Eskil

# Stop Tk from meddling with the command line by copying it first.
set ::eskil(argv) $::argv
set ::eskil(argc) $::argc
set ::argv {}
set ::argc 0

set ::eskil(debug) 0
set ::eskil(diffver) "Version 2.6.2+ 2012-06-22"
set ::eskil(thisScript) [file join [pwd] [info script]]

namespace import tcl::mathop::+
namespace import tcl::mathop::-
namespace import tcl::mathop::*
namespace import tcl::mathop::/

    wm title $top "Eskil: [TitleTail $top]"

    # Run diff and parse the result.
    set opts $Pref(ignore)
    if {$Pref(nocase)} {lappend opts -nocase}
    if {$Pref(noempty)} {lappend opts -noempty}
    if {$Pref(pivot) > 0} {lappend opts -pivot $Pref(pivot)}
    if {[info exists ::eskil($top,aligns)] && \
            [llength $::eskil($top,aligns)] > 0} {
        lappend opts -align $::eskil($top,aligns)
    }
    set range {}
    if {[info exists ::eskil($top,range)] && \
            [llength $::eskil($top,range)] == 4} {

        Init
        return [makeDiffWin]
    }

    set allOpts {
        -w --help -help -b -noignore -i -nocase -nodigit -nokeyword -prefix
        -noparse -line -smallblock -block -char -word -limit -nodiff -dir
        -clip -patch -browse -conflict -print -noempty -pivot
        -printHeaderSize -printCharsPerLine -printPaper
        -printColorChange -printColorOld -printColorNew
        -server -o -a -fine -r -context -cvs -svn -review
        -foreach -preprocess -preprocessleft -preprocessright
        -close -nonewline -plugin -plugininfo
        -plugindump -pluginlist -nocdiff
    }

            } elseif {$nextArg eq "revision"} {
                set opts(doptrev$revNo) $arg
                incr revNo
            } elseif {$nextArg eq "limitlines"} {
                set opts(limitlines) $arg
            } elseif {$nextArg eq "context"} {
                set Pref(context) $arg
            } elseif {$nextArg eq "pivot"} {
                if {$arg >= 1} {
                    set Pref(pivot) $arg
                }
            } elseif {$nextArg eq "prefix"} {
                set RE [string map [list % $arg] {^.*?\m(%\w+).*$}]
                if {$Pref(nocase)} {
                    set RE "(?i)$RE"
                }
                lappend ::Pref(preprocess) $RE {\1} ""
            } elseif {$nextArg eq "plugin"} {

            set Pref(ignore) "-b"
        } elseif {$arg eq "-noignore"} {
            set Pref(ignore) " "
        } elseif {$arg eq "-i"} {
            set Pref(nocase) 1
        } elseif {$arg eq "-nocase"} {
            set Pref(nocase) 1
        } elseif {$arg eq "-noempty"} { # FIXA: Add to documentation
            set Pref(noempty) 1
        } elseif {$arg eq "-pivot"} { # FIXA: Add to documentation
            set nextArg pivot
        } elseif {$arg eq "-nodigit"} {
            set Pref(nodigit) 1
        } elseif {$arg eq "-nokeyword"} {
            set Pref(dir,ignorekey) 1
        } elseif {$arg eq "-prefix"} {
            set nextArg prefix
        } elseif {$arg eq "-preprocess"} {

    set Pref(fontsize) 8
    # Maybe change to TkFixedFont in 8.5 ?
    set Pref(fontfamily) Courier
    set Pref(ignore) "-b"
    set Pref(nocase) 0
    set Pref(noempty) 0
    set Pref(pivot) 0
    set Pref(nodigit) 0
    set Pref(parse) 2
    set Pref(lineparsewords) 0
    set Pref(colorequal) ""
    set Pref(colorchange) red
    set Pref(colornew1) darkgreen
    set Pref(colornew2) blue