Script to export Roundcube (PHP) localization files to gettext .po(t) format

bin/exportgettext.sh

@@ -0,0 +1,197 @@
+#!/usr/bin/env php
+<?php
+/*
+
+ +-----------------------------------------------------------------------+
+ | bin/exportgettext.sh                                                  |
+ |                                                                       |
+ | This file is part of the Roundcube Webmail client                     |
+ | Copyright (C) 2011, The Roundcube Dev Team                            |
+ | Licensed under the GNU GPLv3                                          |
+ |                                                                       |
+ | PURPOSE:                                                              |
+ |   Export PHP-based localization files to PO files for gettext         |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com>                        |
+ +-----------------------------------------------------------------------+
+
+ $Id$
+
+*/
+
+define('INSTALL_PATH', realpath(dirname(__FILE__) . '/..') . '/' );
+require INSTALL_PATH.'program/include/clisetup.php';
+
+if ($argc < 2) {
+	die("Usage: " . basename($argv[0]) . " SRCDIR DESTDIR\n");
+}
+
+$srcdir = unslashify(realpath($argv[1]));
+$destdir = slashify($argv[2]);
+$layout = 'launchpad'  # or 'narro';
+
+
+// converting roundcube localization dir
+if (is_dir($srcdir.'/en_US')) {
+	load_en_US($srcdir.'/en_US');
+	
+	foreach (glob($srcdir.'/*') as $locdir) {
+		if (is_dir($locdir)) {
+			$lang = basename($locdir);
+			//echo "$locdir => $destdir$lang\n";
+			convert_dir($locdir, $destdir . ($layout != 'launchpad' ? $lang : ''));
+		}
+	}
+}
+// converting plugin localization
+else if (is_dir($srcdir)) {
+	load_en_US($srcdir.'/en_US.inc');
+	convert_dir($srcdir, $destdir);
+}
+// converting a single file
+else if (is_file($srcdir)) {
+	//load_en_US();
+	convert_file($srcdir, $destdir);
+}
+
+
+/**
+ * Load en_US localization which is used to build msgids
+ */
+function load_en_US($fn)
+{
+	$texts = array();
+	
+	if (is_dir($fn)) {
+		foreach (glob($fn.'/*.inc') as $ifn) {
+			include($ifn);
+			$texts = array_merge($texts, (array)$labels, (array)$messages);
+		}
+	}
+	else if (is_file($fn)) {
+		include($fn);
+		$texts = array_merge($texts, (array)$labels);
+	}
+	
+	$GLOBALS['en_US'] = $texts;
+}
+
+/**
+ * Convert all .inc files in the given src directory
+ */
+function convert_dir($indir, $outdir)
+{
+	global $layout;
+	
+	$outdir = unslashify($outdir);
+	if (!is_dir($outdir))  // attempt to create destination dir
+		mkdir($outdir, 0777, true);
+
+	foreach (glob($indir.'/*.inc') as $fn) {
+		$filename = basename($fn);
+
+		// create subdir for each template (launchpad rules)
+		if ($layout == 'launchpad' && preg_match('/^(labels|messages)/', $filename, $m)) {
+			$lang = end(explode('/', $indir));
+			$destdir = $outdir . '/' . $m[1];
+			if (!is_dir($destdir))
+				mkdir($destdir, 0777, true);
+			$outfn = $destdir . '/' . $lang . '.po';
+		}
+		else {
+			$outfn = $outdir . '/' . preg_replace('/\.[a-z0-9]+$/i', '', basename($fn)) . '.po';
+		}
+
+		convert_file($fn, $outfn);
+	}
+}
+
+/**
+ * Convert the given Roundcube localization file into a gettext .po file
+ */
+function convert_file($fn, $outfn)
+{
+	global $layout;
+
+	$basename =  basename($fn);
+	$srcname = str_replace(INSTALL_PATH, '', $fn);
+	$lang = preg_match('!/([a-z]{2}(_[A-Z]{2})?)[./]!', $outfn, $m) ? $m[1] : '';
+	$labels = $messages = $seen = array();
+
+	if (is_dir($outfn))
+		$outfn .= '/' . $basename . '.po';
+
+	// launchpad requires the template file to have the same name as the directory
+	if (strstr($outfn, '/en_US') && $layout == 'launchpad') {
+		$a = explode('/', $outfn);
+		array_pop($a);
+		$templ = end($a);
+		$a[] = $templ . '.pot';
+		$outfn = join('/', $a);
+		$is_pot = true;
+	}
+	// launchpad is very picky about file names
+	else if ($layout == 'launchpad' && preg_match($regex = '!/([a-z]{2})_([A-Z]{2})!', $outfn, $m) && $m[1] == strtolower($m[2])) {
+		$outfn = preg_replace($regex, '/\1', $outfn);
+	}
+
+	include($fn);
+	$texts = $labels ? $labels : $messages;
+	
+	// write header
+	$header = <<<EOF
+# Converted from Roundcube PHP localization files
+# Copyright (C) 2011 The Roundcube Dev Team
+# This file is distributed under the same license as the Roundcube package.
+#
+#: %s
+msgid ""
+msgstr ""
+"Project-Id-Version: roundcubemail\\n"
+"Report-Msgid-Bugs-To: \\n"
+"POT-Creation-Date: %s\\n"
+"PO-Revision-Date: %s\\n"
+"Last-Translator: \\n"
+"Language-Team: Translations <hello@roundcube.net>\\n"
+"Language: %s\\n"
+"Content-Type: text/plain; charset=UTF-8\\n"
+"Content-Transfer-Encoding: 8bit\\n"
+EOF;
+	
+	$out = sprintf($header, $srcname, date('c'), date('c'), $lang);
+	$out .= "\n";
+	
+	$messages = array();
+	foreach ((array)$texts as $label => $msgstr) {
+		$msgid = $GLOBALS['en_US'][$label] ?: $label;
+		$messages[$msgid][] = $label;
+	}
+	
+	foreach ($messages as $msgid => $labels) {
+		$out .= "\n";
+		foreach ($labels as $label)
+			$out .= "#: $srcname:$label\n";
+		$msgstr = $texts[$label];
+		$out .= 'msgid ' . gettext_quote($msgid) . "\n";
+		$out .= 'msgstr ' . gettext_quote(!$is_pot ? $msgstr : '') . "\n";
+	}
+
+	if ($outfn == '-')
+		echo $out;
+	else {
+		echo "$fn\t=>\t$outfn\n";
+		file_put_contents($outfn, $out);
+	}
+}
+
+function gettext_quote($str)
+{
+	$out = "";
+	$lines = explode("\n", $str);
+	$suffix = count($lines) > 1 ? '\n' : '';
+	foreach ($lines as $line)
+		$out .= '"' . addcslashes($line, '"') . $suffix . "\"\n";
+	return rtrim($out);
+}
+
+?>