#!/usr/bin/perl

$inone = 0;
$intran = 0;
$total = 0;
while (<>) {
    if (!$inone && /^msgid/) {
	chop;
	$str = substr($_, 7, length($_) - 8);
	$inone = 1;
    } elsif ($inone && /^"/) {
	chop;
	$str .= substr($_, 1, length($_) - 2);
    } elsif ($inone) {
	$inone = 0;

	$str =~ s/\\n/\n/g;
	$str =~ s/\\t/\t/g;
	$str =~ s/\\"/"/g;

	# the string is complete -- calculate a hash
	$sum = 0;
	$xor = 0;
	for ($i = 0; $i < length($str); $i++) {
	    $char = ord(substr($str, $i, 1));
	    $sum += $char;
	    $xor ^= $char;
	}

	$total = ($sum << 16) | (($xor & 0xFF) << 8) | (length($str) & 0xFF);
    }

    if (!$intran && /^msgstr/) {
	chop;
	$tran = substr($_, 8, length($_) - 9);
	$intran = 1;
    } elsif ($intran && /^"/) {
	chop;
	$tran .= substr($_, 1, length($_) - 2);
    } elsif ($intran) {
	$intran = 0;

	$tran =~ s/\\n/\n/g;
	$tran =~ s/\\t/\t/g;
	$tran =~ s/\\"/"/g;

	if (!$total && $str) {
	    print STDERR "Missing string for $tran";
	    exit 1
	} elsif ($str && $tran) {
	    print pack("Nn", $total, length($tran));
	    print $tran;

	    #if ($tran < 60) {
		#printf STDERR ("0x%x %s\n", $total, $tran);
	    #}
	}
    }
}
