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#!/usr/bin/env perl
############################################################################
#             __________               __   ___.                  
#   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___  
#   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /  
#   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <   
#   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
#                     \/            \/     \/    \/            \/ 
# $Id$
#
# Copyright (C) 2002 by Daniel Stenberg <daniel@haxx.se>
#
# All files in this archive are subject to the GNU General Public License.
# See the file COPYING in the source tree root for full license agreement.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
############################################################################

if(!$ARGV[0] || !$ARGV[1] || !$ARGV[2]) {
    print <<MOO
Usage: binlang <english file> <language file> <output file>

Generate a binary language file.
MOO
;
    exit;
}

if($ARGV[0] eq "-v") {
    shift @ARGV;
    $debug=1;
}

my $english = $ARGV[0];
my $input = $ARGV[1];
my $output = $ARGV[2];

my $idnum=0;

open(ENG, "<$english") or die "Can't open $english";
open(LANG, "<$input") or die "Can't open $input";
open(OFILE, ">$output" or die "Can't open $output");

my $langversion = 1;

binmode OFILE;

printf OFILE ("\x1a%c", $langversion); # magic lang file header

#
# We scan the english file to get the correct order of the id numbers
#
my $idnum=0; # start with a true number
while(<ENG>) {
    if($_ =~ / *\#/) {
        # comment
        next;
    }
    # get rid of DOS newlines
    $_ =~ s/\r//g;
    if($_ =~ / *([a-z]+): *(.*)/) {
        ($var, $value) = ($1, $2);
        $set{$var} = $value;

        if($var eq "new") {
            # the last one for a single phrase
            $idnum{$set{'id'}}=$idnum;
            $idnum++;
            undef %set;
        }
    }
}
close(ENG);

while(<LANG>) {
    if($_ =~ / *\#/) {
        # comment
        next;
    }
    # get rid of DOS newlines
    $_ =~ s/\r//g;
    if($_ =~ / *([a-z]+): *(.*)/) {
        ($var, $value) = ($1, $2);
  #      print "$var => $value\n";

        $set{$var} = $value;

        if($var eq "new") {
            # the last one for a single phrase

            if(!$value) {
                # if not set, get the english version
                $value = $set{'eng'};
            }

            if($value =~ s/^\"(.*)\" *$/$1/g) {

                $idnum = $idnum{$set{'id'}};

                if($idnum eq "") {
                    warn "Found no ".$set{'id'}." in english file!\n";
                }
                else {
                    $idnum{$set{'id'}} = '_done_';

                    printf OFILE ("%c%c%s\x00",
                                  ($idnum>>8), ($idnum&0xff),
                                  $value);
                    if($debug) {
                        printf("%02x => %s\n", $idnum, $value);
                    }
                }
            }
            else {
                warn "String for ".$set{'id'}." misses quotes\n";
            }

            undef %set;
        }

    }

}
close(LANG);

close(OFILE);

foreach $k (keys(%idnum))
{
   if($idnum{$k} ne '_done_')
   {
      warn "Missing ID in $input: $k\n";
   }
}