[+] Classes: Add Xcache support

admin-dev/tabs/AdminPerformance.php

@@ -46,6 +46,8 @@ class AdminPerformance extends AdminTab
 					$this->_errors[] = Tools::displayError('To use Memcached, you must install the Memcache PECL extension on your server.').' <a href="http://www.php.net/manual/en/memcache.installation.php">http://www.php.net/manual/en/memcache.installation.php</a>';
 				else if ($cache_active && $caching_system == 'CacheApc' && !extension_loaded('apc'))
 					$this->_errors[] = Tools::displayError('To use APC cache, you must install the APC PECL extension on your server.').' <a href="http://fr.php.net/manual/fr/apc.installation.php">http://fr.php.net/manual/fr/apc.installation.php</a>';
+				else if ($cache_active && $caching_system == 'CacheXcache' && !extension_loaded('xcache'))
+					$this->_errors[] = Tools::displayError('To use Xcache, you must install the Xcache extension on your server.').' <a href="http://xcache.lighttpd.net">http://xcache.lighttpd.net</a>';
 				else if ($cache_active && $caching_system == 'CacheFs' && !is_writable(_PS_CACHEFS_DIRECTORY_))
 					$this->_errors[] = Tools::displayError('To use CacheFS the directory').' '.realpath(_PS_CACHEFS_DIRECTORY_).' '.Tools::displayError('must be writable');
 
@@ -224,6 +226,9 @@ class AdminPerformance extends AdminTab
 			$warnings[] = $this->l('To use Memcached, you must install the Memcache PECL extension on your server.').' <a href="http://www.php.net/manual/en/memcache.installation.php">http://www.php.net/manual/en/memcache.installation.php</a>';
 		if (!extension_loaded('apc'))
 			$warnings[] = $this->l('To use APC, you must install the APC PECL extension on your server.').' <a href="http://fr.php.net/manual/fr/apc.installation.php">http://fr.php.net/manual/fr/apc.installation.php</a>';
+		if (!extension_loaded('xcache'))
+			$warnings[] = $this->l('To use Xcache, you must install the Xcache extension on your server.').' <a href="http://xcache.lighttpd.net">http://xcache.lighttpd.net</a>';
+
 		if (!is_writable(_PS_CACHEFS_DIRECTORY_))
 			$warnings[] = $this->l('To use CacheFS the directory').' '.realpath(_PS_CACHEFS_DIRECTORY_).' '.$this->l('must be writable');
 
@@ -447,6 +452,7 @@ class AdminPerformance extends AdminTab
 						<select name="caching_system" id="caching_system">
 							<option value="CacheMemcache" '.(_PS_CACHING_SYSTEM_ == 'CacheMemcache' ? 'selected="selected"' : '' ).'>'.$this->l('Memcached').'</option>
 							<option value="CacheApc" '.(_PS_CACHING_SYSTEM_ == 'CacheApc' ? 'selected="selected"' : '' ).'>'.$this->l('APC').'</option>
+							<option value="CacheXcache" '.(_PS_CACHING_SYSTEM_ == 'CacheXcache' ? 'selected="selected"' : '' ).'>'.$this->l('Xcache').'</option>
 							<option value="CacheFs" '.(_PS_CACHING_SYSTEM_ == 'CacheFs' ? 'selected="selected"' : '' ).'>'.$this->l('File System').'</option>
 						</select>
 					</div>

cache/class_index.php

@@ -240,6 +240,8 @@
   'CacheFs' => 'override/classes/cache/CacheFs.php',
   'CacheMemcacheCore' => 'classes/cache/CacheMemcache.php',
   'CacheMemcache' => 'override/classes/cache/CacheMemcache.php',
+  'CacheXcacheCore' => 'classes/cache/CacheXcache.php',
+  'CacheXcache' => 'override/classes/cache/CacheXcache.php',
   'DbCore' => 'classes/db/Db.php',
   'Db' => 'override/classes/db/Db.php',
   'DbMySQLiCore' => 'classes/db/DbMySQLi.php',

classes/cache/CacheXcache.php

@@ -0,0 +1,90 @@
+<?php
+/*
+* 2007-2011 PrestaShop
+*
+* NOTICE OF LICENSE
+*
+* This source file is subject to the Open Software License (OSL 3.0)
+* that is bundled with this package in the file LICENSE.txt.
+* It is also available through the world-wide-web at this URL:
+* http://opensource.org/licenses/osl-3.0.php
+* 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@prestashop.com so we can send you a copy immediately.
+*
+* DISCLAIMER
+*
+* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
+* versions in the future. If you wish to customize PrestaShop for your
+* needs please refer to http://www.prestashop.com for more information.
+*
+*  @author PrestaShop SA <contact@prestashop.com>
+*  @copyright  2007-2011 PrestaShop SA
+*  @version  Release: $Revision$
+*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
+*  International Registered Trademark & Property of PrestaShop SA
+*/
+
+/**
+ * This class require Xcache extension
+ *
+ * @since 1.5.0
+ */
+class CacheXcacheCore extends Cache
+{
+	public function __construct()
+	{
+		$this->keys = xcache_get(self::KEYS_NAME);
+		if (!is_array($this->keys))
+			$this->keys = array();
+	}
+
+	/**
+	 * @see Cache::_set()
+	 */
+	protected function _set($key, $value, $ttl = 0)
+	{
+		return xcache_set($key, $value, $ttl);
+	}
+
+	/**
+	 * @see Cache::_get()
+	 */
+	protected function _get($key)
+	{
+		return xcache_isset($key) ? xcache_get($key) : false;
+	}
+
+	/**
+	 * @see Cache::_exists()
+	 */
+	protected function _exists($key)
+	{
+		return xcache_isset($key);
+	}
+
+	/**
+	 * @see Cache::_delete()
+	 */
+	protected function _delete($key)
+	{
+		return xcache_unset($key);
+	}
+
+	/**
+	 * @see Cache::_writeKeys()
+	 */
+	protected function _writeKeys()
+	{
+		xcache_set(self::KEYS_NAME, $this->keys);
+	}
+
+	/**
+	 * @see Cache::flush()
+	 */
+	public function flush()
+	{
+		$this->delete('*');
+		return true;
+	}
+}

override/classes/cache/CacheXcache.php

@@ -0,0 +1,7 @@
+<?php
+
+class CacheXcache extends CacheXcacheCore
+{
+
+}
+