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<?php
/**
* Inline Runtime Methods render, setSourceByUid, setupSubTemplate
*
* @package Smarty
* @subpackage PluginsInternal
* @author Uwe Tews
*
**/
class Smarty_Internal_Runtime_UpdateCache
{
/**
* check client side cache
*
* @param \Smarty_Template_Cached $cached
* @param Smarty_Internal_Template $_template
* @param string $content
*/
public function cacheModifiedCheck(Smarty_Template_Cached $cached, Smarty_Internal_Template $_template, $content)
{
}
/**
* Sanitize content and write it to cache resource
*
* @param \Smarty_Template_Cached $cached
* @param Smarty_Internal_Template $_template
* @param bool $no_output_filter
*
* @throws \SmartyException
*/
public function removeNoCacheHash(Smarty_Template_Cached $cached, Smarty_Internal_Template $_template,
$no_output_filter)
{
$content = ob_get_clean();
unset($cached->hashes[$_template->compiled->nocache_hash]);
if (!empty($cached->hashes)) {
$hash_array = array();
foreach ($cached->hashes as $hash => $foo) {
$hash_array[] = "/{$hash}/";
}
$content = preg_replace($hash_array, $_template->compiled->nocache_hash, $content);
}
$_template->cached->has_nocache_code = false;
// get text between non-cached items
$cache_split =
preg_split("!/\*%%SmartyNocache:{$_template->compiled->nocache_hash}%%\*\/(.+?)/\*/%%SmartyNocache:{$_template->compiled->nocache_hash}%%\*/!s",
$content);
// get non-cached items
preg_match_all("!/\*%%SmartyNocache:{$_template->compiled->nocache_hash}%%\*\/(.+?)/\*/%%SmartyNocache:{$_template->compiled->nocache_hash}%%\*/!s",
$content, $cache_parts);
$content = '';
// loop over items, stitch back together
foreach ($cache_split as $curr_idx => $curr_split) {
// escape PHP tags in template content
$content .= preg_replace('/(<%|%>|<\?php|<\?|\?>|<script\s+language\s*=\s*[\"\']?\s*php\s*[\"\']?\s*>)/',
"<?php echo '\$1'; ?>\n", $curr_split);
if (isset($cache_parts[0][$curr_idx])) {
$_template->cached->has_nocache_code = true;
$content .= $cache_parts[1][$curr_idx];
}
}
if (!$no_output_filter && !$_template->compiled->has_nocache_code &&
(isset($_template->smarty->autoload_filters['output']) ||
isset($_template->smarty->registered_filters['output']))
) {
$content = $_template->smarty->ext->_filterHandler->runFilter('output', $content, $_template);
}
// write cache file content
$this->writeCachedContent($cached, $_template, $content);
}
/**
* Cache was invalid , so render from compiled and write to cache
*
* @param \Smarty_Template_Cached $cached
* @param \Smarty_Internal_Template $_template
* @param $no_output_filter
*
* @throws \Exception
*/
public function updateCache(Smarty_Template_Cached $cached, Smarty_Internal_Template $_template, $no_output_filter)
{
if ($_template->source->handler->uncompiled) {
ob_start();
$_template->source->render($_template);
} else {
ob_start();
if (!isset($_template->compiled)) {
$_template->loadCompiled();
}
$_template->compiled->render($_template);
}
if ($_template->smarty->debugging) {
$_template->smarty->_debug->start_cache($_template);
}
$this->removeNoCacheHash($cached, $_template, $no_output_filter);
$compile_check = $_template->smarty->compile_check;
$_template->smarty->compile_check = false;
if (isset($_template->parent) && $_template->parent->_objType == 2) {
$_template->compiled->unifunc = $_template->parent->compiled->unifunc;
}
if (!$_template->cached->processed) {
$_template->cached->process($_template, true);
}
$_template->smarty->compile_check = $compile_check;
$cached->getRenderedTemplateCode($_template);
if ($_template->smarty->debugging) {
$_template->smarty->_debug->end_cache($_template);
}
}
/**
* Writes the content to cache resource
*
* @param \Smarty_Template_Cached $cached
* @param Smarty_Internal_Template $_template
* @param string $content
*
* @return bool
*/
public function writeCachedContent(Smarty_Template_Cached $cached, Smarty_Internal_Template $_template, $content)
{
if ($_template->source->handler->recompiled || !($_template->caching == Smarty::CACHING_LIFETIME_CURRENT ||
$_template->caching == Smarty::CACHING_LIFETIME_SAVED)
) {
// don't write cache file
return false;
}
$content = $_template->smarty->ext->_codeFrame->create($_template, $content, '', true);
return $this->write($cached, $_template, $content);
}
/**
* Write this cache object to handler
*
* @param \Smarty_Template_Cached $cached
* @param Smarty_Internal_Template $_template template object
* @param string $content content to cache
*
* @return bool success
*/
public function write(Smarty_Template_Cached $cached, Smarty_Internal_Template $_template, $content)
{
if (!$_template->source->handler->recompiled) {
if ($cached->handler->writeCachedContent($_template, $content)) {
$cached->content = null;
$cached->timestamp = time();
$cached->exists = true;
$cached->valid = true;
$cached->cache_lifetime = $_template->cache_lifetime;
$cached->processed = false;
if ($_template->smarty->cache_locking) {
$cached->handler->releaseLock($_template->smarty, $cached);
}
return true;
}
$cached->content = null;
$cached->timestamp = false;
$cached->exists = false;
$cached->valid = false;
$cached->processed = false;
}
return false;
}
}
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