1367 lines
71 KiB
Tcl
Executable File
1367 lines
71 KiB
Tcl
Executable File
#!/bin/sh
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#-*-tcl-*-
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# the next line restarts using wish \
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exec wish "$0" -- ${1+"$@"}
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set version 3.0
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###############################################################################################
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#
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# VisualREGEXP -- A graphical front-end to wirte/debug regular expression
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# (c) 2000-2002 Laurent Riesterer
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#
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# VisualREGEXP Home Page: http://laurent.riesterer.free.fr/regexp
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#
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#----------------------------------------------------------------------------------------------
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#
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# Usage: tkregexp <sampleFile>
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#
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#----------------------------------------------------------------------------------------------
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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###############################################################################################
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#----------------------------------------------------------------------------------------------
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# SOME CUSTOMIZATION CAN BE DONE BY MODIFYING VARIABLES BELOW
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#----------------------------------------------------------------------------------------------
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# default geometry
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set geometry 800x600+0+0
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# main font used to display the text
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if {$tcl_platform(platform) == "windows"} {
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set font_regexp {Courier 10}
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set font_replace {Courier 10}
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set font_sample {Courier 10}
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} else {
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set font_regexp 9x15
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set font_replace 9x15
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set font_sample 9x15
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}
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# the font used in the popup menu (use ---- to get a separator, else format is {font size ?bold?}
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set fonts {{Courier 8} {Courier 9} {Courier 10} {Courier 11} {Courier 12}
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----
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{Arial 8} {Arial 9} {Arial 10} {Arial 11} {Arial 12}
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----
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8x13 8x13bold 9x15 9x15bold 10x20}
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# the colors for the different matching groups
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set colors {#ff0000 #0000ff darkgreen violetred #ff9000 #537db9 #e4c500 firebrick darkgoldenrod hotpink}
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set bgcolors {#ffe6e6 #e6e6ff #e6ffe6 #efd5e1 #fef3e5 #d6dce5 lightyellow white white white}
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# use background color in sample by default ? (1 use, 0 do not use)
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set background 0
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# background color to visualize the non-reporting group (?:...)
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set color_noreport #fffdc4
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# background color to visualize the lookhead group (?=...) and (?!...)
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set color_lookahead wheat
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# show/hide help about control characters in regexp
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set show_help 0
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# show/hide history windows on startup
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set history 0
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# mode to use on startup (select/concat = raw, select/insert new lines = nl, replace = replace)
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set mode replace
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# database of some regexp to appear in the "Insert regexp" menu
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set regexp_db {
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"URL" {(?:^|")(http|ftp|mailto):(?://)?(\w+(?:[\.:@]\w+)*?)(?:/|@)([^"\?]*?)(?:\?([^\?"]*?))?(?:$|")}
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"IP numbers" {[12]?[0-9]?[0-9](\.[12]?[0-9]?[0-9]){3}}
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"HTML tags" {<[^<>]+>}
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"HTML tag content" {<(\w+)[^>]*?>(.*?)</\1>}
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"vars and arrays (PHP)" {\$[^0-9 ]{1}[a-zA-Z0-9_]*((?:\[[a-zA-Z0-9_'\"]+\])*)}
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"dd/mm/yyyy" {(0[1-9]|[12][0-9]|3[01])(/|-)(0[1-9]|1[12])(/|-)[12][0-9]{3}}
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"mm/dd/yyyy" {(0[1-9]|1[12])(/|-)(0[1-9]|[12][0-9]|3[01])(/|-)[12][0-9]{3}}
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"hh:mm" {([01][0-9]|2[0-3]):[0-5][0-9]}
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"user@domain.net" {[A-Za-z0-9_.-]+@([A-Za-z0-9_]+\.)+[A-Za-z]{2,4}}
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}
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#----------------------------------------------------------------------------------------------
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# DO NOT MODIFY BELOW THIS POINT
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#----------------------------------------------------------------------------------------------
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namespace eval regexp {} {
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set data(v:undo:index) 0
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set data(v:undo:sample) ""
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set data(v:dir) "."
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set data(v:file) "untitled.txt"
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}
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#----------------------------------------------------------------------------------------------
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# Main GUI
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#----------------------------------------------------------------------------------------------
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proc regexp::gui {} {
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variable data
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global colors bgcolors color_noreport color_lookahead geometry show_help regexp_db history
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global tcl_platform
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set top ""
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# frame for regexp
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set w [frame $top.regexp -bd 2 -relief groove]
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# options
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set fo [frame $w.options]
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set sep 0
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foreach option {nocase all - line lineanchor linestop - inline} \
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label {nocase all - line "lineanchor (k)" "linestop (m)" - inline} \
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underline {0 0 - 0 12 10 - 0} {
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if {$option != "-"} {
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checkbutton $fo.$option -text $label -bd 1 -underline $underline \
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-variable regexp::data(v:$option) \
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-offvalue "" -onvalue "-$option"
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set data(v:$option) ""
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pack $fo.$option -side left
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} else {
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pack [frame $fo.[incr sep] -width 40] -side left
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}
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}
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# text for regexp entry
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set data(w:regexp) [text $w.regexp -wrap char -bg white -font $::font_regexp \
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-selectbackground lightblue -selectborderwidth 0 \
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-width 1 -height 3 -bd 1]
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if {$tcl_platform(platform) == "windows"} {
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set sfont {Courier 8}
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set sbfont {Courier 8 bold}
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} else {
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set sfont 6x13
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set sbfont 6x13bold
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}
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set data(w:help) [text $w.help -font $sfont -bd 0 -height 9 -wrap none -bg [$w cget -bg]]
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$w.help insert 1.0 "\n\n\n\n\n\n\n\n"
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$w.help insert 1.0 {\a alert \n newline \0 char 0 \d [[:digit:]] \A beginning of the string }
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$w.help insert 2.0 {\b backspace \r carriage \xyz octal code \D [^[:digit:]] \Z end of string }
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$w.help insert 3.0 {\B synomyn for \ \t tab \s [[:space:]] \m beginning of a word}
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$w.help insert 4.0 {\cX same as X & 0x1F \uwxyz unicode \x backref \S [^[:space:]] \M end of a word}
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$w.help insert 5.0 {\e ESC \v vert tab \w [[:alnum:]_] \y beginning or end of a word}
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$w.help insert 6.0 {\f form feed \xhhh hexa code \W [^[:alnum:]_] \Y not beginning or end of a word}
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$w.help insert 7.0 {----------------------------------------------------------------------------------------------------------------}
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$w.help insert 8.0 { ungreedy: ?? single optional *? zero-many +? at least one {n,m}? ungreedy quantifiers}
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$w.help insert 9.0 {(?:) ghost group (?=) lookahead (?!) neg. lookahead}
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$w.help tag configure bold -font $sbfont
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foreach line {1 2 3 4 5 6} {
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foreach {min max} {0 2 23 25 42 44 61 63 79 82} {
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$w.help tag add bold $line.$min $line.$max
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}
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}
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$w.help tag remove bold 2.43 2.44 4.43 4.44
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# buttons & selection of match
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set fb [frame $w.b]
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button $fb.go -text "Go" -underline 0 -command "regexp::go" -bd 1 -width 5
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button $fb.clear -text "Clear (z)" -underline 7 -command "regexp::clear" -bd 1 -width 5
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pack $fb.go [frame $fb.00 -width 10] $fb.clear -side left -pady 5
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# selection - buttons for match level
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label $fb.sep
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label $fb.l -text "Select:"
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pack $fb.sep -side left -fill x -expand true
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pack $fb.l -side left -padx 5 -pady 5
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set i 0
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foreach c $colors t {match 1 2 3 4 5 6 7 8 9} {
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button $fb.$i -text $t -fg $c -bd 1 -padx 0 -width 6 -command "regexp::select $i"
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pack $fb.$i -side left -fill y -pady 5
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incr i
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}
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# text for replace
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set f [frame $w.replace]
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set data(w:replace) [text $f.replace -wrap char -bg white -font $::font_replace \
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-selectbackground lightblue -selectborderwidth 0 \
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-width 1 -height 2 -bd 1]
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button $f.do -text "Replace" -underline 0 -bd 1 -width 9 -command "regexp::replace"
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label $f.nb -textvariable regexp::data(v:nbreplace) -width 12 -anchor e
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pack $data(w:replace) -side left -expand true -fill both -pady 5 -padx 5
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pack $f.do -side left -pady 5
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pack $f.nb -side left -pady 5 -padx 5
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# layout
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pack [frame $w.0 -height 5] $data(w:regexp) -side top -anchor w -padx 5 -expand true -fill both
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pack $fo $fb -side top -anchor w -padx 5 -expand true -fill both
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pack $fb -side top -anchor w -padx 5 -expand true -fill both
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set data(w:allreplace) $f
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# frame for sample
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set w [frame $top.sample -bd 2 -relief groove]
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set w [frame $w.inner]
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pack $top.sample.inner -padx 5 -pady 5 -fill both -expand true
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# text for sample highlighting
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set data(w:sample) [text $w.sample -bg white -font $::font_sample -bd 1 -width 1 -height 1 \
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-selectbackground lightblue -selectborderwidth 0 \
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-yscrollcommand "$w.sy set" -xscrollcommand "$w.sx set"]
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scrollbar $w.sy -command "$w.sample yview" -orient vertical -bd 1
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scrollbar $w.sx -command "$w.sample xview" -orient horizontal -bd 1
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# set tags for colors & special
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set data(v:levels) {e0 e1 e2 e3 e4 e5 e6 e7 e8 e9}
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foreach level $data(v:levels) \
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color $colors {
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$data(w:regexp) tag configure $level -foreground $color
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$data(w:history) tag configure $level -foreground $color
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$data(w:sample) tag configure $level -foreground $color
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}
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$data(w:regexp) tag configure lookahead -background $color_lookahead
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$data(w:regexp) tag configure noreport -background $color_noreport
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$data(w:history) tag configure lookahead -background $color_lookahead
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$data(w:history) tag configure noreport -background $color_noreport
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# options
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set f [frame $w.matches]
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label $f.nb -textvariable regexp::data(v:nbmatches) -anchor w
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set regexp::data(v:nbmatches) "0 matches"
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# button for navigation
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button $f.p -text "Previous" -bd 1 -pady 2 -width 8 -command "regexp::sample:move -1"
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button $f.n -text "Next" -bd 1 -pady 2 -width 8 -command "regexp::sample:move +1"
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set data(v:positions) [list ]
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set data(v:position) 0
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# layout
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pack $f.nb [frame $f.0 -width 15] $f.p $f.n -padx 5 -side left
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# layout
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grid $w.sample $w.sy -sticky news
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grid $w.sx x -sticky news
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grid $w.matches - -sticky news
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grid rowconfigure $w {0} -weight 1
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grid columnconfigure $w {0} -weight 1
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# main layout
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pack $top.regexp -side top -anchor w -padx 5 -pady 5 -fill x
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pack $top.sample -side top -anchor w -padx 5 -pady 5 -expand true -fill both
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wm geometry . $geometry
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wm title . "Visual REGEXP $::version"
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focus $data(w:regexp)
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# main menu
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. configure -menu .menubar
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set m [menu .menubar -tearoff 0 -bd 1 -activeborderwidth 1]
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# file
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$m add cascade -menu $m.file -label "File" -underline 0
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set mm [menu $m.file -tearoff 0 -bd 1 -activeborderwidth 1]
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$mm add command -label "Load regexp ..." -command "regexp::regexp:load"
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$mm add command -label "Load sample ..." -command "regexp::sample:load" -accelerator "Alt-O"
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$mm add separator
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$mm add command -label "Save sample (auto) ..." -command "regexp::sample:save auto" -accelerator "Alt-S"
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$mm add command -label "Save sample Unix (lf) ..." -command "regexp::sample:save lf"
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$mm add command -label "Save sample Windows (crlf) ..." -command "regexp::sample:save crlf"
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$mm add command -label "Save sample Mac (cr) ..." -command "regexp::sample:save cr"
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$mm add separator
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$mm add command -label "Quit" -underline 0 -command "exit" -accelerator "Alt-Q"
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# edit
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$m add cascade -menu $m.edit -label "Edit" -underline 0
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set mm [menu $m.edit -tearoff 0 -bd 1 -activeborderwidth 1]
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$mm add command -label "Copy regexp to clipboard" -command "regexp::dump" -accelerator "Alt-C"
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$mm add separator
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$mm add command -label "Undo" -command "regexp::unredo:regexp -1" -accelerator "Control-Z"
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$mm add command -label "Redo" -command "regexp::unredo:regexp +1" -accelerator "Control-R"
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# view
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$m add cascade -menu $m.view -label "View" -underline 0
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set mm [menu $m.view -tearoff 0 -bd 1 -activeborderwidth 1]
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set regexp::data(v:background) $::background
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regexp::sample:background
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$mm add checkbutton -label "Show background for matches" -command "regexp::sample:background" \
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-variable regexp::data(v:background)
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$mm add checkbutton -label "Show regexp help" -command "regexp::regexp:help:toggle" \
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-variable regexp::data(v:help)
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set regexp::data(v:help) $show_help
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$mm add checkbutton -label "Wrap lines in sample" -variable regexp::data(v:wrap) \
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-command "$data(w:sample) configure -wrap \$regexp::data(v:wrap)" \
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-offvalue "none" -onvalue "char"
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set regexp::data(v:history) $history
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$mm add checkbutton -label "History of Regexp" -variable regexp::data(v:history) \
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-command "if {\$regexp::data(v:history)} {wm deiconify .history} else {wm iconify .history}"
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# select mode
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$m add cascade -menu $m.select -label "Select mode" -underline 5
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set mm [menu $m.select -tearoff 0 -bd 1 -activeborderwidth 1]
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$mm add radiobutton -label "select / concat raw matches" \
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-variable regexp::data(v:mode) -value "raw" -command regexp::replace:toggle
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$mm add radiobutton -label "select / insert new line between matches" \
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-variable regexp::data(v:mode) -value "nl" -command regexp::replace:toggle
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$mm add radiobutton -label "replace widget" \
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-variable regexp::data(v:mode) -value "replace" -command regexp::replace:toggle
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# insert well know regexp
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$m add cascade -menu $m.insert -label "Insert regexp" -underline 11
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set mm [menu $m.insert -tearoff 0 -bd 1 -activeborderwidth 1]
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$mm add command -label "Make regexp ..." -command "regexp::make-regexp"
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$mm add separator
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$mm add command -label "Load patterns ..." -command "regexp::pattern:load"
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$mm add separator
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foreach {n e} $regexp_db {
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$mm add command -label "$n" -command "regexp::regexp:insert [list $e]"
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}
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set data(w:menu) $mm
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# help
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$m add cascade -menu $m.help -label "Help" -underline 0
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set mm [menu $m.help -tearoff 0 -bd 1 -activeborderwidth 1]
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$mm add command -label "Help" -command "regexp::help"
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# key binding
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bind all <Alt-q> "exit"
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bind all <Alt-g> "regexp::go"
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bind $data(w:regexp) <Return> "regexp::go; break"
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bind all <Alt-c> "regexp::dump"
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bind all <Alt-r> "regexp::replace"
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bind all <Alt-o> "regexp::sample:load"
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bind all <Alt-s> "regexp::sample:save auto"
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bind $data(w:regexp) <Control-z> "regexp::unredo:regexp -1"
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bind $data(w:regexp) <Control-r> "regexp::unredo:regexp +1"
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bind $data(w:replace) <Control-z> "regexp::undo:sample"
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bind $data(w:sample) <Control-z> "regexp::undo:sample"
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bind all <Alt-a> "$fo.all toggle"
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bind all <Alt-n> "$fo.nocase toggle"
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bind all <Alt-l> "$fo.line toggle"
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bind all <Alt-k> "$fo.lineanchor toggle"
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bind all <Alt-m> "$fo.linestop toggle"
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bind all <Alt-i> "$fo.inline toggle"
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bind all <Alt-z> "regexp::clear"
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bind $data(w:regexp) <Control-Key> { # nothing }
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bind $data(w:regexp) <Alt-Key> { # nothing }
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bind $data(w:regexp) <Meta-Key> { # nothing }
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bind $data(w:regexp) <Mod1-Key> { # nothing }
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bind $data(w:regexp) <Key> "regexp::undo:regexp:compute %W %K %A"
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bind $data(w:replace) <Control-Tab> "$data(w:replace) insert insert {\\t}; break;"
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bind $data(w:sample) <Control-Tab> "$data(w:sample) insert insert {\t}; break;"
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# special for regexp Ctrl+letter = \<letter>
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bind $data(w:regexp) <Control-Tab> "$data(w:regexp) insert insert {\\t}; break;"
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foreach key {a b B e f n r t v u x 0 d D s S w W A Z m M y Y} {
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bind $data(w:regexp) <Control-$key> "$data(w:regexp) insert insert {\\$key}; break;"
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}
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foreach key {a b B e f n r t v u x 0} {
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bind $data(w:replace) <Control-$key> "$data(w:replace) insert insert {\\$key}; break;"
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}
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bind Text <Control-v> {}
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# font selection popup
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foreach w {regexp replace sample} {
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set m [menu .fonts_$w -tearoff 0]
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foreach f $::fonts {
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if {$f == "----"} {
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$m add separator
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} else {
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$m add command -label $f -command "$data(w:$w) configure -font [list $f]"
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}
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}
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bind $data(w:$w) <3> "tk_popup $m %X %Y"
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}
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# some init
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set data(v:nocase) "-nocase"
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set data(v:all) "-all"
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set data(v:wrap) "char"
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set regexp::data(v:mode) $::mode
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replace:toggle ;# set bindings
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regexp:help:toggle
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}
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proc regexp::pattern:load {{file ""}} {
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variable data
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# get filename
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if {$file == ""} {
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set types [list [list "All" *]]
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set file [tk_getOpenFile -filetypes $types -parent .]
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if {$file == ""} {
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return
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}
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}
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# do it
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set in [open $file "r"]
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$data(w:menu) delete [expr 4+[llength $::regexp_db]/2] end
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while {![eof $in]} {
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set name [gets $in]
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while {$name == ""} {
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set name [gets $in]
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}
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set pattern [gets $in]
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while {$pattern == ""} {
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set pattern [gets $in]
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}
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$data(w:menu) add command -label $name -command "regexp::regexp:insert [list $pattern]"
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}
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close $in
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}
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#----------------------------------------------------------------------------------------------
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# Main toplevel commands
|
|
#----------------------------------------------------------------------------------------------
|
|
|
|
proc regexp::go {} {
|
|
variable data
|
|
|
|
set exp [$data(w:regexp) get 1.0 end-1char]
|
|
# check if regexp is OK
|
|
if {[catch { regexp -- $exp dummy } errMsg]} {
|
|
tk_messageBox -type ok -icon error -message "Malformed regexp: $errMsg"
|
|
return
|
|
}
|
|
regexp::regexp:colorize
|
|
regexp::sample:colorize
|
|
regexp::history:add
|
|
}
|
|
|
|
proc regexp::clear {} {
|
|
variable data
|
|
|
|
regexp::history:add
|
|
$data(w:regexp) delete 1.0 end
|
|
regexp::go
|
|
}
|
|
|
|
proc regexp::dump {} {
|
|
variable data
|
|
|
|
# update display
|
|
go
|
|
# built list of options
|
|
set dump "regexp"
|
|
foreach option {nocase all line lineanchor linestop inline} {
|
|
if {$data(v:$option) != ""} {
|
|
append dump " $data(v:$option)"
|
|
}
|
|
}
|
|
# build expression
|
|
set exp [$data(w:regexp) get 1.0 end-1char]
|
|
append dump " -- {$exp} string"
|
|
# add variables if needed
|
|
if {$data(v:inline) == ""} {
|
|
append dump " match"
|
|
for {set i 1} {$i < $data(v:nblevels)} {incr i} {
|
|
append dump " v$i"
|
|
}
|
|
}
|
|
# put dump into the clipboard (by creating a hidden entry ... anyone has a better solution?)
|
|
destroy .e
|
|
entry .e
|
|
.e insert 0 $dump
|
|
.e selection range 0 end
|
|
puts "$dump"
|
|
}
|
|
|
|
proc regexp::select {level} {
|
|
variable data
|
|
|
|
# update
|
|
go
|
|
if {[llength $data(v:result)] == 0} {
|
|
bell
|
|
return
|
|
}
|
|
# puts regexp
|
|
dump
|
|
# extract matching parts in sample
|
|
set i 0
|
|
set newsample ""
|
|
foreach match $data(v:result) {
|
|
if {($i % $data(v:nblevels)) == $level} {
|
|
set text [$data(w:sample) get \
|
|
[$data(w:sample) index "1.0+[lindex $match 0]chars"] \
|
|
[$data(w:sample) index "1.0+[expr [lindex $match 1]+1]chars"]]
|
|
append newsample $text
|
|
if {$data(v:mode) == "nl"} {
|
|
append newsample "\n"
|
|
}
|
|
}
|
|
incr i
|
|
}
|
|
$data(w:sample) delete 1.0 end
|
|
$data(w:sample) insert 1.0 $newsample
|
|
# update with regexp
|
|
go
|
|
}
|
|
|
|
proc regexp::help {} {
|
|
global tcl_platform
|
|
|
|
toplevel .help
|
|
wm title .help "Help"
|
|
# logo
|
|
label .help.l -image logo
|
|
pack .help.l -side top -padx 10 -pady 10
|
|
# help text
|
|
if {$tcl_platform(platform) == "windows"} {
|
|
text .help.t -bd 2 -relief groove -font {Courier 10}
|
|
} else {
|
|
text .help.t -bd 2 -relief groove
|
|
}
|
|
pack .help.t -side top -padx 20
|
|
.help.t tag configure bold -font "[.help.t cget -font] bold"
|
|
.help.t insert 1.0 "Version:" bold " $::version
|
|
|
|
" normal "Usage:" bold " tkregexp <sampleFile>
|
|
|
|
" normal "Key bindings:" bold " Alt-q exit
|
|
Alt-a toggle 'all' flag
|
|
Alt-n toggle 'nocase' flag
|
|
Alt-l toggle 'line' flag
|
|
Alt-k toggle 'lineanchor' flag
|
|
Alt-m toggle 'linestop' flag
|
|
Alt-i toggle 'inline' flag
|
|
Alt-g do the highlighting
|
|
Return (in regexp) do the highlighting
|
|
|
|
" normal "To clipboard:" bold " Put the 'regexp' command with its arguments to the clipboard
|
|
|
|
" normal "Tips:" bold " 1) To set the sample, either put a filename on the command line,
|
|
or just copy & paste it in the sample text window.
|
|
2) You can change the default colors or windows size by editing the
|
|
first lines of the program file.
|
|
3) when typing your regexp you can use Control-Z/Control-R
|
|
to undo/redo the last typing.
|
|
4) When using the replace function, using Control-Z restore the value
|
|
of the sample before the replacement : you try, retry, reretry, ..."
|
|
# ok button
|
|
button .help.ok -text "Ok" -width 10 -default active -command "destroy .help"
|
|
pack .help.ok -side bottom -pady 10
|
|
}
|
|
|
|
proc regexp::regexp:help:toggle {} {
|
|
variable data
|
|
|
|
if {$data(v:help) == 0} {
|
|
pack forget $data(w:help)
|
|
} else {
|
|
pack $data(w:help) -before $data(w:regexp) -fill x -padx 5
|
|
}
|
|
}
|
|
|
|
#----------------------------------------------------------------------------------------------
|
|
# Undo/redo (quick and dirty UNDO/REDO support)
|
|
#----------------------------------------------------------------------------------------------
|
|
|
|
proc regexp::undo:sample {} {
|
|
variable data
|
|
|
|
# display result
|
|
$data(w:sample) delete 1.0 end
|
|
$data(w:sample) insert 1.0 $data(v:undo:sample)
|
|
# colorize
|
|
go
|
|
}
|
|
|
|
proc regexp::unredo:regexp {dir} {
|
|
variable data
|
|
|
|
set index [expr ($data(v:undo:index)+$dir) % 100]
|
|
if {![info exists data(v:undo:r$index)]} {
|
|
return
|
|
}
|
|
set data(v:undo:index) $index
|
|
|
|
set t $data(w:regexp)
|
|
$t delete 1.0 end
|
|
$t insert 1.0 [lindex $data(v:undo:r$index) 1]
|
|
$t mark set insert [lindex $data(v:undo:r$index) 0]
|
|
}
|
|
|
|
proc regexp::undo:regexp:compute {w k a} {
|
|
variable data
|
|
|
|
if {[string match -nocase "*control*" $k]
|
|
|| [string match -nocase "*shift*" $k]
|
|
|| [string match -nocase "*alt*" $k]} {
|
|
return
|
|
}
|
|
|
|
set data(v:undo:r$data(v:undo:index)) [list [$w index insert] [$w get 1.0 end-1char]]
|
|
set data(v:undo:index) [expr ($data(v:undo:index)+1) % 100]
|
|
}
|
|
|
|
#----------------------------------------------------------------------------------------------
|
|
# Replace
|
|
#----------------------------------------------------------------------------------------------
|
|
|
|
proc regexp::replace {} {
|
|
variable data
|
|
|
|
set exp [$data(w:regexp) get 1.0 end-1char]
|
|
set subst [$data(w:replace) get 1.0 end-1char]
|
|
if {$exp == ""} {
|
|
set regexp::data(v:nbreplace) "empty regexp"
|
|
return
|
|
}
|
|
|
|
# get sample & store it for undo
|
|
set sample [$data(w:sample) get 1.0 end]
|
|
set data(v:undo:sample) $sample
|
|
set result [eval regsub $data(v:all) \
|
|
$data(v:line) $data(v:lineanchor) $data(v:linestop) \
|
|
$data(v:nocase) -- \
|
|
[list $exp] [list $sample] [list [subst -nocommands -novariables $subst]] sample]
|
|
set regexp::data(v:nbreplace) "$result replaced"
|
|
# display result
|
|
$data(w:sample) delete 1.0 end
|
|
$data(w:sample) insert 1.0 $sample
|
|
}
|
|
|
|
proc regexp::replace:toggle {} {
|
|
variable data
|
|
|
|
if {$regexp::data(v:mode) == "replace"} {
|
|
bind $data(w:regexp) <Tab> "focus $data(w:replace); break;"
|
|
bind $data(w:regexp) <Shift-Tab> "focus $data(w:sample); break;"
|
|
catch { bind $data(w:regexp) <ISO_Left_Tab> "focus $data(w:sample); break;" }
|
|
|
|
bind $data(w:replace) <Tab> "focus $data(w:sample); break;"
|
|
bind $data(w:replace) <Shift-Tab> "focus $data(w:regexp); break;"
|
|
catch { bind $data(w:replace) <ISO_Left_Tab> "focus $data(w:regexp); break;" }
|
|
|
|
bind $data(w:sample) <Tab> "focus $data(w:regexp); break;"
|
|
bind $data(w:sample) <Shift-Tab> "focus $data(w:replace); break;"
|
|
catch { bind $data(w:sample) <ISO_Left_Tab> "focus $data(w:replace); break;" }
|
|
|
|
pack $data(w:allreplace) -side top -fill both
|
|
|
|
} else {
|
|
bind $data(w:regexp) <Tab> "focus $data(w:sample); break;"
|
|
catch { bind $data(w:regexp) <ISO_Left_Tab> "focus $data(w:sample); break;" }
|
|
|
|
bind $data(w:sample) <Tab> "focus $data(w:regexp); break;"
|
|
catch { bind $data(w:sample) <ISO_Left_Tab> "focus $data(w:regexp); break;" }
|
|
|
|
pack forget $data(w:allreplace)
|
|
}
|
|
}
|
|
|
|
#----------------------------------------------------------------------------------------------
|
|
# Manage REGEXP
|
|
#----------------------------------------------------------------------------------------------
|
|
|
|
proc regexp::regexp:set {text} {
|
|
variable data
|
|
|
|
$data(w:regexp) delete 1.0 end
|
|
$data(w:regexp) insert 1.0 $text
|
|
}
|
|
|
|
proc regexp::regexp:colorize {} {
|
|
variable data
|
|
|
|
set exp [$data(w:regexp) get 1.0 end-1char]
|
|
set max [string length $exp]
|
|
set stack {}
|
|
# list format : min max min max ...
|
|
set indices [list "report" 0 [string length $exp]]
|
|
# search the groups in the regexp
|
|
set data(v:nblevels) 1
|
|
for {set i 0} {$i < $max} {incr i} {
|
|
set c [string index $exp $i]
|
|
if {$c == "\\"} {
|
|
incr i
|
|
continue
|
|
} elseif {$c == "("} {
|
|
set c [string index $exp [expr $i+1]]
|
|
set what [string index $exp [expr $i+2]]
|
|
# test for escape with (?...)
|
|
if {$c == "?"} {
|
|
if {$what != ":"} {
|
|
lappend indices "lookahead"
|
|
} else {
|
|
lappend indices "noreport"
|
|
}
|
|
} else {
|
|
lappend indices "report"
|
|
incr data(v:nblevels)
|
|
}
|
|
lappend indices $i
|
|
set stack "[llength $indices] $stack"
|
|
lappend indices 0
|
|
|
|
} elseif {$c == ")"} {
|
|
set idx [lindex $stack 0]
|
|
if {$idx == ""} {
|
|
continue
|
|
}
|
|
set stack [lrange $stack 1 end]
|
|
set indices [lreplace $indices $idx $idx $i]
|
|
}
|
|
}
|
|
|
|
# remove old colors
|
|
foreach level $data(v:levels) {
|
|
$data(w:regexp) tag remove $level 1.0 end
|
|
}
|
|
$data(w:regexp) tag remove "lookahead" 1.0 end
|
|
$data(w:regexp) tag remove "noreport" 1.0 end
|
|
# colorize the regexp
|
|
set i 0
|
|
foreach {type min max} $indices {
|
|
if {$type != "report"} {
|
|
continue
|
|
}
|
|
$data(w:regexp) tag add [lindex $data(v:levels) $i] \
|
|
[$data(w:regexp) index "1.0+${min}chars"] \
|
|
[$data(w:regexp) index "1.0+[expr $max+1]chars"]
|
|
incr i
|
|
}
|
|
# apply special item
|
|
foreach {type min max} $indices {
|
|
if {$type == "report"} {
|
|
continue
|
|
}
|
|
$data(w:regexp) tag add $type \
|
|
[$data(w:regexp) index "1.0+${min}chars"] \
|
|
[$data(w:regexp) index "1.0+[expr $max+1]chars"]
|
|
}
|
|
}
|
|
|
|
#----------------------------------------------------------------------------------------------
|
|
|
|
proc regexp::regexp:load {} {
|
|
variable data
|
|
|
|
# get filename
|
|
set types [list [list "All" *]]
|
|
set file [tk_getOpenFile -filetypes $types -parent .]
|
|
if {$file == ""} {
|
|
return
|
|
}
|
|
# do it
|
|
set in [open $file "r"]
|
|
regexp:set [read $in [file size $file]]
|
|
close $in
|
|
}
|
|
|
|
#----------------------------------------------------------------------------------------------
|
|
|
|
proc regexp::regexp:insert {what} {
|
|
variable data
|
|
|
|
set w $data(w:regexp)
|
|
# prepare undo/redo
|
|
set data(v:undo:r$data(v:undo:index)) [list [$w index insert] [$w get 1.0 end-1char]]
|
|
set data(v:undo:index) [expr ($data(v:undo:index)+1) % 100]
|
|
# do it
|
|
$w insert insert $what
|
|
# prepare undo/redo
|
|
set data(v:undo:r$data(v:undo:index)) [list [$w index insert] [$w get 1.0 end-1char]]
|
|
}
|
|
|
|
#----------------------------------------------------------------------------------------------
|
|
# History window to memorize already typed regexp
|
|
|
|
proc regexp::history:init {} {
|
|
variable data
|
|
global font
|
|
|
|
set w [toplevel .history]
|
|
wm title $w "Visual REGEXP $::version -- REGEXP History"
|
|
wm geometry $w 640x480
|
|
wm protocol $w WM_DELETE_WINDOW "set regexp::data(v:history) 0; wm withdraw $w"
|
|
|
|
# text zone
|
|
set tf [frame $w.t]
|
|
pack $tf -side top -expand true -fill both
|
|
set t [text $tf.t -xscrollcommand "$tf.x set" -yscrollcommand "$tf.y set" \
|
|
-bg white -font $::font_regexp -width 5 -height 1 \
|
|
-selectbackground lightblue -selectborderwidth 0]
|
|
set data(w:history) $t
|
|
$t tag configure spacing -font {Helvetica 6}
|
|
set tx [scrollbar $tf.x -bd 1 -orient horizontal -command "$t xview"]
|
|
set ty [scrollbar $tf.y -bd 1 -orient vertical -command "$t yview"]
|
|
bindtags $t "$t all"
|
|
grid $t $ty -sticky news
|
|
grid $tx x -sticky news
|
|
grid columnconfigure $tf {0} -weight 1
|
|
grid columnconfigure $tf {1} -weight 0
|
|
grid rowconfigure $tf {0} -weight 1
|
|
grid rowconfigure $tf {1} -weight 0
|
|
|
|
# buttons
|
|
set bf [frame $w.f]
|
|
pack $bf -side bottom -padx 5 -pady 5
|
|
|
|
set b1 [button $bf.1 -bd 1 -text "Hide" -command "wm withdraw $w; set ::regexp::data(v:history) 0"]
|
|
set b2 [button $bf.2 -bd 1 -text "Save ..." -command "regexp::history:save"]
|
|
pack $b2 $b1 -side left -anchor c
|
|
|
|
wm withdraw $w
|
|
}
|
|
|
|
set last ""
|
|
set counter 0
|
|
|
|
proc regexp::history:add {} {
|
|
variable data
|
|
|
|
if {$::inReplay} {
|
|
# avoid to put the same expression again when replaying it
|
|
set ::inReplay 0
|
|
return
|
|
}
|
|
|
|
set exp [$data(w:regexp) get 1.0 end-1char]
|
|
if {$exp != "" && $exp != $::last} {
|
|
# memorize position
|
|
set start [$data(w:history) index insert]
|
|
# add text
|
|
$data(w:history) insert end "$exp\n"
|
|
set end [$data(w:history) index insert]
|
|
$data(w:history) insert end "\n" {spacing}
|
|
set ::last $exp
|
|
$data(w:history) yview moveto 1.0
|
|
# do the binding
|
|
set tag "t$::counter"
|
|
incr ::counter
|
|
$data(w:history) tag bind $tag <Any-Enter> "$data(w:history) tag configure $tag -background lightblue"
|
|
$data(w:history) tag bind $tag <Any-Leave> "$data(w:history) tag configure $tag -background {}"
|
|
$data(w:history) tag bind $tag <1> "regexp::history:replay [list $exp]"
|
|
$data(w:history) tag add $tag $start $end
|
|
|
|
# colorize the expression in history
|
|
scan $start "%d.%d" sl sc
|
|
incr sl -1
|
|
foreach tag {e0 e1 e2 e3 e4 e5 e6 e7 e8 e9 lookahead noreport} {
|
|
foreach {start end} [$data(w:regexp) tag ranges $tag] {
|
|
set start [$data(w:history) index "$start + $sc chars + $sl lines"]
|
|
set end [$data(w:history) index "$end + $sc chars + $sl lines"]
|
|
$data(w:history) tag add $tag $start $end
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
set inReplay 0
|
|
|
|
proc regexp::history:replay {text} {
|
|
variable data
|
|
|
|
set ::inReplay 1
|
|
regexp:set $text
|
|
go
|
|
}
|
|
|
|
proc regexp::history:save {} {
|
|
variable data
|
|
|
|
set file [tk_getSaveFile -defaultextension .txt]
|
|
if {$file != ""} {
|
|
set out [open $file "w"]
|
|
puts -nonewline $out [$data(w:history) get 1.0 end]
|
|
close $out
|
|
}
|
|
}
|
|
|
|
|
|
#----------------------------------------------------------------------------------------------
|
|
# Manage SAMPLE
|
|
#----------------------------------------------------------------------------------------------
|
|
|
|
proc regexp::sample:set {text} {
|
|
variable data
|
|
|
|
$data(w:sample) delete 1.0 end
|
|
$data(w:sample) insert 1.0 $text
|
|
set data(v:undo:sample) $text
|
|
}
|
|
|
|
proc regexp::sample:colorize {} {
|
|
variable data
|
|
|
|
# remove old tags
|
|
foreach level $data(v:levels) {
|
|
$data(w:sample) tag remove $level 1.0 end
|
|
}
|
|
set data(v:position) 0
|
|
set data(v:positions) [list ]
|
|
|
|
# set new tags
|
|
set exp [$data(w:regexp) get 1.0 end-1char]
|
|
if {$exp == ""} {
|
|
set data(v:result) {}
|
|
return
|
|
}
|
|
set result [eval regexp -inline -indices $data(v:all) \
|
|
$data(v:line) $data(v:lineanchor) $data(v:linestop) \
|
|
$data(v:nocase) -- \
|
|
[list $exp] [list [$data(w:sample) get 1.0 end]]]
|
|
set data(v:result) $result
|
|
set i 0
|
|
foreach match $result {
|
|
set start [$data(w:sample) index "1.0+[lindex $match 0]chars"]
|
|
$data(w:sample) tag add e[expr $i % $data(v:nblevels)] \
|
|
$start [$data(w:sample) index "1.0+[expr [lindex $match 1]+1]chars"]
|
|
lappend data(v:positions) $start
|
|
if {$i == 0} {
|
|
$data(w:sample) see $start
|
|
}
|
|
incr i
|
|
}
|
|
# set nb of matches
|
|
if {$data(v:nblevels)} {
|
|
set nb 0
|
|
foreach item $result {
|
|
if {[lindex $item 0] <= [lindex $item 1]} {
|
|
incr nb
|
|
}
|
|
}
|
|
set regexp::data(v:nbmatches) "[expr $nb/$data(v:nblevels)] matches"
|
|
} else {
|
|
set regexp::data(v:nbmatches) "? matches"
|
|
}
|
|
}
|
|
|
|
proc regexp::sample:background {} {
|
|
variable data
|
|
|
|
foreach level $data(v:levels) color $::colors bgcolor $::bgcolors {
|
|
if {$data(v:background)} {
|
|
$data(w:sample) tag configure $level -foreground $color -background $bgcolor
|
|
} else {
|
|
$data(w:sample) tag configure $level -foreground $color -background {}
|
|
}
|
|
}
|
|
}
|
|
|
|
proc regexp::sample:move {amount} {
|
|
variable data
|
|
|
|
if {$amount == -1} {
|
|
if {$data(v:position) > 0} {
|
|
incr data(v:position) -1
|
|
}
|
|
} else {
|
|
if {$data(v:position) < [llength $data(v:positions)]-1} {
|
|
incr data(v:position) +1
|
|
}
|
|
}
|
|
set where [lindex $data(v:positions) $data(v:position)]
|
|
if {$where != ""} {
|
|
$data(w:sample) see $where
|
|
$data(w:sample) mark set insert $where
|
|
focus $data(w:sample)
|
|
}
|
|
}
|
|
|
|
#----------------------------------------------------------------------------------------------
|
|
|
|
proc regexp::sample:load {} {
|
|
variable data
|
|
|
|
# get filename
|
|
set types [list [list "All" *]]
|
|
set file [tk_getOpenFile -initialdir $data(v:dir) -filetypes $types -parent .]
|
|
if {$file == ""} {
|
|
return
|
|
}
|
|
# memorize location
|
|
set data(v:dir) [file dirname $file]
|
|
set data(v:file) [file tail $file]
|
|
# do it
|
|
set in [open $file "r"]
|
|
sample:set [read $in [file size $file]]
|
|
close $in
|
|
}
|
|
|
|
proc regexp::sample:save {mode} {
|
|
variable data
|
|
|
|
# get filename
|
|
set types [list [list "All" *]]
|
|
set file [tk_getSaveFile -initialdir $data(v:dir) -initialfile $data(v:file) \
|
|
-filetypes $types -parent .]
|
|
if {$file == ""} {
|
|
return
|
|
}
|
|
# memorize location
|
|
set data(v:dir) [file dirname $file]
|
|
set data(v:file) [file tail $file]
|
|
# do it
|
|
set out [open $file "w"]
|
|
fconfigure $out -translation $mode
|
|
puts $out [$data(w:sample) get 1.0 end]
|
|
close $out
|
|
}
|
|
|
|
|
|
#----------------------------------------------------------------------------------------------
|
|
# Main toplevel commands
|
|
#----------------------------------------------------------------------------------------------
|
|
|
|
proc regexp::make-regexp {} {
|
|
variable data
|
|
|
|
# new dialog
|
|
catch { destroy .mkregexp }
|
|
set w [toplevel .mkregexp]
|
|
wm title $w "Make regexp"
|
|
wm geometry $w 640x480
|
|
# widgets
|
|
set f [frame $w.top]
|
|
# area to input words
|
|
label $f.l1 -text "Words list:"
|
|
set list [text $f.list -wrap char -bg white -font $::font_regexp \
|
|
-selectbackground lightblue -selectborderwidth 0 \
|
|
-width 1 -height 10 -bd 1 -yscrollcommand "$f.sy1 set"]
|
|
scrollbar $f.sy1 -command "$list yview" -orient vertical -bd 1
|
|
# button to compute the regexp
|
|
set doit [button $f.doit -text "Compute" -width 15 -bd 1 -command "regexp::make-regexp:compute"]
|
|
# display result
|
|
label $f.l2 -text "Regexp:"
|
|
set output [text $f.output -wrap char -bg white -font $::font_regexp \
|
|
-selectbackground lightblue -selectborderwidth 0 \
|
|
-width 1 -height 4 -bd 1 -yscrollcommand "$f.sy2 set"]
|
|
bindtags $output "$output all"
|
|
scrollbar $f.sy2 -command "$output yview" -orient vertical -bd 1
|
|
# layout
|
|
grid $f.l1 $list $f.sy1 -sticky news
|
|
grid $doit - - -sticky ns -pady 2
|
|
grid $f.l2 $output $f.sy2 -sticky news
|
|
grid columnconfigure $f {1} -weight 1
|
|
grid rowconfigure $f {0 2} -weight 1
|
|
# init
|
|
set data(w:make:list) $list
|
|
set data(w:make:output) $output
|
|
# button OK / CANCEL
|
|
set ff [frame $w.bottom]
|
|
set ok [button $ff.ok -text "Insert into regexp" -width 20 -bd 1 -command "regexp::make-regexp:ok $w"]
|
|
set cancel [button $ff.cancel -text "Cancel" -width 20 -bd 1 -command "destroy $w"]
|
|
pack $ok $cancel -side left -fill both -padx 10 -pady 10
|
|
# layout
|
|
pack $f -side top -expand true -fill both
|
|
pack $ff -side bottom -anchor c
|
|
}
|
|
|
|
proc regexp::make-regexp:compute {} {
|
|
variable data
|
|
|
|
set words [$data(w:make:list) get 1.0 end-1c]
|
|
$data(w:make:output) delete 1.0 end
|
|
$data(w:make:output) insert 1.0 [make-regexp::make-regexp $words]
|
|
}
|
|
|
|
proc regexp::make-regexp:ok {w} {
|
|
variable data
|
|
|
|
set words [$data(w:make:list) get 1.0 end-1c]
|
|
|
|
$data(w:regexp) insert insert "([make-regexp::make-regexp $words])"
|
|
destroy $w
|
|
}
|
|
|
|
|
|
#==============================================================================================
|
|
# Main entry point
|
|
#==============================================================================================
|
|
|
|
# try to get customization from 'visual_regexp.ini'
|
|
puts "[file exists visual_regexp.ini]"
|
|
set filename [file dirname [info nameofexecutable]]/visual_regexp.ini
|
|
if {[file exists $filename]} {
|
|
source $filename
|
|
} elseif {[file exists visual_regexp.ini]} {
|
|
source visual_regexp.ini
|
|
}
|
|
|
|
# try to auto user patterns
|
|
set filename [file dirname [info nameofexecutable]]/regexp.txt
|
|
if {[file exists $filename]} {
|
|
regexp::pattern:load $filename
|
|
} elseif {[file exists regexp.txt]} {
|
|
regexp::pattern:load regexp.txt
|
|
}
|
|
|
|
# buld the GUI
|
|
regexp::history:init
|
|
regexp::gui
|
|
regexp::go
|
|
|
|
if {$argc > 1} {
|
|
puts "Usage: $argv0 <sampleFile>"
|
|
} elseif {$argc == 1} {
|
|
set filename [lindex $argv 0]
|
|
set file [open $filename]
|
|
set data [read $file [file size $filename]]
|
|
close $file
|
|
|
|
# memorize location
|
|
set regexp::data(v:dir) [file dirname $filename]
|
|
set regexp::data(v:file) [file tail $filename]
|
|
|
|
regexp::sample:set $data
|
|
unset data
|
|
}
|
|
|
|
|
|
#----------------------------------------------------------------------------------------------
|
|
|
|
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}
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#==============================================================================================
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# Make Regexp
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#==============================================================================================
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namespace eval make-regexp {
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}
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|
# Takes a list of words, returns a list "prefix <recurse> prefix <recurse> ..."
|
|
# after grouping by first common letter.
|
|
proc make-regexp::prefix {words} {
|
|
# init
|
|
set result {}
|
|
lappend words "" ;# to force last completion
|
|
# group by first letter
|
|
set prefix [string range [lindex $words 0] 0 0]
|
|
set subwords [list [string range [lindex $words 0] 1 end]]
|
|
foreach word [lrange $words 1 end] {
|
|
set char [string range $word 0 0]
|
|
if {$char == $prefix} {
|
|
lappend subwords [string range $word 1 end]
|
|
} else {
|
|
# compute prefixes recursively
|
|
set recurse [prefix $subwords]
|
|
if {[llength $recurse] == 2} {
|
|
# only one prefix, so concat with previous prefix
|
|
append prefix [lindex $recurse 0]
|
|
set recurse [lindex $recurse 1]
|
|
}
|
|
append result " [verify [list $prefix $recurse]]"
|
|
set prefix $char
|
|
set subwords [list [string range $word 1 end]]
|
|
}
|
|
}
|
|
# return
|
|
set result
|
|
}
|
|
# Verification of regexp.
|
|
# After searching common suffixes, some patterns grouped by parenthesis or conditional exps
|
|
# may be broken. We need to fix them.
|
|
proc make-regexp::verify {exp} {
|
|
set orphans [isOrphans $exp]
|
|
set result {}
|
|
foreach {prefix recurse} $exp {
|
|
if {![isBalanced $prefix]} {
|
|
if {[llength $recurse]} {
|
|
foreach {pp rr} $recurse {
|
|
lappend result "$prefix$pp" $rr
|
|
}
|
|
if {![isBalanced $prefix] && $orphans} {
|
|
set result [verify $result]
|
|
}
|
|
} else {
|
|
lappend result "$prefix" ""
|
|
}
|
|
} else {
|
|
lappend result $prefix $recurse
|
|
}
|
|
}
|
|
# return result after fixing
|
|
set result
|
|
}
|
|
# Check for orphan grouping ('|' lost in lower level)
|
|
proc make-regexp::isOrphans {exp} {
|
|
set orphan 0
|
|
foreach {prefix recurse} $exp {
|
|
if {[string index $prefix 0] == "|"} {
|
|
set orphan 1
|
|
break
|
|
}
|
|
if {[isOrphans $recurse]} {
|
|
set orphan 1
|
|
break
|
|
}
|
|
}
|
|
set orphan
|
|
}
|
|
#==============================================================================================
|
|
# Check if parenthesis in 'str' after balanced.
|
|
proc make-regexp::isBalanced {str} {
|
|
# if start with '?' skip it
|
|
if {[string index $str 0] == "?"} {
|
|
return 0
|
|
}
|
|
# must start with a ')'
|
|
if {[string index $str 0] != ")"} {
|
|
return 1
|
|
}
|
|
# try to balanced each ')' with an appropriate '('
|
|
set depth 0
|
|
foreach c [split $str {}] {
|
|
if {$c == "("} {
|
|
incr depth -1
|
|
} elseif {$c == ")"} {
|
|
incr depth +1
|
|
}
|
|
}
|
|
return [expr $depth == 0]
|
|
}
|
|
# Check if 'str' contains a first level grouping
|
|
proc make-regexp::firstLevelGroup {str} {
|
|
set depth 0
|
|
foreach c [split $str {}] {
|
|
if {$c == "("} {
|
|
incr depth -1
|
|
} elseif {$c == ")"} {
|
|
incr depth +1
|
|
} elseif {$depth == 0 && $c == "|"} {
|
|
return 1
|
|
}
|
|
}
|
|
return 0
|
|
}
|
|
#==============================================================================================
|
|
# After having found common prefixes, try to find common suffixes in expression
|
|
proc make-regexp::suffix {list} {
|
|
# end of recursion if empty list
|
|
if {[llength $list] == 0} {
|
|
return ""
|
|
}
|
|
set newlist {}
|
|
foreach {prefix recurse} $list {
|
|
set result [suffix $recurse]
|
|
lappend newlist $prefix [lindex $result 0]
|
|
}
|
|
# compute longest common suffixes
|
|
set words {}
|
|
foreach {prefix tail} $newlist {
|
|
if {[firstLevelGroup $tail]} {
|
|
set tail "($tail)"
|
|
}
|
|
lappend words [reverse $prefix$tail]
|
|
}
|
|
set words [lsort -unique $words]
|
|
set reverse [prefix $words]
|
|
# compute regexp from precomputed reverse list
|
|
set regexp [build "" $reverse]
|
|
# returns computed regexp
|
|
set regexp
|
|
}
|
|
proc make-regexp::build {mainstem reverse} {
|
|
# flag to indicate need for '?' (optional group)
|
|
set addQuestionMark 0
|
|
set regexp ""
|
|
foreach {prefix recurse} $reverse {
|
|
set stem "[reverse $prefix]$mainstem"
|
|
if {[llength $recurse]} {
|
|
set fromlower [build $stem $recurse]
|
|
} else {
|
|
set fromlower ""
|
|
}
|
|
# build regexp
|
|
if {$prefix == ""} {
|
|
set addQuestionMark 1
|
|
} else {
|
|
if {[string length $fromlower] > 1 && [string index $fromlower end] != "?"} {
|
|
set fromlower "($fromlower)"
|
|
}
|
|
append regexp "$fromlower[reverse $prefix]|"
|
|
}
|
|
}
|
|
# remove last trailing '|'
|
|
set regexp "[string range $regexp 0 end-1]"
|
|
# add '?' if needed
|
|
if {$addQuestionMark} {
|
|
if {[string length $regexp] == 1} {
|
|
set regexp "$regexp?"
|
|
} else {
|
|
set regexp "($regexp)?"
|
|
}
|
|
}
|
|
# result
|
|
set regexp
|
|
}
|
|
#----------------------------------------------------------------------------------------------
|
|
# Last pass for grouping '(x|y|z|...)' into char range '[xyz...]'
|
|
proc make-regexp::optimize:charset {regexp} {
|
|
set optimized ""
|
|
set memory ""
|
|
set ok 1
|
|
set charset ""
|
|
# examine char one by one
|
|
set len [string length $regexp]
|
|
for {set i 0} {$i < $len} {incr i} {
|
|
set char [string index $regexp $i]
|
|
append memory $char
|
|
if {$char =="("} {
|
|
# start of group
|
|
if {$ok} {
|
|
append optimized [string range $memory 0 end-1]
|
|
}
|
|
incr i
|
|
set result [optimize:charset [string range $regexp $i end]]
|
|
append optimized "[lindex $result 2][lindex $result 0][lindex $result 3]"
|
|
set memory ""
|
|
set ok 0
|
|
incr i [expr [lindex $result 1]]
|
|
continue
|
|
} elseif {$char ==")"} {
|
|
# end of group
|
|
if {$ok} {
|
|
set optimized "\[$charset\]"
|
|
return [list $optimized $i "" ""]
|
|
} else {
|
|
return [list $optimized $i "(" ")"]
|
|
}
|
|
}
|
|
if {$ok} {
|
|
if {$i & 1} {
|
|
if {$char != "|"} {
|
|
set ok 0
|
|
append optimized $memory
|
|
}
|
|
} else {
|
|
append charset $char
|
|
}
|
|
} else {
|
|
append optimized $char
|
|
}
|
|
}
|
|
# return result
|
|
list $optimized $i "(" ")"
|
|
}
|
|
#==============================================================================================
|
|
# Compute string in reverse order
|
|
proc make-regexp::reverse {string} {
|
|
set result ""
|
|
for {set i [expr [string length $string]-1]} {$i >= 0} {incr i -1} {
|
|
append result [string index $string $i]
|
|
}
|
|
set result
|
|
}
|
|
#==============================================================================================
|
|
proc make-regexp::make-regexp {words} {
|
|
set words [lsort -unique $words]
|
|
# escape special chars used to form regexp
|
|
regsub -all -- {\|} $words "\x01" words
|
|
regsub -all -- {\(} $words "\x02" words
|
|
regsub -all -- {\)} $words "\x03" words
|
|
regsub -all -- {\?} $words "\x04" words
|
|
regsub -all -- {\[} $words "\x07" words
|
|
regsub -all -- {\]} $words "\x08" words
|
|
# do it
|
|
set list [prefix $words]
|
|
set regexp [suffix $list]
|
|
# returns regexp
|
|
set regexp [lindex [optimize:charset $regexp] 0]
|
|
# un-escape special chars used to form regexp
|
|
regsub -all -- "\x01" $regexp "\\|" regexp
|
|
regsub -all -- "\x02" $regexp "\\(" regexp
|
|
regsub -all -- "\x03" $regexp "\\)" regexp
|
|
regsub -all -- "\x04" $regexp "\\?" regexp
|
|
regsub -all -- "\x07" $regexp "\\\[" regexp
|
|
regsub -all -- "\x08" $regexp "\\\]" regexp
|
|
regsub -all -- "\\*" $regexp "\\*" regexp
|
|
regsub -all -- "\\+" $regexp "\\+" regexp
|
|
regsub -all -- "\\\$" $regexp "\$" regexp
|
|
regsub -all -- "\\\^" $regexp "\\\^" regexp
|
|
# returns result
|
|
set regexp
|
|
}
|
|
#==============================================================================================
|
|
|