diff options
| author | wei <> | 2006-01-06 04:42:44 +0000 |
|---|---|---|
| committer | wei <> | 2006-01-06 04:42:44 +0000 |
| commit | 4835704a04cf5aa5ec71a8aef902d54b9c6cae82 (patch) | |
| tree | 39623c082a78db1b3569a12ab54aa751d376af21 /framework/I18N/core/Gettext/MO.php | |
| parent | 673d5c08a4d27906864659def27c7783fe45c04f (diff) | |
Adding I18N support.
Diffstat (limited to 'framework/I18N/core/Gettext/MO.php')
| -rw-r--r-- | framework/I18N/core/Gettext/MO.php | 355 |
1 files changed, 355 insertions, 0 deletions
diff --git a/framework/I18N/core/Gettext/MO.php b/framework/I18N/core/Gettext/MO.php new file mode 100644 index 00000000..f3be1a30 --- /dev/null +++ b/framework/I18N/core/Gettext/MO.php @@ -0,0 +1,355 @@ +<?php
+/**
+ * TGettext_MO 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: 1.3 $ $Date: 2005/08/27 03:21:12 $
+ * @package System.I18N.core
+ */
+
+
+// +----------------------------------------------------------------------+
+// | PEAR :: File :: Gettext :: MO |
+// +----------------------------------------------------------------------+
+// | 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: MO.php,v 1.3 2005/08/27 03:21:12 weizhuo Exp $
+
+/**
+ * File::Gettext::MO
+ *
+ * @author Michael Wallner <mike@php.net>
+ * @license PHP License
+ */
+
+require_once dirname(__FILE__).'/TGettext.php';
+
+/**
+ * File_Gettext_MO
+ *
+ * GNU MO file reader and writer.
+ *
+ * @author Michael Wallner <mike@php.net>
+ * @version $Revision: 1.3 $
+ * @access public
+ * @package System.I18N.core
+ */
+class TGettext_MO extends TGettext
+{
+ /**
+ * file handle
+ *
+ * @access private
+ * @var resource
+ */
+ protected $_handle = null;
+
+ /**
+ * big endianess
+ *
+ * Whether to write with big endian byte order.
+ *
+ * @access public
+ * @var bool
+ */
+ protected $writeBigEndian = false;
+
+ /**
+ * Constructor
+ *
+ * @access public
+ * @return object File_Gettext_MO
+ * @param string $file path to GNU MO file
+ */
+ function TGettext_MO($file = '')
+ {
+ $this->file = $file;
+ }
+
+ /**
+ * _read
+ *
+ * @access private
+ * @return mixed
+ * @param int $bytes
+ */
+ function _read($bytes = 1)
+ {
+ if (0 < $bytes = abs($bytes)) {
+ return fread($this->_handle, $bytes);
+ }
+ return null;
+ }
+
+ /**
+ * _readInt
+ *
+ * @access private
+ * @return int
+ * @param bool $bigendian
+ */
+ function _readInt($bigendian = false)
+ {
+ //unpack returns a reference????
+ $unpacked = unpack($bigendian ? 'N' : 'V', $this->_read(4));
+ return array_shift($unpacked);
+ }
+
+ /**
+ * _writeInt
+ *
+ * @access private
+ * @return int
+ * @param int $int
+ */
+ function _writeInt($int)
+ {
+ return $this->_write(pack($this->writeBigEndian ? 'N' : 'V', (int) $int));
+ }
+
+ /**
+ * _write
+ *
+ * @access private
+ * @return int
+ * @param string $data
+ */
+ function _write($data)
+ {
+ return fwrite($this->_handle, $data);
+ }
+
+ /**
+ * _writeStr
+ *
+ * @access private
+ * @return int
+ * @param string $string
+ */
+ function _writeStr($string)
+ {
+ return $this->_write($string . "\0");
+ }
+
+ /**
+ * _readStr
+ *
+ * @access private
+ * @return string
+ * @param array $params associative array with offset and length
+ * of the string
+ */
+ function _readStr($params)
+ {
+ fseek($this->_handle, $params['offset']);
+ return $this->_read($params['length']);
+ }
+
+ /**
+ * Load MO 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 = $this->file;
+ }
+
+ // open MO file
+ if (!is_resource($this->_handle = @fopen($file, 'rb'))) {
+ return false;
+ }
+ // lock MO file shared
+ if (!@flock($this->_handle, LOCK_SH)) {
+ @fclose($this->_handle);
+ return false;
+ }
+
+ // read (part of) magic number from MO file header and define endianess
+
+ //unpack returns a reference????
+ $unpacked = unpack('c', $this->_read(4));
+ switch ($magic = array_shift($unpacked))
+ {
+ case -34:
+ $be = false;
+ break;
+
+ case -107:
+ $be = true;
+ break;
+
+ default:
+ return false;
+ }
+
+ // check file format revision - we currently only support 0
+ if (0 !== ($_rev = $this->_readInt($be))) {
+ return false;
+ }
+
+ // count of strings in this file
+ $count = $this->_readInt($be);
+
+ // offset of hashing table of the msgids
+ $offset_original = $this->_readInt($be);
+ // offset of hashing table of the msgstrs
+ $offset_translat = $this->_readInt($be);
+
+ // move to msgid hash table
+ fseek($this->_handle, $offset_original);
+ // read lengths and offsets of msgids
+ $original = array();
+ for ($i = 0; $i < $count; $i++) {
+ $original[$i] = array(
+ 'length' => $this->_readInt($be),
+ 'offset' => $this->_readInt($be)
+ );
+ }
+
+ // move to msgstr hash table
+ fseek($this->_handle, $offset_translat);
+ // read lengths and offsets of msgstrs
+ $translat = array();
+ for ($i = 0; $i < $count; $i++) {
+ $translat[$i] = array(
+ 'length' => $this->_readInt($be),
+ 'offset' => $this->_readInt($be)
+ );
+ }
+
+ // read all
+ for ($i = 0; $i < $count; $i++) {
+ $this->strings[$this->_readStr($original[$i])] =
+ $this->_readStr($translat[$i]);
+ }
+
+ // done
+ @flock($this->_handle, LOCK_UN);
+ @fclose($this->_handle);
+ $this->_handle = null;
+
+ // check for meta info
+ if (isset($this->strings[''])) {
+ $this->meta = parent::meta2array($this->strings['']);
+ unset($this->strings['']);
+ }
+
+ return true;
+ }
+
+ /**
+ * Save MO 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 = $this->file;
+ }
+
+ // open MO file
+ if (!is_resource($this->_handle = @fopen($file, 'wb'))) {
+ return false;
+ }
+ // lock MO file exclusively
+ if (!@flock($this->_handle, LOCK_EX)) {
+ @fclose($this->_handle);
+ return false;
+ }
+
+ // write magic number
+ if ($this->writeBigEndian) {
+ $this->_write(pack('c*', 0x95, 0x04, 0x12, 0xde));
+ } else {
+ $this->_write(pack('c*', 0xde, 0x12, 0x04, 0x95));
+ }
+
+ // write file format revision
+ $this->_writeInt(0);
+
+ $count = count($this->strings) + ($meta = (count($this->meta) ? 1 : 0));
+ // write count of strings
+ $this->_writeInt($count);
+
+ $offset = 28;
+ // write offset of orig. strings hash table
+ $this->_writeInt($offset);
+
+ $offset += ($count * 8);
+ // write offset transl. strings hash table
+ $this->_writeInt($offset);
+
+ // write size of hash table (we currently ommit the hash table)
+ $this->_writeInt(0);
+
+ $offset += ($count * 8);
+ // write offset of hash table
+ $this->_writeInt($offset);
+
+ // unshift meta info
+ if ($this->meta) {
+ $meta = '';
+ foreach ($this->meta as $key => $val) {
+ $meta .= $key . ': ' . $val . "\n";
+ }
+ $strings = array('' => $meta) + $this->strings;
+ } else {
+ $strings = $this->strings;
+ }
+
+ // write offsets for original strings
+ foreach (array_keys($strings) as $o) {
+ $len = strlen($o);
+ $this->_writeInt($len);
+ $this->_writeInt($offset);
+ $offset += $len + 1;
+ }
+
+ // write offsets for translated strings
+ foreach ($strings as $t) {
+ $len = strlen($t);
+ $this->_writeInt($len);
+ $this->_writeInt($offset);
+ $offset += $len + 1;
+ }
+
+ // write original strings
+ foreach (array_keys($strings) as $o) {
+ $this->_writeStr($o);
+ }
+
+ // write translated strings
+ foreach ($strings as $t) {
+ $this->_writeStr($t);
+ }
+
+ // done
+ @flock($this->_handle, LOCK_UN);
+ @fclose($this->_handle);
+ return true;
+ }
+}
+?>
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