Файл: library/Zend/Filter/Compress/Lzf.php
Строк: 123
<?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_Filter
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Lzf.php 20096 2010-01-06 02:05:09Z bkarwin $
*/
/**
* @see Zend_Filter_Compress_CompressInterface
*/
require_once 'Zend/Filter/Compress/CompressInterface.php';
/**
* Compression adapter for Lzf
*
* @category Zend
* @package Zend_Filter
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Filter_Compress_Lzf implements Zend_Filter_Compress_CompressInterface
{
/**
* Class constructor
*/
public function __construct()
{
if (!extension_loaded('lzf')) {
require_once 'Zend/Filter/Exception.php';
throw new Zend_Filter_Exception('This filter needs the lzf extension');
}
}
/**
* Compresses the given content
*
* @param string $content
* @return string
*/
public function compress($content)
{
$compressed = lzf_compress($content);
if (!$compressed) {
require_once 'Zend/Filter/Exception.php';
throw new Zend_Filter_Exception('Error during compression');
}
return $compressed;
}
/**
* Decompresses the given content
*
* @param string $content
* @return string
*/
public function decompress($content)
{
$compressed = lzf_decompress($content);
if (!$compressed) {
require_once 'Zend/Filter/Exception.php';
throw new Zend_Filter_Exception('Error during compression');
}
return $compressed;
}
/**
* Returns the adapter name
*
* @return string
*/
public function toString()
{
return 'Lzf';
}
}