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import v1.0.0-RC4 | 2009-05-20

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libs/Zend/Translate/Adapter/Gettext.php Normal file
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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Translate
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @version $Id: Date.php 2498 2006-12-23 22:13:38Z thomas $
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
/** Zend_Locale */
require_once 'Zend/Locale.php';
/** Zend_Translate_Adapter */
require_once 'Zend/Translate/Adapter.php';
/**
* @category Zend
* @package Zend_Translate
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Translate_Adapter_Gettext extends Zend_Translate_Adapter {
// Internal variables
private $_bigEndian = false;
private $_file = false;
private $_adapterInfo = array();
/**
* Generates the adapter
*
* @param string $data Translation data
* @param string|Zend_Locale $locale OPTIONAL Locale/Language to set, identical with locale identifier,
* see Zend_Locale for more information
* @param array $options OPTIONAL Options to set
*/
public function __construct($data, $locale = null, array $options = array())
{
parent::__construct($data, $locale, $options);
}
/**
* Read values from the MO file
*
* @param string $bytes
*/
private function _readMOData($bytes)
{
if ($this->_bigEndian === false) {
return unpack('V' . $bytes, fread($this->_file, 4 * $bytes));
} else {
return unpack('N' . $bytes, fread($this->_file, 4 * $bytes));
}
}
/**
* Load translation data (MO file reader)
*
* @param string $filename MO file to add, full path must be given for access
* @param string $locale New Locale/Language to set, identical with locale identifier,
* see Zend_Locale for more information
* @param array $option OPTIONAL Options to use
* @throws Zend_Translation_Exception
*/
protected function _loadTranslationData($filename, $locale, array $options = array())
{
$this->_bigEndian = false;
$options = $options + $this->_options;
if ($options['clear'] || !isset($this->_translate[$locale])) {
$this->_translate[$locale] = array();
}
$this->_file = @fopen($filename, 'rb');
if (!$this->_file) {
require_once 'Zend/Translate/Exception.php';
throw new Zend_Translate_Exception('Error opening translation file \'' . $filename . '\'.');
}
if (@filesize($filename) < 10) {
require_once 'Zend/Translate/Exception.php';
throw new Zend_Translate_Exception('\'' . $filename . '\' is not a gettext file');
}
// get Endian
$input = $this->_readMOData(1);
if (strtolower(substr(dechex($input[1]), -8)) == "950412de") {
$this->_bigEndian = false;
} else if (strtolower(substr(dechex($input[1]), -8)) == "de120495") {
$this->_bigEndian = true;
} else {
require_once 'Zend/Translate/Exception.php';
throw new Zend_Translate_Exception('\'' . $filename . '\' is not a gettext file');
}
// read revision - not supported for now
$input = $this->_readMOData(1);
// number of bytes
$input = $this->_readMOData(1);
$total = $input[1];
// number of original strings
$input = $this->_readMOData(1);
$OOffset = $input[1];
// number of translation strings
$input = $this->_readMOData(1);
$TOffset = $input[1];
// fill the original table
fseek($this->_file, $OOffset);
$origtemp = $this->_readMOData(2 * $total);
fseek($this->_file, $TOffset);
$transtemp = $this->_readMOData(2 * $total);
for($count = 0; $count < $total; ++$count) {
if ($origtemp[$count * 2 + 1] != 0) {
fseek($this->_file, $origtemp[$count * 2 + 2]);
$original = @fread($this->_file, $origtemp[$count * 2 + 1]);
} else {
$original = '';
}
if ($transtemp[$count * 2 + 1] != 0) {
fseek($this->_file, $transtemp[$count * 2 + 2]);
$this->_translate[$locale][$original] = fread($this->_file, $transtemp[$count * 2 + 1]);
}
}
$this->_translate[$locale][''] = trim($this->_translate[$locale]['']);
if (empty($this->_translate[$locale][''])) {
$this->_adapterInfo[$filename] = 'No adapter information available';
} else {
$this->_adapterInfo[$filename] = $this->_translate[$locale][''];
}
unset($this->_translate[$locale]['']);
}
/**
* Returns the adapter informations
*
* @return array Each loaded adapter information as array value
*/
public function getAdapterInfo()
{
return $this->_adapterInfo;
}
/**
* Returns the adapter name
*
* @return string
*/
public function toString()
{
return "Gettext";
}
}