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103 lines
3.4 KiB
PHP
103 lines
3.4 KiB
PHP
<?php
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/**
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* Project: Smarty: the PHP compiling template engine
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* File: smarty_internal_cache.php
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* SVN: $Id: $
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* For questions, help, comments, discussion, etc., please join the
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* Smarty mailing list. Send a blank e-mail to
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* smarty-discussion-subscribe@googlegroups.com
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*
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* @link http://www.smarty.net/
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* @copyright 2008 New Digital Group, Inc.
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* @author Monte Ohrt <monte at ohrt dot com>
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* @author Uwe Tews
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* @package Smarty
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* @subpackage PluginsInternal
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* @version 3-SVN$Rev: 3286 $
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*/
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class Smarty_Internal_Cache {
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protected $smarty;
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function __construct($smarty) {
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$this->smarty = $smarty;
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}
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/**
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* Loads cache resource.
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*
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* @return object of cache resource
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*/
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public function loadResource($type = null) {
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if (!isset($type)) {
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$type = $this->smarty->caching_type;
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}
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// already loaded?
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if (isset($this->smarty->cache_resource_objects[$type])) {
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return $this->smarty->cache_resource_objects[$type];
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}
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if (in_array($type, $this->smarty->cache_resource_types)) {
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$cache_resource_class = 'Smarty_Internal_CacheResource_' . ucfirst($type);
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return $this->smarty->cache_resource_objects[$type] = new $cache_resource_class($this->smarty);
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}
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else {
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// try plugins dir
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$cache_resource_class = 'Smarty_CacheResource_' . ucfirst($type);
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if ($this->smarty->loadPlugin($cache_resource_class)) {
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return $this->smarty->cache_resource_objects[$type] = new $cache_resource_class($this->smarty);
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}
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else {
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throw new Exception("Unable to load cache resource '{$type}'");
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}
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}
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}
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/**
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* Empty cache folder
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*
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* @param integer $exp_time expiration time
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* @param string $type resource type
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* @return integer number of cache files deleted
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*/
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function clearAll($exp_time = null, $type = null)
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{
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return $this->loadResource($type)->clearAll($exp_time);
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}
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/**
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* Empty cache for a specific template
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*
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* @param string $template_name template name
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* @param string $cache_id cache id
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* @param string $compile_id compile id
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* @param integer $exp_time expiration time
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* @param string $type resource type
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* @return integer number of cache files deleted
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*/
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function clear($template_name, $cache_id = null, $compile_id = null, $exp_time = null, $type = null)
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{
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// load cache resource
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$cacheResource = $this->loadResource($type);
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return $cacheResource->clear($template_name, $cache_id, $compile_id, $exp_time);
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}
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}
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