diff options
Diffstat (limited to 'library/Smarty/libs/sysplugins/smarty_cacheresource.php')
| -rw-r--r-- | library/Smarty/libs/sysplugins/smarty_cacheresource.php | 223 |
1 files changed, 0 insertions, 223 deletions
diff --git a/library/Smarty/libs/sysplugins/smarty_cacheresource.php b/library/Smarty/libs/sysplugins/smarty_cacheresource.php deleted file mode 100644 index 14ab62fd9..000000000 --- a/library/Smarty/libs/sysplugins/smarty_cacheresource.php +++ /dev/null @@ -1,223 +0,0 @@ -<?php -/** - * Smarty Internal Plugin - * - * @package Smarty - * @subpackage Cacher - */ - -/** - * Cache Handler API - * - * @package Smarty - * @subpackage Cacher - * @author Rodney Rehm - */ -abstract class Smarty_CacheResource -{ - /** - * resource types provided by the core - * - * @var array - */ - protected static $sysplugins = array('file' => 'smarty_internal_cacheresource_file.php',); - - /** - * populate Cached Object with meta data from Resource - * - * @param Smarty_Template_Cached $cached cached object - * @param Smarty_Internal_Template $_template template object - * - * @return void - */ - abstract public function populate(Smarty_Template_Cached $cached, Smarty_Internal_Template $_template); - - /** - * populate Cached Object with timestamp and exists from Resource - * - * @param Smarty_Template_Cached $cached - * - * @return void - */ - abstract public function populateTimestamp(Smarty_Template_Cached $cached); - - /** - * Read the cached template and process header - * - * @param Smarty_Internal_Template $_template template object - * @param Smarty_Template_Cached $cached cached object - * @param bool $update flag if called because cache update - * - * @return bool true or false if the cached content does not exist - */ - abstract public function process(Smarty_Internal_Template $_template, Smarty_Template_Cached $cached = null, $update = false); - - /** - * Write the rendered template output to cache - * - * @param Smarty_Internal_Template $_template template object - * @param string $content content to cache - * - * @return boolean success - */ - abstract public function writeCachedContent(Smarty_Internal_Template $_template, $content); - - /** - * Return cached content - * - * @param Smarty_Internal_Template $_template template object - * - * @return null|string - */ - public function getCachedContent(Smarty_Internal_Template $_template) - { - if ($_template->cached->handler->process($_template)) { - ob_start(); - $unifunc = $_template->cached->unifunc; - $unifunc($_template); - return ob_get_clean(); - } - - return null; - } - - /** - * Empty cache - * - * @param Smarty $smarty Smarty object - * @param integer $exp_time expiration time (number of seconds, not timestamp) - * - * @return integer number of cache files deleted - */ - abstract public function clearAll(Smarty $smarty, $exp_time = null); - - /** - * Empty cache for a specific template - * - * @param Smarty $smarty Smarty object - * @param string $resource_name template name - * @param string $cache_id cache id - * @param string $compile_id compile id - * @param integer $exp_time expiration time (number of seconds, not timestamp) - * - * @return integer number of cache files deleted - */ - abstract public function clear(Smarty $smarty, $resource_name, $cache_id, $compile_id, $exp_time); - - /** - * @param Smarty $smarty - * @param Smarty_Template_Cached $cached - * - * @return bool|null - */ - public function locked(Smarty $smarty, Smarty_Template_Cached $cached) - { - // theoretically locking_timeout should be checked against time_limit (max_execution_time) - $start = microtime(true); - $hadLock = null; - while ($this->hasLock($smarty, $cached)) { - $hadLock = true; - if (microtime(true) - $start > $smarty->locking_timeout) { - // abort waiting for lock release - return false; - } - sleep(1); - } - - return $hadLock; - } - - /** - * Check is cache is locked for this template - * - * @param Smarty $smarty - * @param Smarty_Template_Cached $cached - * - * @return bool - */ - public function hasLock(Smarty $smarty, Smarty_Template_Cached $cached) - { - // check if lock exists - return false; - } - - /** - * Lock cache for this template - * - * @param Smarty $smarty - * @param Smarty_Template_Cached $cached - * - * @return bool - */ - public function acquireLock(Smarty $smarty, Smarty_Template_Cached $cached) - { - // create lock - return true; - } - - /** - * Unlock cache for this template - * - * @param Smarty $smarty - * @param Smarty_Template_Cached $cached - * - * @return bool - */ - public function releaseLock(Smarty $smarty, Smarty_Template_Cached $cached) - { - // release lock - return true; - } - - /** - * Load Cache Resource Handler - * - * @param Smarty $smarty Smarty object - * @param string $type name of the cache resource - * - * @throws SmartyException - * @return Smarty_CacheResource Cache Resource Handler - */ - public static function load(Smarty $smarty, $type = null) - { - if (!isset($type)) { - $type = $smarty->caching_type; - } - - // try smarty's cache - if (isset($smarty->_cache['cacheresource_handlers'][$type])) { - return $smarty->_cache['cacheresource_handlers'][$type]; - } - - // try registered resource - if (isset($smarty->registered_cache_resources[$type])) { - // do not cache these instances as they may vary from instance to instance - return $smarty->_cache['cacheresource_handlers'][$type] = $smarty->registered_cache_resources[$type]; - } - // try sysplugins dir - if (isset(self::$sysplugins[$type])) { - $cache_resource_class = 'Smarty_Internal_CacheResource_' . ucfirst($type); - return $smarty->_cache['cacheresource_handlers'][$type] = new $cache_resource_class(); - } - // try plugins dir - $cache_resource_class = 'Smarty_CacheResource_' . ucfirst($type); - if ($smarty->loadPlugin($cache_resource_class)) { - return $smarty->_cache['cacheresource_handlers'][$type] = new $cache_resource_class(); - } - // give up - throw new SmartyException("Unable to load cache resource '{$type}'"); - } - - /** - * Invalid Loaded Cache Files - * - * @param Smarty $smarty Smarty object - */ - public function invalidLoadedCache(Smarty $smarty) - { - $smarty->_cache['isCached'] = array(); - if (isset($smarty->ext->_subtemplate)) { - $smarty->ext->_subtemplate->tplObjects = array(); - } - } -} |