###########################################################
#                Tcl/Tk Project Manager                   #
#                    version 0.0.1                        #
#                  TCL highlight file                     #
# Copyright (c) "Sergey Kalinin", 2001, http://nuk-svk.ru  #
# Author: Sergey Kalinin banzaj28@yandex.ru       #
###########################################################
set beginQuote "0.0"
set endQuote "2.0"
set endQuotePrev "0.0"

proc HighLightSHELL {text line lineNumber node} {
    global fontNormal fontBold editorFontBold tree imgDir noteBook systemCmdList
    global editor color
    global beginQuote endQuote endQuotePrev
    set startIndex 0
    
    $text tag configure bold -font $editor(fontBold)
    $text tag configure className -font $editor(fontBold) -foreground $color(procName)
    $text tag configure keyWord -foreground $color(keyWord)
    $text tag configure comments -foreground $color(comments)
    $text tag configure variable -foreground $color(var)
    $text tag configure string -foreground $color(string)
    $text tag configure braceHighLight -font $editor(fontBold)\
    -foreground  $color(braceBG) -background $color(braceFG)
    $text tag configure brace -foreground $color(brace)
    $text tag configure percent -foreground $color(percent)
    $text tag configure bindKey -foreground $color(bindKey)
    $text tag configure sql -font $editor(fontBold) -foreground $color(sql)
    
    set keyWord [info commands]
    
    foreach n  $systemCmdList {lappend keyWord $n}
    
    # for OOP extention
    foreach n {if else then fi for done do while lt gt} {lappend keyWord $n}
    set dataType {list abstract boolean byte char double float int long short}
    set sqlOperators {select from where and or count sum in order cast as by}
    set a ""
    set startPos 0
    set endPos 0
    set length 0
    set workLine $line
    set className ""
    while {$workLine != ""} {
        if {[regexp "(^|\t| )\[a-zA-Z\\_:\]+" $workLine word]} {
            set length [string length $word]
            set startPos [string first [string trim $word] $line]
            set endPos [expr $startPos + $length]
            set workLine [string range $workLine $length end]
            if {[lsearch $keyWord [string trim $word]] != -1} {
                $text tag add keyWord $lineNumber.$startPos $lineNumber.$endPos
            }
            if {[lsearch $dataType [string trim $word]] != -1} {
                $text tag add bold $lineNumber.$startPos $lineNumber.$endPos
            }
            if {[lsearch $sqlOperators [string trim $word]] != -1} {
                $text tag add sql $lineNumber.$startPos $lineNumber.$endPos
            }
            if {[string trim $word]=="class" || [string trim $word]=="extends" || [string trim $word]=="implements" || [string trim $word]=="use"} {
                $text tag add className $lineNumber.[expr $startPos + $length] $lineNumber.[string wordend $line [expr $startPos + $length +2]]
            }
            set startPos [expr $endPos + 1]
        } else {
            break
        }
    }
        # string " " highlight
    set startPos 0
    set workLine $line
    while {$workLine != ""} {
        if {[regexp "\".*?\"" $workLine a b] || [regexp "\'.*?\'" $workLine a b]} {
            set start [string first $a $workLine]
            set end $start
            incr end [string length $a]
            set workLine [string range $workLine $end end]
            incr start $startPos
            incr end $startPos
            $text tag add string $lineNumber.$start $lineNumber.$end
            set startPos $end
        } else {
            break
        }        
    }
    
    # variable highlight #regexp -nocase -all -- {\$({|)[a-zA-Z0-9]+(:-|)(.+?}|)} string match v1 v2 v3
    #[regexp "\\$\[a-zA-Z0-9\\_\-\]+" $workLine a] || 
    set startPos 0
    set workLine $line
    while {$workLine != ""} {
        if [regexp -nocase -all -- {\$({|)([a-zA-Z0-9_\-]+)(:-|)(.+?}|\}|)} $workLine match v1 a v3  v4] {
            set start [string first $a $workLine]
            set end $start
            incr end [string length $a]
            set workLine [string range $workLine $end end]
            incr start $startPos
            incr end $startPos
            if {$a != ""} {
                $text tag add variable $lineNumber.$start $lineNumber.$end
            }
            set startPos $end
        } else {
            break
        }        
    }
    set startPos 0
    set workLine $line
    while {$workLine != ""} {
        if {[regexp "\\@\[a-zA-Z\\_:\]+" $workLine a]} {
            set start [string first $a $workLine]
            set end $start
            incr end [string length $a]
            set workLine [string range $workLine $end end]
            incr start $startPos
            incr end $startPos
            if {$a != ""} {
                $text tag add variable $lineNumber.$start $lineNumber.$end
            }
            set startPos $end
        } else {
            break
        }        
    }

    # persent % highlight
    set startPos 0
    set workLine $line
    while {$workLine != ""} {
        #        if {[regexp "\%.*? " $workLine a b]}
        if {[regexp "\%" $workLine a b] || [regexp "(\-\>)" $workLine a b]} {
            set start [string first $a $workLine]
            set end $start
            incr end [string length $a]
            set workLine [string range $workLine $end end]
            incr start $startPos
            incr end $startPos
            $text tag add percent $lineNumber.$start $lineNumber.$end
            set startPos $end
        } else {
            break
        }        
    }
    
    # DEDERER
    # hightlight [, {, }, ], ( , )
    set startPos 0
    set workLine $line
    while {$workLine != ""} {
        if {[regexp {\(|\[|{|}|\]|\)} $workLine a b]} {
            set start [string first $a $workLine]
            set end $start
            incr end [string length $a]
            set workLine [string range $workLine $end end]
            incr start $startPos
            incr end $startPos
            $text tag add bold $lineNumber.$start $lineNumber.$end
            set startPos $end
        } else {
            break
        }
    }
    
    # parameter for command hightlight  regexp -nocase -all -- {\s-+\w+(?=\s)} string match
    set startPos 0
    set workLine $line
    while {$workLine != ""} {
        if {[regexp -nocase -all -- {\s-+\w+(?=\s)} $workLine a b]} {
            set start [expr [string first $a $workLine] + 1]
            set end $start
            incr end [string length $a]
            set workLine [string range $workLine $end end]
            incr start $startPos
            incr end $startPos
            $text tag add bindKey $lineNumber.$start $lineNumber.$end
            set startPos $end
        } else {
            break
        }
    }
    ## COMENTS ##
    set workLine [$text get $lineNumber.0 $lineNumber.end]
    if {[regexp -indices "(^|\t|;| )#" $workLine word]} {
        set p [lindex $word 1]
        $text tag add comments $lineNumber.$p $lineNumber.end
        $text tag raise comments
    } else {
        $text tag remove comments $lineNumber.0 $lineNumber.end
    }
}