#!/usr/bin/tclsh
#------------------------------>  Tcl - script  <-----------------------------#
#- Copyright (C) 199x by International Computer Science Institute            -#
#- This file is part of the GNU Sather package. It is free software; you may -#
#- redistribute  and/or modify it under the terms of the  GNU General Public -#
#- License (GPL)  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 Doc/GPL for more details.        -#
#- The license text is also available from:  Free Software Foundation, Inc., -#
#- 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA                     -#
#------------->  Please email comments to <bug-sather@gnu.org>  <-------------#

proc satherCleanName { nodeName } {
    # Replace all the dangerous characters that sather uses
    # in class names
    regsub {\$} ${nodeName} {dol} newName
    regsub {\{} ${newName} {LB} newName2
    regsub {\}} ${newName2} {RB} newName3
    regsub {\}} ${newName2} {RB} newName3
    regsub {\\} ${newName3}  slash newName4
    regsub {\.} ${newName4} dot newName5
    return ${newName5}
}

proc dottyPutNode { fn name } {
    set cn [satherCleanName ${name}]
    puts $fn " \"${cn}\"  \[ \n label = \"${name}\" \n \];"
}

proc dottyPutEdge { fn src dest } {
    set cs [satherCleanName ${src}]
    set cd [satherCleanName ${dest}]
    puts $fn " \"${cs}\" -> \"${cd}\" \[ \n \];"
}

proc getAllFile { fname } {
    set ret ""
    if { [file exists ${fname}] } {
	set f [open ${fname} r]
	set ret [read $f]
	close $f
    } else {
	puts "No File found: $fname"
	set ret "No File Found:${fname}"
    }
    return $ret
}

set gHome "$env(SATHER_HOME)"
set header [open "${gHome}/Browser/Web/dotty-header" r]
set headerStr [read $header]
close ${header}
set fileName $argv

puts "$fileName"
set infl [open ${fileName} "r"]
set graphInfo [getAllFile ${fileName}]
set outfl [open "${fileName}.dot" "w"]
puts $outfl ${headerStr}
set edges [lindex ${graphInfo} 2]
foreach edge ${edges} {
    set src [lindex ${edge} 0]
    set dest [lindex ${edge} 1]
    dottyPutNode ${outfl} ${src}
    dottyPutNode ${outfl} ${dest}
}
foreach edge ${edges} {
    set src [lindex ${edge} 0]
    set dest [lindex ${edge} 1]
    dottyPutEdge $outfl  ${src}  ${dest}
}
puts ${outfl} "\}"
close ${outfl}

