i18n-scan.pl

#!/usr/bin/perl

use strict;
use warnings;
use Text::Balanced qw(extract_bracketed extract_delimited extract_tagged);

@ARGV >= 1 || die "Usage: $0 <source directory>\n";


my %stringtable;

sub dec_lua_str
{
	my $s = shift;
	$s =~ s/[\s\n]+/ /g;
	$s =~ s/\\n/\n/g;
	$s =~ s/\\t/\t/g;
	$s =~ s/\\(.)/$1/g;
	$s =~ s/^ //;
	$s =~ s/ $//;
	return $s;
}

sub dec_tpl_str
{
	my $s = shift;
	$s =~ s/-$//;
	$s =~ s/[\s\n]+/ /g;
	$s =~ s/^ //;
	$s =~ s/ $//;
	$s =~ s/\\/\\\\/g;
	return $s;
}


if( open F, "find @ARGV -type f '(' -name '*.html' -o -name '*.lua' ')' |" )
{
	while( defined( my $file = readline F ) )
	{
		chomp $file;

		if( open S, "< $file" )
		{
			local $/ = undef;
			my $raw = <S>;
			close S;


			my $text = $raw;

			while( $text =~ s/ ^ .*? (?:translate|translatef|_) [\n\s]* \( /(/sgx )
			{
				( my $code, $text ) = extract_bracketed($text, q{('")});

				$code =~ s/\\\n/ /g;
				$code =~ s/^\([\n\s]*//;
				$code =~ s/[\n\s]*\)$//;

				my $res = "";
				my $sub = "";

				if( $code =~ /^['"]/ )
				{
					while( defined $sub )
					{
						( $sub, $code ) = extract_delimited($code, q{'"}, q{\s*(?:\.\.\s*)?});

						if( defined $sub && length($sub) > 2 )
						{
							$res .= substr $sub, 1, length($sub) - 2;