/**
* create Cached Object container
*
* @param Smurty_Internal_Template $_template template object
*/
public function __construct(Smurty_Internal_Template $_template)
{
$this->compile_id = $_template->compile_id;
$this->cache_id = $_template->cache_id;
$this->source = $_template->source;
$_template->cached = $this;
$smurty = $_template->smurty;
//
// load resource handler
//
$this->handler = $handler = Smurty_CacheResource::load($smurty);
// Note: prone to circular references
//
// check if cache is valid
//
if (!($_template->caching == hiweb_tpl::CACHING_LIFETIME_CURRENT || $_template->caching == hiweb_tpl::CACHING_LIFETIME_SAVED) || $_template->source->recompiled) {
$handler->populate($this, $_template);
return;
}
while (true) {
while (true) {
$handler->populate($this, $_template);
if ($this->timestamp === false || $smurty->force_compile || $smurty->force_cache) {
$this->valid = false;
} else {
$this->valid = true;
}
if ($this->valid && $_template->caching == hiweb_tpl::CACHING_LIFETIME_CURRENT && $_template->cache_lifetime >= 0 && time() > $this->timestamp + $_template->cache_lifetime) {
// lifetime expired
$this->valid = false;
}
if ($this->valid || !$_template->smurty->cache_locking) {
break;
}
if (!$this->handler->locked($_template->smurty, $this)) {
$this->handler->acquireLock($_template->smurty, $this);
break 2;
}
}
if ($this->valid) {
if (!$_template->smurty->cache_locking || $this->handler->locked($_template->smurty, $this) === null) {
// load cache file for the following checks
if ($smurty->debugging) {
Smurty_Internal_Debug::start_cache($_template);
}
if ($handler->process($_template, $this) === false) {
$this->valid = false;
} else {
$this->processed = true;
}
if ($smurty->debugging) {
Smurty_Internal_Debug::end_cache($_template);
}
} else {
continue;
}
} else {
return;
}
if ($this->valid && $_template->caching === hiweb_tpl::CACHING_LIFETIME_SAVED && $_template->properties['cache_lifetime'] >= 0 && time() > $_template->cached->timestamp + $_template->properties['cache_lifetime']) {
$this->valid = false;
}
if (!$this->valid && $_template->smurty->cache_locking) {
$this->handler->acquireLock($_template->smurty, $this);
return;
} else {
return;
}
}
}
/**
* Empty cache for a specific template
*
* @param string $template_name template name
* @param string $cache_id cache id
* @param string $compile_id compile id
* @param integer $exp_time expiration time
* @param string $type resource type
*
* @return integer number of cache files deleted
*/
public function clearCache($template_name, $cache_id = null, $compile_id = null, $exp_time = null, $type = null)
{
// load cache resource and call clear
$_cache_resource = Smurty_CacheResource::load($this, $type);
Smurty_CacheResource::invalidLoadedCache($this);
return $_cache_resource->clear($this, $template_name, $cache_id, $compile_id, $exp_time);
}