N A N A A A N A A N N A N A A N N N A A A A N A N A N + N A N N N N N N N N N N N N N N N A N A N N N N N N N A N N N N N N N N N N A A N N N A N N N N N A A A N N N N A N N N N N N A + A A A N A N N N A A A A N A N N N N A A N N N N N N N N N N N N N N N N N N A A N N N A N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N A N A N A N A N A N A N A N A N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N A N N N N N N N N N N N N N N N A N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N A N N A N A A A N A N N A N N N N N N N A A A A N A N A N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A + A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N A A A A A A A A A A A A A A A A A N A A A A A A A N N N N N N N A A A A A A A A A A A A A A A + A A N A A A A A A A N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N A N N N N N N N N N N N N N N A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A + A A A A A A A A A A A A A A A A N A N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N 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N N N N N N N N N N N N N N N N N W W A + N N N N W W A A A A A A A A W A A A A A W A A A A A A A A A A A A A N A N N N N A A W A A A A A A A W W A W A A A A W A A W A A + N N N N N W N N N N W W N N N N N N N N N N N N N N N N N N N N N N N N N N N N W N N N N N N N N N N N N N N N N N N N N A N N + N N N N N N N N N N N N W N W N N N N W W W N W N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N A A A A A A A A A A + N N N N N N N N N N N N N N N N N N N N N W W W N N N N N N N N N N N N N N N N N N N N N N N N W N N N N N N N N N N N N N N W + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N W W N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N W N N N N W A A A A N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + W W W W W W W W W W W W W W W W W W W W W W W W W W N W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W N N N N N N N N N N N N + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W N N N N N N N N N N N N N N N N N N N N N N N N N N W W W W W W W W W W W W N N N N + F W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W N + N W W W W W W W W 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W W W W W W W W W W + W W W W W W W W A A A A A A A A W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W 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W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W 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N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N W W W W W N N N N N N N N N N N W W N N N N N N N N N N N N N N + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W + W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W 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N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N 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N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N + N N N N N N N N N N N N N N 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A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A + A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A + A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A + A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A + A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A + A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A + A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A + A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A + A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A + A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A + A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A + A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A + A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A + A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A + } $char] +} + +proc wcswidth_char char { + return [lindex { + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 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1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 + } $char] +} + + proc wcswidth {string} { + set width 0 + set len [string length $string] + foreach c [split $string {}] { + scan $c %c char + set n [::textutil::wcswidth_char $char] + if {$n < 0} { + return -1 + } + incr width $n + } + return $width + } + proc wcswidth2 {string} { + set codes [scan $string [string repeat %c [string length $string]]] + set widths [lmap c $codes {wcswidth_char $c}] + if {-1 in $widths} { + return -1 + } + return [tcl::mathop::+ {*}$widths] + } + + # This file is automatically generated by the build/build.tcl file + # based on information in the following database: + # http://www.unicode.org/Public/UCD/latest/ucd/EastAsianWidth.txt + + + + + #*** !doctools + #[list_end] [comment {--- end definitions namespace punk::uc ---}] +} +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ + + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +# Secondary API namespace +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +namespace eval punk::uc::lib { + namespace export * + namespace path [namespace parent] + #*** !doctools + #[subsection {Namespace punk::uc::lib}] + #[para] Secondary functions that are part of the API + #[list_begin definitions] + + #proc utility1 {p1 args} { + # #*** !doctools + # #[call lib::[fun utility1] [arg p1] [opt {?option value...?}]] + # #[para]Description of utility1 + # return 1 + #} + + + + #*** !doctools + #[list_end] [comment {--- end definitions namespace punk::uc::lib ---}] +} +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ + + + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +#*** !doctools +#[section Internal] +namespace eval punk::uc::system { + #*** !doctools + #[subsection {Namespace punk::uc::system}] + #[para] Internal functions that are not part of the API + + + +} +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +## Ready +package provide punk::uc [namespace eval punk::uc { + variable pkg punk::uc + variable version + set version 999999.0a1.0 +}] +return + +#*** !doctools +#[manpage_end] + diff --git a/src/modules/punk/uc-buildversion.txt b/src/modules/punk/uc-buildversion.txt new file mode 100644 index 00000000..f47d01c8 --- /dev/null +++ b/src/modules/punk/uc-buildversion.txt @@ -0,0 +1,3 @@ +0.1.0 +#First line must be a semantic version number +#all other lines are ignored. diff --git a/src/modules/punkcheck-0.1.0.tm b/src/modules/punkcheck-0.1.0.tm index c58fe244..86b174a8 100644 --- a/src/modules/punkcheck-0.1.0.tm +++ b/src/modules/punkcheck-0.1.0.tm @@ -73,7 +73,11 @@ namespace eval punkcheck { set record_list [list] if {[file exists $punkcheck_file]} { set tdlscript [punk::mix::util::fcat $punkcheck_file] - set record_list [punk::tdl::prettyparse $tdlscript] + if {[catch { + set record_list [punk::tdl::prettyparse $tdlscript] + } errparse]} { + error "punkcheck::load_records_from_file failed to parse '$punkcheck_file'\n error:$errparse" + } } return $record_list } @@ -131,8 +135,10 @@ namespace eval punkcheck { #get last previous that is tagged INSTALL-RECORD,MODIFY-RECORD,DELETE-RECORD set revlist [lreverse $previous_records] foreach rec $revlist { - if {[dict get $rec tag] in [list "INSTALL-RECORD" "MODIFY-RECORD" "DELETE-RECORD" "VIRTUAL-RECORD"]} { - return $rec + switch -- [dict get $rec tag] { + INSTALL-RECORD - MODIFY-RECORD - DELETE-RECORD - VIRTUAL-RECORD { + return $rec + } } } return [list] @@ -1487,53 +1493,57 @@ namespace eval punkcheck { lappend files_copied $current_source_dir/$m incr filecount_new } else { - if {$overwrite_what eq "installedsourcechanged-targets"} { - if {[llength $changed]} { - #An unrecorded installation is considered a source change (from unknown/unrecorded source to recorded) - file copy -force $current_source_dir/$m $current_target_dir - set new_tgt_cksum_info [punk::mix::base::lib::cksum_path $current_target_dir/$m] - lappend files_copied $current_source_dir/$m - } else { - set is_skip 1 - lappend files_skipped $current_source_dir/$m - } - } elseif {$overwrite_what eq "synced-targets"} { - if {[llength $changed]} { - #only overwrite if the target checksum equals the last installed checksum (ie target is in sync with source and so hasn't been customized) - set existing_tgt_cksum_info [punk::mix::base::lib::cksum_path $current_target_dir/$m] - set is_target_unmodified_since_install 0 - set target_cksum_compare "unknown" - set latest_install_record [punkcheck::recordlist::file_record_latest_installrecord $filerec] ;#may be no such record - in which case we get an empty list - if {[dict exists $latest_install_record -targets_cksums]} { - set last_install_cksum [dict get $latest_install_record -targets_cksums] ;#in this case we know there is only one as 'install' always uses targetset size of 1. (FILEINFO record per file in source folder) - if {[dict get $existing_tgt_cksum_info cksum] eq $last_install_cksum} { - set is_target_unmodified_since_install 1 - set target_cksum_compare "match" - } else { - set target_cksum_compare "nomatch" - } - } else { - set target_cksum_compare "norecord" - } - if {$is_target_unmodified_since_install} { + switch -- $overwrite_what { + installedsourcechanged-targets { + if {[llength $changed]} { + #An unrecorded installation is considered a source change (from unknown/unrecorded source to recorded) file copy -force $current_source_dir/$m $current_target_dir set new_tgt_cksum_info [punk::mix::base::lib::cksum_path $current_target_dir/$m] lappend files_copied $current_source_dir/$m } else { - #either cksum is different or we were unable to verify the record. Either way we can't know if the target is in sync so we must skip it set is_skip 1 - puts stderr "Skipping file copy $m target $current_target_dir/$m - require synced_target to overwrite - current target cksum compared to previous install: $target_cksum_compare" lappend files_skipped $current_source_dir/$m } - } else { + } + synced-targets { + if {[llength $changed]} { + #only overwrite if the target checksum equals the last installed checksum (ie target is in sync with source and so hasn't been customized) + set existing_tgt_cksum_info [punk::mix::base::lib::cksum_path $current_target_dir/$m] + set is_target_unmodified_since_install 0 + set target_cksum_compare "unknown" + set latest_install_record [punkcheck::recordlist::file_record_latest_installrecord $filerec] ;#may be no such record - in which case we get an empty list + if {[dict exists $latest_install_record -targets_cksums]} { + set last_install_cksum [dict get $latest_install_record -targets_cksums] ;#in this case we know there is only one as 'install' always uses targetset size of 1. (FILEINFO record per file in source folder) + if {[dict get $existing_tgt_cksum_info cksum] eq $last_install_cksum} { + set is_target_unmodified_since_install 1 + set target_cksum_compare "match" + } else { + set target_cksum_compare "nomatch" + } + } else { + set target_cksum_compare "norecord" + } + if {$is_target_unmodified_since_install} { + file copy -force $current_source_dir/$m $current_target_dir + set new_tgt_cksum_info [punk::mix::base::lib::cksum_path $current_target_dir/$m] + lappend files_copied $current_source_dir/$m + } else { + #either cksum is different or we were unable to verify the record. Either way we can't know if the target is in sync so we must skip it + set is_skip 1 + puts stderr "Skipping file copy $m target $current_target_dir/$m - require synced_target to overwrite - current target cksum compared to previous install: $target_cksum_compare" + lappend files_skipped $current_source_dir/$m + } + } else { + set is_skip 1 + lappend files_skipped $current_source_dir/$m + } + } + default { set is_skip 1 + puts stderr "Skipping file copy $m target $current_target_dir/$m already exists (use -overwrite all-targets to overwrite)" + #TODO! implement newer-targets older-targets? (note ctimes/mtimes are unreliable - may not be worth implementing) lappend files_skipped $current_source_dir/$m } - } else { - set is_skip 1 - puts stderr "Skipping file copy $m target $current_target_dir/$m already exists (use -overwrite all-targets to overwrite)" - #TODO! implement newer-targets older-targets? (note ctimes/mtimes are unreliable - may not be worth implementing) - lappend files_skipped $current_source_dir/$m } } } @@ -1578,11 +1588,15 @@ namespace eval punkcheck { set subdirs [glob -nocomplain -dir $current_source_dir -type d -tail *] set hiddensubdirs [glob -nocomplain -dir $current_source_dir -type {hidden d} -tail *] foreach h $hiddensubdirs { - if {$h in [list "." ".."]} { - continue - } - if {$h ni $subdirs} { - lappend subdirs $h + switch -- $h { + "." - ".." { + continue + } + default { + if {$h ni $subdirs} { + lappend subdirs $h + } + } } } } @@ -1730,8 +1744,24 @@ namespace eval punkcheck { } proc file_install_record_source_changes {install_record} { #reject INSTALLFAILED items ? - if {[dict get $install_record tag] ni [list "QUERY-INPROGRESS" "INSTALL-RECORD" "INSTALL-SKIPPED" "INSTALL-INPROGRESS" "MODIFY-INPROGRESS" "MODIFY-RECORD" "MODIFY-SKIPPED" "VIRTUAL-INPROGRESS" "VIRTUAL-RECORD" "VIRTUAL-SKIPPED" "DELETE-RECORD" "DELETE-INPROGRESS" "DELETE-SKIPPED"]} { - error "file_install_record_source_changes bad install record: tag '[dict get $install_record tag]' not INSTALL-RECORD|SKIPPED|INSTALL-INPROGRESS|MODIFY-RECORD|MODIFY-INPROGRESS|VIRTUAL-RECORD|VIRTUAL-INPROGRESS|DELETE-RECORD|DELETE-INPROGRESS" + switch -- [dict get $install_record tag] { + "QUERY-INPROGRESS" - + "INSTALL-RECORD" - + "INSTALL-SKIPPED" - + "INSTALL-INPROGRESS" - + "MODIFY-INPROGRESS" - + "MODIFY-RECORD" - + "MODIFY-SKIPPED" - + "VIRTUAL-INPROGRESS" - + "VIRTUAL-RECORD" - + "VIRTUAL-SKIPPED" - + "DELETE-RECORD" - + "DELETE-INPROGRESS" - + "DELETE-SKIPPED" { + } + default { + error "file_install_record_source_changes bad install record: tag '[dict get $install_record tag]' not INSTALL-RECORD|SKIPPED|INSTALL-INPROGRESS|MODIFY-RECORD|MODIFY-INPROGRESS|VIRTUAL-RECORD|VIRTUAL-INPROGRESS|DELETE-RECORD|DELETE-INPROGRESS" + } } set source_list [dict_getwithdefault $install_record body [list]] set changed [list] diff --git a/src/modules/punkcheck/cli-999999.0a1.0.tm b/src/modules/punkcheck/cli-999999.0a1.0.tm index 8a17a6a2..7040d3c7 100644 --- a/src/modules/punkcheck/cli-999999.0a1.0.tm +++ b/src/modules/punkcheck/cli-999999.0a1.0.tm @@ -108,15 +108,18 @@ namespace eval punkcheck::cli { if {[dict get $r tag] eq "SOURCE"} { set path [dict get $r -path] set changed [dict get $r -changed] - if {[dict get $r -type] eq "file"} { - lappend source_files $path - if {$changed} { - lappend source_files_changed $path + switch -- [dict get $r -type] { + file { + lappend source_files $path + if {$changed} { + lappend source_files_changed $path + } } - } elseif {[dict get $r -type] eq "directory"} { - lappend source_folders $path - if {$changed} { - lappend source_folders_changed $path + directory { + lappend source_folders $path + if {$changed} { + lappend source_folders_changed $path + } } } } @@ -203,15 +206,18 @@ namespace eval punkcheck::cli { if {[dict get $r tag] eq "SOURCE"} { set path [dict get $r -path] set changed [dict get $r -changed] - if {[dict get $r -type] eq "file"} { - lappend source_files $path - if {$changed} { - lappend source_files_changed $path + switch -- [dict get $r -type] { + file { + lappend source_files $path + if {$changed} { + lappend source_files_changed $path + } } - } elseif {[dict get $r -type] eq "directory"} { - lappend source_folders $path - if {$changed} { - lappend source_folders_changed $path + directory { + lappend source_folders $path + if {$changed} { + lappend source_folders_changed $path + } } } } diff --git a/src/modules/shellfilter-0.1.9.tm b/src/modules/shellfilter-0.1.9.tm index 1c747662..5f61e943 100644 --- a/src/modules/shellfilter-0.1.9.tm +++ b/src/modules/shellfilter-0.1.9.tm @@ -165,20 +165,25 @@ namespace eval shellfilter::ansi2 { #accept examples for foreground # 256f-# or 256fg-# or 256f# # rgbf--- or rgbfg--- or rgbf-- - if {[string match -nocase "256f*" $i]} { - set cc [string trim [string range $i 4 end] -gG] - lappend t "38;5;$cc" - } elseif {[string match -nocase 256b* $i]} { - set cc [string trim [string range $i 4 end] -gG] - lappend t "48;5;$cc" - } elseif {[string match -nocase rgbf* $i]} { - set rgb [string trim [string range $i 4 end] -gG] - lassign [split $rgb -] r g b - lappend t "38;2;$r;$g;$b" - } elseif {[string match -nocase rgbb* $i]} { - set rgb [string trim [string range $i 4 end] -gG] - lassign [split $rgb -] r g b - lappend t "48;2;$r;$g;$b" + switch -nocase -glob $i { + "256f*" { + set cc [string trim [string range $i 4 end] -gG] + lappend t "38;5;$cc" + } + "256b*" { + set cc [string trim [string range $i 4 end] -gG] + lappend t "48;5;$cc" + } + "rgbf*" { + set rgb [string trim [string range $i 4 end] -gG] + lassign [split $rgb -] r g b + lappend t "38;2;$r;$g;$b" + } + "rgbb*" { + set rgb [string trim [string range $i 4 end] -gG] + lassign [split $rgb -] r g b + lappend t "48;2;$r;$g;$b" + } } } } @@ -239,6 +244,7 @@ namespace eval shellfilter::ansi2 { namespace eval shellfilter::ansi { #maint warning - from overtype package + #stripansi is better/more comprehensive proc stripcodes {text} { #single "final byte" in the range 0x40–0x7E (ASCII @A–Z[\]^_`a–z{|}~). dict set escape_terminals CSI [list @ \\ ^ _ ` | ~ a b c d e f g h i j k l m n o p q r s t u v w x y z A B C D E F G H I J K L M N O P Q R S T U V W X Y Z "\{" "\}"] @@ -686,6 +692,9 @@ namespace eval shellfilter::chan { } } + + #this isn't a particularly nice thing to do to a stream - especially if someone isn't expecting ansi codes sprinkled through it. + #It can be useful for test/debugging oo::class create ansiwrap { variable o_trecord variable o_enc @@ -1024,10 +1033,13 @@ namespace eval shellfilter::stack { proc _get_stack_floaters {stack} { set floaters [list] foreach t [lreverse $stack] { - if {[dict get $t -action] eq "float"} { - lappend floaters $t - } else { - break + switch -- [dict get $t -action] { + float { + lappend floaters $t + } + default { + break + } } } return [lreverse $floaters] @@ -1299,88 +1311,96 @@ namespace eval shellfilter::stack { # but here it may help detect unexpected changes during lifetime of the stack and avoids the chance of callers incorrectly using the transform handle?) # jn set transform_record [list -id $id -chan $pipename -encoding [chan configure $localchan -encoding] -transform $transformname -aside {} {*}$args] - - if {$action in [list "float" "float-locked"]} { - set obj [$transformname new $transform_record] - set h [chan push $localchan $obj] - dict set transform_record -handle $h - dict set transform_record -obj $obj - lappend stack $transform_record - } elseif {$action in [list "locked" ""]} { - set floaters [_get_stack_floaters $stack] - if {![llength $floaters]} { + switch -glob -- $action { + float - float-locked { set obj [$transformname new $transform_record] set h [chan push $localchan $obj] dict set transform_record -handle $h dict set transform_record -obj $obj lappend stack $transform_record - } else { - set poplist $floaters - set stack [insert_transform $pipename $stack $transform_record $poplist] - } - } elseif {[string match sink* $action]} { - set redirinfo [_get_stack_top_redirection $stack] - set idx_existing_redir [dict get $redirinfo index] - if {$idx_existing_redir == -1} { - #no existing redirection transform on the stack - #pop everything.. add this record as the first redirection on the stack - set poplist $stack - set stack [insert_transform $pipename $stack $transform_record $poplist] - } else { - if {$action eq "sink-replace"} { - #include that index in the poplist - set poplist [lrange $stack $idx_existing_redir end] - #pop all from idx_existing_redir to end, but put back 'lrange $poplist 1 end' - set stack [insert_transform $pipename $stack $transform_record $poplist 1] - } elseif {[string match "sink-aside*" $action]} { - set existing_redir_record [lindex $stack $idx_existing_redir] - if {[string match "*locked*" [dict get $existing_redir_record -action]]} { - set put_aside 0 - #we can't aside this one - sit above it instead. - set poplist [lrange $stack $idx_existing_redir+1 end] - set stack [lrange $stack 0 $idx_existing_redir] - } else { - set put_aside 1 - dict set transform_record -aside [lindex $stack $idx_existing_redir] - set poplist [lrange $stack $idx_existing_redir end] - set stack [lrange $stack 0 $idx_existing_redir-1] - } - foreach p $poplist { - chan pop $localchan - } - set transformname [dict get $transform_record -transform] - set transform_settings [dict get $transform_record -settings] + } + "" - locked { + set floaters [_get_stack_floaters $stack] + if {![llength $floaters]} { set obj [$transformname new $transform_record] - set h [chan push $localchan $obj] + set h [chan push $localchan $obj] dict set transform_record -handle $h dict set transform_record -obj $obj - dict set transform_record -note "insert_transform-with-aside" lappend stack $transform_record - #add back poplist *except* the one we transferred into -aside (if we were able) - foreach p [lrange $poplist $put_aside end] { - set t [dict get $p -transform] - set tsettings [dict get $p -settings] - set obj [$t new $p] - set h [chan push $localchan $obj] - #retain previous -id - code that added it may have kept reference and not expecting it to change - dict set p -handle $h - dict set p -obj $obj - dict set p -note "re-added-after-sink-aside" - lappend stack $p - } } else { - #plain "sink" - #we only sink to the topmost redirecting filter - which makes sense for an output channel - #For stdin.. this is more problematic as we're more likely to want to intercept the bottom most redirection. - #todo - review. Consider making default insert position for input channels to be at the source... and float/sink from there. - # - we don't currently know from the stack api if adding input vs output channel - so this needs work to make intuitive. - # consider splitting stack::add to stack::addinput stack::addoutput to split the different behaviour - set poplist [lrange $stack $idx_existing_redir+1 end] + set poplist $floaters set stack [insert_transform $pipename $stack $transform_record $poplist] } } - } else { - error "shellfilter::stack::add unimplemented action '$action'" + "sink*" { + set redirinfo [_get_stack_top_redirection $stack] + set idx_existing_redir [dict get $redirinfo index] + if {$idx_existing_redir == -1} { + #no existing redirection transform on the stack + #pop everything.. add this record as the first redirection on the stack + set poplist $stack + set stack [insert_transform $pipename $stack $transform_record $poplist] + } else { + switch -glob -- $action { + "sink-replace" { + #include that index in the poplist + set poplist [lrange $stack $idx_existing_redir end] + #pop all from idx_existing_redir to end, but put back 'lrange $poplist 1 end' + set stack [insert_transform $pipename $stack $transform_record $poplist 1] + } + "sink-aside*" { + set existing_redir_record [lindex $stack $idx_existing_redir] + if {[string match "*locked*" [dict get $existing_redir_record -action]]} { + set put_aside 0 + #we can't aside this one - sit above it instead. + set poplist [lrange $stack $idx_existing_redir+1 end] + set stack [lrange $stack 0 $idx_existing_redir] + } else { + set put_aside 1 + dict set transform_record -aside [lindex $stack $idx_existing_redir] + set poplist [lrange $stack $idx_existing_redir end] + set stack [lrange $stack 0 $idx_existing_redir-1] + } + foreach p $poplist { + chan pop $localchan + } + set transformname [dict get $transform_record -transform] + set transform_settings [dict get $transform_record -settings] + set obj [$transformname new $transform_record] + set h [chan push $localchan $obj] + dict set transform_record -handle $h + dict set transform_record -obj $obj + dict set transform_record -note "insert_transform-with-aside" + lappend stack $transform_record + #add back poplist *except* the one we transferred into -aside (if we were able) + foreach p [lrange $poplist $put_aside end] { + set t [dict get $p -transform] + set tsettings [dict get $p -settings] + set obj [$t new $p] + set h [chan push $localchan $obj] + #retain previous -id - code that added it may have kept reference and not expecting it to change + dict set p -handle $h + dict set p -obj $obj + dict set p -note "re-added-after-sink-aside" + lappend stack $p + } + } + default { + #plain "sink" + #we only sink to the topmost redirecting filter - which makes sense for an output channel + #For stdin.. this is more problematic as we're more likely to want to intercept the bottom most redirection. + #todo - review. Consider making default insert position for input channels to be at the source... and float/sink from there. + # - we don't currently know from the stack api if adding input vs output channel - so this needs work to make intuitive. + # consider splitting stack::add to stack::addinput stack::addoutput to split the different behaviour + set poplist [lrange $stack $idx_existing_redir+1 end] + set stack [insert_transform $pipename $stack $transform_record $poplist] + } + } + } + } + default { + error "shellfilter::stack::add unimplemented action '$action'" + } } dict set pipelines $pipename stack $stack @@ -1706,17 +1726,21 @@ namespace eval shellfilter { } } else { #currently only () are used for word_bdepth - todo add all or some wordwrappers chars so that the word_bstack can have multiple active. - if {$char eq "("} { - incr word_bdepth - lappend word_bstack $char - append word $char - } elseif {$char eq ")"} { - incr word_bdepth -1 - set word_bstack [lrange $word_bstack 0 end-1] - append word $char - } else { - #spaces and chars added to word as it's still in a bracketed section - append word $char + switch -- $char { + "(" { + incr word_bdepth + lappend word_bstack $char + append word $char + } + ")" { + incr word_bdepth -1 + set word_bstack [lrange $word_bstack 0 end-1] + append word $char + } + default { + #spaces and chars added to word as it's still in a bracketed section + append word $char + } } } } @@ -1801,14 +1825,18 @@ namespace eval shellfilter { } } } else { - if {$char eq "("} { - incr word_bdepth - append word $char - } elseif {$char eq ")"} { - incr word_bdepth -1 - append word $char - } else { - append word $char + switch -- $char { + "(" { + incr word_bdepth + append word $char + } + ")" { + incr word_bdepth -1 + append word $char + } + default { + append word $char + } } } } @@ -1849,13 +1877,15 @@ namespace eval shellfilter { #only double quote if argument not quoted with single or double quotes proc dquote_if_not_quoted {a} { - if {([string range $a 0 0] eq {"}) && ([string range $a end end] eq {"})} { - return $a - } elseif {([string range $a 0 0] eq {'}) && ([string range $a end end] eq {'})} { - return $a - } else { - set newinner [string map [list {"} "\\\""] $a] - return "\"$newinner\"" + set wrapchars [string cat [string range $a 0 0] [string range $a end end]] + switch -- $wrapchars { + {""} - {''} { + return $a + } + default { + set newinner [string map [list {"} "\\\""] $a] + return "\"$newinner\"" + } } } @@ -1863,12 +1893,16 @@ namespace eval shellfilter { #wrap in double quotes if not double-quoted proc dquote_if_not_dquoted {a} { - if {([string range $a 0 0] eq {"}) && ([string range $a end end] eq {"})} { - return $a - } else { - #escape any inner quotes.. - set newinner [string map [list {"} "\\\""] $a] - return "\"$newinner\"" + set wrapchars [string cat [string range $a 0 0] [string range $a end end]] + switch -- $wrapchars { + {""} { + return $a + } + default { + #escape any inner quotes.. + set newinner [string map [list {"} "\\\""] $a] + return "\"$newinner\"" + } } } proc dquote {a} { @@ -2122,8 +2156,26 @@ namespace eval shellfilter { } set invalid_flags [list] dict for {k -} $args { - if {$k ni $valid_flags} { - lappend invalid_flags $k + switch -- $k { + -timeout - + -outprefix - + -errprefix - + -debug - + -copytempfile - + -outbuffering - + -errbuffering - + -inbuffering - + -readprocesstranslation - + -outtranslation - + -stdinhandler - + -outchan - + -errchan - + -inchan - + -teehandle { + } + default { + lappend invalid_flags $k + } } } if {[llength $invalid_flags]} { @@ -2182,36 +2234,39 @@ namespace eval shellfilter { lassign [chan pipe] rderr wrerr chan configure $wrerr -blocking 0 + set custom_stderr "" set lastitem [lindex $commandlist end] #todo - ensure we can handle 2> file (space after >) - if {[string trim [lindex $commandlist end]] eq "&"} { - set name [lindex $commandlist 0] - #background execution - stdout and stderr from child still comes here - but process is backgrounded - #FIX! - this is broken for paths with backslashes for example - #set pidlist [exec {*}[concat $name [lrange $commandlist 1 end]]] - set pidlist [exec {*}$commandlist] - return [list pids $pidlist] - } - #review - reconsider the handling of redirections such that tcl-style are handled totally separately to other shell syntaxes! # #note 2>@1 must ocur as last word for tcl - but 2@stdout can occur elsewhere #(2>@stdout echoes to main stdout - not into pipeline) #To properly do pipelines it looks like we will have to split on | and call this proc multiple times and wire it up accordingly (presumably in separate threads) - set custom_stderr "" - if {[string trim $lastitem] in [list {2>&1} {2>@1}]} { - set custom_stderr {2>@1} ;#use the tcl style - set commandlist [lrange $commandlist 0 end-1] - } else { - # 2> filename - # 2>> filename - # 2>@ openfileid - set redir2test [string range $lastitem 0 1] - if {$redir2test eq "2>"} { - set custom_stderr $lastitem + + switch -- [string trim $lastitem] { + {&} { + set name [lindex $commandlist 0] + #background execution - stdout and stderr from child still comes here - but process is backgrounded + #FIX! - this is broken for paths with backslashes for example + #set pidlist [exec {*}[concat $name [lrange $commandlist 1 end]]] + set pidlist [exec {*}$commandlist] + return [list pids $pidlist] + } + {2>&1} - {2>@1} { + set custom_stderr {2>@1} ;#use the tcl style set commandlist [lrange $commandlist 0 end-1] } + default { + # 2> filename + # 2>> filename + # 2>@ openfileid + set redir2test [string range $lastitem 0 1] + if {$redir2test eq "2>"} { + set custom_stderr $lastitem + set commandlist [lrange $commandlist 0 end-1] + } + } } set lastitem [lindex $commandlist end] @@ -2224,12 +2279,14 @@ namespace eval shellfilter { ::shellfilter::log::write $runtag "checking for redirections in $commandlist" #sometimes we see a redirection without a following space e.g >C:/somewhere #normalize - if {[regexp {^>[/[:alpha:]]+} $lastitem]} { - set lastitem "> [string range $lastitem 1 end]" - } - if {[regexp {^>>[/[:alpha:]]+} $lastitem]} { - set lastitem ">> [string range $lastitem 2 end]" - } + switch -regexp -- $lastitem\ + {^>[/[:alpha:]]+} { + set lastitem "> [string range $lastitem 1 end]" + }\ + {^>>[/[:alpha:]]+} { + set lastitem ">> [string range $lastitem 2 end]" + } + #for a redirection, we assume either a 2-element list at tail of form {> {some path maybe with spaces}} #or that the tail redirection is not wrapped.. x y z > {some path maybe with spaces} @@ -2285,51 +2342,53 @@ namespace eval shellfilter { } set commandlist [lrange $commandlist 0 end-1] - } elseif {[lindex $commandlist end-1] in [list ">>" ">"]} { - #unwrapped redirection - #we should be able to use list operations like lindex and lrange here as the command itself is hopefully still a well formed list - set redir [lindex $commandlist end-1] - set redirtarget [lindex $commandlist end] - set commandlist [lrange $commandlist 0 end-2] - } else { - #no redirection - set redir "" - set redirtarget "" - #no change to command list - } - + } elseif {[lindex $commandlist end-1] in [list ">>" ">"]} { + #unwrapped redirection + #we should be able to use list operations like lindex and lrange here as the command itself is hopefully still a well formed list + set redir [lindex $commandlist end-1] + set redirtarget [lindex $commandlist end] + set commandlist [lrange $commandlist 0 end-2] + } else { + #no redirection + set redir "" + set redirtarget "" + #no change to command list + } - if {$redir in [list ">>" ">"]} { - set redirtarget [string trim $redirtarget "\""] - ::shellfilter::log::write $runtag " have redirection '$redir' to '$redirtarget'" - + switch -- $redir { + ">>" - ">" { + set redirtarget [string trim $redirtarget "\""] + ::shellfilter::log::write $runtag " have redirection '$redir' to '$redirtarget'" - set winfile $redirtarget ;#default assumption - if {[string match "/c/*" $redirtarget]} { - set winfile "c:/[string range $redirtarget 3 end]" - } - if {[string match "/mnt/c/*" $redirtarget]} { - set winfile "c:/[string range $redirtarget 7 end]" - } + set winfile $redirtarget ;#default assumption + switch -glob -- $redirtarget { + "/c/*" { + set winfile "c:/[string range $redirtarget 3 end]" + } + "/mnt/c/*" { + set winfile "c:/[string range $redirtarget 7 end]" + } + } - if {[file exists [file dirname $winfile]]} { - #containing folder for target exists - if {$redir eq ">"} { - set teefile "write" - } else { - set teefile "append" + if {[file exists [file dirname $winfile]]} { + #containing folder for target exists + if {$redir eq ">"} { + set teefile "write" + } else { + set teefile "append" + } + ::shellfilter::log::write $runtag "Directory exists '[file dirname $winfile]' operation:$teefile" + } else { + #we should be writing to a file.. but can't + ::shellfilter::log::write $runtag "cannot verify directory exists '[file dirname $winfile]'" + } } - ::shellfilter::log::write $runtag "Directory exists '[file dirname $winfile]' operation:$teefile" - - } else { - #we should be writing to a file.. but can't - ::shellfilter::log::write $runtag "cannot verify directory exists '[file dirname $winfile]'" + default { + ::shellfilter::log::write $runtag "No redir found!!" + } + } - } - } else { - ::shellfilter::log::write $runtag "No redir found!!" - } #often first element of command list is wrapped and cannot be run directly #e.g {{ls -l} {> {temp.tmp}}} #we will assume that if there is a single element which is a pathname containing a space - it is doubly wrapped. @@ -2456,11 +2515,11 @@ namespace eval shellfilter { #} else { # puts stderr "stderr reader: pid [lindex $pids 0] still running" #} - chan close $chan - #catch {chan close $wrerr} - if {$other ni [chan names]} { - set $waitfor stderr - } + chan close $chan + #catch {chan close $wrerr} + if {$other ni [chan names]} { + set $waitfor stderr + } } }} $rderr $rdout $wrerr $outchan $errchan $waitvar $errprefix $errbuffering $debug $debugname $command_pids] } diff --git a/src/modules/shellrun-0.1.1.tm b/src/modules/shellrun-0.1.1.tm index ac895e84..baf95b31 100644 --- a/src/modules/shellrun-0.1.1.tm +++ b/src/modules/shellrun-0.1.1.tm @@ -141,12 +141,12 @@ namespace eval shellrun { set nonewline 0 } set idlist_stderr [list] - #we leave stdout without imposed ansi colouring - because the source may be colourised - #stderr might have source colouring - but it usually doesn't seem to, and the visual distiction of red stderr is very handy for the run command. + #we leave stdout without imposed ansi colouring - because the source may be colourised and because ansi-wrapping a stream at whatever boundaries it comes in at isn't a really nice thing to do. + #stderr might have source colouring - but it usually doesn't seem to, and the visual distiction of red stderr can be very handy for the run command. #A further enhancement could be to detect well-known options such as --color and/or use a configuration for specific commands that have useful colourised stderr, - #but defaulting stderr to red is a compromise. + #but having an option to configure stderr to red is a compromise. #Note that the other run commands, runout,runerr, runx don't emit in real-time - so for those commands there may be options to detect and/or post-process stdout and stderr. - #TODO - fix. This has no effect because the repl adds an ansiwrap transform + #TODO - fix. This has no effect if/when the repl adds an ansiwrap transform # what we probably want to do is 'aside' that transform for runxxx commands only. #lappend idlist_stderr [shellfilter::stack::add stderr ansiwrap -settings {-colour {red bold}}] diff --git a/src/modules/textblock-999999.0a1.0.tm b/src/modules/textblock-999999.0a1.0.tm index 80a50cf6..2b50b338 100644 --- a/src/modules/textblock-999999.0a1.0.tm +++ b/src/modules/textblock-999999.0a1.0.tm @@ -42,6 +42,7 @@ namespace eval textblock { #return a homogenous block of characters - ie lines all same length, all same character #printing-width in terminal columns is not necessarily same as blockwidth even if a single char is passed (could be full-width unicode character) + #This can have ansi SGR codes - but to repeat blocks containing ansi-movements, the block should first be rendered to a static output with something like overtype::left proc block {blockwidth blockheight {char " "}} { if {$blockwidth < 0} { error "textblock::block blockwidth must be an integer greater than or equal to zero" @@ -50,15 +51,17 @@ namespace eval textblock { error "textblock::block blockheight must be a positive integer" } if {$char eq ""} {return ""} + #using string length is ok if {[string length $char] == 1} { set row [string repeat $char $blockwidth] set mtrx [lrepeat $blockheight $row] return [::join $mtrx \n] } else { set charblock [string map [list \r\n \n] $char] - if {[string first \n $charblock] >= 0} { + if {[string last \n $charblock] >= 0} { if {$blockwidth > 1} { - set row [.= val $charblock {*}[lrepeat [expr {$blockwidth -1}] |> piper_blockjoin $charblock]] + #set row [.= val $charblock {*}[lrepeat [expr {$blockwidth -1}] |> piper_blockjoin $charblock]] ;#building a repeated "|> command arg" list to evaluate as a pipeline. (from before textblock::join could take arbitrary num of blocks ) + set row [textblock::join {*}[lrepeat $blockwidth $charblock]] } else { set row $charblock } @@ -72,34 +75,34 @@ namespace eval textblock { #todo - consider 'elastic tabstops' for textblocks where tab acts as a column separator and adjacent lines with the same number of tabs form a sort of table proc width {textblock} { - #backspaces, vertical tabs,carriage returns - + #backspaces, vertical tabs ? if {$textblock eq ""} { return 0 } - #textutil::tabify is a reasonable hack when there are no ansi SGR codes - but probably not always what we want even then - review - set textblock [textutil::tabify::untabify2 $textblock] - - if {[string first \n $textblock] >= 0} { - return [tcl::mathfunc::max {*}[lmap v [punk::lib::lines_as_list -- $textblock] {::punk::char::ansifreestring_width [stripansi $v]}]] + if {[string last \t $textblock] >= 0} { + if {[info exists punk::console::tabwidth]} { + set tw $::punk::console::tabwidth + } else { + set tw 8 + } + set textblock [textutil::tabify::untabify2 $textblock $tw] } - return [punk::char::ansifreestring_width [stripansi $textblock]] - } - proc width_naive {textblock} { - # doesn't deal with backspaces, vertical tabs,carriage returns, ansi movements - - if {$textblock eq ""} { - return 0 + if {[punk::ansi::ta::detect $textblock]} { + set textblock [punk::ansi::stripansi $textblock] } - - set textblock [textutil::tabify::untabify2 $textblock] ;#a reasonable hack - but probably not always what we want - review - - if {[string first \n $textblock] >= 0} { - return [tcl::mathfunc::max {*}[lmap v [punk::lib::lines_as_list -- $textblock] {::punk::char::string_width [stripansi $v]}]] + if {[string last \n $textblock] >= 0} { + return [tcl::mathfunc::max {*}[lmap v [split $textblock \n] {::punk::char::ansifreestring_width $v}]] } - return [punk::char::string_width [stripansi $textblock]] + return [punk::char::ansifreestring_width $textblock] } + #uses tcl's string length on each line. Length will include chars in ansi codes etc - this is not a 'width' determining function. + proc string_length_line_max textblock { + tcl::mathfunc::max {*}[lmap v [split $textblock \n] {string length $v}] + } + proc string_length_line_min textblock { + tcl::mathfunc::min {*}[lmap v [split $textblock \n] {string length $v}] + } proc height {textblock} { #This is the height as it will/would-be rendered - not the number of input lines purely in terms of le #empty string still has height 1 (at least for left-right/right-left languages) @@ -115,11 +118,22 @@ namespace eval textblock { if {$textblock eq ""} { return [dict create width 0 height 1] ;#no such thing as zero-height block - for consistency with non-empty strings having no line-endings } - set textblock [textutil::tabify::untabify2 $textblock] + #strangely - string last (windows tcl8.7 anway) is faster than string first for large strings when the needle not in the haystack + if {[string last \t $textblock] >= 0} { + if {[info exists punk::console::tabwidth]} { + set tw $::punk::console::tabwidth + } else { + set tw 8 + } + set textblock [textutil::tabify::untabify2 $textblock $tw] + } #stripansi on entire block in one go rather than line by line - result should be the same - review - make tests - set textblock [punk::ansi::stripansi $textblock] - if {[string first \n $textblock] >= 0} { - set width [tcl::mathfunc::max {*}[lmap v [punk::lib::lines_as_list -- $textblock] {::punk::char::ansifreestring_width $v}]] + if {[punk::ansi::ta::detect $textblock]} { + set textblock [punk::ansi::stripansi $textblock] + } + if {[string last \n $textblock] >= 0} { + #set width [tcl::mathfunc::max {*}[lmap v [punk::lib::lines_as_list -- $textblock] {::punk::char::ansifreestring_width $v}]] + set width [tcl::mathfunc::max {*}[lmap v [split $textblock \n] {::punk::char::ansifreestring_width $v}]] } else { set width [punk::char::ansifreestring_width $textblock] } @@ -137,8 +151,13 @@ namespace eval textblock { if {$block eq ""} { return 0 } - set block [textutil::tabify::untabify2 $block] - if {[string first \n $block] >= 0} { + if {[info exists punk::console::tabwidth]} { + set tw $::punk::console::tabwidth + } else { + set tw 8 + } + set block [textutil::tabify::untabify2 $block $tw] + if {[string last \n $block] >= 0} { return [tcl::mathfunc::max {*}[lmap v [punk::lib::lines_as_list -- $block] {::punk::char::string_width [stripansi $v]}]] } if {[catch {llength $block}]} { @@ -230,26 +249,44 @@ namespace eval textblock { } return [punk::lib::list_as_lines -- $outlines] } + + #for joining 'rendered' blocks of plain or ansi text. Being 'rendered' means they are without ansi movement sequences as these have been processed proc ::textblock::join {args} { - lassign [punk::args::opts_values { - blocks -type string -multiple 1 - } $args] _o opts _v values - set blocks [dict get $values blocks] + #lassign [punk::lib::opts_values { + # blocks -type string -multiple 1 + #} $args] _o opts _v values + #set blocks [dict get $values blocks] + if {[lindex $args 0] eq "--"} { + set blocks [lrange $args 1 end] + } else { + set blocks $args + } set idx 0 set fordata [list] + set colindices [list] foreach b $blocks { set c($idx) [string repeat " " [width $b]] - #lappend fordata "v($idx)" [punk::lib::lines_as_list -- $b] - lappend fordata "v($idx)" [punk::lib::lines_as_list -ansiresets 1 -- $b] + set w($idx) [width $b] ;#we need the width of a rendered block for per-row renderline calls + #fairly commonly a block may be a vertical list of chars e.g something like 1\n2\n3 or -\n-\n-\n- + #for determining a shortcut to avoid unnecessary ta::detect - (e.g width <=1) we can't use result of textblock::width as it strips ansi. + #testing of any decent size block line by line - even with max_string_length_line is slower than ta::detect anyway. + if {[punk::ansi::ta::detect $b]} { + lappend fordata "v($idx)" [punk::lib::lines_as_list -ansiresets 1 -- $b] + } else { + #each block is being rendered into its own empty column - we don't need resets if it has no ansi, even if blocks to left and right do have ansi + lappend fordata "v($idx)" [split $b \n] + } + lappend colindices $idx incr idx } set outlines [list] - set colindices [lsort -integer -increasing [array names c]] + #set colindices [lsort -integer -increasing [array names c]] foreach {*}$fordata { set row "" foreach colidx $colindices { - append row [overtype::left $c($colidx) $v($colidx)] + #we know we have a single line, no ansi in underlay and no overflow required - so we can use renderline directly + append row [overtype::renderline -width $w($colidx) -insert_mode 0 -info 0 $c($colidx) $v($colidx)] } lappend outlines $row } @@ -292,6 +329,7 @@ namespace eval textblock { set 2frames_b [textblock::join [textblock::frame -ansiborder $cyanb -title "plainpunks" $punks] [textblock::frame -ansiborder $greenb -title "fancypunks" $cpunks]] append out [textblock::frame -title "punks" $2frames_b\n$RST$2frames_a] \n append out [overtype::right [overtype::left [textblock::frame -ansiborder [a+ green bold] -type unicode_box_heavy -title ${redb}PATTERN$RST -subtitle ${redb}PUNK$RST $prightair_cyanb] "$blueb\n\n\P\nU\nN\nK$RST"] "$blueb\n\nL\nI\nF\nE"] \n + #append out [textblock::frame -title gr $gr0] return $out } @@ -311,8 +349,6 @@ namespace eval textblock { } proc frame {args} { - package require punk::char - set contents [lindex $args end] set arglist [lrange $args 0 end-1] if {[llength $arglist] % 2 != 0} { @@ -321,6 +357,7 @@ namespace eval textblock { #todo args -justify left|centre|right (center) set defaults [dict create\ + -etabs 0\ -type unicode_box\ -title ""\ -subtitle ""\ @@ -330,11 +367,15 @@ namespace eval textblock { ] set opts [dict merge $defaults $arglist] foreach {k v} $opts { - if {$k ni [dict keys $defaults]} { - error "frame option '$k' not understood. Valid options are [dict keys $defaults]" + switch -- $k { + -etabs - -type - -title - -subtitle - -width - -ansiborder - -align {} + default { + error "frame option '$k' not understood. Valid options are [dict keys $defaults]" + } } } # -- --- --- --- --- --- + set opt_etabs [dict get $opts -etabs] set opt_type [dict get $opts -type] set known_types [list unicode_box unicode_box_heavy unicode_arc unicode_double ascii altg] set default_custom [dict create hl " " vl " " tlc " " trc " " blc " " brc " "] @@ -344,9 +385,13 @@ namespace eval textblock { if {[llength $opt_type] %2 == 0} { #custom dict may leave out keys - but cannot have unknown keys dict for {k v} $opt_type { - if {$k ni $custom_keys} { - set is_custom_dict_ok 0 - break + switch -- $k { + hl - hlt - hlb - vl - vll - vlr - tlc - trc - blc - brc {} + default { + #k not in custom_keys + set is_custom_dict_ok 0 + break + } } } } else { @@ -364,15 +409,27 @@ namespace eval textblock { # -- --- --- --- --- --- set opt_align [dict get $opts -align] set opt_align [string tolower $opt_align] - if {$opt_align ni [list left right centre center]} { - #these are all valid commands for overtype:: - error "frame option -align must be left|right|centre|center - received: $$opt_align" + switch -- $opt_align { + left - right - centre - center {} + default { + error "frame option -align must be left|right|centre|center - received: $$opt_align" + } } + #these are all valid commands for overtype:: # -- --- --- --- --- --- set opt_ansiborder [dict get $opts -ansiborder] # -- --- --- --- --- --- - set contents [textutil::tabify::untabify2 $contents] + if {[string last \t $contents] >= 0} { + if {[info exists punk::console::tabwidth]} { + set tw $::punk::console::tabwidth + } else { + set tw 8 + } + if {$opt_etabs} { + set contents [textutil::tabify::untabify2 $contents $tw] + } + } set contents [string map [list \r\n \n] $contents] set actual_contentwidth [width $contents] @@ -394,156 +451,164 @@ namespace eval textblock { set linecount [textblock::height $contents] set rst [a] set column [string repeat " " $contentwidth] ;#default - may need to override for custom frame - if {$opt_type eq "altg"} { - #old style ansi escape sequences with alternate graphics page G0 - set hl [cd::hl] - set hlt $hl - set hlb $hl - set vl [cd::vl] - set vll $vl - set vlr $vl - set tlc [cd::tlc] - set trc [cd::trc] - set blc [cd::blc] - set brc [cd::brc] - set tbar [string repeat $hl $contentwidth] - set tbar [cd::groptim $tbar] - set bbar $tbar - } elseif {$opt_type eq "ascii"} { - set hl - - set hlt - - set hlb - - set vl | - set vll | - set vlr | - set tlc + - set trc + - set blc + - set brc + - set tbar [string repeat - $contentwidth] - set bbar $tbar - } elseif {$opt_type eq "unicode_box"} { - #unicode box drawing set - set hl [punk::char::charshort boxd_lhz] ;# light horizontal - set hlt $hl - set hlb $hl - set vl [punk::char::charshort boxd_lv] ;#light vertical - set vll $vl - set vlr $vl - set tlc [punk::char::charshort boxd_ldr] - set trc [punk::char::charshort boxd_ldl] - set blc [punk::char::charshort boxd_lur] - set brc [punk::char::charshort boxd_lul] - set tbar [string repeat $hl $contentwidth] - set bbar $tbar - } elseif {$opt_type eq "unicode_box_heavy"} { - #unicode box drawing set - set hl [punk::char::charshort boxd_hhz] ;# light horizontal - set hlt $hl - set hlb $hl - set vl [punk::char::charshort boxd_hv] ;#light vertical - set vll $vl - set vlr $vl - set tlc [punk::char::charshort boxd_hdr] - set trc [punk::char::charshort boxd_hdl] - set blc [punk::char::charshort boxd_hur] - set brc [punk::char::charshort boxd_hul] - set tbar [string repeat $hl $contentwidth] - set bbar $tbar - } elseif {$opt_type eq "unicode_double"} { - #unicode box drawing set - set hl [punk::char::charshort boxd_dhz] ;# double horizontal \U2550 - set hlt $hl - set hlb $hl - set vl [punk::char::charshort boxd_dv] ;#double vertical \U2551 - set vll $vl - set vlr $vl - set tlc [punk::char::charshort boxd_ddr] ;#double down and right \U2554 - set trc [punk::char::charshort boxd_ddl] ;#double down and left \U2557 - set blc [punk::char::charshort boxd_dur] ;#double up and right \U255A - set brc [punk::char::charshort boxd_dul] ;#double up and left \U255D - set tbar [string repeat $hl $contentwidth] - set bbar $tbar - } elseif {$opt_type eq "unicode_arc"} { - #unicode box drawing set - set hl [punk::char::charshort boxd_lhz] ;# light horizontal - set hlt $hl - set hlb $hl - set vl [punk::char::charshort boxd_lv] ;#light vertical - set vll $vl - set vlr $vl - set tlc [punk::char::charshort boxd_ladr] ;#light arc down and right \U256D - set trc [punk::char::charshort boxd_ladl] ;#light arc down and left \U256E - set blc [punk::char::charshort boxd_laur] ;#light arc up and right \U2570 - set brc [punk::char::charshort boxd_laul] ;#light arc up and left \U256F - set tbar [string repeat $hl $contentwidth] - set bbar $tbar - } else { - dict with custom_frame {} ;#extract keys as vars - if {[dict exists $custom_frame hlt]} { - set hlt [dict get $custom_frame hlt] - } else { + switch -- $opt_type { + "altg" { + #old style ansi escape sequences with alternate graphics page G0 + set hl [cd::hl] + set hlt $hl + set hlb $hl + set vl [cd::vl] + set vll $vl + set vlr $vl + set tlc [cd::tlc] + set trc [cd::trc] + set blc [cd::blc] + set brc [cd::brc] + set tbar [string repeat $hl $contentwidth] + set tbar [cd::groptim $tbar] + set bbar $tbar + } + "ascii" { + set hl - + set hlt - + set hlb - + set vl | + set vll | + set vlr | + set tlc + + set trc + + set blc + + set brc + + set tbar [string repeat - $contentwidth] + set bbar $tbar + } + "unicode_box" { + #unicode box drawing set + set hl [punk::char::charshort boxd_lhz] ;# light horizontal set hlt $hl + set hlb $hl + set vl [punk::char::charshort boxd_lv] ;#light vertical + set vll $vl + set vlr $vl + set tlc [punk::char::charshort boxd_ldr] + set trc [punk::char::charshort boxd_ldl] + set blc [punk::char::charshort boxd_lur] + set brc [punk::char::charshort boxd_lul] + set tbar [string repeat $hl $contentwidth] + set bbar $tbar } - set hlt_width [punk::ansi::printing_length $hlt] - if {[dict exists $custom_frame hlb]} { - set hlb [dict get $custom_frame hlb] - } else { + "unicode_box_heavy" { + #unicode box drawing set + set hl [punk::char::charshort boxd_hhz] ;# light horizontal + set hlt $hl set hlb $hl + set vl [punk::char::charshort boxd_hv] ;#light vertical + set vll $vl + set vlr $vl + set tlc [punk::char::charshort boxd_hdr] + set trc [punk::char::charshort boxd_hdl] + set blc [punk::char::charshort boxd_hur] + set brc [punk::char::charshort boxd_hul] + set tbar [string repeat $hl $contentwidth] + set bbar $tbar } - set hlb_width [punk::ansi::printing_length $hlb] - - if {[dict exists $custom_frame vll]} { - set vll [dict get $custom_frame vll] - } else { + "unicode_double" { + #unicode box drawing set + set hl [punk::char::charshort boxd_dhz] ;# double horizontal \U2550 + set hlt $hl + set hlb $hl + set vl [punk::char::charshort boxd_dv] ;#double vertical \U2551 set vll $vl + set vlr $vl + set tlc [punk::char::charshort boxd_ddr] ;#double down and right \U2554 + set trc [punk::char::charshort boxd_ddl] ;#double down and left \U2557 + set blc [punk::char::charshort boxd_dur] ;#double up and right \U255A + set brc [punk::char::charshort boxd_dul] ;#double up and left \U255D + set tbar [string repeat $hl $contentwidth] + set bbar $tbar } - set vll_width [punk::ansi::printing_length $vll] - if {[dict exists $custom_frame vlr]} { - set vlr [dict get $custom_frame vlr] - } else { + "unicode_arc" { + #unicode box drawing set + set hl [punk::char::charshort boxd_lhz] ;# light horizontal + set hlt $hl + set hlb $hl + set vl [punk::char::charshort boxd_lv] ;#light vertical + set vll $vl set vlr $vl + set tlc [punk::char::charshort boxd_ladr] ;#light arc down and right \U256D + set trc [punk::char::charshort boxd_ladl] ;#light arc down and left \U256E + set blc [punk::char::charshort boxd_laur] ;#light arc up and right \U2570 + set brc [punk::char::charshort boxd_laul] ;#light arc up and left \U256F + set tbar [string repeat $hl $contentwidth] + set bbar $tbar } - set vlr_width [punk::ansi::printing_length $vlr] + default { + dict with custom_frame {} ;#extract keys as vars + if {[dict exists $custom_frame hlt]} { + set hlt [dict get $custom_frame hlt] + } else { + set hlt $hl + } + set hlt_width [punk::ansi::printing_length $hlt] + if {[dict exists $custom_frame hlb]} { + set hlb [dict get $custom_frame hlb] + } else { + set hlb $hl + } + set hlb_width [punk::ansi::printing_length $hlb] - set tlc_width [punk::ansi::printing_length $tlc] - set trc_width [punk::ansi::printing_length $trc] - set blc_width [punk::ansi::printing_length $blc] - set brc_width [punk::ansi::printing_length $brc] + if {[dict exists $custom_frame vll]} { + set vll [dict get $custom_frame vll] + } else { + set vll $vl + } + set vll_width [punk::ansi::printing_length $vll] + if {[dict exists $custom_frame vlr]} { + set vlr [dict get $custom_frame vlr] + } else { + set vlr $vl + } + set vlr_width [punk::ansi::printing_length $vlr] + set tlc_width [punk::ansi::printing_length $tlc] + set trc_width [punk::ansi::printing_length $trc] + set blc_width [punk::ansi::printing_length $blc] + set brc_width [punk::ansi::printing_length $brc] - set framewidth [expr {$contentwidth + 2}] ;#reverse default assumption - if {$opt_width eq ""} { - #width wasn't specified - so user is expecting frame to adapt to title/contents - #content shouldn't truncate because of extra wide frame - set contentwidth $content_or_title_width - set tbarwidth [expr {$content_or_title_width + 2 - $tlc_width - $trc_width - 2 + $vll_width + $vlr_width}] ;#+/2's for difference between border element widths and standard element single-width - set bbarwidth [expr {$content_or_title_width + 2 - $blc_width - $brc_width - 2 + $vll_width + $vlr_width}] - } else { - set contentwidth [expr $opt_width - $vll_width - $vlr_width] ;#content may be truncated - set tbarwidth [expr {$opt_width - $tlc_width - $trc_width}] - set bbarwidth [expr {$opt_width - $blc_width - $brc_width}] - } - set column [string repeat " " $contentwidth] - if {$hlt_width == 1} { - set tbar [string repeat $hlt $tbarwidth] - } else { - #possibly mixed width chars that make up hlt - string range won't get width right - set blank [string repeat " " $tbarwidth] - set count [expr {($tbarwidth / $hlt_width) + 1}] - set tbar [string repeat $hlt $count] - #set tbar [string range $tbar 0 $tbarwidth-1] - set tbar [overtype::left -overflow 0 -exposed1 " " -exposed2 " " $blank $tbar];#spaces for exposed halves of 2w chars instead of default replacement character - } - if {$hlb_width == 1} { - set bbar [string repeat $hlb $bbarwidth] - } else { - set blank [string repeat " " $bbarwidth] - set count [expr {($bbarwidth / $hlb_width) + 1}] - set bbar [string repeat $hlb $count] - #set bbar [string range $bbar 0 $bbarwidth-1] - set bbar [overtype::left -overflow 0 -exposed1 " " -exposed2 " " $blank $bbar] + set framewidth [expr {$contentwidth + 2}] ;#reverse default assumption + if {$opt_width eq ""} { + #width wasn't specified - so user is expecting frame to adapt to title/contents + #content shouldn't truncate because of extra wide frame + set contentwidth $content_or_title_width + set tbarwidth [expr {$content_or_title_width + 2 - $tlc_width - $trc_width - 2 + $vll_width + $vlr_width}] ;#+/2's for difference between border element widths and standard element single-width + set bbarwidth [expr {$content_or_title_width + 2 - $blc_width - $brc_width - 2 + $vll_width + $vlr_width}] + } else { + set contentwidth [expr $opt_width - $vll_width - $vlr_width] ;#content may be truncated + set tbarwidth [expr {$opt_width - $tlc_width - $trc_width}] + set bbarwidth [expr {$opt_width - $blc_width - $brc_width}] + } + set column [string repeat " " $contentwidth] + + if {$hlt_width == 1} { + set tbar [string repeat $hlt $tbarwidth] + } else { + #possibly mixed width chars that make up hlt - string range won't get width right + set blank [string repeat " " $tbarwidth] + set count [expr {($tbarwidth / $hlt_width) + 1}] + set tbar [string repeat $hlt $count] + #set tbar [string range $tbar 0 $tbarwidth-1] + set tbar [overtype::left -overflow 0 -exposed1 " " -exposed2 " " $blank $tbar];#spaces for exposed halves of 2w chars instead of default replacement character + } + if {$hlb_width == 1} { + set bbar [string repeat $hlb $bbarwidth] + } else { + set blank [string repeat " " $bbarwidth] + set count [expr {($bbarwidth / $hlb_width) + 1}] + set bbar [string repeat $hlb $count] + #set bbar [string range $bbar 0 $bbarwidth-1] + set bbar [overtype::left -overflow 0 -exposed1 " " -exposed2 " " $blank $bbar] + } } } #keep lhs/rhs separate? can we do vertical text on sidebars? diff --git a/src/testansi/beastie.ans b/src/testansi/beastie.ans new file mode 100644 index 00000000..32bba236 --- /dev/null +++ b/src/testansi/beastie.ans @@ -0,0 +1,76 @@ +²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²² +²²²²²²²²²²²²²²²²²²² °°°ÛÛ°°°°°°°°°°°°°°°°°°°°ÛÛ +°°°°°°°°°°°°°°°°°°°°°°°°ÛÛ°°°°°°°°°°°°°°°°°°°° +ÛÛ°°°  ÛÛ ÛÛÛ ÛÛ  +ÛÛÛ ÛÛ ÛÛ ÛÛÛ ÛÛ ÛÛ +Û ÛÛ ÛÛ ÛÛÛ Û ÜÜÜÜÜÜÜÜ + Û ÛÛÛ ÛÛ ÛÛ ÛÛÛ Û  +Û ÛÜܰ² ²°ÜÜÛ Û Û ÛÛÛ ÛÛ ÛÛ  +ÛÛÛ Û²±°±°°±²Û  +ÛÛÛ ÛÛ ÛÛ ÛÛÛ Û Û±² +°±±°±²Û Û ÛÛÛ ÛÛ ÛÛ ÛÛÛ  +Û °±°ß\±²/ß°±° Û ÛÛÛ + ÛÛ ÛÛ ÛÛÛ Û ßÛ²±ÜOÞÝ +Oܱ²Ûß Û ÛÛÛ ÛÛ ÛÛ Û +ÛÛ Û Û±Û±°°±Û±Û Û ÛÛÛ  +ÛÛ ÛÛ ÛÛÛ Û ² ±²þþþþ²± ² + Û ÛÛÛ ÛÛ ÛÛ Û±ÛÛ +²Û ²°±° ²°ÛÛ°² ±Û°± Û²ÛÛ +±Û ÛÛ ÛÛ Û²Û°±°²±±² +°±²°°²±²°°°±²Û°Û²±°Û²Û  +ÛÛ ÛÛ Û²°±ÛÛ°°°±²°±² +°°±°²Û°±Û²Û°±²±²ÛÛ±°²Û ÛÛ + ÛÛ Û°±²±ÛÛ±°²°°°±°° +±²°²°±²°±±²°°Û°ÛÛ²±±Û  + ÛÛ ÛÛ Û²±±ÛÛÛ°°±² + ±°±°°²±²±°Û±±±° ±°±Û +Û²°±²Û ÛÛ ÛÛ Û°²² +ÛÛ±°± ±°±°±²°±²°±² ±²ÛÛ±² +±Û ÛÛ ÛÛ Û±ÛÛ±²  + °±±°±°±²±Û± Û°ÛÛ±Û  +ÛÛ ÛÛ ÛÛÛ Û ±°°±²° °±²° +±² Û ÛÛÛ ÛÛ ÛÛ ÛÛÛ Û  +°±°²±± °±²°²² Û ÛÛ +Û ÛÛ ÛÛ ÛÜÜÜÜÜÜÜÜÜÜÜÜÜÜÜÜÜÛÛÜÛܰ±² +±²±²±°±²±²ÛÜÛÛÜÜÜÜÜÜÜÜÜÜÜÜÜÜÜÜÛ ÛÛ  + ÛÛÜßÛÛ °±°±°²±°² ±°±°²±°²  +ÛÛßÜ ÛÛ²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²² +²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²²² °°°ÛÛ°°°°°°°°°°° +°°°°°°°°°ÛÛ°°°°°°°°°°°°°°°°°°°°°°°°ÛÛ°°°°°°°°° +°°°°°°°°°°°ÛÛ°°°  ÛÛ Û +ÛÛ ÛÛ  ÛÛÛ ÛÛ ÛÛ ÛÛÛ  +ÛÛ  ÛÛÛ ÛÛ ÛÛ ÛÛÛ  +Û ÜÜÜÜÜÜÜÜ Û  ÛÛÛ ÛÛ ÛÛ  +ÛÛÛ Û Û ÛÜܰ² ²°ÜÜÛ Û Û   + ÛÛÛ ÛÛ ÛÛ ÛÛÛ Û +²±°±°°±²Û  ÛÛÛ ÛÛ  + ÛÛ ÛÛÛ Û Û±²°±±°±²Û Û   + ÛÛÛ ÛÛ ÛÛ ÛÛÛ Û  +°±°ß\±²/ß°±° Û  ÛÛÛ  +ÛÛ ÛÛ ÛÛÛ Û ßÛ²±ÜOÞÝ +Oܱ²Ûß Û  ÛÛÛ ÛÛ ÛÛ Û +ÛÛ Û Û±Û±°°±Û±Û Û   +ÛÛÛ ÛÛ ÛÛ ÛÛÛ Û  +² ±²þþþþ²± ² Û  ÛÛÛ ÛÛ + ÛÛ Û°ÛÛ° Û ²°±°  +²°ÛÛ°² ±Û°± Û ²ÛÛ± Û  + ÛÛ ÛÛ Û±Û±°²°  +°²±±²°±²°°²±²°°°±²Û°Û² °± +°Û² Û ÛÛ ÛÛ ÛÛÛ°°±²±² + °±°±²°±²°°±°²Û°±Û²Û°±²±²± + ±°±²°ÛÛÛ ÛÛ ÛÛ ÛÛÛ +°±²²°±²± °±±²°°°±°°±²°²°±² +°±±²°±Û²²Û ±±²ÛÛ±ÛÛÛ ÛÛ Û +Û ÛÛÛ °±²±±Û°±°±°± ±°± +°°²±²±°Û±±±° ±°±Û±²°±²Û°  +ÛÛÛ ÛÛ ÛÛ ÛÛÛ °±²° +²±°± ±°±°±²°±²°±² ±²±Û±²±² ÛÛ +Û ÛÛ ÛÛ ÛÛÛ ±°±² ° +±±°±°±²±Û± Û°Û²± ÛÛÛ ÛÛ + ÛÛ ÛÛÛ Û ±°°±²° °±²°±²  + Û  ÛÛÛ ÛÛ ÛÛ ÛÛÛ  +Û °±°²±± °±²°²² Û  + ÛÛÛ ÛÛ ÛÛ ÛÜÜÜÜÜÜÜÜÜÜÜÜÜÛÛÜÜÜ +ÜÜÛܰ±²±²±²±°±²±²ÛÜÜÜÜÜÛÛÜÜÜÜÜÜÜÜÜÜÜÜÛ + ÛÛ ÛÛÜßÛÛ °±°±°²±°² ± +°±°²±°²  ÛÛßÜ ÛÛ \ No newline at end of file diff --git a/src/testansi/fish.ans b/src/testansi/fish.ans new file mode 100644 index 00000000..91e8e482 --- /dev/null +++ b/src/testansi/fish.ans @@ -0,0 +1,72 @@ + +  +     +  +     +   +   +   +  +    +  +  +   +    +    +   +   +  +    +  +  +    +    +  +  +   +  +  +  +   +  +  +  +    +   + +   +  +  +   +    +    +    +  +   +    +    +   +     +    +     +   +    +   +    +    +  +   +     +   +    +     +   +  +    +  +  +  +   + (c) Magic-MARK-er Graphics + + diff --git a/src/testansi/flower.ans b/src/testansi/flower.ans new file mode 100644 index 00000000..324a70b9 --- /dev/null +++ b/src/testansi/flower.ans @@ -0,0 +1,95 @@ +      leahciM   +       +   +       +       :yb neercS   +       +      +  +                  +      +    +    +         +            +    +    +    +        +      +        +   +      +     +     +  +          +       +    +      +    +                      +     +  +   +                      +     + + +                    +       + + +                   +         + +       +                    + + +     +                  + + +     +                  + + +                    +            + +   +                 +             + +    +            +                 +            +  +             +                  +           + +              +                     +             + +         +                      +              +  +       +                      +                +     +       +                       +                 +         +               +                       +                  +                      +                      + diff --git a/src/testansi/fruit.ans b/src/testansi/fruit.ans new file mode 100644 index 00000000..14e52fc5 --- /dev/null +++ b/src/testansi/fruit.ans @@ -0,0 +1,201 @@ +    +   +      +  +     +c  +    +    +     +   +      +    +    +   +      +   +       +    +   +    +    +     +  +   +      +     +    +    +e n +    + +      +  +    +  +   +     +      +    +      +  +   +.e  +   +  +     +    +    r  +    +   +    +   +     +      +    +     +    +   +  +     +    +        +   +  a +    i +     +    +    +     +    y +   +    +     +   +        +   +   +   +     e +    +  +     +    +    +    +    + +     +    +     +    +    +  +   +   +  +    +   + h +     +     +     +    +   +    +  : +    +     +  +      +     +  +    +  +     +      +    +    + +     +  +     +   +   S +  +      +    +   + M +   +    +  +  +     +     +  +.    + +    +   +.   +   +    +   +   +      +    +     +    +  +   +    +    +   +    +  +  +   b +   +     +      +    +    +    +   +   +   +    +    +  +   +     +     +    +     +   +    +    +   +     +     +     +c     +   +    +    +  + l  +     +    +    +      + +   +    +    +      +  +      +    + diff --git a/src/testansi/punk.ansi b/src/testansi/punk.ansi new file mode 100644 index 00000000..bf05f93c --- /dev/null +++ b/src/testansi/punk.ansi @@ -0,0 +1,20 @@ +╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳ +╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳ +╳╳╳\\\_╳╳╳╳╳╳_///╳╳╳ +╳╳╳\@  >╳╳╳╳<  @/╳╳╳ +╳╳╳╳| ~╳╳╳╳╳╳~ |╳╳╳╳ +\_-   -_╳╳╳╳_-   -_/ +╳╳╳╳\\╳/╳╳╳╳\╳//╳╳╳╳ +╳╳╳╳/╳\╳╳╳╳╳╳/╳\╳╳╳╳ +╳╳_+╳╳╳+_╳╳_+╳╳╳+_╳╳ +╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳ +╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳ +╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳ +╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳ +╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳ +╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳ +╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳ +╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳ +╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳ +╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳ +╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳╳ \ No newline at end of file diff --git a/src/vendormodules/overtype-1.5.8.tm b/src/vendormodules/overtype-1.5.8.tm index 86d61b69..12bb657a 100644 --- a/src/vendormodules/overtype-1.5.8.tm +++ b/src/vendormodules/overtype-1.5.8.tm @@ -217,11 +217,14 @@ proc overtype::left {args} { -exposed1 \uFFFD\ -exposed2 \uFFFD\ ] - set known_opts [dict keys $defaults] set argsflags [lrange $args 0 end-2] dict for {k v} $argsflags { - if {$k ni $known_opts} { - error "overtype::left unknown option '$k'. Known options: $known_opts" + switch -- $k { + -bias - -ellipsis - -ellipsistext - -ellipsiswhitespace - -overflow - -transparent - -exposed1 - -exposed2 {} + default { + set known_opts [dict keys $defaults] + error "overtype::left unknown option '$k'. Known options: $known_opts" + } } } set opts [dict merge $defaults $argsflags] @@ -248,7 +251,7 @@ proc overtype::left {args} { set outputlines [list] if {[punk::ansi::ta::detect_sgr [lindex $underlines 0]]} { - set replay_codes "[a]" + set replay_codes "[punk::ansi::a]" } else { set replay_codes "" } @@ -616,11 +619,8 @@ proc overtype::grapheme_width_cached {ch} { dict set grapheme_widths $ch $width return $width } -#-returnextra to enable returning of overflow and length -#review - use punk::ansi::ta::detect to short-circuit processing and do simpler string calcs as an optimisation? -#review - DECSWL/DECDWL double width line codes - very difficult/impossible to align and compose with other elements -#todo - review transparency issues with single/double width characters -#bidi - need a base direction and concept of directional runs for RTL vs LTR - may be best handled at another layer? + +#v2 proc overtype::renderline {args} { if {[llength $args] < 2} { error {usage: ?-info 0|1? ?-startcolumn ? ?-cursor_column ? ?-cursor_row |""? ?-transparent [0|1|]? ?-overflow [1|0]? undertext overtext} @@ -650,11 +650,14 @@ proc overtype::renderline {args} { #exposed1 and exposed2 for first and second col of underying 2wide char which is truncated by transparency or overflow #todo - return info about such grapheme 'cuts' in -info structure and/or create option to raise an error - set known_opts [dict keys $defaults] set argsflags [lrange $args 0 end-2] dict for {k v} $argsflags { - if {$k ni $known_opts} { - error "overtype::renderline unknown option '$k'. Known options: $known_opts" + switch -- $k { + -overflow - -transparent - -startcolumn - -cursor_column - -cursor_row - -insert_mode - -info - -exposed1 - -exposed2 {} + default { + set known_opts [dict keys $defaults] + error "overtype::renderline unknown option '$k'. Known options: $known_opts" + } } } set opts [dict merge $defaults $argsflags] @@ -728,7 +731,17 @@ proc overtype::renderline {args} { #pt = plain text append pt_underchars $pt foreach grapheme [punk::char::grapheme_split $pt] { - set width [grapheme_width_cached $grapheme] + #an ugly hack to serve *some* common case ascii quickly with byte-compiled literal switch - feels dirty. + #.. but even 0.5uS per char (grapheme_width_cached) adds up quickly when stitching lots of lines together. + switch -- $grapheme { + " " - - - _ - ! - @ - # - $ - % - ^ - & - * - = - + - : - . - , - / - | - ? - a - b - c - d - e - f - g - h - i - j - k - l - m - n - o - p - q - r - s - t - u - v - w - x - y - z - A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z - 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 { + set width 1 + } + default { + set width [grapheme_width_cached $grapheme] + } + } + #set width [grapheme_width_cached $grapheme] incr i_u dict set understacks $i_u $u_codestack dict set understacks_gx $i_u $u_gx_stack @@ -750,21 +763,22 @@ proc overtype::renderline {args} { #order of if-else based on assumptions: # that pure resets are fairly common - more so than leading resets with other info # that non-sgr codes are not that common, so ok to check for resets before verifying it is actually SGR at all. - if {[punk::ansi::codetype::is_sgr_reset $code]} { - set u_codestack [list] - } elseif {[punk::ansi::codetype::has_sgr_leadingreset $code]} { - set u_codestack [list $code] - } elseif {[punk::ansi::codetype::is_sgr $code]} { - lappend u_codestack $code - } else { - #leave SGR stack as is - if {[punk::ansi::codetype::is_gx_open $code]} { - set u_gx_stack [list gx0_on] ;#we'd better use a placeholder - or debugging will probably get into a big mess - } elseif {[punk::ansi::codetype::is_gx_close $code]} { - set u_gx_stack [list] + if {$code ne ""} { + if {[punk::ansi::codetype::is_sgr_reset $code]} { + set u_codestack [list] + } elseif {[punk::ansi::codetype::has_sgr_leadingreset $code]} { + set u_codestack [list $code] + } elseif {[punk::ansi::codetype::is_sgr $code]} { + lappend u_codestack $code + } else { + #leave SGR stack as is + if {[punk::ansi::codetype::is_gx_open $code]} { + set u_gx_stack [list gx0_on] ;#we'd better use a placeholder - or debugging will probably get into a big mess + } elseif {[punk::ansi::codetype::is_gx_close $code]} { + set u_gx_stack [list] + } } - - } + } #consider also if there are other codes that should be stacked..? } @@ -898,7 +912,8 @@ proc overtype::renderline {args} { #emit plaintext chars first using existing SGR codes from under/over stack as appropriate #then check if the following code is a cursor movement within the line and adjust index if so #foreach ch $overlay_graphemes {} - if {$type eq "g"} { + switch -- $type { + g { set ch $item incr idx_over if {$overflow_idx != -1 && $idx == $overflow_idx } { @@ -918,23 +933,36 @@ proc overtype::renderline {args} { priv::render_addchar $idx $ch [list] [list] $insert_mode incr idx ;#width doesn't matter from here } elseif {$ch eq "\n"} { - if {$cursor_row eq 0} { - incr cursor_row - } elseif {$cursor_row eq "=$opt_row_context"} { - set cursor_row "=[expr {$opt_row_context +1}]" ;#we can return an absolute next cursor row - } else { - #we should have already returned if cursor_row is not 1 or "=$opt_row_context" - error "overtype::renderline bad cursor_row $cursor_row encountered when \v encountered" + switch -- [string index $cursor_row 0] { + 0 { + incr cursor_row + } + = { + #deliberately keeping literals in switch statement rather than matching on =$opt_row_context directly (keep switch byte-compiled) + if {$cursor_row eq "=$opt_row_context"} { + set cursor_row "=[expr {$opt_row_context +1}]" ;#we can return an absolute next cursor row + } else { + error "overtype::renderline bad cursor_row $cursor_row encountered when lf encountered" + } + } + default { + #we should have already returned if cursor_row is not 1 or "=$opt_row_context" + error "overtype::renderline bad cursor_row $cursor_row encountered when lf encountered." + } } + #override overflow_idx even if it was set to -1 due to opt_overflow = 1 set overflow_idx $idx #set unapplied [join [lrange $overlay_grapheme_control_list $gci+1 end]] set unapplied "" append unapplied [join [dict get $overstacks $idx_over] ""] - if {[dict get $overstacks_gx $idx_over] eq "gx0_on"} { - append unapplied "\x1b(0" - } elseif {[dict get $overstacks_gx $idx_over] eq "gx0_off"} { - append unapplied "\x1b(B" + switch -- [dict get $overstacks_gx $idx_over] { + "gx0_on" { + append unapplied "\x1b(0" + } + "gx0_off" { + append unapplied "\x1b(B" + } } foreach gc [lrange $overlay_grapheme_control_list $gci+1 end] { @@ -1086,7 +1114,8 @@ proc overtype::renderline {args} { } } } - } elseif {$type eq "other"} { + } + other { set code $item if {$in_overflow} { #render controls into overflow/remainder output @@ -1105,99 +1134,114 @@ proc overtype::renderline {args} { set re_row_move {\x1b\[([0-9]*)(A|B)$} set re_both_move {\x1b\[([0-9]*)(?:;){0,1}([0-9]*)H$} set re_vt_sequence {\x1b\[([0-9]*)(?:;){0,1}([0-9]*)~$} - if {[regexp $re_col_move $code _match num type]} { - if {$type eq "D"} { - #left-arrow/move-back - if {$num eq ""} {set num 1} - incr idx -$num - if {$idx < $opt_colstart-1} { - #wrap to previous line and position cursor at end of data - set idx [expr {$opt_colstart-1}] - } - } elseif {$type eq "C"} { - #right-arrow/move forward - if {$num eq ""} {set num 1} - - #todo - retrict to moving 1 position past datalen? restrict to column width? - #should ideally wrap to next line - if {!$opt_overflow || ($idx + $num) <= [llength $outcols]-1} { - incr idx $num - - if {$idx > [llength $outcols]-1} { - set idx [expr {[llength $outcols] -1}] + set matchinfo [list] + + switch -regexp -matchvar matchinfo -- $code\ + $re_col_move { + lassign $matchinfo _match num type + switch -- $type { + D { + #left-arrow/move-back + if {$num eq ""} {set num 1} + incr idx -$num + if {$idx < $opt_colstart-1} { + #wrap to previous line and position cursor at end of data + set idx [expr {$opt_colstart-1}] } - } else { - if {!$insert_mode} { - #block editing style with arrow keys - set idxstart $idx - set idxend [expr {[llength $outcols]}] - set moveend [expr {$idxend - $idxstart}] - if {$moveend < 0} {set moveend 0} ;#sanity? - #puts "idxstart:$idxstart idxend:$idxend outcols[llength $outcols] undercols:[llength $undercols]" - incr idx $moveend - if {[dict exists $understacks $idx]} { - set stackinfo [dict get $understacks $idx] ;#use understack at end - which may or may not have already been replaced by stack from overtext - } else { - set stackinfo [list] - } - if {[dict exists $understacks_gx $idx]} { - set gxstackinfo [dict get $understacks_gx $idx] - } else { - set gxstackinfo [list] - } - #pad outcols - set movemore [expr {$num - $moveend}] - #assert movemore always at least 1 or we wouldn't be in this branch - for {set m 1} {$m <= $movemore} {incr m} { - incr idx - priv::render_addchar $idx " " $stackinfo $gxstackinfo $insert_mode - } - } else { - #normal + } + C { + #right-arrow/move forward + if {$num eq ""} {set num 1} + + #todo - retrict to moving 1 position past datalen? restrict to column width? + #should ideally wrap to next line + if {!$opt_overflow || ($idx + $num) <= [llength $outcols]-1} { incr idx $num + if {$idx > [llength $outcols]-1} { set idx [expr {[llength $outcols] -1}] } + } else { + if {!$insert_mode} { + #block editing style with arrow keys + set idxstart $idx + set idxend [expr {[llength $outcols]}] + set moveend [expr {$idxend - $idxstart}] + if {$moveend < 0} {set moveend 0} ;#sanity? + #puts "idxstart:$idxstart idxend:$idxend outcols[llength $outcols] undercols:[llength $undercols]" + incr idx $moveend + if {[dict exists $understacks $idx]} { + set stackinfo [dict get $understacks $idx] ;#use understack at end - which may or may not have already been replaced by stack from overtext + } else { + set stackinfo [list] + } + if {[dict exists $understacks_gx $idx]} { + set gxstackinfo [dict get $understacks_gx $idx] + } else { + set gxstackinfo [list] + } + #pad outcols + set movemore [expr {$num - $moveend}] + #assert movemore always at least 1 or we wouldn't be in this branch + for {set m 1} {$m <= $movemore} {incr m} { + incr idx + priv::render_addchar $idx " " $stackinfo $gxstackinfo $insert_mode + } + } else { + #normal + incr idx $num + if {$idx > [llength $outcols]-1} { + set idx [expr {[llength $outcols] -1}] + } + } } } - } elseif {$type eq "G"} { - #move absolute column - #adjust to colstart - as column 1 is within overlay - #ie - set num [expr {$num + $opt_colstart}] - error "renderline absolute col move ESC G unimplemented" + G { + #move absolute column + #adjust to colstart - as column 1 is within overlay + #ie + set num [expr {$num + $opt_colstart}] + error "renderline absolute col move ESC G unimplemented" + } } - } elseif {[regexp $re_row_move $code _match num type]} { - if {$type eq "A"} { - #move up - if {$num eq ""} {set num 1} - if {$cursor_row eq 0} { - incr cursor_row -1 ;#relative change - } elseif {$cursor_row eq "=$opt_row_context"} { - set cursor_row "=[expr {$opt_row_context -1}]" ;#we can return an absolute next cursor row - } else { - #we should have already returned if cursor_row is not 1 or "=$opt_row_context" - error "overtype::renderline bad cursor_row $cursor_row encountered when \v encountered" + }\ + $re_row_move { + lassign $matchinfo _match num type + switch -- $type { + A { + #move up + if {$num eq ""} {set num 1} + if {$cursor_row eq 0} { + incr cursor_row -1 ;#relative change + } elseif {$cursor_row eq "=$opt_row_context"} { + set cursor_row "=[expr {$opt_row_context -1}]" ;#we can return an absolute next cursor row + } else { + #we should have already returned if cursor_row is not 1 or "=$opt_row_context" + error "overtype::renderline bad cursor_row $cursor_row encountered when \v encountered" + } + #ensure rest of *overlay* is emitted to remainder + incr idx + break } - #ensure rest of *overlay* is emitted to remainder - incr idx - break - } elseif {$type eq "B"} { - #move down - if {$num eq ""} {set num 1} - if {$cursor_row eq 0} { - incr cursor_row 1 ;#relative change - } elseif {$cursor_row eq "=$opt_row_context"} { - set cursor_row "=[expr {$opt_row_context +1}]" ;#we can return an absolute next cursor row - } else { - #we should have already returned if cursor_row is not 1 or "=$opt_row_context" - error "overtype::renderline bad cursor_row $cursor_row encountered when \v encountered" + B { + #move down + if {$num eq ""} {set num 1} + if {$cursor_row eq 0} { + incr cursor_row 1 ;#relative change + } elseif {$cursor_row eq "=$opt_row_context"} { + set cursor_row "=[expr {$opt_row_context +1}]" ;#we can return an absolute next cursor row + } else { + #we should have already returned if cursor_row is not 1 or "=$opt_row_context" + error "overtype::renderline bad cursor_row $cursor_row encountered when \v encountered" + } + #set overflow_idx $idx ;#ensure rest of line is emitted to remainder + incr idx + break } - #set overflow_idx $idx ;#ensure rest of line is emitted to remainder - incr idx - break } - } elseif {[regexp $re_vt_sequence $code _match key mod]} { + }\ + $re_vt_sequence { + lassign $matchinfo _match key mod #Note that f1 to f4 show as ESCOP|Q|R|S (VT220?) but f5+ show as ESC\[15~ # #e.g esc \[2~ insert esc \[2;2~ shift-insert @@ -1250,8 +1294,15 @@ proc overtype::renderline {args} { } elseif {$key eq "24"} { #F12 } + } - } elseif {$type eq "sgr"} { + + if {[regexp $re_col_move $code _match num type]} { + } elseif {[regexp $re_row_move $code _match num type]} { + } elseif {[regexp $re_vt_sequence $code _match key mod]} { + } + } + sgr { #prior to overflow - we have our sgr codes already in stacks #post-overflow we need to keep them in order along with non sgr codes and graphemes if {$in_overflow} { @@ -1260,7 +1311,8 @@ proc overtype::renderline {args} { priv::render_addchar $idx $code [list] [list] $insert_mode incr idx ;#take up a column for each control sequence too } - } elseif {$type eq "gx0"} { + } + gx0 { if {$in_overflow} { set code $item if {$code eq "gx0_on"} { @@ -1273,6 +1325,7 @@ proc overtype::renderline {args} { } } + } } #-------------- @@ -1297,63 +1350,54 @@ proc overtype::renderline {args} { #coalesce and replay codestacks for outcols grapheme list - set outstring "" + set outstring "" ;#output prior to overflow set overflow_right "" ;#remainder after overflow point reached set i 0 set cstack [list] set prevstack [list] set prev_g0 [list] - set out_rawchars ""; #for overflow counting - review - not really 'raw' - set output_to "outstring" ;#var in effect depending on overflow #note overflow_idx may already have been set lower if we had a row move above due to \v or ANSI moves set in_overflow 0 ;#used to stop char-width scanning once in overflow foreach ch $outcols { #puts "---- [ansistring VIEW $ch]" - if {$overflow_idx != -1 && $i == $overflow_idx-1} { - if {[grapheme_width_cached $ch]> 1} { - #check if we overflowed with a double-width char - append out_rawchars $opt_exposed1 - set ch $opt_exposed1 - } else { - append out_rawchars $ch - } - } else { - append out_rawchars $ch - } - if {$overflow_idx != -1 && $i == $overflow_idx} { - #only run when we exactly hit overflow_idx - - if {[dict exists $understacks_gx $i]} { - set g0 [dict get $understacks_gx $i] - if {[llength $g0]} { - append outstring "\x1b(B" - } - } - - set in_overflow 1 - if {[set visualwidth [punk::char::string_width $out_rawchars]] > [expr {$overflow_idx + 1}]} { - puts stderr "warning - overflow column exceeded" - } - #add first codestack only - if {[dict exists $understacks $i]} { - set cstack [dict get $understacks $i] - foreach code $cstack { - append overflow_right $code - } - } - } if {$in_overflow} { #ch could be a control-sequence or a grapheme once in overflow - set output_to "overflow_right" + append overflow_right $ch + incr i } else { + if {$overflow_idx != -1 && $i <= $overflow_idx} { + if {$i == $overflow_idx-1} { + #one before overflow + if {[grapheme_width_cached $ch]> 1} { + #we overflowed with second-half of a double-width char - replace first-half with user-supplied exposition char (should be 1 wide) + set ch $opt_exposed1 + } + } elseif {$i == $overflow_idx} { + #at overflow + #only run when we exactly hit overflow_idx + set in_overflow 1 + if {[dict exists $understacks_gx $i]} { + set g0 [dict get $understacks_gx $i] + if {[llength $g0]} { + append outstring "\x1b(B" + } + } + #add first codestack only + if {[dict exists $understacks $i]} { + set cstack [dict get $understacks $i] + append overflow_right [join $cstack ""] + } + } + } + if {[dict exists $understacks_gx $i]} { set g0 [dict get $understacks_gx $i] if {$g0 ne $prev_g0} { if {$g0 eq [list "gx0_on"]} { - append $output_to "\x1b(0" + append outstring "\x1b(0" } else { - append $output_to "\x1b(B" + append outstring "\x1b(B" } } set prev_g0 $g0 @@ -1365,19 +1409,17 @@ proc overtype::renderline {args} { set cstack [dict get $understacks $i] if {$cstack ne $prevstack} { if {[llength $prevstack]} { - append $output_to \033\[m - } - foreach code $cstack { - append $output_to $code + append outstring \033\[m } + append outstring [join $cstack ""] } set prevstack $cstack } else { set prevstack [list] } + append outstring $ch + incr i } - append $output_to $ch - incr i } set replay_codes "" @@ -1403,7 +1445,7 @@ proc overtype::renderline {args} { } #pdict $understacks if {[punk::ansi::ta::detect_sgr $outstring]} { - append outstring [a] + append outstring [punk::ansi::a] } if {$opt_returnextra} { #replay_codes is the codestack at the boundary - used for ellipsis colouring to match elided text - review @@ -1431,29 +1473,849 @@ proc overtype::renderline {args} { } #return [join $out ""] } -proc overtype::test_renderline {} { - set t \uFF5E ;#2-wide tilde - set u \uFF3F ;#2-wide underscore - set missing \uFFFD - return [list $t $u A${t}B] -} - -#maintenance warning -#same as textblock::size - but we don't want that circular dependency -#block width and height can be tricky. e.g \v handled differently on different terminal emulators and can affect both -proc overtype::blocksize {textblock} { - if {$textblock eq ""} { - return [dict create width 0 height 1] ;#no such thing as zero-height block - for consistency with non-empty strings having no line-endings +#-returnextra to enable returning of overflow and length +#review - use punk::ansi::ta::detect to short-circuit processing and do simpler string calcs as an optimisation? +#review - DECSWL/DECDWL double width line codes - very difficult/impossible to align and compose with other elements +#todo - review transparency issues with single/double width characters +#bidi - need a base direction and concept of directional runs for RTL vs LTR - may be best handled at another layer? +proc overtype::renderline1 {args} { + if {[llength $args] < 2} { + error {usage: ?-info 0|1? ?-startcolumn ? ?-cursor_column ? ?-cursor_row |""? ?-transparent [0|1|]? ?-overflow [1|0]? undertext overtext} + } + lassign [lrange $args end-1 end] under over + if {[string first \n $under] >= 0} { + error "overtype::renderline not allowed to contain newlines in undertext" + } + #if {[string first \n $over] >=0 || [string first \n $under] >= 0} { + # error "overtype::renderline not allowed to contain newlines" + #} + + set defaults [dict create\ + -overflow 0\ + -transparent 0\ + -startcolumn 1\ + -cursor_column 1\ + -cursor_row ""\ + -insert_mode 1\ + -info 0\ + -exposed1 \uFFFD\ + -exposed2 \uFFFD\ + ] + #cursor_row, when numeric will allow detection of certain row moves that are still within our row - allowing us to avoid an early return + #An empty string for cursor_row tells us we have no info about our own row context, and to return with an unapplied string if any row move occurs + + #exposed1 and exposed2 for first and second col of underying 2wide char which is truncated by transparency or overflow + #todo - return info about such grapheme 'cuts' in -info structure and/or create option to raise an error + + set known_opts [dict keys $defaults] + set argsflags [lrange $args 0 end-2] + dict for {k v} $argsflags { + if {$k ni $known_opts} { + error "overtype::renderline unknown option '$k'. Known options: $known_opts" + } + } + set opts [dict merge $defaults $argsflags] + # -- --- --- --- --- --- --- --- --- --- --- --- + set opt_overflow [dict get $opts -overflow] + set opt_colstart [dict get $opts -startcolumn] ;#lhs limit for overlay - an offset to cursor_column - first visible column is 1. 0 or < 0 are before the start of the underlay + set opt_colcursor [dict get $opts -cursor_column];#start cursor column relative to overlay + set opt_row_context [dict get $opts -cursor_row] + if {[string length $opt_row_context]} { + if {![string is integer -strict $opt_row_context] || $opt_row_context <1 } { + error "overtype::renderline -cursor_row must be empty for unspecified/unknown or a non-zero positive integer. received: '$opt_row_context'" + } + } + set opt_insert_mode [dict get $opts -insert_mode];#should usually be 1 for each new line in editor mode but must be initialised to 1 externally (review) + #default is for overtype + # -- --- --- --- --- --- --- --- --- --- --- --- + set opt_transparent [dict get $opts -transparent] + if {$opt_transparent eq "0"} { + set do_transparency 0 + } else { + set do_transparency 1 + if {$opt_transparent eq "1"} { + set opt_transparent {[\s]} + } + } + # -- --- --- --- --- --- --- --- --- --- --- --- + set opt_returnextra [dict get $opts -info] + # -- --- --- --- --- --- --- --- --- --- --- --- + set opt_exposed1 [dict get $opts -exposed1] + set opt_exposed2 [dict get $opts -exposed2] + # -- --- --- --- --- --- --- --- --- --- --- --- + + if {$opt_row_context eq ""} { + set cursor_row 0 ;#we aren't allowed to make assumptions about our context. zero represents cursor_row_change - not an absolute row (for which zero is invalid anyway) + } else { + set cursor_row "=$opt_row_context" ;#we are at this row number in the greater context - allow moves that explicitly refer to this row without returning prematurely + } + + + #----- + # + if {[string first \t $under] >= 0} { + #set under [textutil::tabify::untabify2 $under] + set under [textutil::tabify::untabifyLine $under 8] ;#8 is default for untabify2 - review + } + set overdata $over + if {[string first \t $over] >= 0} { + #set overdata [textutil::tabify::untabify2 $over] + set overdata [textutil::tabify::untabifyLine $over 8] + } + #------- + + #ta_detect ansi and do simpler processing? + + #we repeat tests for grapheme width in different loops - rather than create another datastructure to store widths based on column, + #we'll use the grapheme_width_cached function as a lookup table of all graphemes encountered - as there will often be repeats in different positions anyway. + + # -- --- --- --- --- --- --- --- + set undermap [punk::ansi::ta::split_codes_single $under] + set understacks [dict create] + + set i_u -1 ;#underlay may legitimately be empty + set undercols [list] + set u_codestack [list] + #u_gx_stack probably isn't really a stack - I don't know if g0 g1 can stack or not - for now we support only g0 anyway + set u_gx_stack [list] ;#separate stack for g0 (g1 g2 g3?) graphics on and off (DEC special graphics) + set understacks_gx [dict create] + set pt_underchars "" ;#for string_columns length calculation for overflow 0 truncation + set remainder [list] ;#for returnextra + foreach {pt code} $undermap { + #pt = plain text + append pt_underchars $pt + foreach grapheme [punk::char::grapheme_split $pt] { + set width [grapheme_width_cached $grapheme] + incr i_u + dict set understacks $i_u $u_codestack + dict set understacks_gx $i_u $u_gx_stack + + lappend undercols $grapheme + if {$width > 1} { + incr i_u + #presumably there are no triple-column or wider unicode chars.. until the aliens arrive.(?) + #but what about emoji combinations etc - can they be wider than 2? + dict set understacks $i_u $u_codestack + dict set understacks_gx $i_u $u_gx_stack + lappend undercols "" + } + } + + #underlay should already have been rendered and not have non-sgr codes - but let's retain the check for them and not stack them if other codes are here + if {$code ne ""} { + #only stack SGR (graphics rendition) codes - not title sets, cursor moves etc + #order of if-else based on assumptions: + # that pure resets are fairly common - more so than leading resets with other info + # that non-sgr codes are not that common, so ok to check for resets before verifying it is actually SGR at all. + if {[punk::ansi::codetype::is_sgr_reset $code]} { + set u_codestack [list] + } elseif {[punk::ansi::codetype::has_sgr_leadingreset $code]} { + set u_codestack [list $code] + } elseif {[punk::ansi::codetype::is_sgr $code]} { + lappend u_codestack $code + } else { + #leave SGR stack as is + if {[punk::ansi::codetype::is_gx_open $code]} { + set u_gx_stack [list gx0_on] ;#we'd better use a placeholder - or debugging will probably get into a big mess + } elseif {[punk::ansi::codetype::is_gx_close $code]} { + set u_gx_stack [list] + } + } + } + + #consider also if there are other codes that should be stacked..? + } + + #trailing codes in effect for underlay + #replay code for last overlay position in input line + # whether or not we get that far - we need to return it for possible replay on next line + if {[llength $undermap]} { + dict set understacks [expr {$i_u + 1}] $u_codestack ;#This is one column higher than our input + set replay_codes_underlay [join $u_codestack ""] + + # For gx we need the column after the data too ? + dict set understacks_gx [expr {$i_u +1}] $u_gx_stack + } else { + set replay_codes_underlay "" + #in case overlay onto emptystring as underlay + dict set understacks 0 [list] + dict set understacks_gx 0 [list] + } + #note - be careful.. understacks 1 bigger than input - for insertion at end (review) + + + # -- --- --- --- --- --- --- --- + #### + #if opt_colstart - we need to build a space (or any singlewidth char really) padding on the left of the right number of columns. + #this will be processed as transparent - and handle doublewidth underlay characters appropriately + set startpad_overlay [string repeat " " [expr {$opt_colstart -1}]] + append startpad_overlay $overdata ;#overdata with left padding spaces based on col-start under will show through for left-padding portion regardless of -transparency + set overmap [punk::ansi::ta::split_codes_single $startpad_overlay] + #### + + #??? + set colcursor $opt_colstart + + #set re_diacritics {[\u0300-\u036f]+|[\u1ab0-\u1aff]+|[\u1dc0-\u1dff]+|[\u20d0-\u20ff]+|[\ufe20-\ufe2f]+} + #as at 2024-02 punk::char::grapheme_split uses these - not aware of more complex graphemes + + + set overstacks [dict create] + set overstacks_gx [dict create] + set o_codestack [list]; #SGR codestack (not other codes such as movement,insert key etc) + set o_gxstack [list] + set pt_overchars "" + set i_o 0 + set overlay_grapheme_control_list [list] ;#tag each with g, sgr or other. 'other' are things like cursor-movement or insert-mode or codes we don't recognise/use + foreach {pt code} $overmap { + append pt_overchars $pt + #will get empty pt between adjacent codes + foreach grapheme [punk::char::grapheme_split $pt] { + dict set overstacks $i_o $o_codestack + dict set overstacks_gx $i_o $o_gxstack + incr i_o + lappend overlay_grapheme_control_list [list g $grapheme] + } + + #only stack SGR (graphics rendition) codes - not title sets, cursor moves etc + #order of if-else based on assumptions: + # that pure resets are fairly common - more so than leading resets with other info + # that non-sgr codes are not that common, so ok to check for resets before verifying it is actually SGR at all. + if {$code ne ""} { + #there will always be an empty code at end due to foreach on 2 vars with odd-sized list ending with pt (overmap coming from perlish split) + if {[punk::ansi::codetype::is_sgr_reset $code]} { + set o_codestack [list] + lappend overlay_grapheme_control_list [list sgr $code] + } elseif {[punk::ansi::codetype::has_sgr_leadingreset $code]} { + set o_codestack [list $code] + lappend overlay_grapheme_control_list [list sgr $code] + } elseif {[priv::is_sgr $code]} { + lappend o_codestack $code + lappend overlay_grapheme_control_list [list sgr $code] + } else { + if {[punk::ansi::codetype::is_gx_open $code]} { + set o_gxstack [list "gx0_on"] + lappend overlay_grapheme_control_list [list gx0 gx0_on] ;#don't store code - will complicate debugging if we spit it out and jump character sets + } elseif {[punk::ansi::codetype::is_gx_close $code]} { + set o_gxstack [list] + lappend overlay_grapheme_control_list [list gx0 gx0_off] ;#don't store code - will complicate debugging if we spit it out and jump character sets + } else { + lappend overlay_grapheme_control_list [list other $code] + } + } + } + + } + #replay code for last overlay position in input line - should take account of possible trailing sgr code after last grapheme + set max_overlay_grapheme_index [expr {$i_o -1}] + dict set overstacks $i_o $o_codestack + dict set overstacks_gx $i_o $o_gxstack + set replay_codes_overlay [join $o_codestack ""] + + #if {[dict exists $overstacks $max_overlay_grapheme_index]} { + # set replay_codes_overlay [join [dict get $overstacks $max_overlay_grapheme_index] ""] + #} else { + # set replay_codes_overlay "" + #} + # -- --- --- --- --- --- --- --- + + + #potential problem - combinining diacritics directly following control chars like \r \b + + #we need to initialise overflow_idx before any potential row-movements - as they need to break and force in_overflow to 1 + if {$opt_overflow} { + set overflow_idx -1 + } else { + set overflow_idx [expr {[llength $undercols]}] ;#index at which we would be *in* overflow a row move may still override it + } + set outcols $undercols ;#leave undercols as is, outcols can potentially be appended to. + + set unapplied "" ;#if we break for move row (but not for /v ?) + set insert_lines_above 0 ;#return key + set insert_lines_below 0 + + #set idx 0 ;# line index (cursor - 1) + #set idx [expr {$opt_colstart + $opt_colcursor} -1] + set idx [expr {$opt_colcursor -1}] ;#don't use opt_colstart here - we have padded and won't start emitting until idx reaches opt_colstart-1 + set idx_over -1 + + + #movements only occur within the overlay range. + #an underlay is however not necessary.. e.g + #renderline -overflow 1 "" data + #foreach {pt code} $overmap {} + set insert_mode $opt_insert_mode ;#default 1 + set in_overflow 0 + #puts "-->$overlay_grapheme_control_list<--" + #puts "-->overflow_idx: $overflow_idx" + for {set gci 0} {$gci < [llength $overlay_grapheme_control_list]} {incr gci} { + set gc [lindex $overlay_grapheme_control_list $gci] + lassign $gc type item + + #emit plaintext chars first using existing SGR codes from under/over stack as appropriate + #then check if the following code is a cursor movement within the line and adjust index if so + #foreach ch $overlay_graphemes {} + if {$type eq "g"} { + set ch $item + incr idx_over + if {$overflow_idx != -1 && $idx == $overflow_idx } { + #review 2w overflow? + set in_overflow 1 + #first overstack codeset only + priv::render_addchar $idx $ch [dict get $overstacks $idx_over] [dict get $overstacks_gx $idx_over] $insert_mode + incr idx + continue + } + + set within_undercols [expr {$idx <= [llength $undercols]-1}] ;#within our original data width + + if {$in_overflow} { + #render any char - even \b\v\r into outcols - will become part of overflow + #no stacks added from here on - raw codes go into overflow/remainder + priv::render_addchar $idx $ch [list] [list] $insert_mode + incr idx ;#width doesn't matter from here + } elseif {$ch eq "\n"} { + if {$cursor_row eq 0} { + incr cursor_row + } elseif {$cursor_row eq "=$opt_row_context"} { + set cursor_row "=[expr {$opt_row_context +1}]" ;#we can return an absolute next cursor row + } else { + #we should have already returned if cursor_row is not 1 or "=$opt_row_context" + error "overtype::renderline bad cursor_row $cursor_row encountered when \v encountered" + } + #override overflow_idx even if it was set to -1 due to opt_overflow = 1 + set overflow_idx $idx + #set unapplied [join [lrange $overlay_grapheme_control_list $gci+1 end]] + set unapplied "" + append unapplied [join [dict get $overstacks $idx_over] ""] + if {[dict get $overstacks_gx $idx_over] eq "gx0_on"} { + append unapplied "\x1b(0" + } elseif {[dict get $overstacks_gx $idx_over] eq "gx0_off"} { + append unapplied "\x1b(B" + } + + foreach gc [lrange $overlay_grapheme_control_list $gci+1 end] { + lassign $gc type item + if {$type eq "gx0"} { + if {$item eq "gx0_on"} { + append unapplied "\x1b(0" + } elseif {$item eq "gx0_off"} { + append unapplied "\x1b(B" + } + } else { + append unapplied $item + } + incr idx_over + } + if {$idx == 0} { + set insert_lines_above 1 + } else { + set insert_lines_below 1 + } + break + } elseif {$ch eq "\r"} { + set idx [expr {$opt_colstart -1}] + } elseif {$ch eq "\b"} { + #review - backspace effect on double-width chars + #review - overstrike support as per nroff/less (generally considered an old technology replaced by unicode mechanisms and/or ansi SGR) + if {$idx > ($opt_colstart -1)} { + incr idx -1 + } + } elseif {$ch eq "\v"} { + #end processing this overline. rest of line is remainder. cursor for column as is. + if {$cursor_row eq 0} { + incr cursor_row + } elseif {$cursor_row eq "=$opt_row_context"} { + set cursor_row "=[expr {$opt_row_context +1}]" ;#we can return an absolute next cursor row + } else { + #we should have already returned if cursor_row is not 1 or "=$opt_row_context" + error "overtype::renderline bad cursor_row $cursor_row encountered when \v encountered" + } + #override overflow_idx even if it was set to -1 due to opt_overflow = 1 + set overflow_idx [expr $idx] + set in_overflow 1 + incr idx + #break + } elseif {($idx < ($opt_colstart -1))} { + incr idx + } elseif {($do_transparency && [regexp $opt_transparent $ch])} { + #pre opt_colstart is effectively transparent (we have applied padding of required number of columns to left of overlay) + if {$idx > [llength $outcols]-1} { + lappend outcols " " + dict set understacks $idx [list] ;#review - use idx-1 codestack? + incr idx + } else { + #todo - punk::char::char_width + set g [lindex $outcols $idx] + set uwidth [grapheme_width_cached $g] + if {[lindex $outcols $idx] eq ""} { + #2nd col of 2-wide char in underlay + incr idx + } elseif {$uwidth == 0} { + #e.g control char ? combining diacritic ? + incr idx + } elseif {$uwidth == 1} { + set owidth [grapheme_width_cached $ch] + incr idx + if {$owidth > 1} { + incr idx + } + } elseif {$uwidth > 1} { + if {[grapheme_width_cached $ch] == 1} { + #normal singlewide transparency + set next_pt_overchar [string index $pt_overchars $idx_over+1] ;#lookahead of next plain-text char in overlay + if {$next_pt_overchar eq ""} { + #special-case trailing transparent - no next_pt_overchar + incr idx + } else { + if {[regexp $opt_transparent $next_pt_overchar]} { + incr idx + } else { + #next overlay char is not transparent.. first-half of underlying 2wide char is exposed + priv::render_addchar $idx $opt_exposed1 [dict get $overstacks $idx_over] [dict get $overstacks_gx $idx_over] $insert_mode + incr idx + } + } + } else { + #2wide transparency over 2wide in underlay + incr idx + } + } + } + } else { + #non-transparent char in overlay + set uwidth [grapheme_width_cached [lindex $outcols $idx]] + + if {$within_undercols && [lindex $outcols $idx] eq ""} { + #2nd col of 2wide char in underlay + priv::render_addchar $idx $ch [dict get $overstacks $idx_over] [dict get $overstacks_gx $idx_over] $insert_mode + #JMN - this has to expose if our startposn chopped an underlay - but not if we already overwrote the first half of the widechar underlay grapheme + #e.g renderline \uFF21\uFF21--- a\uFF23\uFF23 + #vs + # renderline -startcolumn 2 \uFF21---- \uFF23 + if {[lindex $outcols $idx-1] != ""} { + #verified it's an empty following a filled - so it's a legit underlay remnant + #reset previous to an exposed 1st-half - but leave understacks code as is + priv::render_addchar [expr {$idx-1}] $opt_exposed1 [dict get $understacks [expr {$idx-1}]] [dict get $understacks_gx [expr {$idx-1}]] $insert_mode + } + incr idx + + } elseif {$uwidth == 0} { + if {$within_undercols} { + #e.g combining diacritic - increment before over char REVIEW + #arguably the previous overchar should have done this - ie lookahead for combiners? + priv::render_addchar $idx "" [dict get $overstacks $idx_over] [dict get $overstacks_gx $idx_over] $insert_mode + incr idx + priv::render_addchar $idx $ch [dict get $overstacks $idx_over] [dict get $overstacks_gx $idx_over] $insert_mode + incr idx + } else { + #overflow + priv::render_addchar $idx $ch [dict get $overstacks $idx_over] [dict get $overstacks_gx $idx_over] $insert_mode + incr idx + } + } elseif {$uwidth == 1} { + set owidth [grapheme_width_cached $ch] + if {$owidth == 1} { + priv::render_addchar $idx $ch [dict get $overstacks $idx_over] [dict get $overstacks_gx $idx_over] $insert_mode + incr idx + } else { + priv::render_addchar $idx $ch [dict get $overstacks $idx_over] [dict get $overstacks_gx $idx_over] $insert_mode + incr idx + priv::render_addchar $idx "" [dict get $overstacks $idx_over] [dict get $overstacks_gx $idx_over] $insert_mode + #if next column in underlay empty - we've overwritten first half of underlying 2wide grapheme + #replace with rhs exposure in case there are no more overlay graphemes coming - use underlay's stack + if {[llength $outcols] >= [expr {$idx +2}] && [lindex $outcols $idx+1] eq ""} { + priv::render_addchar [expr {$idx+1}] $opt_exposed2 [dict get $understacks [expr {$idx+1}]] [dict get $understacks_gx [expr {$idx+1}]] $insert_mode + } + incr idx + } + } elseif {$uwidth > 1} { + set owidth [grapheme_width_cached $ch] + if {$owidth == 1} { + priv::render_addchar $idx $ch [dict get $overstacks $idx_over] [dict get $overstacks_gx $idx_over] $insert_mode + incr idx + priv::render_addchar $idx $opt_exposed2 [dict get $overstacks $idx_over] [dict get $overstacks_gx $idx_over] $insert_mode + #don't incr idx - we are just putting a broken-indication in the underlay - which may get overwritten by next overlay char + } else { + #2wide over 2wide + priv::render_addchar $idx $ch [dict get $overstacks $idx_over] [dict get $overstacks_gx $idx_over] $insert_mode + incr idx 2 + } + } + } + } elseif {$type eq "other"} { + set code $item + if {$in_overflow} { + #render controls into overflow/remainder output + priv::render_addchar $idx $code [list] [list] $insert_mode + incr idx ;#take up a column for each control sequence too + continue + } + + #cursor movement? + #if {![punk::ansi::codetype::is_sgr $code]} { + # + #} + #if {[punk::ansi::codetype::is_cursor_move_in_line $code]} { + #} + set re_col_move {\x1b\[([0-9]*)(C|D|G)$} + set re_row_move {\x1b\[([0-9]*)(A|B)$} + set re_both_move {\x1b\[([0-9]*)(?:;){0,1}([0-9]*)H$} + set re_vt_sequence {\x1b\[([0-9]*)(?:;){0,1}([0-9]*)~$} + if {[regexp $re_col_move $code _match num type]} { + if {$type eq "D"} { + #left-arrow/move-back + if {$num eq ""} {set num 1} + incr idx -$num + if {$idx < $opt_colstart-1} { + #wrap to previous line and position cursor at end of data + set idx [expr {$opt_colstart-1}] + } + } elseif {$type eq "C"} { + #right-arrow/move forward + if {$num eq ""} {set num 1} + + #todo - retrict to moving 1 position past datalen? restrict to column width? + #should ideally wrap to next line + if {!$opt_overflow || ($idx + $num) <= [llength $outcols]-1} { + incr idx $num + + if {$idx > [llength $outcols]-1} { + set idx [expr {[llength $outcols] -1}] + } + } else { + if {!$insert_mode} { + #block editing style with arrow keys + set idxstart $idx + set idxend [expr {[llength $outcols]}] + set moveend [expr {$idxend - $idxstart}] + if {$moveend < 0} {set moveend 0} ;#sanity? + #puts "idxstart:$idxstart idxend:$idxend outcols[llength $outcols] undercols:[llength $undercols]" + incr idx $moveend + if {[dict exists $understacks $idx]} { + set stackinfo [dict get $understacks $idx] ;#use understack at end - which may or may not have already been replaced by stack from overtext + } else { + set stackinfo [list] + } + if {[dict exists $understacks_gx $idx]} { + set gxstackinfo [dict get $understacks_gx $idx] + } else { + set gxstackinfo [list] + } + #pad outcols + set movemore [expr {$num - $moveend}] + #assert movemore always at least 1 or we wouldn't be in this branch + for {set m 1} {$m <= $movemore} {incr m} { + incr idx + priv::render_addchar $idx " " $stackinfo $gxstackinfo $insert_mode + } + } else { + #normal + incr idx $num + if {$idx > [llength $outcols]-1} { + set idx [expr {[llength $outcols] -1}] + } + } + } + } elseif {$type eq "G"} { + #move absolute column + #adjust to colstart - as column 1 is within overlay + #ie + set num [expr {$num + $opt_colstart}] + error "renderline absolute col move ESC G unimplemented" + } + } elseif {[regexp $re_row_move $code _match num type]} { + if {$type eq "A"} { + #move up + if {$num eq ""} {set num 1} + if {$cursor_row eq 0} { + incr cursor_row -1 ;#relative change + } elseif {$cursor_row eq "=$opt_row_context"} { + set cursor_row "=[expr {$opt_row_context -1}]" ;#we can return an absolute next cursor row + } else { + #we should have already returned if cursor_row is not 1 or "=$opt_row_context" + error "overtype::renderline bad cursor_row $cursor_row encountered when \v encountered" + } + #ensure rest of *overlay* is emitted to remainder + incr idx + break + } elseif {$type eq "B"} { + #move down + if {$num eq ""} {set num 1} + if {$cursor_row eq 0} { + incr cursor_row 1 ;#relative change + } elseif {$cursor_row eq "=$opt_row_context"} { + set cursor_row "=[expr {$opt_row_context +1}]" ;#we can return an absolute next cursor row + } else { + #we should have already returned if cursor_row is not 1 or "=$opt_row_context" + error "overtype::renderline bad cursor_row $cursor_row encountered when \v encountered" + } + #set overflow_idx $idx ;#ensure rest of line is emitted to remainder + incr idx + break + } + } elseif {[regexp $re_vt_sequence $code _match key mod]} { + #Note that f1 to f4 show as ESCOP|Q|R|S (VT220?) but f5+ show as ESC\[15~ + # + #e.g esc \[2~ insert esc \[2;2~ shift-insert + #mod - subtract 1, and then use bitmask + #shift = 1, (left)Alt = 2, control=4, meta=8 (meta seems to do nothing on many terminals on windows? Intercepted by windows?) + puts stderr "vt key:$key mod:$mod code:[ansistring VIEW $code]" + if {$key eq "1"} { + #home + } elseif {$key eq "2"} { + #Insert + if {$mod eq ""} { + #no modifier key + set insert_mode [expr {!$insert_mode}] + #rather than set the cursor - we return the insert mode state so the caller can decide + } + } elseif {$key eq "3"} { + #Delete + } elseif {$key eq "4"} { + #End + } elseif {$key eq "5"} { + #pgup + } elseif {$key eq "6"} { + #pgDn + } elseif {$key eq "7"} { + #Home + } elseif {$key eq "8"} { + #End + } elseif {$key eq "11"} { + #F1 - or ESCOP or e.g shift F1 ESC\[1;2P + } elseif {$key eq "12"} { + #F2 - or ESCOQ + } elseif {$key eq "13"} { + #F3 - or ESCOR + } elseif {$key eq "14"} { + #F4 - or ESCOS + } elseif {$key eq "15"} { + #F5 or shift F5 ESC\[15;2~ + } elseif {$key eq "17"} { + #F6 + } elseif {$key eq "18"} { + #F7 + } elseif {$key eq "19"} { + #F8 + } elseif {$key eq "20"} { + #F9 + } elseif {$key eq "21"} { + #F10 + } elseif {$key eq "23"} { + #F11 + } elseif {$key eq "24"} { + #F12 + } + } + } elseif {$type eq "sgr"} { + #prior to overflow - we have our sgr codes already in stacks + #post-overflow we need to keep them in order along with non sgr codes and graphemes + if {$in_overflow} { + set code $item + #render controls into output - will become overflow/remainder + priv::render_addchar $idx $code [list] [list] $insert_mode + incr idx ;#take up a column for each control sequence too + } + } elseif {$type eq "gx0"} { + if {$in_overflow} { + set code $item + if {$code eq "gx0_on"} { + set actual "\x1b(0" + } else { + set actual "\x1b(B" + } + priv::render_addchar $idx $actual [list] [list] $insert_mode + incr idx + } + + } + } + + #-------------- + if {$in_overflow} { + #set cursor_column [expr {$overflow_idx -1}] + set cursor_column [expr {$overflow_idx +1}] + } else { + set cursor_column [expr {$idx+1}] + } + + + if {$opt_overflow == 0} { + #need to truncate to the width of the original undertext + #review - string_width vs printing_length here. undertext requirement to be already rendered therefore punk::char::string_width ok? + set num_under_columns [punk::char::string_width $pt_underchars] ;#plaintext underchars + } + if {$overflow_idx == -1} { + #overflow was initially unlimited and hasn't been overridden + } else { + + } + + + #coalesce and replay codestacks for outcols grapheme list + set outstring "" + set overflow_right "" ;#remainder after overflow point reached + set i 0 + set cstack [list] + set prevstack [list] + set prev_g0 [list] + set out_rawchars ""; #for overflow counting - review - not really 'raw' + set output_to "outstring" ;#var in effect depending on overflow + #note overflow_idx may already have been set lower if we had a row move above due to \v or ANSI moves + set in_overflow 0 ;#used to stop char-width scanning once in overflow + foreach ch $outcols { + #puts "---- [ansistring VIEW $ch]" + if {$overflow_idx != -1 && $i == $overflow_idx-1} { + if {[grapheme_width_cached $ch]> 1} { + #check if we overflowed with a double-width char + append out_rawchars $opt_exposed1 + set ch $opt_exposed1 + } else { + append out_rawchars $ch + } + } else { + append out_rawchars $ch + } + + if {$overflow_idx != -1 && $i == $overflow_idx} { + #only run when we exactly hit overflow_idx + + if {[dict exists $understacks_gx $i]} { + set g0 [dict get $understacks_gx $i] + if {[llength $g0]} { + append outstring "\x1b(B" + } + } + + set in_overflow 1 + if {[set visualwidth [punk::char::string_width $out_rawchars]] > [expr {$overflow_idx + 1}]} { + puts stderr "warning - overflow column exceeded" + } + #add first codestack only + if {[dict exists $understacks $i]} { + set cstack [dict get $understacks $i] + foreach code $cstack { + append overflow_right $code + } + } + } + if {$in_overflow} { + #ch could be a control-sequence or a grapheme once in overflow + set output_to "overflow_right" + } else { + if {[dict exists $understacks_gx $i]} { + set g0 [dict get $understacks_gx $i] + if {$g0 ne $prev_g0} { + if {$g0 eq [list "gx0_on"]} { + append $output_to "\x1b(0" + } else { + append $output_to "\x1b(B" + } + } + set prev_g0 $g0 + } else { + set prev_g0 [list] + } + #code replay when not in overflow + if {[dict exists $understacks $i]} { + set cstack [dict get $understacks $i] + if {$cstack ne $prevstack} { + if {[llength $prevstack]} { + append $output_to \033\[m + } + foreach code $cstack { + append $output_to $code + } + } + set prevstack $cstack + } else { + set prevstack [list] + } + } + append $output_to $ch + incr i + } + + set replay_codes "" + if {[dict size $understacks] > 0} { + if {$overflow_idx == -1} { + set tail_idx [dict size $understacks] + } else { + set tail_idx [llength $undercols] + } + if {[dict exists $understacks [expr {$tail_idx-1}]]} { + set replay_codes [join [dict get $understacks [expr {$tail_idx-1}]] ""] ;#tail replay codes + } + if {[dict exists $understacks_gx [expr {$tail_idx-1}]]} { + set gx0 [dict get $understacks_gx [expr {$tail_idx-1}]] + if {$gx0 eq [list "gx0_on"]} { + #if it was on, turn gx0 off at the point we stop processing overlay + append outstring "\x1b(B" + } + } + } + if {[string length $overflow_right]} { + #puts stderr "remainder:$overflow_right" + } + #pdict $understacks + if {[punk::ansi::ta::detect_sgr $outstring]} { + append outstring [a] + } + if {$opt_returnextra} { + #replay_codes is the codestack at the boundary - used for ellipsis colouring to match elided text - review + #replay_codes_underlay is the set of codes in effect at the very end of the original underlay + #replay_codes_overlay is the set of codes in effect at the very end of the original overlay (even if not all overlay was applied) + #todo - replay_codes for gx0 mode + return [list\ + result $outstring\ + visualwidth [punk::ansi::printing_length $outstring]\ + stringlen [string length $outstring]\ + overflow_idx $overflow_idx\ + overflow_right $overflow_right\ + unapplied $unapplied\ + insert_mode $insert_mode\ + insert_lines_above $insert_lines_above\ + insert_lines_below $insert_lines_below\ + cursor_column $cursor_column\ + cursor_row_change $cursor_row\ + replay_codes $replay_codes\ + replay_codes_underlay $replay_codes_underlay\ + replay_codes_overlay $replay_codes_overlay\ + ] + } else { + return $outstring + } + #return [join $out ""] +} +proc overtype::test_renderline {} { + set t \uFF5E ;#2-wide tilde + set u \uFF3F ;#2-wide underscore + set missing \uFFFD + return [list $t $u A${t}B] +} + +#maintenance warning +#same as textblock::size - but we don't want that circular dependency +#block width and height can be tricky. e.g \v handled differently on different terminal emulators and can affect both +proc overtype::blocksize {textblock} { + if {$textblock eq ""} { + return [dict create width 0 height 1] ;#no such thing as zero-height block - for consistency with non-empty strings having no line-endings + } + if {[string first \t $textblock] >= 0} { + set textblock [textutil::tabify::untabify2 $textblock] + } + #stripansi on entire block in one go rather than line by line - result should be the same - review - make tests + if {[punk::ansi::ta::detect $textblock]} { + set textblock [punk::ansi::stripansi $textblock] } - set textblock [textutil::tabify::untabify2 $textblock] - #stripansi on entire block in one go rather than line by line - result should be the same - review - make tests - set textblock [punk::ansi::stripansi $textblock] if {[string first \n $textblock] >= 0} { + set num_le [expr {[string length $textblock]-[string length [string map [list \n {}] $textblock]]}] ;#faster than splitting into single-char list set width [tcl::mathfunc::max {*}[lmap v [punk::lib::lines_as_list -- $textblock] {::punk::char::ansifreestring_width $v}]] } else { + set num_le 0 set width [punk::char::ansifreestring_width $textblock] } - set num_le [expr {[string length $textblock]-[string length [string map [list \n {}] $textblock]]}] ;#faster than splitting into single-char list #our concept of block-height is likely to be different to other line-counting mechanisms set height [expr {$num_le + 1}] ;# one line if no le - 2 if there is one trailing le even if no data follows le diff --git a/src/vendormodules/overtype-1.5.9.tm b/src/vendormodules/overtype-1.5.9.tm new file mode 100644 index 00000000..8159131c --- /dev/null +++ b/src/vendormodules/overtype-1.5.9.tm @@ -0,0 +1,2194 @@ +# -*- tcl -*- +# Maintenance Instruction: leave the 999999.xxx.x as is and use 'pmix make' or src/make.tcl to update from -buildversion.txt +# +# Please consider using a BSD or MIT style license for greatest compatibility with the Tcl ecosystem. +# Code using preferred Tcl licenses can be eligible for inclusion in Tcllib, Tklib and the punk package repository. +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +# (C) Julian Noble 2003-2023 +# +# @@ Meta Begin +# Application overtype 1.5.9 +# Meta platform tcl +# Meta license BSD +# @@ Meta End + + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +# doctools header +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +#*** !doctools +#[manpage_begin overtype_module_overtype 0 1.5.9] +#[copyright "2024"] +#[titledesc {overtype text layout - ansi aware}] [comment {-- Name section and table of contents description --}] +#[moddesc {overtype text layout}] [comment {-- Description at end of page heading --}] +#[require overtype] +#[keywords module text ansi] +#[description] +#[para] - + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ + +#*** !doctools +#[section Overview] +#[para] overview of overtype +#[subsection Concepts] +#[para] - + + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +## Requirements +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ + +#*** !doctools +#[subsection dependencies] +#[para] packages used by overtype +#[list_begin itemized] + +package require Tcl 8.6 +package require textutil +package require punk::lib ;#required for lines_as_list +package require punk::ansi ;#required to detect, split, strip and calculate lengths +package require punk::char ;#box drawing - and also unicode character width determination for proper layout of text with double-column-width chars +#*** !doctools +#[item] [package {Tcl 8.6}] +#[item] [package textutil] +#[item] [package punk::ansi] +#[para] - required to detect, split, strip and calculate lengths of text possibly containing ansi codes +#[item] [package punk::char] +#[para] - box drawing - and also unicode character width determination for proper layout of text with double-column-width chars + +# #package require frobz +# #*** !doctools +# #[item] [package {frobz}] + +#*** !doctools +#[list_end] + + + + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +#*** !doctools +#[section API] + + +#Julian Noble - 2003 +#Released under standard 'BSD license' conditions. +# +#todo - ellipsis truncation indicator for center,right + +#v1.4 2023-07 - naive ansi color handling - todo - fix string range +# - need to extract and replace ansi codes? + +namespace eval overtype { + namespace export * + variable default_ellipsis_horizontal "..." ;#fallback + variable default_ellipsis_vertical "..." + namespace eval priv { + proc _init {} { + upvar ::overtype::default_ellipsis_horizontal e_h + upvar ::overtype::default_ellipsis_vertical e_v + set e_h [format %c 0x2026] ;#Unicode Horizontal Ellipsis + set e_v [format %c 0x22EE] + #The unicode ellipsis looks more natural than triple-dash which is centred vertically whereas ellipsis is at floorline of text + #Also - unicode ellipsis has semantic meaning that other processors can interpret + #unicode does also provide a midline horizontal ellipsis 0x22EF + + #set e [format %c 0x2504] ;#punk::char::charshort boxd_ltdshhz - Box Drawings Light Triple Dash Horizontal + #if {![catch {package require punk::char}]} { + # set e [punk::char::charshort boxd_ltdshhz] + #} + } + } + priv::_init +} +proc overtype::about {} { + return "Simple text formatting. Author JMN. BSD-License" +} + +namespace eval overtype { + variable grapheme_widths [dict create] + + variable escape_terminals + #single "final byte" in the range 0x40–0x7E (ASCII @A–Z[\]^_`a–z{|}~). + dict set escape_terminals CSI [list @ \\ ^ _ ` | ~ a b c d e f g h i j k l m n o p q r s t u v w x y z A B C D E F G H I J K L M N O P Q R S T U V W X Y Z "\{" "\}"] + #dict set escape_terminals CSI [list J K m n A B C D E F G s u] ;#basic + dict set escape_terminals OSC [list \007 \033\\] ;#note mix of 1 and 2-byte terminals + + #self-contained 2 byte ansi escape sequences - review more? + variable ansi_2byte_codes_dict + set ansi_2byte_codes_dict [dict create\ + "reset_terminal" "\u001bc"\ + "save_cursor_posn" "\u001b7"\ + "restore_cursor_posn" "\u001b8"\ + "cursor_up_one" "\u001bM"\ + "NEL - Next Line" "\u001bE"\ + "IND - Down one line" "\u001bD"\ + "HTS - Set Tab Stop" "\u001bH"\ + ] + + #debatable whether strip should reveal the somethinghidden - some terminals don't hide it anyway. + # "PM - Privacy Message" "\u001b^somethinghidden\033\\"\ +} + + +#proc overtype::stripansi {text} { +# variable escape_terminals ;#dict +# variable ansi_2byte_codes_dict +# #important that we don't spend too much time on this for plain text that doesn't contain any escapes anyway +# if {[string first \033 $text] <0 && [string first \009c $text] <0} { +# #\033 same as \x1b +# return $text +# } +# +# set text [convert_g0 $text] +# +# #we process char by char - line-endings whether \r\n or \n should be processed as per any other character. +# #line endings can theoretically occur within an ansi escape sequence (review e.g title?) +# set inputlist [split $text ""] +# set outputlist [list] +# +# set 2bytecodes [dict values $ansi_2byte_codes_dict] +# +# set in_escapesequence 0 +# #assumption - undertext already 'rendered' - ie no backspaces or carriagereturns or other cursor movement controls +# set i 0 +# foreach u $inputlist { +# set v [lindex $inputlist $i+1] +# set uv ${u}${v} +# if {$in_escapesequence eq "2b"} { +# #2nd byte - done. +# set in_escapesequence 0 +# } elseif {$in_escapesequence != 0} { +# set escseq [dict get $escape_terminals $in_escapesequence] +# if {$u in $escseq} { +# set in_escapesequence 0 +# } elseif {$uv in $escseq} { +# set in_escapseequence 2b ;#flag next byte as last in sequence +# } +# } else { +# #handle both 7-bit and 8-bit CSI and OSC +# if {[regexp {^(?:\033\[|\u009b)} $uv]} { +# set in_escapesequence CSI +# } elseif {[regexp {^(?:\033\]|\u009c)} $uv]} { +# set in_escapesequence OSC +# } elseif {$uv in $2bytecodes} { +# #self-contained e.g terminal reset - don't pass through. +# set in_escapesequence 2b +# } else { +# lappend outputlist $u +# } +# } +# incr i +# } +# return [join $outputlist ""] +#} + + + + + +proc overtype::string_columns {text} { + if {[punk::ansi::ta::detect $text]} { + #error "error string_columns is for calculating character length of string - ansi codes must be stripped/rendered first e.g with punk::ansi::stripansi. Alternatively try punk::ansi::printing_length" + set text [punk::ansi::stripansi $text] + } + return [punk::char::ansifreestring_width $text] +} + +#todo - consider a way to merge overtype::left/centre/right +#These have similar algorithms/requirements - and should be refactored to be argument-wrappers over a function called something like overtype::renderblock +#overtype::renderblock could render the input to a defined (possibly overflowing in x or y) rectangle overlapping the underlay. +#(i.e not even necessariy having it's top left within the underlay) + +#string range should generally be avoided for both undertext and overtext which contain ansi escapes and other cursor affecting chars such as \b and \r +#render onto an already-rendered (ansi already processed) 'underlay' string, a possibly ansi-laden 'overlay' string. +#The underlay and overlay can be multiline blocks of text of varying line lengths. +#The overlay may just be an ansi-colourised block - or may contain ansi cursor movements and cursor save/restore calls - in which case the apparent length and width of the overlay can't be determined as if it was a block of text. +#This is a single-shot rendering of strings - ie there is no way to chain another call containing a cursor-restore to previously rendered output and have it know about any cursor-saves in the first call. +# a cursor start position other than top-left is a possible addition to consider. +#see editbuf in punk::repl for a more stateful ansi-processor. Both systems use loops over overtype::renderline +proc overtype::left {args} { + # @c overtype starting at left (overstrike) + # @c can/should we use something like this?: 'format "%-*s" $len $overtext + variable default_ellipsis_horizontal + + if {[llength $args] < 2} { + error {usage: ?-transparent [0|1]? ?-overflow [1|0]? ?-ellipsis [1|0]? ?-ellipsistext ...? undertext overtext} + } + lassign [lrange $args end-1 end] underblock overblock + set defaults [dict create\ + -bias ignored\ + -wrap 0\ + -ellipsis 0\ + -ellipsistext $default_ellipsis_horizontal\ + -ellipsiswhitespace 0\ + -overflow 0\ + -appendlines 1\ + -transparent 0\ + -exposed1 \uFFFD\ + -exposed2 \uFFFD\ + ] + #-ellipsis args not used if -wrap is true + set argsflags [lrange $args 0 end-2] + dict for {k v} $argsflags { + switch -- $k { + -bias - -wrap - -ellipsis - -ellipsistext - -ellipsiswhitespace - -overflow - -appendlines - -transparent - -exposed1 - -exposed2 {} + default { + set known_opts [dict keys $defaults] + error "overtype::left unknown option '$k'. Known options: $known_opts" + } + } + } + set opts [dict merge $defaults $argsflags] + # -- --- --- --- --- --- + set opt_overflow [dict get $opts -overflow] + set opt_wrap [dict get $opts -wrap] ;#wrap 1 is hard wrap cutting word at exact column, or 1 column early for 2w-glyph, wrap 2 is for language-based word-wrap algorithm (todo) + #for repl - standard output line indicator is a dash - todo, add a different indicator for a continued line. + set opt_appendlines [dict get $opts -appendlines] + set opt_transparent [dict get $opts -transparent] + set opt_ellipsistext [dict get $opts -ellipsistext] + set opt_ellipsiswhitespace [dict get $opts -ellipsiswhitespace] + set opt_exposed1 [dict get $opts -exposed1] ;#widechar_exposed_left - todo + set opt_exposed2 [dict get $opts -exposed2] ;#widechar_exposed_right - todo + # -- --- --- --- --- --- + + set norm [list \r\n \n] + set underblock [string map $norm $underblock] + set overblock [string map $norm $overblock] + + #set underlines [split $underblock \n] + set underlines [lines_as_list -ansiresets 1 $underblock] + #set colwidth [tcl::mathfunc::max {*}[lmap v $underlines {punk::ansi::printing_length $v}]] + lassign [blocksize $underblock] _w colwidth _h colheight + set overlines [split $overblock \n] + #set overblock_width [tcl::mathfunc::max {*}[lmap v $overlines {punk::ansi::printing_length $v}]] + lassign [blocksize $overblock] _w overblock_width _h overblock_height + set under_exposed_max [expr {$colwidth - $overblock_width}] + set right_exposed $under_exposed_max + + #if {[punk::ansi::ta::detect_sgr [lindex $underlines 0]]} { + # set replay_codes "[punk::ansi::a]" + #} else { + # set replay_codes "" + #} + set replay_codes_underlay [dict create 1 ""] + lappend replay_codes_overlay "" + set unapplied "" + set cursor_saved_position [dict create] + set cursor_saved_attributes "" + + #underlines are not necessarily processed in order - depending on cursor-moves applied from overtext + set row 1 + set prevrow 1 + set col 1 + + set outputlines $underlines + set underlay_resets [list] + for {set overidx 0} {$overidx < [llength $overlines]} {incr overidx} { + set overtext [lindex $overlines $overidx]; lset overlines $overidx "" + set undertext [lindex $outputlines [expr {$row -1}]] + set renderedrow $row + + set pad 0 + if {$pad} { + set undertext_printlen [punk::ansi::printing_length $undertext] + if {$undertext_printlen < $colwidth} { + set udiff [expr {$colwidth - $undertext_printlen}] + append undertext [string repeat { } $udiff] + } + } + #padding of new empties needed for auto line adding to work - testing with ansi-art + if {$undertext eq ""} { + set undertext [string repeat " " $colwidth] + } else { + set undertext_printlen [punk::ansi::printing_length $undertext] + if {$undertext_printlen < $colwidth} { + set udiff [expr {$colwidth - $undertext_printlen}] + append undertext [string repeat { } $udiff] + } + } + + #examining printing length of a potentially ansi-movement-laden line in isolation makes no sense + #set overtext_printlen [punk::ansi::printing_length $overtext] + #set overflowlength [expr {$overtext_printlen - $colwidth}] + + + set overtext [string cat [lindex $replay_codes_overlay $overidx] $overtext] + if {[dict exists $replay_codes_underlay $row]} { + set undertext [string cat [dict get $replay_codes_underlay $row] $undertext] + lappend underlay_resets [list $row [dict get $replay_codes_underlay $row]] + } + #review insert_mode. As an 'overtype' function whose main function is not interactive keystrokes - insert is secondary - + #but even if we didn't want it as an option to the function call - to process ansi fully it may need to be supported (how widely supported are ansi insert-mode toggles?) + set rinfo [renderline -info 1 -insert_mode 0 -transparent $opt_transparent -width $colwidth -exposed1 $opt_exposed1 -exposed2 $opt_exposed2 -overflow $opt_overflow -cursor_column $col -cursor_row $row $undertext $overtext] + set instruction [dict get $rinfo instruction] + set rendered [dict get $rinfo result] + set overflow_right [dict get $rinfo overflow_right] + set unapplied [dict get $rinfo unapplied] + set render_col [dict get $rinfo cursor_column] + set render_row [dict get $rinfo cursor_row_change] + set c_saved_pos [dict get $rinfo cursor_saved_position] + set c_saved_attributes [dict get $rinfo cursor_saved_attributes] + set visualwidth [dict get $rinfo visualwidth] + set insert_lines_above [dict get $rinfo insert_lines_above] + set insert_lines_below [dict get $rinfo insert_lines_below] + dict set replay_codes_underlay [expr {$renderedrow+1}] [dict get $rinfo replay_codes_underlay] + lset replay_codes_overlay [expr $overidx+1] [dict get $rinfo replay_codes_overlay] + + if {[dict size $c_saved_pos] >= 1} { + set cursor_saved_position $c_saved_pos + set cursor_saved_attributes $c_saved_attributes + } + set cursor_restore_required [dict get $rinfo cursor_restore_required] + + #background line is narrower than data in line + + set overflow_handled 0 + if {!$opt_overflow} { + #not allowed to overflow column therefore we get overflow data to either truncate or wrap + if {$opt_wrap} { + #wrap by returning unapplied and overflow_right + if {$instruction eq ""} { + set instruction wrap + } + + } elseif {[dict get $opts -ellipsis]} { + set show_ellipsis 1 + if {!$opt_ellipsiswhitespace} { + #we don't want ellipsis if only whitespace was lost + set lostdata "" + if {$overflow_right ne ""} { + append lostdata $overflow_right + } + if {$unapplied ne ""} { + append lostdata $unapplied + } + if {[string trim $lostdata] eq ""} { + set show_ellipsis 0 + } + #set lostdata [string range $overtext end-[expr {$overflowlength-1}] end] + if {[string trim [ansistrip $lostdata]] eq ""} { + set show_ellipsis 0 + } + } + if {$show_ellipsis} { + set rendered [overtype::right $rendered $opt_ellipsistext] + } + set overflow_handled 1 + } else { + #no wrap - no ellipsis - silently truncate + set overflow_handled 1 + } + } + + if {$renderedrow <= [llength $outputlines]} { + lset outputlines [expr {$renderedrow-1}] $rendered + } else { + if {$opt_appendlines} { + lappend outputlines $rendered + } else { + #lset outputlines [expr {$renderedrow-1}] $rendered + } + } + + + set nextprefix "" + + if {$cursor_restore_required} { + if {[dict exists $cursor_saved_position row]} { + set row [dict get $cursor_saved_position row] + set col [dict get $cursor_saved_position column] + #puts stdout "restoring: row $row col $col [ansistring VIEW $cursor_saved_attributes] [a] unapplied [ansistring VIEWCODES $unapplied]" + #set nextprefix $cursor_saved_attributes + lset replay_codes_overlay [expr $overidx+1] $cursor_saved_attributes + set cursor_saved_position [dict create] + set cursor_saved_attributes "" + } else { + #TODO + #?restore without save? + #should move to home position and reset ansi SGR? + #puts stderr "overtype::left cursor_restore without save data available" + } + #If we were inserting prior to hitting the cursor_restore - there could be overflow_right data - generally the overtype functions aren't for inserting - but ansi could enable it + #if we were already in overflow when cursor_restore was hit - it shouldn't have been processed as an action - just stored. + if {!$overflow_handled && $overflow_right ne ""} { + #wrap before restore? - possible effect on saved cursor position + #this overflow data has previously been rendered so has no cursor movements or further save/restore operations etc + #we can just insert another call to renderline to solve this.. ? + #It would perhaps be more properly handled as a queue of instructions from our initial renderline call + #we don't need to worry about overflow next call- but we should carry forward our gx and ansi stacks + set blank [string repeat " " [punk::ansi::printing_length $overflow_right]] ;#use size of rendered overflow rather than colwidth which would add trailing space + set foldline [overtype::renderline $blank $overflow_right] + linsert outputlines $renderedrow $foldline + #review - row & col set by restore - but not if there was no save.. + } + set overflow_handled 1 + } else { + #todo - handle potential insertion mode as above for cursor restore? + + #keeping separate branches for debugging - review and merge as appropriate when stable + switch -- $instruction { + "" { + if {$unapplied eq ""} { + #consumed all overlay - no instruction + set col 1 + incr row + } else { + set col 1 + incr row + } + } + up { + #renderline already knows not to go above l + set row $render_row + set col $render_col + } + down { + #renderline doesn't know how far down we can go.. + if {$render_row > [llength $outputlines]} { + set row [llength $outputlines] + } else { + set row $render_row + } + + set col $render_col + } + move { + if {$render_row > [llength $outputlines]} { + set row [llength $outputlines] + } else { + set row $render_row + } + set col $render_col + #overflow + unapplied? + } + newline_above - newline_below { + #todo + } + wrap { + #hard wraps in this context. + incr row + set col 1 + } + vt { + #can vt add a line like a linefeed can? + set row $render_row + set col $render_col + } + default { + puts stderr "overtype::left unhandled renderline instruction '$instruction'" + } + + } + } + + if {!$overflow_handled} { + append nextprefix $overflow_right + } + append nextprefix $unapplied + #if {$instruction ne ""} { + # puts "---->>instruction:'$instruction' nextprefix:[ansistring VIEW $nextprefix]<<---" + #} + if {$nextprefix ne ""} { + set nextoveridx [expr {$overidx+1}] + if {$nextoveridx >= [llength $overlines]} { + lappend overlines $nextprefix + } else { + #lset overlines $nextoveridx $nextprefix[lindex $overlines $nextoveridx] + set overlines [linsert $overlines $nextoveridx $nextprefix] + } + } + + + + #dict set replay_codes_underlay [expr {$renderedrow+1}] [dict get $rinfo replay_codes_underlay] + #lset replay_codes_overlay [expr $overidx+1] [dict get $rinfo replay_codes_overlay] + + set prevrow $row + } + #puts stdout $underlay_resets + return [join $outputlines \n] +} + +namespace eval overtype::piper { + proc overcentre {args} { + if {[llength $args] < 2} { + error {usage: ?-bias left|right? ?-transparent [0|1|]? ?-exposed1 ? ?-exposed2 ? ?-overflow [1|0]? overtext pipelinedata} + } + lassign [lrange $args end-1 end] over under + set argsflags [lrange $args 0 end-2] + tailcall overtype::centre {*}$argsflags $under $over + } + proc overleft {args} { + if {[llength $args] < 2} { + error {usage: ?-startcolumn ? ?-transparent [0|1|]? ?-exposed1 ? ?-exposed2 ? ?-overflow [1|0]? overtext pipelinedata} + } + lassign [lrange $args end-1 end] over under + set argsflags [lrange $args 0 end-2] + tailcall overtype::left {*}$argsflags $under $over + } +} +#todo - left-right ellipsis ? +proc overtype::centre {args} { + variable default_ellipsis_horizontal + if {[llength $args] < 2} { + error {usage: ?-transparent [0|1]? ?-bias [left|right]? ?-overflow [1|0]? undertext overtext} + } + + foreach {underblock overblock} [lrange $args end-1 end] break + + #todo - vertical vs horizontal overflow for blocks + set defaults [dict create\ + -bias left\ + -ellipsis 0\ + -ellipsistext $default_ellipsis_horizontal\ + -ellipsiswhitespace 0\ + -overflow 0\ + -transparent 0\ + -exposed1 \uFFFD\ + -exposed2 \uFFFD\ + ] + set argsflags [lrange $args 0 end-2] + dict for {k v} $argsflags { + switch -- $k { + -bias - -ellipsis - -ellipsistext - -ellipsiswhitespace - -overflow - -transparent - -exposed1 - -exposed2 {} + default { + set known_opts [dict keys $defaults] + error "overtype::centre unknown option '$k'. Known options: $known_opts" + } + } + } + set opts [dict merge $defaults $argsflags] + # -- --- --- --- --- --- + set opt_transparent [dict get $opts -transparent] + set opt_ellipsis [dict get $opts -ellipsis] + set opt_ellipsistext [dict get $opts -ellipsistext] + set opt_ellipsiswhitespace [dict get $opts -ellipsiswhitespace] + set opt_exposed1 [dict get $opts -exposed1] + set opt_exposed2 [dict get $opts -exposed2] + # -- --- --- --- --- --- + + + set norm [list \r\n \n] + set underblock [string map $norm $underblock] + set overblock [string map $norm $overblock] + + set underlines [split $underblock \n] + #set colwidth [tcl::mathfunc::max {*}[lmap v $underlines {punk::ansi::printing_length $v}]] + lassign [blocksize $underblock] _w colwidth _h colheight + set overlines [split $overblock \n] + #set overblock_width [tcl::mathfunc::max {*}[lmap v $overlines {punk::ansi::printing_length $v}]] + lassign [blocksize $overblock] _w overblock_width _h overblock_height + set under_exposed_max [expr {$colwidth - $overblock_width}] + if {$under_exposed_max > 0} { + #background block is wider + if {$under_exposed_max % 2 == 0} { + #even left/right exposure + set left_exposed [expr {$under_exposed_max / 2}] + } else { + set beforehalf [expr {$under_exposed_max / 2}] ;#1 less than half due to integer division + if {[string tolower [dict get $opts -bias]] eq "left"} { + set left_exposed $beforehalf + } else { + #bias to the right + set left_exposed [expr {$beforehalf + 1}] + } + } + } else { + set left_exposed 0 + } + + set outputlines [list] + if {[punk::ansi::ta::detect_sgr [lindex $overlines 0]]} { + set replay_codes "[punk::ansi::a]" + } else { + set replay_codes "" + } + set replay_codes_underlay "" + set replay_codes_overlay "" + foreach undertext $underlines overtext $overlines { + set overtext_datalen [punk::ansi::printing_length $overtext] + set ulen [punk::ansi::printing_length $undertext] + if {$ulen < $colwidth} { + set udiff [expr {$colwidth - $ulen}] + set undertext "$undertext[string repeat { } $udiff]" + } + set undertext [string cat $replay_codes_underlay $undertext] + set overtext [string cat $replay_codes_overlay $overtext] + + set overflowlength [expr {$overtext_datalen - $colwidth}] + #review - right-to-left langs should elide on left! - extra option required + + if {$overflowlength > 0} { + #overlay line wider or equal + set rinfo [renderline -info 1 -insert_mode 0 -transparent $opt_transparent -overflow [dict get $opts -overflow] -exposed1 $opt_exposed1 -exposed2 $opt_exposed2 $undertext $overtext] + set rendered [dict get $rinfo result] + set overflow_right [dict get $rinfo overflow_right] + set unapplied [dict get $rinfo unapplied] + #todo - get replay_codes from overflow_right instead of wherever it was truncated? + + #overlay line data is wider - trim if overflow not specified in opts - and overtype an ellipsis at right if it was specified + if {![dict get $opts -overflow]} { + #lappend outputlines [string range $overtext 0 [expr {$colwidth - 1}]] + #set overtext [string range $overtext 0 $colwidth-1 ] + if {$opt_ellipsis} { + set show_ellipsis 1 + if {!$opt_ellipsiswhitespace} { + #we don't want ellipsis if only whitespace was lost + #don't use string range on ANSI data + #set lostdata [string range $overtext end-[expr {$overflowlength-1}] end] + set lostdata "" + if {$overflow_right ne ""} { + append lostdata $overflow_right + } + if {$unapplied ne ""} { + append lostdata $unapplied + } + if {[string trim $lostdata] eq ""} { + set show_ellipsis 0 + } + } + if {$show_ellipsis} { + set rendered [overtype::right $rendered $opt_ellipsistext] + } + } + } + lappend outputlines $rendered + #lappend outputlines [renderline -insert_mode 0 -transparent $opt_transparent $undertext $overtext] + } else { + #background block is wider than or equal to data for this line + #lappend outputlines [renderline -insert_mode 0 -startcolumn [expr {$left_exposed + 1}] -transparent $opt_transparent -exposed1 $opt_exposed1 -exposed2 $opt_exposed2 $undertext $overtext] + set rinfo [renderline -info 1 -insert_mode 0 -startcolumn [expr {$left_exposed + 1}] -transparent $opt_transparent -exposed1 $opt_exposed1 -exposed2 $opt_exposed2 $undertext $overtext] + lappend outputlines [dict get $rinfo result] + } + set replay_codes_underlay [dict get $rinfo replay_codes_underlay] + set replay_codes_overlay [dict get $rinfo replay_codes_overlay] + } + return [join $outputlines \n] +} + +proc overtype::right {args} { + #NOT the same as align-right - which should be done to the overblock first if required + variable default_ellipsis_horizontal + # @d !todo - implement overflow, length checks etc + + if {[llength $args] < 2} { + error {usage: ?-overflow [1|0]? ?-transparent 0|? undertext overtext} + } + foreach {underblock overblock} [lrange $args end-1 end] break + + set defaults [dict create\ + -bias ignored\ + -ellipsis 0\ + -ellipsistext $default_ellipsis_horizontal\ + -ellipsiswhitespace 0\ + -overflow 0\ + -transparent 0\ + -exposed1 \uFFFD\ + -exposed2 \uFFFD\ + -align "left"\ + ] + set argsflags [lrange $args 0 end-2] + dict for {k v} $argsflags { + switch -- $k { + -bias - -ellipsis - -ellipsistext - -ellipsiswhitespace - -overflow - -transparent - -exposed1 - -exposed2 - -align {} + default { + set known_opts [dict keys $defaults] + error "overtype::centre unknown option '$k'. Known options: $known_opts" + } + } + } + set opts [dict merge $defaults $argsflags] + # -- --- --- --- --- --- + set opt_transparent [dict get $opts -transparent] + set opt_ellipsis [dict get $opts -ellipsis] + set opt_ellipsistext [dict get $opts -ellipsistext] + set opt_ellipsiswhitespace [dict get $opts -ellipsiswhitespace] + set opt_overflow [dict get $opts -overflow] + set opt_exposed1 [dict get $opts -exposed1] + set opt_exposed2 [dict get $opts -exposed2] + set opt_align [dict get $opts -align] + # -- --- --- --- --- --- + + set norm [list \r\n \n] + set underblock [string map $norm $underblock] + set overblock [string map $norm $overblock] + + set underlines [split $underblock \n] + #set colwidth [tcl::mathfunc::max {*}[lmap v $underlines {punk::ansi::printing_length $v}]] + lassign [blocksize $underblock] _w colwidth _h colheight + set overlines [split $overblock \n] + #set overblock_width [tcl::mathfunc::max {*}[lmap v $overlines {punk::ansi::printing_length $v}]] + lassign [blocksize $overblock] _w overblock_width _h overblock_height + set under_exposed_max [expr {max(0,$colwidth - $overblock_width)}] + set left_exposed $under_exposed_max + + + + set outputlines [list] + if {[punk::ansi::ta::detect_sgr [lindex $overlines 0]]} { + set replay_codes "[punk::ansi::a]" + } else { + set replay_codes "" + } + set replay_codes_underlay "" + set replay_codes_overlay "" + foreach undertext $underlines overtext $overlines { + set overtext_datalen [punk::ansi::printing_length $overtext] + set ulen [punk::ansi::printing_length $undertext] + if {$ulen < $colwidth} { + set udiff [expr {$colwidth - $ulen}] + #puts xxx + append undertext [string repeat { } $udiff] + } + if {$overtext_datalen < $overblock_width} { + set odiff [expr {$overblock_width - $overtext_datalen}] + switch -- $opt_align { + left { + set startoffset 0 + } + right { + set startoffset $odiff + } + default { + set half [expr {$odiff / 2}] + #set lhs [string repeat { } $half] + #set righthalf [expr {$odiff - $half}] ;#remainder - may be one more - so we are biased left + #set rhs [string repeat { } $righthalf] + set startoffset $half + } + } + } else { + set startoffset 0 ;#negative? + } + + set undertext [string cat $replay_codes_underlay $undertext] + set overtext [string cat $replay_codes_overlay $overtext] + + set overflowlength [expr {$overtext_datalen - $colwidth}] + if {$overflowlength > 0} { + #raw overtext wider than undertext column + set rinfo [renderline -info 1 -insert_mode 0 -transparent $opt_transparent -exposed1 $opt_exposed1 -exposed2 $opt_exposed2 -overflow $opt_overflow -startcolumn [expr {1 + $startoffset}] $undertext $overtext] + set replay_codes [dict get $rinfo replay_codes] + set rendered [dict get $rinfo result] + if {!$opt_overflow} { + if {$opt_ellipsis} { + set show_ellipsis 1 + if {!$opt_ellipsiswhitespace} { + #we don't want ellipsis if only whitespace was lost + set lostdata [string range $overtext end-[expr {$overflowlength-1}] end] + if {[string trim $lostdata] eq ""} { + set show_ellipsis 0 + } + } + if {$show_ellipsis} { + set ellipsis [string cat $replay_codes $opt_ellipsistext] + #todo - overflow on left if allign = right?? + set rendered [overtype::right $rendered $ellipsis] + } + } + } + lappend outputlines $rendered + } else { + #padded overtext + #lappend outputlines [renderline -insert_mode 0 -transparent $opt_transparent -startcolumn [expr {$left_exposed + 1}] $undertext $overtext] + #Note - we still need overflow here - as although the overtext is short - it may oveflow due to the startoffset + set rinfo [renderline -info 1 -insert_mode 0 -transparent $opt_transparent -overflow $opt_overflow -startcolumn [expr {$left_exposed + 1 + $startoffset}] $undertext $overtext] + lappend outputlines [dict get $rinfo result] + } + set replay_codes [dict get $rinfo replay_codes] + set replay_codes_underlay [dict get $rinfo replay_codes_underlay] + set replay_codes_overlay [dict get $rinfo replay_codes_overlay] + } + + return [join $outputlines \n] +} + +# -- --- --- --- --- --- --- --- --- --- --- +proc overtype::transparentline {args} { + foreach {under over} [lrange $args end-1 end] break + set argsflags [lrange $args 0 end-2] + set defaults [dict create\ + -transparent 1\ + -exposed 1 " "\ + -exposed 2 " "\ + ] + set newargs [dict merge $defaults $argsflags] + tailcall overtype::renderline {*}$newargs $under $over +} +#renderline may not make sense as it is in the long run for blocks of text - but is handy in the single-line-handling form anyway. +# We are trying to handle ansi codes in a block of text which is acting like a mini-terminal in some sense. +#We can process standard cursor moves such as \b \r - but no way to respond to other cursor movements e.g moving to other lines. +# +namespace eval overtype::piper { + proc renderline {args} { + if {[llength $args] < 2} { + error {usage: ?-start ? ?-transparent [0|1|]? ?-overflow [1|0]? overtext pipelinedata} + } + foreach {over under} [lrange $args end-1 end] break + set argsflags [lrange $args 0 end-2] + tailcall overtype::renderline {*}$argsflags $under $over + } +} +interp alias "" piper_renderline "" overtype::piper::renderline + +#intended for single grapheme - but will work for multiple +#cannot contain ansi or newlines +#(a cache of ansifreestring_width calls - as these are quite regex heavy) +proc overtype::grapheme_width_cached {ch} { + variable grapheme_widths + if {[dict exists $grapheme_widths $ch]} { + return [dict get $grapheme_widths $ch] + } + set width [punk::char::ansifreestring_width $ch] + dict set grapheme_widths $ch $width + return $width +} + +#v2 +#-returnextra to enable returning of overflow and length +#review - use punk::ansi::ta::detect to short-circuit processing and do simpler string calcs as an optimisation? +#review - DECSWL/DECDWL double width line codes - very difficult/impossible to align and compose with other elements +#todo - review transparency issues with single/double width characters +#bidi - need a base direction and concept of directional runs for RTL vs LTR - may be best handled at another layer? +proc overtype::renderline {args} { + if {[llength $args] < 2} { + error {usage: ?-info 0|1? ?-startcolumn ? ?-cursor_column ? ?-cursor_row |""? ?-transparent [0|1|]? ?-overflow [1|0]? undertext overtext} + } + lassign [lrange $args end-1 end] under over + if {[string first \n $under] >= 0} { + error "overtype::renderline not allowed to contain newlines in undertext" + } + #if {[string first \n $over] >=0 || [string first \n $under] >= 0} { + # error "overtype::renderline not allowed to contain newlines" + #} + + set defaults [dict create\ + -etabs 0\ + -width \uFFEF\ + -overflow 0\ + -transparent 0\ + -startcolumn 1\ + -cursor_column 1\ + -cursor_row ""\ + -insert_mode 1\ + -info 0\ + -exposed1 \uFFFD\ + -exposed2 \uFFFD\ + ] + #cursor_row, when numeric will allow detection of certain row moves that are still within our row - allowing us to avoid an early return + #An empty string for cursor_row tells us we have no info about our own row context, and to return with an unapplied string if any row move occurs + + #exposed1 and exposed2 for first and second col of underying 2wide char which is truncated by transparency or overflow + #todo - return info about such grapheme 'cuts' in -info structure and/or create option to raise an error + + set argsflags [lrange $args 0 end-2] + dict for {k v} $argsflags { + switch -- $k { + -width - -overflow - -transparent - -startcolumn - -cursor_column - -cursor_row - -insert_mode - -info - -exposed1 - -exposed2 {} + default { + set known_opts [dict keys $defaults] + error "overtype::renderline unknown option '$k'. Known options: $known_opts" + } + } + } + set opts [dict merge $defaults $argsflags] + # -- --- --- --- --- --- --- --- --- --- --- --- + set opt_width [dict get $opts -width] + set opt_etabs [dict get $opts -etabs] + set opt_overflow [dict get $opts -overflow] + set opt_colstart [dict get $opts -startcolumn] ;#lhs limit for overlay - an offset to cursor_column - first visible column is 1. 0 or < 0 are before the start of the underlay + set opt_colcursor [dict get $opts -cursor_column];#start cursor column relative to overlay + set opt_row_context [dict get $opts -cursor_row] + if {[string length $opt_row_context]} { + if {![string is integer -strict $opt_row_context] || $opt_row_context <1 } { + error "overtype::renderline -cursor_row must be empty for unspecified/unknown or a non-zero positive integer. received: '$opt_row_context'" + } + } + set opt_insert_mode [dict get $opts -insert_mode];#should usually be 1 for each new line in editor mode but must be initialised to 1 externally (review) + #default is for overtype + # -- --- --- --- --- --- --- --- --- --- --- --- + set opt_transparent [dict get $opts -transparent] + if {$opt_transparent eq "0"} { + set do_transparency 0 + } else { + set do_transparency 1 + if {$opt_transparent eq "1"} { + set opt_transparent {[\s]} + } + } + # -- --- --- --- --- --- --- --- --- --- --- --- + set opt_returnextra [dict get $opts -info] + # -- --- --- --- --- --- --- --- --- --- --- --- + set opt_exposed1 [dict get $opts -exposed1] + set opt_exposed2 [dict get $opts -exposed2] + # -- --- --- --- --- --- --- --- --- --- --- --- + + #if {$opt_row_context eq ""} { + # set cursor_row 0 ;#we aren't allowed to make assumptions about our context. zero represents cursor_row_change - not an absolute row (for which zero is invalid anyway) + #} else { + # set cursor_row "=$opt_row_context" ;#we are at this row number in the greater context - allow moves that explicitly refer to this row without returning prematurely + #} + if {$opt_row_context eq ""} { + set cursor_row 1 + } else { + set cursor_row $opt_row_context + } + + + #----- + # + if {[info exists punk::console::tabwidth]} { + #punk console is updated if punk::console::set_tabstop_width is used or rep is started/restarted + #It is way too slow to test the current width by querying the terminal here - so it could conceivably get out of sync + set tw $::punk::console::tabwidth + } else { + set tw 8 + } + if {!$opt_etabs} { + if {[string first \t $under] >= 0} { + #set under [textutil::tabify::untabify2 $under] + set under [textutil::tabify::untabifyLine $under $tw] + } + set overdata $over + if {[string first \t $over] >= 0} { + #set overdata [textutil::tabify::untabify2 $over] + set overdata [textutil::tabify::untabifyLine $over $tw] + } + } + #------- + + #ta_detect ansi and do simpler processing? + + #we repeat tests for grapheme width in different loops - rather than create another datastructure to store widths based on column, + #we'll use the grapheme_width_cached function as a lookup table of all graphemes encountered - as there will often be repeats in different positions anyway. + + # -- --- --- --- --- --- --- --- + if {$under ne ""} { + set undermap [punk::ansi::ta::split_codes_single $under] + } else { + set undermap [list] + } + set understacks [list] + + set i_u -1 ;#underlay may legitimately be empty + set undercols [list] + set u_codestack [list] + #u_gx_stack probably isn't really a stack - I don't know if g0 g1 can stack or not - for now we support only g0 anyway + set u_gx_stack [list] ;#separate stack for g0 (g1 g2 g3?) graphics on and off (DEC special graphics) + #set understacks_gx [dict create] + set understacks_gx [list] + set pt_underchars "" ;#for string_columns length calculation for overflow 0 truncation + set remainder [list] ;#for returnextra + foreach {pt code} $undermap { + #pt = plain text + append pt_underchars $pt + foreach grapheme [punk::char::grapheme_split $pt] { + #an ugly hack to serve *some* common case ascii quickly with byte-compiled literal switch - feels dirty. + #.. but even 0.5uS per char (grapheme_width_cached) adds up quickly when stitching lots of lines together. + switch -- $grapheme { + " " - - - _ - ! - @ - # - $ - % - ^ - & - * - = - + - : - . - , - / - | - ? - a - b - c - d - e - f - g - h - i - j - k - l - m - n - o - p - q - r - s - t - u - v - w - x - y - z - A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z - 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 { + set width 1 + } + default { + set width [grapheme_width_cached $grapheme] + } + } + #set width [grapheme_width_cached $grapheme] + incr i_u + lappend understacks $u_codestack + lappend understacks_gx $u_gx_stack + + lappend undercols $grapheme + if {$width > 1} { + #presumably there are no triple-column or wider unicode chars.. until the aliens arrive.(?) + #but what about emoji combinations etc - can they be wider than 2? + #todo - if -etabs enabled - then we treat \t as the width determined by our elastic tabstop + incr i_u + lappend understacks $u_codestack + lappend understacks_gx $u_gx_stack + lappend undercols "" + } + } + + #underlay should already have been rendered and not have non-sgr codes - but let's retain the check for them and not stack them if other codes are here + + #only stack SGR (graphics rendition) codes - not title sets, cursor moves etc + #order of if-else based on assumptions: + # that pure resets are fairly common - more so than leading resets with other info + # that non-sgr codes are not that common, so ok to check for resets before verifying it is actually SGR at all. + if {$code ne ""} { + if {[punk::ansi::codetype::is_sgr_reset $code]} { + set u_codestack [list] + } elseif {[punk::ansi::codetype::has_sgr_leadingreset $code]} { + set u_codestack [list $code] + } elseif {[punk::ansi::codetype::is_sgr $code]} { + #basic simplification first.. straight dups + set dup_posns [lsearch -all -exact $u_codestack $code] ;#-exact because of square-bracket glob chars + set u_codestack [lremove $u_codestack {*}$dup_posns] + lappend u_codestack $code + } else { + #leave SGR stack as is + if {[punk::ansi::codetype::is_gx_open $code]} { + set u_gx_stack [list gx0_on] ;#we'd better use a placeholder - or debugging will probably get into a big mess + } elseif {[punk::ansi::codetype::is_gx_close $code]} { + set u_gx_stack [list] + } + } + } + + #consider also if there are other codes that should be stacked..? + } + + #trailing codes in effect for underlay + #replay code for last overlay position in input line + # whether or not we get that far - we need to return it for possible replay on next line + if {[llength $undermap]} { + #dict set understacks [expr {$i_u + 1}] $u_codestack ;#This is one column higher than our input + lappend understacks $u_codestack + #set replay_codes_underlay [join $u_codestack ""] + set replay_codes_underlay [punk::ansi::codetype::sgr_merge {*}$u_codestack] + + # For gx we need the column after the data too ? + #dict set understacks_gx [expr {$i_u +1}] $u_gx_stack + lappend understacks_gx $u_gx_stack + } else { + set replay_codes_underlay "" + #in case overlay onto emptystring as underlay + #dict set understacks 0 [list] + lappend understacks [list] + #dict set understacks_gx 0 [list] + lappend understacks_gx [list] + } + #note - be careful.. understacks 1 bigger than input - for insertion at end (review) + + + # -- --- --- --- --- --- --- --- + #### + #if opt_colstart - we need to build a space (or any singlewidth char really) padding on the left of the right number of columns. + #this will be processed as transparent - and handle doublewidth underlay characters appropriately + set startpad_overlay [string repeat " " [expr {$opt_colstart -1}]] + append startpad_overlay $overdata ;#overdata with left padding spaces based on col-start under will show through for left-padding portion regardless of -transparency + set overmap [punk::ansi::ta::split_codes_single $startpad_overlay] + #### + + #??? + set colcursor $opt_colstart + + #set re_diacritics {[\u0300-\u036f]+|[\u1ab0-\u1aff]+|[\u1dc0-\u1dff]+|[\u20d0-\u20ff]+|[\ufe20-\ufe2f]+} + #as at 2024-02 punk::char::grapheme_split uses these - not aware of more complex graphemes + + + set overstacks [list] + set overstacks_gx [list] + + set o_codestack [list]; #SGR codestack (not other codes such as movement,insert key etc) + set o_gxstack [list] + set pt_overchars "" + set i_o 0 + set overlay_grapheme_control_list [list] ;#tag each with g, sgr or other. 'other' are things like cursor-movement or insert-mode or codes we don't recognise/use + foreach {pt code} $overmap { + append pt_overchars $pt + #will get empty pt between adjacent codes + foreach grapheme [punk::char::grapheme_split $pt] { + lappend overstacks $o_codestack + lappend overstacks_gx $o_gxstack + incr i_o + lappend overlay_grapheme_control_list [list g $grapheme] + } + + #only stack SGR (graphics rendition) codes - not title sets, cursor moves etc + #order of if-else based on assumptions: + # that pure resets are fairly common - more so than leading resets with other info + # that non-sgr codes are not that common, so ok to check for resets before verifying it is actually SGR at all. + if {$code ne ""} { + #there will always be an empty code at end due to foreach on 2 vars with odd-sized list ending with pt (overmap coming from perlish split) + if {[punk::ansi::codetype::is_sgr_reset $code]} { + set o_codestack [list] + lappend overlay_grapheme_control_list [list sgr $code] + } elseif {[punk::ansi::codetype::has_sgr_leadingreset $code]} { + set o_codestack [list $code] + lappend overlay_grapheme_control_list [list sgr $code] + } elseif {[priv::is_sgr $code]} { + #basic simplification first - remove straight dupes + set dup_posns [lsearch -all -exact $o_codestack $code] ;#must be -exact because of square-bracket glob chars + set o_codestack [lremove $o_codestack {*}$dup_posns] + lappend o_codestack $code + lappend overlay_grapheme_control_list [list sgr $code] + } else { + if {[punk::ansi::codetype::is_gx_open $code]} { + set o_gxstack [list "gx0_on"] + lappend overlay_grapheme_control_list [list gx0 gx0_on] ;#don't store code - will complicate debugging if we spit it out and jump character sets + } elseif {[punk::ansi::codetype::is_gx_close $code]} { + set o_gxstack [list] + lappend overlay_grapheme_control_list [list gx0 gx0_off] ;#don't store code - will complicate debugging if we spit it out and jump character sets + } else { + lappend overlay_grapheme_control_list [list other $code] + } + } + } + + } + #replay code for last overlay position in input line - should take account of possible trailing sgr code after last grapheme + set max_overlay_grapheme_index [expr {$i_o -1}] + lappend overstacks $o_codestack + lappend overstacks_gx $o_gxstack + + #set replay_codes_overlay [join $o_codestack ""] + set replay_codes_overlay [punk::ansi::codetype::sgr_merge {*}$o_codestack] + + #if {[dict exists $overstacks $max_overlay_grapheme_index]} { + # set replay_codes_overlay [join [dict get $overstacks $max_overlay_grapheme_index] ""] + #} else { + # set replay_codes_overlay "" + #} + # -- --- --- --- --- --- --- --- + + + #potential problem - combinining diacritics directly following control chars like \r \b + + # -- --- --- + #we need to initialise overflow_idx before any potential row-movements - as they need to perform a loop break and force in_excess to 1 + if {$opt_overflow} { + #somewhat counterintuitively - overflow true means we can have lines as long as we want, but either way there can be excess data that needs to be thrown back to the calling loop. + set overflow_idx -1 + } else { + #overflow zero - we can't grow beyond our column width - so we get ellipsis or truncation + if {$opt_width ne "\uFFEF"} { + set overflow_idx $opt_width + } else { + #review - this is also the cursor position when adding a char at end of line? + set overflow_idx [expr {[llength $undercols]}] ;#index at which we would be *in* overflow a row move may still override it + } + } + # -- --- --- + + set outcols $undercols ;#leave undercols as is, outcols can potentially be appended to. + + set unapplied "" ;#if we break for move row (but not for /v ?) + set insert_lines_above 0 ;#return key + set insert_lines_below 0 + set instruction "" + + # -- --- --- + #cursor_save_dec, cursor_restore_dec etc + set cursor_restore_required 0 + set cursor_saved_attributes "" + set cursor_saved_position "" + # -- --- --- + + #set idx 0 ;# line index (cursor - 1) + #set idx [expr {$opt_colstart + $opt_colcursor} -1] + + #idx is the per column output index + set idx [expr {$opt_colcursor -1}] ;#don't use opt_colstart here - we have padded and won't start emitting until idx reaches opt_colstart-1 + set cursor_column $opt_colcursor + #idx_over is the per grapheme overlay index + set idx_over -1 + + + #movements only occur within the overlay range. + #an underlay is however not necessary.. e.g + #renderline -overflow 1 "" data + #foreach {pt code} $overmap {} + set insert_mode $opt_insert_mode ;#default 1 + set in_overflow 0 + #puts "-->$overlay_grapheme_control_list<--" + #puts "-->overflow_idx: $overflow_idx" + for {set gci 0} {$gci < [llength $overlay_grapheme_control_list]} {incr gci} { + set gc [lindex $overlay_grapheme_control_list $gci] + lassign $gc type item + + #emit plaintext chars first using existing SGR codes from under/over stack as appropriate + #then check if the following code is a cursor movement within the line and adjust index if so + #foreach ch $overlay_graphemes {} + switch -- $type { + g { + set ch $item + incr idx_over; #idx_over (until unapplied reached anyway) is per *grapheme* in the overlay - not per col. + + set within_undercols [expr {$idx <= [llength $undercols]-1}] ;#within our original data width + + if {$in_overflow} { + #render any char - even \b\v\r into outcols - will become part of overflow + #no stacks added from here on - raw codes go into overflow/remainder + priv::render_addchar $idx $ch [list] [list] $insert_mode + incr idx ;#width doesn't matter from here on - idx once in overflow no longer represents columns + } else { + + if {$overflow_idx != -1} { + #review - how to check arbitrary length item such as tab is going to overflow .. before we get to overflow_idx? + #call grapheme_width_cached on each ch, or look for tab specifically as it's currently the only known reason to have a grapheme width > 2? + #we need to decide what a tab spanning the overflow_idx means and how it affects wrap etc etc + if {$idx == $overflow_idx-1} { + set owidth [grapheme_width_cached $ch] + if {$owidth == 2} { + #review split 2w overflow? + #we don't want to split a 2w into replacement characters at end of line and beginning of next line + #better to consider the overlay char as unable to be applied to the line + #render empty string to column - and reduce overlay grapheme index by one so that the current ch goes into unapplied + #we have the option here to put the 2w in the normal overflow and continue, instead of adding to unapplied and throwing back to caller + #throwing back to caller with instruction complicates its job - but might be necessary to avoid making decsions for it here. + #REVIEW - decide one way or another, update callers as necessary and chop unused branch. + set continue 1 + if $continue { + priv::render_addchar $idx "" [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + set overflow_idx $idx + #incr idx + set in_overflow 1 + incr gci -1 + #priv::render_addchar $idx $ch [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + continue + } else { + priv::render_addchar $idx "" [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + #change the overflow_idx + set overflow_idx $idx + incr idx + incr idx_over -1 ;#set overlay grapheme index back one so that current ch is considered unapplied + priv::render_unapplied $overlay_grapheme_control_list [expr {$gci-1}] ;#note $gci-1 instead of just gci + #throw back to caller's loop - add instruction to caller as this is not the usual case + set instruction overflow_splitchar + break + } + } elseif {$owidth > 2} { + #? tab? + #TODO! + puts stderr "overtype::renderline long overtext grapheme '[ansistring VIEW -lf 1 -vt 1 $ch]' not handled" + #tab of some length dependent on tabstops/elastic tabstop settings? + } + } elseif {$idx == $overflow_idx} { + #don't incr cursor_column beyond the overflow_idx + set in_overflow 1 + priv::render_addchar $idx $ch [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + incr idx + continue + } + } + + + + if {($idx < ($opt_colstart -1))} { + incr idx + } elseif {($do_transparency && [regexp $opt_transparent $ch])} { + #pre opt_colstart is effectively transparent (we have applied padding of required number of columns to left of overlay) + if {$idx > [llength $outcols]-1} { + lappend outcols " " + #dict set understacks $idx [list] ;#review - use idx-1 codestack? + lset understacks $idx [list] + incr idx + incr cursor_column + } else { + #todo - punk::char::char_width + set g [lindex $outcols $idx] + set uwidth [grapheme_width_cached $g] + if {[lindex $outcols $idx] eq ""} { + #2nd col of 2-wide char in underlay + incr idx + incr cursor_column + } elseif {$uwidth == 0} { + #e.g control char ? combining diacritic ? + incr idx + incr cursor_column + } elseif {$uwidth == 1} { + set owidth [grapheme_width_cached $ch] + incr idx + incr cursor_column + if {$owidth > 1} { + incr idx + incr cursor_column + } + } elseif {$uwidth > 1} { + if {[grapheme_width_cached $ch] == 1} { + if {!$insert_mode} { + #normal singlewide transparent overlay onto double-wide underlay + set next_pt_overchar [string index $pt_overchars $idx_over+1] ;#lookahead of next plain-text char in overlay + if {$next_pt_overchar eq ""} { + #special-case trailing transparent - no next_pt_overchar + incr idx + incr cursor_column + } else { + if {[regexp $opt_transparent $next_pt_overchar]} { + incr idx + incr cursor_column + } else { + #next overlay char is not transparent.. first-half of underlying 2wide char is exposed + #priv::render_addchar $idx $opt_exposed1 [dict get $overstacks $idx_over] [dict get $overstacks_gx $idx_over] $insert_mode + priv::render_addchar $idx $opt_exposed1 [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + incr idx + incr cursor_column + } + } + } else { + #? todo - decide what transparency even means for insert mode + incr idx + incr cursor_column + } + } else { + #2wide transparency over 2wide in underlay - review + incr idx + incr cursor_column + } + } + } + } else { + set chtest [string map [list \n \b \r \v \x7f ] $ch] + switch -- $chtest { + "" { + incr cursor_row + + #override overflow_idx even if it was set to -1 due to opt_overflow = 1|2 + set overflow_idx $idx + #idx_over already incremented + priv::render_unapplied $overlay_grapheme_control_list $gci + + if {$idx == 0} { + set insert_lines_above 1 ;#keep for consistency with ansi sequence that requests insertion of line(s)? + set instruction newline_above + } else { + set insert_lines_below 1 + set instruction newline_below + } + break + #set cursor_column 1 + } + "" { + set idx [expr {$opt_colstart -1}] + set cursor_column 1 ;#? + } + "" { + #literal backspace char - not necessarily from keyboard + #review - backspace effect on double-width chars - we are taking a column-editing perspective in overtype + #(important for -transparent option - hence replacement chars for half-exposed etc) + #review - overstrike support as per nroff/less (generally considered an old technology replaced by unicode mechanisms and/or ansi SGR) + if {$idx > ($opt_colstart -1)} { + incr idx -1 + incr cursor_column -1 + } else { + set flag 0 + if $flag { + #review - conflicting requirements? Need a different sequence for destructive interactive backspace? + priv::render_unapplied $overlay_grapheme_control_list $gci + set instruction backspace_at_start + break + } + } + } + "" { + #literal del character - some terminals send just this for what is generally expected to be a destructive backspace + #We instead treat this as a pure delete at current cursor position - it is up to the repl or terminal to remap backspace key to a sequence that has the desired effect. + priv::render_delchar $idx + } + "" { + #end processing this overline. rest of line is remainder. cursor for column as is. + incr cursor_row + set overflow_idx $idx + #idx_over has already been incremented as this is both a movement-control and in some sense a grapheme + priv::render_unapplied $overlay_grapheme_control_list $gci + set instruction vt + break + } + default { + + #non-transparent char in overlay + set uwidth [grapheme_width_cached [lindex $outcols $idx]] + + if {$within_undercols && [lindex $outcols $idx] eq ""} { + #2nd col of 2wide char in underlay + if {!$insert_mode} { + priv::render_addchar $idx $ch [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] 0 + #JMN - this has to expose if our startposn chopped an underlay - but not if we already overwrote the first half of the widechar underlay grapheme + #e.g renderline \uFF21\uFF21--- a\uFF23\uFF23 + #vs + # renderline -startcolumn 2 \uFF21---- \uFF23 + if {[lindex $outcols $idx-1] != ""} { + #verified it's an empty following a filled - so it's a legit underlay remnant (REVIEW - when would it not be??) + #reset previous to an exposed 1st-half - but leave understacks code as is + priv::render_addchar [expr {$idx-1}] $opt_exposed1 [lindex $understacks $idx-1] [lindex $understacks_gx $idx-1] 0 + } + incr idx + incr cursor_column + } else { + set prevcolinfo [lindex $outcols $idx-1] + #for insert mode - first replace the empty 2ndhalf char with exposed2 before shifting it right + #REVIEW - this leaves a replacement character permanently in our columns.. but it is consistent regarding length (?) + #The alternative is to disallow insertion at a column cursor that is at 2nd half of 2wide char + #perhaps by inserting after the char - this may be worthwhile - but may cause other surprises + #It is perhaps best avoided at another level and try to make renderline do exactly as it's told + #the advantage of this 2w splitting method is that the inserted character ends up in exactly the column we expect. + priv::render_addchar $idx $opt_exposed2 [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] 0 ;#replace not insert + priv::render_addchar $idx $ch [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] 1 ;#insert - same index + if {$prevcolinfo ne ""} { + #we've split the 2wide - it may already have been rendered as an exposed1 - but not for example if our startcolumn was current idx + priv::render_addchar [expr {$idx-1}] $opt_exposed1 [lindex $understacks $idx-1] [lindex $understacks_gx $idx-1] 0 ;#replace not insert + } ;# else?? + incr idx + incr cursor_column + } + + } elseif {$uwidth == 0} { + if {$within_undercols} { + #e.g combining diacritic - increment before over char REVIEW + #arguably the previous overchar should have done this - ie lookahead for combiners? + priv::render_addchar $idx "" [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + incr idx + priv::render_addchar $idx $ch [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + incr idx + incr cursor_column 2 + } else { + #overflow + priv::render_addchar $idx $ch [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + incr idx + incr cursor_column + } + } elseif {$uwidth == 1} { + set owidth [grapheme_width_cached $ch] + if {$owidth == 1} { + priv::render_addchar $idx $ch [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + incr idx + incr cursor_column + } else { + priv::render_addchar $idx $ch [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + incr idx + priv::render_addchar $idx "" [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + #if next column in underlay empty - we've overwritten first half of underlying 2wide grapheme + #replace with rhs exposure in case there are no more overlay graphemes coming - use underlay's stack + if {([llength $outcols] >= $idx +2) && [lindex $outcols $idx+1] eq ""} { + priv::render_addchar [expr {$idx+1}] $opt_exposed2 [lindex $understacks $idx+1] [lindex $understacks_gx $idx+1] $insert_mode + } + incr idx + incr cursor_column + } + } elseif {$uwidth > 1} { + set owidth [grapheme_width_cached $ch] + if {$owidth == 1} { + #1wide over 2wide in underlay + if {!$insert_mode} { + priv::render_addchar $idx $ch [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + incr idx + incr cursor_column + priv::render_addchar $idx $opt_exposed2 [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + #don't incr idx - we are just putting a broken-indication in the underlay - which may get overwritten by next overlay char + } else { + #insert mode just pushes all to right - no exposition char here + priv::render_addchar $idx $ch [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + incr idx + incr cursor_column + } + } else { + #2wide over 2wide + priv::render_addchar $idx $ch [lindex $overstacks $idx_over] [lindex $overstacks_gx $idx_over] $insert_mode + incr idx 2 + incr cursor_column 2 + } + } + } + } ;# end switch + } + } + } + other { + set code $item + if {$in_overflow} { + #render controls into overflow/remainder output + priv::render_addchar $idx $code [list] [list] $insert_mode + incr idx ;#take up a column for each control sequence too + continue + } + #since this element isn't a grapheme - advance idx_over to next grapheme overlay when about to fill 'unapplied' + + set re_col_move {\x1b\[([0-9]*)(C|D|G)$} + set re_row_move {\x1b\[([0-9]*)(A|B)$} + set re_both_move {\x1b\[([0-9]*)(?:;){0,1}([0-9]*)H$} ;# or "f" ? + set re_vt_sequence {\x1b\[([0-9]*)(?:;){0,1}([0-9]*)~$} + set re_cursor_save {\x1b\[s$} + set re_cursor_restore {\x1b\[u$} + set re_cursor_save_dec {\x1b7$} + set re_cursor_restore_dec {\x1b8$} + set matchinfo [list] + + switch -regexp -matchvar matchinfo -- $code\ + $re_col_move { + lassign $matchinfo _match num type + switch -- $type { + D { + #left-arrow/move-back + if {$num eq ""} {set num 1} + incr idx -$num + incr cursor_column -$num + if {$idx < $opt_colstart-1} { + #wrap to previous line and position cursor at end of data + set idx [expr {$opt_colstart-1}] + set cursor_column $opt_colstart + } + } + C { + #right-arrow/move forward + if {$num eq ""} {set num 1} + + #todo - retrict to moving 1 position past datalen? restrict to column width? + #should ideally wrap to next line when interactive and not on last row + set version 2 + if {$version eq "2"} { + set max [llength $outcols] + if {!$opt_overflow} { + } else { + incr max + } + if {($cursor_column + $num) > $max} { + set cursor_column $max + set idx [expr {$cursor_column -1}] + } else { + incr idx $num + incr cursor_column $num + } + } else { + if {!$opt_overflow || ($cursor_column + $num) <= [llength $outcols+1]} { + incr idx $num + incr cursor_column $num + } else { + if {!$insert_mode} { + #block editing style with arrow keys + #overtype mode + set idxstart $idx + set idxend [llength $outcols] + set moveend [expr {$idxend - $idxstart}] + if {$moveend < 0} {set moveend 0} ;#sanity? + #puts "idxstart:$idxstart idxend:$idxend outcols[llength $outcols] undercols:[llength $undercols]" + incr idx $moveend + incr cursor_column $moveend + #if {[dict exists $understacks $idx]} { + # set stackinfo [dict get $understacks $idx] ;#use understack at end - which may or may not have already been replaced by stack from overtext + #} else { + # set stackinfo [list] + #} + if {$idx < [llength $understacks]} { + set stackinfo [lindex $understacks $idx] ;#use understack at end - which may or may not have already been replaced by stack from overtext + } else { + set stackinfo [list] + } + if {$idx < [llength $understacks_gx]} { + #set gxstackinfo [dict get $understacks_gx $idx] + set gxstackinfo [lindex $understacks_gx $idx] + } else { + set gxstackinfo [list] + } + #pad outcols + set movemore [expr {$num - $moveend}] + #assert movemore always at least 1 or we wouldn't be in this branch + for {set m 1} {$m <= $movemore} {incr m} { + incr idx + incr cursor_column + priv::render_addchar $idx " " $stackinfo $gxstackinfo $insert_mode + } + } else { + #normal - insert + incr idx $num + incr cursor_column $num + if {$idx > [llength $outcols]} { + set idx [llength $outcols];#allow one beyond - for adding character at end of line + set cursor_column [expr {[llength $outcols]+1}] + } + } + } + } + } + G { + #move absolute column + #adjust to colstart - as column 1 is within overlay + #??? + set idx [expr {$num + $opt_colstart -1}] + set cursor_column $num + error "renderline absolute col move ESC G unimplemented" + } + } + }\ + $re_row_move { + lassign $matchinfo _match num type + switch -- $type { + A { + #move up + if {$num eq ""} {set num 1} + incr cursor_row -$num + + if {$cursor_row < 1} { + set cursor_row 1 + } + #ensure rest of *overlay* is emitted to remainder + incr idx_over + priv::render_unapplied $overlay_grapheme_control_list $gci + set instruction up + #retain cursor_column + break + } + B { + #move down + if {$num eq ""} {set num 1} + incr cursor_row $num + incr idx_over ;#idx_over hasn't encountered a grapheme and hasn't advanced yet + priv::render_unapplied $overlay_grapheme_control_list $gci + set instruction down + #retain cursor_column + break + } + } + }\ + $re_both_move { + lassign $matchinfo _match row col + + if {$col eq ""} {set col 1} + set max [llength $outcols] + if {$opt_overflow} { + incr max + } + if {$col > $max} { + set cursor_column $max + } else { + set cursor_column $col + } + set idx [expr {$cursor_column -1}] + + if {$row eq ""} {set row 1} + set cursor_row $row + if {$cursor_row < 1} { + set cursor_row 1 + } + + incr idx_over + priv::render_unapplied $overlay_grapheme_control_list $gci + set instruction move + break + }\ + $re_vt_sequence { + lassign $matchinfo _match key mod + #Note that f1 to f4 show as ESCOP|Q|R|S (VT220?) but f5+ show as ESC\[15~ + # + #e.g esc \[2~ insert esc \[2;2~ shift-insert + #mod - subtract 1, and then use bitmask + #shift = 1, (left)Alt = 2, control=4, meta=8 (meta seems to do nothing on many terminals on windows? Intercepted by windows?) + #puts stderr "vt key:$key mod:$mod code:[ansistring VIEW $code]" + if {$key eq "1"} { + #home + } elseif {$key eq "2"} { + #Insert + if {$mod eq ""} { + #no modifier key + set insert_mode [expr {!$insert_mode}] + #rather than set the cursor - we return the insert mode state so the caller can decide + } + } elseif {$key eq "3"} { + #Delete + switch -- $mod { + "" { + priv::render_delchar $idx + } + "5" { + #ctrl-del - delete to end of word (pwsh) - possibly word on next line if current line empty(?) + } + } + } elseif {$key eq "4"} { + #End + } elseif {$key eq "5"} { + #pgup + } elseif {$key eq "6"} { + #pgDn + } elseif {$key eq "7"} { + #Home + #?? + set idx [expr {$opt_colstart -1}] + set cursor_column 1 + } elseif {$key eq "8"} { + #End + } elseif {$key eq "11"} { + #F1 - or ESCOP or e.g shift F1 ESC\[1;2P + } elseif {$key eq "12"} { + #F2 - or ESCOQ + } elseif {$key eq "13"} { + #F3 - or ESCOR + } elseif {$key eq "14"} { + #F4 - or ESCOS + } elseif {$key eq "15"} { + #F5 or shift F5 ESC\[15;2~ + } elseif {$key eq "17"} { + #F6 + } elseif {$key eq "18"} { + #F7 + } elseif {$key eq "19"} { + #F8 + } elseif {$key eq "20"} { + #F9 + } elseif {$key eq "21"} { + #F10 + } elseif {$key eq "23"} { + #F11 + } elseif {$key eq "24"} { + #F12 + } + + }\ + $re_cursor_save - $re_cursor_save_dec { + set cursor_saved_position [list row $cursor_row column $cursor_column] + #there may be overlay stackable codes emitted that aren't in the understacks because they come between the last emmited character and the cursor_save control. + #we need the SGR and gx overlay codes prior to the cursor_save + + #a real terminal would not be able to know the state of the underlay.. so we should probably ignore it. + #set sgr_stack [lindex $understacks $idx] + #set gx_stack [lindex $understacks_gx $idx] ;#not actually a stack - just a boolean state (for now?) + set sgr_stack [list] + set gx_stack [list] + + foreach gc [lrange $overlay_grapheme_control_list 0 $gci-1] { + lassign $gc type code + #types g other sgr gx0 + switch -- $type { + gx0 { + #code is actually a stand-in for the graphics on/off code - not the raw code + #It is either gx0_on or gx0_off + set gx_stack [list $code] + } + sgr { + #code is the raw code + if {[punk::ansi::codetype::is_sgr_reset $code]} { + set sgr_stack [list] + } elseif {[punk::ansi::codetype::has_sgr_leadingreset $code]} { + set sgr_stack [list $code] + lappend overlay_grapheme_control_list [list sgr $code] + } elseif {[priv::is_sgr $code]} { + #often we don't get resets - and codes just pile up. + #as a first step to simplifying - at least remove earlier straight up dupes + set dup_posns [lsearch -all -exact $sgr_stack $code] ;#needs -exact - codes have square-brackets (glob chars) + set sgr_stack [lremove $sgr_stack {*}$dup_posns] + lappend sgr_stack $code + } + } + } + } + set cursor_saved_attributes "" + switch -- [lindex $gx_stack 0] { + gx0_on { + append cursor_saved_attributes "\x1b(0" + } + gx0_off { + append cursor_saved_attributes "\x1b(B" + } + } + #append cursor_saved_attributes [join $sgr_stack ""] + append cursor_saved_attributes [punk::ansi::codetype::sgr_merge {*}$sgr_stack] + + + if 0 { + set stack_cur [join [lindex $understacks $idx] ""] + set stack_prev [join [lindex $understacks $idx-1] ""] + puts ">>>'[ansistring VIEW $stack_cur]' prev:'[ansistring VIEW $stack_prev]'" + puts "idx_over: $idx_over" + + + set cursor_saved_attributes $stack_prev + switch -- [lindex $understacks_gx $idx] { + "gx0_on" { + append cursor_saved_attributes "\x1b(0" + } + "gx0_off" { + append cursor_saved_attributes "\x1b(B" + } + } + } + + + #don't incr index - or the save will cause cursor to move to the right + #carry on + }\ + $re_cursor_restore - $re_cursor_restore_dec { + #we are going to jump somewhere.. for now we will assume another line, and process accordingly. + #The caller has the cursor_saved_position/cursor_saved_attributes if any (?review - if we always pass it back it, we could save some calls for moves in same line) + #don't set overflow at this point. The existing underlay to the right must be preserved. + #we only want to jump and render the unapplied at the new location. + + + #like priv::render_unapplied - but without the overlay's ansi reset or gx stacks from before the restore code + incr idx_over + #lset overstacks $idx_over [list] + set replay_codes_overlay "" + + set unapplied "" + foreach gc [lrange $overlay_grapheme_control_list $gci+1 end] { + lassign $gc type item + if {$type eq "gx0"} { + if {$item eq "gx0_on"} { + append unapplied "\x1b(0" + } elseif {$item eq "gx0_off"} { + append unapplied "\x1b(B" + } + } else { + append unapplied $item + } + #incr idx_over + } + + + set instruction move + set cursor_restore_required 1 + break + } + } + sgr { + #prior to overflow - we have our sgr codes already in stacks + #post-overflow we need to keep them in order along with non sgr codes and graphemes + if {$in_overflow} { + set code $item + #render controls into output - will become overflow/remainder + priv::render_addchar $idx $code [list] [list] $insert_mode + incr idx ;#take up an overflow column for each control sequence too + } + } + gx0 { + if {$in_overflow} { + set code $item + if {$code eq "gx0_on"} { + set actual "\x1b(0" + } else { + set actual "\x1b(B" + } + priv::render_addchar $idx $actual [list] [list] $insert_mode + incr idx + } + + } + } + } + + #-------------- + #if {$in_overflow} { + # #set cursor_column [expr {$overflow_idx -1}] + # set cursor_column [expr {$overflow_idx +1}] + #} else { + # set cursor_column [expr {$idx + 1}] + #} + + + if {$opt_overflow == 0} { + #need to truncate to the width of the original undertext + #review - string_width vs printing_length here. undertext requirement to be already rendered therefore punk::char::string_width ok? + set num_under_columns [punk::char::string_width $pt_underchars] ;#plaintext underchars + } + if {$overflow_idx == -1} { + #overflow was initially unlimited and hasn't been overridden + } else { + + } + + + #coalesce and replay codestacks for outcols grapheme list + set outstring "" ;#output prior to overflow + set overflow_right "" ;#remainder after overflow point reached + set i 0 + set cstack [list] + set prevstack [list] + set prev_g0 [list] + #note overflow_idx may already have been set lower if we had a row move above due to \v or ANSI moves + set in_overflow 0 ;#used to stop char-width scanning once in overflow + foreach ch $outcols { + #puts "---- [ansistring VIEW $ch]" + + if {$in_overflow} { + #ch could be a control-sequence or a grapheme once in overflow + if {$i == $overflow_idx} { + #only run when we exactly hit overflow_idx + if {$i < [llength $understacks_gx]} { + #set g0 [dict get $understacks_gx $i] + set g0 [lindex $understacks_gx $i] + if {[llength $g0]} { + append outstring "\x1b(B" + } + } + #add first codestack only + if {$i < [llength $understacks]} { + set cstack [lindex $understacks $i] + #append overflow_right [join $cstack ""] + append overflow_right [punk::ansi::codetype::sgr_merge {*}$cstack] + } + } + append overflow_right $ch + } else { + if {$overflow_idx != -1 && $i+1 == $overflow_idx} { + #one before overflow + #will be in overflow in next iteration + set in_overflow 1 + + if {[grapheme_width_cached $ch]> 1} { + #we overflowed with second-half of a double-width char - replace first-half with user-supplied exposition char (should be 1 wide) + set ch $opt_exposed1 + } + } + + if {$i < [llength $understacks_gx]} { + #set g0 [dict get $understacks_gx $i] + set g0 [lindex $understacks_gx $i] + if {$g0 ne $prev_g0} { + if {$g0 eq [list "gx0_on"]} { + append outstring "\x1b(0" + } else { + append outstring "\x1b(B" + } + } + set prev_g0 $g0 + } else { + set prev_g0 [list] + } + #code replay when not in overflow + if {$i < [llength $understacks]} { + #set cstack [dict get $understacks $i] + set cstack [lindex $understacks $i] + if {$cstack ne $prevstack} { + if {[llength $prevstack]} { + append outstring \033\[m + } + #append outstring [join $cstack ""] + append outstring [punk::ansi::codetype::sgr_merge {*}$cstack] + } + set prevstack $cstack + } else { + set prevstack [list] + } + append outstring $ch + } + incr i + } + + set replay_codes "" + if {[llength $understacks] > 0} { + if {$overflow_idx == -1} { + #set tail_idx [dict size $understacks] + set tail_idx [llength $understacks] + } else { + set tail_idx [llength $undercols] + } + if {$tail_idx-1 < [llength $understacks]} { + #set replay_codes [join [lindex $understacks $tail_idx-1] ""] ;#tail replay codes + set replay_codes [punk::ansi::codetype::sgr_merge [lindex $understacks $tail_idx-1]] ;#tail replay codes + } + if {$tail_idx-1 < [llength $understacks_gx]} { + set gx0 [lindex $understacks_gx $tail_idx-1] + if {$gx0 eq [list "gx0_on"]} { + #if it was on, turn gx0 off at the point we stop processing overlay + append outstring "\x1b(B" + } + } + } + if {[string length $overflow_right]} { + #puts stderr "remainder:$overflow_right" + } + #pdict $understacks + if {[punk::ansi::ta::detect_sgr $outstring]} { + append outstring [punk::ansi::a] + } + if {$opt_returnextra} { + #replay_codes is the codestack at the boundary - used for ellipsis colouring to match elided text - review + #replay_codes_underlay is the set of codes in effect at the very end of the original underlay + #replay_codes_overlay is the set of codes in effect at the very end of the original overlay (even if not all overlay was applied) + #todo - replay_codes for gx0 mode + return [list\ + result $outstring\ + visualwidth [punk::ansi::printing_length $outstring]\ + instruction $instruction\ + stringlen [string length $outstring]\ + overflow_idx $overflow_idx\ + overflow_right $overflow_right\ + unapplied $unapplied\ + insert_mode $insert_mode\ + insert_lines_above $insert_lines_above\ + insert_lines_below $insert_lines_below\ + cursor_saved_position $cursor_saved_position\ + cursor_saved_attributes $cursor_saved_attributes\ + cursor_restore_required $cursor_restore_required\ + cursor_column $cursor_column\ + cursor_row_change $cursor_row\ + opt_overflow $opt_overflow\ + replay_codes $replay_codes\ + replay_codes_underlay $replay_codes_underlay\ + replay_codes_overlay $replay_codes_overlay\ + ] + } else { + return $outstring + } + #return [join $out ""] +} +proc overtype::test_renderline {} { + set t \uFF5E ;#2-wide tilde + set u \uFF3F ;#2-wide underscore + set missing \uFFFD + return [list $t $u A${t}B] +} + +#maintenance warning +#same as textblock::size - but we don't want that circular dependency +#block width and height can be tricky. e.g \v handled differently on different terminal emulators and can affect both +proc overtype::blocksize {textblock} { + if {$textblock eq ""} { + return [dict create width 0 height 1] ;#no such thing as zero-height block - for consistency with non-empty strings having no line-endings + } + if {[string first \t $textblock] >= 0} { + if {[info exists punk::console::tabwidth]} { + set tw $::punk::console::tabwidth + } else { + set tw 8 + } + set textblock [textutil::tabify::untabify2 $textblock $tw] + } + #stripansi on entire block in one go rather than line by line - result should be the same - review - make tests + if {[punk::ansi::ta::detect $textblock]} { + set textblock [punk::ansi::stripansi $textblock] + } + if {[string first \n $textblock] >= 0} { + set num_le [expr {[string length $textblock]-[string length [string map [list \n {}] $textblock]]}] ;#faster than splitting into single-char list + set width [tcl::mathfunc::max {*}[lmap v [split $textblock \n] {::punk::char::ansifreestring_width $v}]] + } else { + set num_le 0 + set width [punk::char::ansifreestring_width $textblock] + } + #our concept of block-height is likely to be different to other line-counting mechanisms + set height [expr {$num_le + 1}] ;# one line if no le - 2 if there is one trailing le even if no data follows le + + return [dict create width $width height $height] ;#maintain order in 'image processing' standard width then height - caller may use lassign [dict values [blocksize ]] width height +} + +namespace eval overtype::priv { + variable cache_is_sgr [dict create] + + #we are likely to be asking the same question of the same ansi codes repeatedly + #caching the answer saves some regex expense - possibly a few uS to lookup vs under 1uS + #todo - test if still worthwhile after a large cache is built up. (limit cache size?) + proc is_sgr {code} { + variable cache_is_sgr + if {[dict exists $cache_is_sgr $code]} { + return [dict get $cache_is_sgr $code] + } + set answer [punk::ansi::codetype::is_sgr $code] + dict set cache_is_sgr $code $answer + return $answer + } + proc render_unapplied {overlay_grapheme_control_list gci} { + upvar idx_over idx_over + upvar unapplied unapplied + upvar overstacks overstacks + upvar overstacks_gx overstacks_gx + + #set unapplied [join [lrange $overlay_grapheme_control_list $gci+1 end]] + set unapplied "" + append unapplied [join [lindex $overstacks $idx_over] ""] + switch -- [lindex $overstacks_gx $idx_over] { + "gx0_on" { + append unapplied "\x1b(0" + } + "gx0_off" { + append unapplied "\x1b(B" + } + } + + foreach gc [lrange $overlay_grapheme_control_list $gci+1 end] { + lassign $gc type item + #types g other sgr gx0 + if {$type eq "gx0"} { + if {$item eq "gx0_on"} { + append unapplied "\x1b(0" + } elseif {$item eq "gx0_off"} { + append unapplied "\x1b(B" + } + } else { + append unapplied $item + } + #incr idx_over + } + } + proc render_delchar {i} { + upvar outcols o + upvar understacks ustacks + upvar understacks_gx gxstacks + set nxt [llength $o] + if {$i < $nxt} { + set o [lreplace $o $i $i] + set ustacks [lreplace $ustacks $i $i] + set gxstacks [lreplace $gxstacks $i $i] + } else { + + } + } + #is actually addgrapheme? + proc render_addchar {i c sgrstack gx0stack {insert_mode 0}} { + upvar outcols o + upvar understacks ustacks + upvar understacks_gx gxstacks + + set nxt [llength $o] + if {!$insert_mode} { + if {$i < $nxt} { + lset o $i $c + } else { + lappend o $c + } + #dict set ustacks $i $sgrstack + if {$i < [llength $ustacks]} { + lset ustacks $i $sgrstack + } else { + lappend ustacks $sgrstack + } + #dict set gxstacks $i $gx0stack + if {$i < [llength $gxstacks]} { + lset gxstacks $i $gx0stack + } else { + lappend gxstacks $gx0stack + } + } else { + #insert of single-width vs double-width when underlying is double-width? + if {$i < $nxt} { + set o [linsert $o $i $c] + } else { + lappend o $c + } + #rewrite our whole understacks + #for inserts - the dict structure of the ansi stacks is less than ideal. + #set new [dict create] + #dict for {k v} $ustacks { + # if {$k < $i} { + # dict set new $k $v + # } elseif {$k == $i} { + # dict set new $k $sgrstack + # dict set new [expr {$k+1}] $v + # } else { + # dict set new [expr {$k+1}] $v + # } + #} + #set ustacks $new + if {$i < [llength $ustacks]} { + set ustacks [linsert $ustacks $i $sgrstack] + } else { + lappend ustacks $sgrstack + } + + if {$i < [llength $gxstacks]} { + set gxstacks [linsert $gxstacks $i $gx0stack] + } else { + lappend gxstacks $gx0stack + } + } + } + +} + + + +# -- --- --- --- --- --- --- --- --- --- --- +namespace eval overtype { + interp alias {} ::overtype::center {} ::overtype::centre +} + +# ++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +++ +## Ready +package provide overtype [namespace eval overtype { + variable version + set version 1.5.9 +}] +return + +#*** !doctools +#[manpage_end] diff --git a/src/vendormodules/textutil/wcswidth-35.1.tm b/src/vendormodules/textutil/wcswidth-35.1.tm index 080a8814..1dc27b0a 100644 --- a/src/vendormodules/textutil/wcswidth-35.1.tm +++ b/src/vendormodules/textutil/wcswidth-35.1.tm @@ -8,6 +8,7 @@ # Author: Sean Woods ### package provide textutil::wcswidth 35.1 +namespace eval ::textutil {} proc ::textutil::wcswidth_type char { if {$char == 161} { return A } if {$char == 164} { return A }