#!/bin/sh
#-*-tcl-*-
# the next line restarts using wish \
exec wish "$0" -- ${1+"$@"}
set version 3.0
###############################################################################################
#
# VisualREGEXP -- A graphical front-end to wirte/debug regular expression
# (c) 2000-2002 Laurent Riesterer
#
# VisualREGEXP Home Page: http://laurent.riesterer.free.fr/regexp
#
#----------------------------------------------------------------------------------------------
#
# Usage: tkregexp <sampleFile>
#
#----------------------------------------------------------------------------------------------
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
###############################################################################################
#----------------------------------------------------------------------------------------------
# SOME CUSTOMIZATION CAN BE DONE BY MODIFYING VARIABLES BELOW
#----------------------------------------------------------------------------------------------
# default geometry
set geometry 800x600+0+0
# main font used to display the text
if {$tcl_platform(platform) == "windows"} {
set font_regexp {Courier 10}
set font_replace {Courier 10}
set font_sample {Courier 10}
} else {
set font_regexp 9x15
set font_replace 9x15
set font_sample 9x15
}
# the font used in the popup menu (use ---- to get a separator, else format is {font size ?bold?}
set fonts {{Courier 8} {Courier 9} {Courier 10} {Courier 11} {Courier 12}
----
{Arial 8} {Arial 9} {Arial 10} {Arial 11} {Arial 12}
----
8x13 8x13bold 9x15 9x15bold 10x20}
# the colors for the different matching groups
set colors {#ff0000 #0000ff darkgreen violetred #ff9000 #537db9 #e4c500 firebrick darkgoldenrod hotpink}
set bgcolors {#ffe6e6 #e6e6ff #e6ffe6 #efd5e1 #fef3e5 #d6dce5 lightyellow white white white}
# use background color in sample by default ? (1 use, 0 do not use)
set background 0
# background color to visualize the non-reporting group (?:...)
set color_noreport #fffdc4
# background color to visualize the lookhead group (?=...) and (?!...)
set color_lookahead wheat
# show/hide help about control characters in regexp
set show_help 0
# show/hide history windows on startup
set history 0
# mode to use on startup (select/concat = raw, select/insert new lines = nl, replace = replace)
set mode replace
# database of some regexp to appear in the "Insert regexp" menu
set regexp_db {
"URL" {(?:^|")(http|ftp|mailto):(?://)?(\w+(?:[\.:@]\w+)*?)(?:/|@)([^"\?]*?)(?:\?([^\?"]*?))?(?:$|")}
"IP numbers" {[12]?[0-9]?[0-9](\.[12]?[0-9]?[0-9]){3}}
"HTML tags" {<[^<>]+>}
"HTML tag content" {<(\w+)[^>]*?>(.*?)</\1>}
"vars and arrays (PHP)" {\$[^0-9 ]{1}[a-zA-Z0-9_]*((?:\[[a-zA-Z0-9_'\"]+\])*)}
"dd/mm/yyyy" {(0[1-9]|[12][0-9]|3[01])(/|-)(0[1-9]|1[12])(/|-)[12][0-9]{3}}
"mm/dd/yyyy" {(0[1-9]|1[12])(/|-)(0[1-9]|[12][0-9]|3[01])(/|-)[12][0-9]{3}}
"hh:mm" {([01][0-9]|2[0-3]):[0-5][0-9]}
"user@domain.net" {[A-Za-z0-9_.-]+@([A-Za-z0-9_]+\.)+[A-Za-z]{2,4}}
}
#----------------------------------------------------------------------------------------------
# DO NOT MODIFY BELOW THIS POINT
#----------------------------------------------------------------------------------------------
namespace eval regexp {} {
set data(v:undo:index) 0
set data(v:undo:sample) ""
set data(v:dir) "."
set data(v:file) "untitled.txt"
}
#----------------------------------------------------------------------------------------------
# Main GUI
#----------------------------------------------------------------------------------------------
proc regexp::gui {} {
variable data
global colors bgcolors color_noreport color_lookahead geometry show_help regexp_db history
global tcl_platform
set top ""
# frame for regexp
set w [frame $top.regexp -bd 2 -relief groove]
# options
set fo [frame $w.options]
set sep 0
foreach option {nocase all - line lineanchor linestop - inline} \
label {nocase all - line "lineanchor (k)" "linestop (m)" - inline} \
underline {0 0 - 0 12 10 - 0} {
if {$option != "-"} {
checkbutton $fo.$option -text $label -bd 1 -underline $underline \
-variable regexp::data(v:$option) \
-offvalue "" -onvalue "-$option"
set data(v:$option) ""
pack $fo.$option -side left
} else {
pack [frame $fo.[incr sep] -width 40] -side left
}
}
# text for regexp entry
set data(w:regexp) [text $w.regexp -wrap char -bg white -font $::font_regexp \
-selectbackground lightblue -selectborderwidth 0 \
-width 1 -height 3 -bd 1]
if {$tcl_platform(platform) == "windows"} {
set sfont {Courier 8}
set sbfont {Courier 8 bold}
} else {
set sfont 6x13
set sbfont 6x13bold
}
set data(w:help) [text $w.help -font $sfont -bd 0 -height 9 -wrap none -bg [$w cget -bg]]
$w.help insert 1.0 "\n\n\n\n\n\n\n\n"
$w.help insert 1.0 {\a alert \n newline \0 char 0 \d [[:digit:]] \A beginning of the string }
$w.help insert 2.0 {\b backspace \r carriage \xyz octal code \D [^[:digit:]] \Z end of string }
$w.help insert 3.0 {\B synomyn for \ \t tab \s [[:space:]] \m beginning of a word}
$w.help insert 4.0 {\cX same as X & 0x1F \uwxyz unicode \x backref \S [^[:space:]] \M end of a word}
$w.help insert 5.0 {\e ESC \v vert tab \w [[:alnum:]_] \y beginning or end of a word}
$w.help insert 6.0 {\f form feed \xhhh hexa code \W [^[:alnum:]_] \Y not beginning or end of a word}
$w.help insert 7.0 {----------------------------------------------------------------------------------------------------------------}
$w.help insert 8.0 { ungreedy: ?? single optional *? zero-many +? at least one {n,m}? ungreedy quantifiers}
$w.help insert 9.0 {(?:) ghost group (?=) lookahead (?!) neg. lookahead}
$w.help tag configure bold -font $sbfont
foreach line {1 2 3 4 5 6} {
foreach {min max} {0 2 23 25 42 44 61 63 79 82} {
$w.help tag add bold $line.$min $line.$max
}
}
$w.help tag remove bold 2.43 2.44 4.43 4.44
# buttons & selection of match
set fb [frame $w.b]
button $fb.go -text "Go" -underline 0 -command "regexp::go" -bd 1 -width 5
button $fb.clear -text "Clear (z)" -underline 7 -command "regexp::clear" -bd 1 -width 5
pack $fb.go [frame $fb.00 -width 10] $fb.clear -side left -pady 5
# selection - buttons for match level
label $fb.sep
label $fb.l -text "Select:"
pack $fb.sep -side left -fill x -expand true
pack $fb.l -side left -padx 5 -pady 5
set i 0
foreach c $colors t {match 1 2 3 4 5 6 7 8 9} {
button $fb.$i -text $t -fg $c -bd 1 -padx 0 -width 6 -command "regexp::select $i"
pack $fb.$i -side left -fill y -pady 5
incr i
}
# text for replace
set f [frame $w.replace]
set data(w:replace) [text $f.replace -wrap char -bg white -font $::font_replace \
-selectbackground lightblue -selectborderwidth 0 \
-width 1 -height 2 -bd 1]
button $f.do -text "Replace" -underline 0 -bd 1 -width 9 -command "regexp::replace"
label $f.nb -textvariable regexp::data(v:nbreplace) -width 12 -anchor e
pack $data(w:replace) -side left -expand true -fill both -pady 5 -padx 5
pack $f.do -side left -pady 5
pack $f.nb -side left -pady 5 -padx 5
# layout
pack [frame $w.0 -height 5] $data(w:regexp) -side top -anchor w -padx 5 -expand true -fill both
pack $fo $fb -side top -anchor w -padx 5 -expand true -fill both
pack $fb -side top -anchor w -padx 5 -expand true -fill both
set data(w:allreplace) $f
# frame for sample
set w [frame $top.sample -bd 2 -relief groove]
set w [frame $w.inner]
pack $top.sample.inner -padx 5 -pady 5 -fill both -expand true
# text for sample highlighting
set data(w:sample) [text $w.sample -bg white -font $::font_sample -bd 1 -width 1 -height 1 \
-selectbackground lightblue -selectborderwidth 0 \
-yscrollcommand "$w.sy set" -xscrollcommand "$w.sx set"]
scrollbar $w.sy -command "$w.sample yview" -orient vertical -bd 1
scrollbar $w.sx -command "$w.sample xview" -orient horizontal -bd 1
# set tags for colors & special
set data(v:levels) {e0 e1 e2 e3 e4 e5 e6 e7 e8 e9}
foreach level $data(v:levels) \
color $colors {
$data(w:regexp) tag configure $level -foreground $color
$data(w:history) tag configure $level -foreground $color
$data(w:sample) tag configure $level -foreground $color
}
$data(w:regexp) tag configure lookahead -background $color_lookahead
$data(w:regexp) tag configure noreport -background $color_noreport
$data(w:history) tag configure lookahead -background $color_lookahead
$data(w:history) tag configure noreport -background $color_noreport
# options
set f [frame $w.matches]
label $f.nb -textvariable regexp::data(v:nbmatches) -anchor w
set regexp::data(v:nbmatches) "0 matches"
# button for navigation
button $f.p -text "Previous" -bd 1 -pady 2 -width 8 -command "regexp::sample:move -1"
button $f.n -text "Next" -bd 1 -pady 2 -width 8 -command "regexp::sample:move +1"
set data(v:positions) [list ]
set data(v:position) 0
# layout
pack $f.nb [frame $f.0 -width 15] $f.p $f.n -padx 5 -side left
# layout
grid $w.sample $w.sy -sticky news
grid $w.sx x -sticky news
grid $w.matches - -sticky news
grid rowconfigure $w {0} -weight 1
grid columnconfigure $w {0} -weight 1
# main layout
pack $top.regexp -side top -anchor w -padx 5 -pady 5 -fill x
pack $top.sample -side top -anchor w -padx 5 -pady 5 -expand true -fill both
wm geometry . $geometry
wm title . "Visual REGEXP $::version"
focus $data(w:regexp)
# main menu
. configure -menu .menubar
set m [menu .menubar -tearoff 0 -bd 1 -activeborderwidth 1]
# file
$m add cascade -menu $m.file -label "File" -underline 0
set mm [menu $m.file -tearoff 0 -bd 1 -activeborderwidth 1]
$mm add command -label "Load regexp ..." -command "regexp::regexp:load"
$mm add command -label "Load sample ..." -command "regexp::sample:load" -accelerator "Alt-O"
$mm add separator
$mm add command -label "Save sample (auto) ..." -command "regexp::sample:save auto" -accelerator "Alt-S"
$mm add command -label "Save sample Unix (lf) ..." -command "regexp::sample:save lf"
$mm add command -label "Save sample Windows (crlf) ..." -command "regexp::sample:save crlf"
$mm add command -label "Save sample Mac (cr) ..." -command "regexp::sample:save cr"
$mm add separator
$mm add command -label "Quit" -underline 0 -command "exit" -accelerator "Alt-Q"
# edit
$m add cascade -menu $m.edit -label "Edit" -underline 0
set mm [menu $m.edit -tearoff 0 -bd 1 -activeborderwidth 1]
$mm add command -label "Copy regexp to clipboard" -command "regexp::dump" -accelerator "Alt-C"
$mm add separator
$mm add command -label "Undo" -command "regexp::unredo:regexp -1" -accelerator "Control-Z"
$mm add command -label "Redo" -command "regexp::unredo:regexp +1" -accelerator "Control-R"
# view
$m add cascade -menu $m.view -label "View" -underline 0
set mm [menu $m.view -tearoff 0 -bd 1 -activeborderwidth 1]
set regexp::data(v:background) $::background
regexp::sample:background
$mm add checkbutton -label "Show background for matches" -command "regexp::sample:background" \
-variable regexp::data(v:background)
$mm add checkbutton -label "Show regexp help" -command "regexp::regexp:help:toggle" \
-variable regexp::data(v:help)
set regexp::data(v:help) $show_help
$mm add checkbutton -label "Wrap lines in sample" -variable regexp::data(v:wrap) \
-command "$data(w:sample) configure -wrap \$regexp::data(v:wrap)" \
-offvalue "none" -onvalue "char"
set regexp::data(v:history) $history
$mm add checkbutton -label "History of Regexp" -variable regexp::data(v:history) \
-command "if {\$regexp::data(v:history)} {wm deiconify .history} else {wm iconify .history}"
# select mode
$m add cascade -menu $m.select -label "Select mode" -underline 5
set mm [menu $m.select -tearoff 0 -bd 1 -activeborderwidth 1]
$mm add radiobutton -label "select / concat raw matches" \
-variable regexp::data(v:mode) -value "raw" -command regexp::replace:toggle
$mm add radiobutton -label "select / insert new line between matches" \
-variable regexp::data(v:mode) -value "nl" -command regexp::replace:toggle
$mm add radiobutton -label "replace widget" \
-variable regexp::data(v:mode) -value "replace" -command regexp::replace:toggle
# insert well know regexp
$m add cascade -menu $m.insert -label "Insert regexp" -underline 11
set mm [menu $m.insert -tearoff 0 -bd 1 -activeborderwidth 1]
$mm add command -label "Make regexp ..." -command "regexp::make-regexp"
$mm add separator
$mm add command -label "Load patterns ..." -command "regexp::pattern:load"
$mm add separator
foreach {n e} $regexp_db {
$mm add command -label "$n" -command "regexp::regexp:insert [list $e]"
}
set data(w:menu) $mm
# help
$m add cascade -menu $m.help -label "Help" -underline 0
set mm [menu $m.help -tearoff 0 -bd 1 -activeborderwidth 1]
$mm add command -label "Help" -command "regexp::help"
# key binding
bind all <Alt-q> "exit"
bind all <Alt-g> "regexp::go"
bind $data(w:regexp) <Return> "regexp::go; break"
bind all <Alt-c> "regexp::dump"
bind all <Alt-r> "regexp::replace"
bind all <Alt-o> "regexp::sample:load"
bind all <Alt-s> "regexp::sample:save auto"
bind $data(w:regexp) <Control-z> "regexp::unredo:regexp -1"
bind $data(w:regexp) <Control-r> "regexp::unredo:regexp +1"
bind $data(w:replace) <Control-z> "regexp::undo:sample"
bind $data(w:sample) <Control-z> "regexp::undo:sample"
bind all <Alt-a> "$fo.all toggle"
bind all <Alt-n> "$fo.nocase toggle"
bind all <Alt-l> "$fo.line toggle"
bind all <Alt-k> "$fo.lineanchor toggle"
bind all <Alt-m> "$fo.linestop toggle"
bind all <Alt-i> "$fo.inline toggle"
bind all <Alt-z> "regexp::clear"
bind $data(w:regexp) <Control-Key> { # nothing }
bind $data(w:regexp) <Alt-Key> { # nothing }
bind $data(w:regexp) <Meta-Key> { # nothing }
bind $data(w:regexp) <Mod1-Key> { # nothing }
bind $data(w:regexp) <Key> "regexp::undo:regexp:compute %W %K %A"
bind $data(w:replace) <Control-Tab> "$data(w:replace) insert insert {\\t}; break;"
bind $data(w:sample) <Control-Tab> "$data(w:sample) insert insert {\t}; break;"
# special for regexp Ctrl+letter = \<letter>
bind $data(w:regexp) <Control-Tab> "$data(w:regexp) insert insert {\\t}; break;"
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} {
bind $data(w:regexp) <Control-$key> "$data(w:regexp) insert insert {\\$key}; break;"
}
foreach key {a b B e f n r t v u x 0} {
bind $data(w:replace) <Control-$key> "$data(w:replace) insert insert {\\$key}; break;"
}
bind Text <Control-v> {}
# font selection popup
foreach w {regexp replace sample} {
set m [menu .fonts_$w -tearoff 0]
foreach f $::fonts {
if {$f == "----"} {
$m add separator
} else {
$m add command -label $f -command "$data(w:$w) configure -font [list $f]"
}
}
bind $data(w:$w) <3> "tk_popup $m %X %Y"
}
# some init
set data(v:nocase) "-nocase"
set data(v:all) "-all"
set data(v:wrap) "char"
set regexp::data(v:mode) $::mode
replace:toggle ;# set bindings
regexp:help:toggle
}
proc regexp::pattern:load {{file ""}} {
variable data
# get filename
if {$file == ""} {
set types [list [list "All" *]]
set file [tk_getOpenFile -filetypes $types -parent .]
if {$file == ""} {
return
}
}
# do it
set in [open $file "r"]
$data(w:menu) delete [expr 4+[llength $::regexp_db]/2] end
while {![eof $in]} {
set name [gets $in]
while {$name == ""} {
set name [gets $in]
}
set pattern [gets $in]
while {$pattern == ""} {
set pattern [gets $in]
}
$data(w:menu) add command -label $name -command "regexp::regexp:insert [list $pattern]"
}
close $in
}
#----------------------------------------------------------------------------------------------
# Main toplevel commands
#----------------------------------------------------------------------------------------------
proc regexp::go {} {
variable data
set exp [$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]
if [file exists $filename] {
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]
} else {
set data [lindex $argv 0]
}
regexp::sample:set $data
unset data
}
#----------------------------------------------------------------------------------------------
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}
#==============================================================================================
# Make Regexp
#==============================================================================================
namespace eval make-regexp {
}
# 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
}
#==============================================================================================