/**
* 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;
}
/**
* 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;
$this->processed = FALSE;
if ($_template->smarty->cache_locking) {
$this->handler->releaseLock($_template->smarty, $this);
}
return TRUE;
}
$this->content = NULL;
$this->timestamp = FALSE;
$this->exists = FALSE;
$this->valid = FALSE;
$this->processed = FALSE;
}
return FALSE;
}
/**
* Check if cache is valid, lock cache if required
*
* @param \Smarty_Internal_Template $_template
*
* @return bool flag true if cache is valid
*/
public function isCached(Smarty_Internal_Template $_template)
{
if ($this->valid !== null) {
return $this->valid;
}
while (true) {
while (true) {
if ($this->exists === false || $_template->smarty->force_compile || $_template->smarty->force_cache) {
$this->valid = false;
} else {
$this->valid = true;
}
if ($this->valid && $_template->caching == Smarty::CACHING_LIFETIME_CURRENT && $_template->cache_lifetime >= 0 && time() > $this->timestamp + $_template->cache_lifetime) {
// lifetime expired
$this->valid = false;
}
if ($this->valid && $_template->smarty->compile_check == 1 && $_template->source->getTimeStamp() > $this->timestamp) {
$this->valid = false;
}
if ($this->valid || !$_template->smarty->cache_locking) {
break;
}
if (!$this->handler->locked($_template->smarty, $this)) {
$this->handler->acquireLock($_template->smarty, $this);
break 2;
}
$this->handler->populate($this, $_template);
}
if ($this->valid) {
if (!$_template->smarty->cache_locking || $this->handler->locked($_template->smarty, $this) === null) {
// load cache file for the following checks
if ($_template->smarty->debugging) {
$_template->smarty->_debug->start_cache($_template);
}
if ($this->handler->process($_template, $this) === false) {
$this->valid = false;
} else {
$this->processed = true;
}
if ($_template->smarty->debugging) {
$_template->smarty->_debug->end_cache($_template);
}
} else {
$this->is_locked = true;
continue;
}
} else {
return $this->valid;
}
if ($this->valid && $_template->caching === Smarty::CACHING_LIFETIME_SAVED && $_template->cached->cache_lifetime >= 0 && time() > $_template->cached->timestamp + $_template->cached->cache_lifetime) {
$this->valid = false;
}
if ($_template->smarty->cache_locking) {
if (!$this->valid) {
$this->handler->acquireLock($_template->smarty, $this);
} elseif ($this->is_locked) {
$this->handler->releaseLock($_template->smarty, $this);
}
}
return $this->valid;
}
return $this->valid;
}
