<?php
/**
-* Smarty Internal Plugin
-*
-* @package Smarty
-* @subpackage Cacher
-*/
+ * Smarty Internal Plugin
+ *
+ * @package Smarty
+ * @subpackage Cacher
+ */
/**
-* Cache Handler API
-*
-* @package Smarty
-* @subpackage Cacher
-* @author Rodney Rehm
-*/
-abstract class Smarty_CacheResource {
+ * Cache Handler API
+ *
+ * @package Smarty
+ * @subpackage Cacher
+ * @author Rodney Rehm
+ */
+abstract class Smarty_CacheResource
+{
/**
- * cache for Smarty_CacheResource instances
- * @var array
- */
+ * cache for Smarty_CacheResource instances
+ *
+ * @var array
+ */
public static $resources = array();
/**
- * resource types provided by the core
- * @var array
- */
+ * resource types provided by the core
+ *
+ * @var array
+ */
protected static $sysplugins = array(
'file' => true,
);
/**
- * populate Cached Object with meta data from Resource
- *
- * @param Smarty_Template_Cached $cached cached object
- * @param Smarty_Internal_Template $_template template object
- * @return void
- */
- public abstract function populate(Smarty_Template_Cached $cached, Smarty_Internal_Template $_template);
+ * 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 $source cached object
- * @return void
- */
- public abstract function populateTimestamp(Smarty_Template_Cached $cached);
+ * 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
- * @return booelan true or false if the cached content does not exist
- */
- public abstract function process(Smarty_Internal_Template $_template, Smarty_Template_Cached $cached=null);
+ * Read the cached template and process header
+ *
+ * @param Smarty_Internal_Template $_template template object
+ * @param Smarty_Template_Cached $cached cached object
+ *
+ * @return boolean true or false if the cached content does not exist
+ */
+ abstract public function process(Smarty_Internal_Template $_template, Smarty_Template_Cached $cached = null);
/**
- * Write the rendered template output to cache
- *
- * @param Smarty_Internal_Template $_template template object
- * @param string $content content to cache
- * @return boolean success
- */
- public abstract function writeCachedContent(Smarty_Internal_Template $_template, $content);
+ * 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
- * @param string $content content of cache
- */
+ * 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();
$_template->properties['unifunc']($_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
- */
- public abstract function clearAll(Smarty $smarty, $exp_time=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
- */
- public abstract function clear(Smarty $smarty, $resource_name, $cache_id, $compile_id, $exp_time);
-
+ * 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)
}
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
- * @return Smarty_CacheResource Cache Resource Handler
- */
+ * 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)) {
if (isset($smarty->_cacheresource_handlers[$type])) {
return $smarty->_cacheresource_handlers[$type];
}
-
+
// try registered resource
if (isset($smarty->registered_cache_resources[$type])) {
// do not cache these instances as they may vary from instance to instance
$cache_resource_class = 'Smarty_Internal_CacheResource_' . ucfirst($type);
self::$resources[$type] = new $cache_resource_class();
}
+
return $smarty->_cacheresource_handlers[$type] = self::$resources[$type];
}
// try plugins dir
if (!isset(self::$resources[$type])) {
self::$resources[$type] = new $cache_resource_class();
}
+
return $smarty->_cacheresource_handlers[$type] = self::$resources[$type];
}
// give up
}
/**
- * Invalid Loaded Cache Files
- *
- * @param Smarty $smarty Smarty object
- */
+ * Invalid Loaded Cache Files
+ *
+ * @param Smarty $smarty Smarty object
+ */
public static function invalidLoadedCache(Smarty $smarty)
{
foreach ($smarty->template_objects as $tpl) {
}
/**
-* Smarty Resource Data Object
-*
-* Cache Data Container for Template Files
-*
-* @package Smarty
-* @subpackage TemplateResources
-* @author Rodney Rehm
-*/
-class Smarty_Template_Cached {
+ * Smarty Resource Data Object
+ * Cache Data Container for Template Files
+ *
+ * @package Smarty
+ * @subpackage TemplateResources
+ * @author Rodney Rehm
+ */
+class Smarty_Template_Cached
+{
/**
- * Source Filepath
- * @var string
- */
+ * Source Filepath
+ *
+ * @var string
+ */
public $filepath = false;
/**
- * Source Content
- * @var string
- */
+ * Source Content
+ *
+ * @var string
+ */
public $content = null;
/**
- * Source Timestamp
- * @var integer
- */
+ * Source Timestamp
+ *
+ * @var integer
+ */
public $timestamp = false;
/**
- * Source Existance
- * @var boolean
- */
+ * Source Existence
+ *
+ * @var boolean
+ */
public $exists = false;
/**
- * Cache Is Valid
- * @var boolean
- */
+ * Cache Is Valid
+ *
+ * @var boolean
+ */
public $valid = false;
/**
- * Cache was processed
- * @var boolean
- */
+ * Cache was processed
+ *
+ * @var boolean
+ */
public $processed = false;
/**
- * CacheResource Handler
- * @var Smarty_CacheResource
- */
+ * CacheResource Handler
+ *
+ * @var Smarty_CacheResource
+ */
public $handler = null;
/**
- * Template Compile Id (Smarty_Internal_Template::$compile_id)
- * @var string
- */
+ * Template Compile Id (Smarty_Internal_Template::$compile_id)
+ *
+ * @var string
+ */
public $compile_id = null;
/**
- * Template Cache Id (Smarty_Internal_Template::$cache_id)
- * @var string
- */
+ * Template Cache Id (Smarty_Internal_Template::$cache_id)
+ *
+ * @var string
+ */
public $cache_id = null;
/**
- * Id for cache locking
- * @var string
- */
+ * Id for cache locking
+ *
+ * @var string
+ */
public $lock_id = null;
/**
- * flag that cache is locked by this instance
- * @var bool
- */
+ * flag that cache is locked by this instance
+ *
+ * @var bool
+ */
public $is_locked = false;
/**
- * Source Object
- * @var Smarty_Template_Source
- */
+ * Source Object
+ *
+ * @var Smarty_Template_Source
+ */
public $source = null;
/**
- * create Cached Object container
- *
- * @param Smarty_Internal_Template $_template template object
- */
+ * create Cached Object container
+ *
+ * @param Smarty_Internal_Template $_template template object
+ */
public function __construct(Smarty_Internal_Template $_template)
{
$this->compile_id = $_template->compile_id;
//
if (!($_template->caching == Smarty::CACHING_LIFETIME_CURRENT || $_template->caching == Smarty::CACHING_LIFETIME_SAVED) || $_template->source->recompiled) {
$handler->populate($this, $_template);
+
return;
}
while (true) {
if ($smarty->debugging) {
Smarty_Internal_Debug::start_cache($_template);
}
- if($handler->process($_template, $this) === false) {
+ if ($handler->process($_template, $this) === false) {
$this->valid = false;
} else {
$this->processed = true;
}
if (!$this->valid && $_template->smarty->cache_locking) {
$this->handler->acquireLock($_template->smarty, $this);
+
return;
} else {
return;
}
/**
- * Write this cache object to handler
- *
- * @param Smarty_Internal_Template $_template template object
- * @param string $content content to cache
- * @return boolean success
- */
+ * Write this cache object to handler
+ *
+ * @param Smarty_Internal_Template $_template template object
+ * @param string $content content to cache
+ *
+ * @return boolean success
+ */
public function write(Smarty_Internal_Template $_template, $content)
{
if (!$_template->source->recompiled) {
if ($this->handler->writeCachedContent($_template, $content)) {
+ $this->content = null;
$this->timestamp = time();
$this->exists = true;
$this->valid = true;
if ($_template->smarty->cache_locking) {
$this->handler->releaseLock($_template->smarty, $this);
}
+
return true;
}
}
+
return false;
}
-
}
-?>
\ No newline at end of file
projects / friendica.git / blobdiff