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#!/usr/bin/perl
use strict;
use XML::Parser;


sub wrap {
    @_[0] =~ s/\\'/\\\\'/g;
    @_[0] =~ s/\\q/\\\\q/g;
    @_[0] =~ s/\\a/\\\\a/g;
    @_[0] =~ s/\\n/\\\\n/g;
}

sub load_wpo {
    my ($tree, $tag ,$page) = @_;
    
    foreach my $leaf (@$tree) {
	if (ref($leaf) eq 'ARRAY') {
	    $page = load_wpo($leaf, $tag, $page);
	} elsif (ref($leaf) eq 'HASH') {
	    # XML compatibility
	    wrap $leaf->{description};
	    wrap $leaf->{helpText};
	    wrap $leaf->{wizardTitle};
	    wrap $leaf->{nextButtonText};
	    $page->{$leaf->{wizardTitle}} = "";
	    $page->{$leaf->{helpText}} = "";
	    $page->{$leaf->{description}} = "";
	    $page->{$leaf->{nextButtonText}} = "";
	} elsif(ref($leaf)=~ /\w\D/){
	    $tag = $leaf;
	}
    }
    $page;
}

my $xmltree = XML::Parser->new(Style => 'Tree')->parsefile($ARGV[0]);
my $wpo = load_wpo($xmltree);

print STDERR "$ARGV[0] =>";
$ARGV[0] =~ /.*\/(.*)\.wiz.*/;

open(PO, "> ./po/$1.pot");
my $date = `date +%Y-%m-%d\\ %H:%M%z`;
chomp $date;

foreach (keys %{$wpo}) {
    print "$_\n";
    $_ ne "" and print PO "msgid \"$_\"\nmsgstr \"\"\n\n";
}
close PO;
print STDERR "./po/$1.pot\n";