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<?php
/**
* TGettext_PO class file.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the BSD License.
*
* Copyright(c) 2004 by Qiang Xue. All rights reserved.
*
* To contact the author write to {@link mailto:qiang.xue@gmail.com Qiang Xue}
* The latest version of PRADO can be obtained from:
* {@link http://prado.sourceforge.net/}
*
* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
* @version $Revision: 1.2 $ $Date: 2005/01/05 03:15:14 $
* @package System.I18N.core
*/
// +----------------------------------------------------------------------+
// | PEAR :: File :: Gettext :: PO |
// +----------------------------------------------------------------------+
// | This source file is subject to version 3.0 of the PHP license, |
// | that is available at http://www.php.net/license/3_0.txt |
// | If you did not receive a copy of the PHP license and are unable |
// | to obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Copyright (c) 2004 Michael Wallner <mike@iworks.at> |
// +----------------------------------------------------------------------+
//
// $Id$
/**
* File::Gettext::PO
*
* @author Michael Wallner <mike@php.net>
* @license PHP License
*/
require_once dirname(__FILE__).'/TGettext.php';
/**
* File_Gettext_PO
*
* GNU PO file reader and writer.
*
* @author Michael Wallner <mike@php.net>
* @version $Revision: 1.2 $
* @access public
* @package System.I18N.core
*/
class TGettext_PO extends TGettext
{
/**
* Constructor
*
* @access public
* @return object File_Gettext_PO
* @param string path to GNU PO file
*/
function TGettext_PO($file = '')
{
$this->file = $file;
}
/**
* Load PO file
*
* @access public
* @return mixed Returns true on success or PEAR_Error on failure.
* @param string $file
*/
function load($file = null)
{
if (!isset($file)) {
$file = $this->file;
}
// load file
if (!$contents = @file($file)) {
return false;
}
$contents = implode('', $contents);
// match all msgid/msgstr entries
$matched = preg_match_all(
'/(msgid\s+("([^"]|\\\\")*?"\s*)+)\s+' .
'(msgstr\s+("([^"]|\\\\")*?"\s*)+)/',
$contents, $matches
);
unset($contents);
if (!$matched) {
return false;
}
// get all msgids and msgtrs
for ($i = 0; $i < $matched; $i++) {
$msgid = preg_replace(
'/\s*msgid\s*"(.*)"\s*/s', '\\1', $matches[1][$i]);
$msgstr= preg_replace(
'/\s*msgstr\s*"(.*)"\s*/s', '\\1', $matches[4][$i]);
$this->strings[parent::prepare($msgid)] = parent::prepare($msgstr);
}
// check for meta info
if (isset($this->strings[''])) {
$this->meta = parent::meta2array($this->strings['']);
unset($this->strings['']);
}
return true;
}
/**
* Save PO file
*
* @access public
* @return mixed Returns true on success or PEAR_Error on failure.
* @param string $file
*/
function save($file = null)
{
if (!isset($file)) {
$file = $this->file;
}
// open PO file
if (!is_resource($fh = @fopen($file, 'w'))) {
return false;
}
// lock PO file exclusively
if (!flock($fh, LOCK_EX)) {
fclose($fh);
return false;
}
// write meta info
if (count($this->meta)) {
$meta = 'msgid ""' . "\nmsgstr " . '""' . "\n";
foreach ($this->meta as $k => $v) {
$meta .= '"' . $k . ': ' . $v . '\n"' . "\n";
}
fwrite($fh, $meta . "\n");
}
// write strings
foreach ($this->strings as $o => $t) {
fwrite($fh,
'msgid "' . parent::prepare($o, true) . '"' . "\n" .
'msgstr "' . parent::prepare($t, true) . '"' . "\n\n"
);
}
//done
@flock($fh, LOCK_UN);
@fclose($fh);
chmod($file,PRADO_CHMOD);
return true;
}
}
?>
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