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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)
{
}
/**
* 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, $no_output_filter)
{
ob_start();
if (!isset($_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);
$compile_check = (int)$_template->compile_check;
$_template->compile_check = Smarty::COMPILECHECK_OFF;
if ($_template->_isSubTpl()) {
$_template->compiled->unifunc = $_template->parent->compiled->unifunc;
}
if (!$_template->cached->processed) {
$_template->cached->process($_template, true);
}
$_template->compile_check = $compile_check;
$cached->getRenderedTemplateCode($_template);
if ($_template->smarty->debugging) {
$_template->smarty->_debug->end_cache($_template);
}
}
/**
* 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
) {
$php_pattern = '/(<%|%>|<\?php|<\?|\?>|<script\s+language\s*=\s*[\"\']?\s*php\s*[\"\']?\s*>)/';
$content = ob_get_clean();
$hash_array = $cached->hashes;
$hash_array[ $_template->compiled->nocache_hash ] = true;
$hash_array = array_keys($hash_array);
$nocache_hash = '(' . implode('|', $hash_array) . ')';
$_template->cached->has_nocache_code = false;
// get text between non-cached items
$cache_split =
preg_split(
"!/\*%%SmartyNocache:{$nocache_hash}%%\*\/(.+?)/\*/%%SmartyNocache:{$nocache_hash}%%\*/!s",
$content
);
// get non-cached items
preg_match_all(
"!/\*%%SmartyNocache:{$nocache_hash}%%\*\/(.+?)/\*/%%SmartyNocache:{$nocache_hash}%%\*/!s",
$content,
$cache_parts
);
$content = '';
// loop over items, stitch back together
foreach ($cache_split as $curr_idx => $curr_split) {
if (preg_match($php_pattern, $curr_split)) {
// escape PHP tags in template content
$php_split = preg_split(
$php_pattern,
$curr_split
);
preg_match_all(
$php_pattern,
$curr_split,
$php_parts
);
foreach ($php_split as $idx_php => $curr_php) {
$content .= $curr_php;
if (isset($php_parts[ 0 ][ $idx_php ])) {
$content .= "<?php echo '{$php_parts[ 1 ][ $idx_php ]}'; ?>\n";
}
}
} else {
$content .= $curr_split;
}
if (isset($cache_parts[ 0 ][ $curr_idx ])) {
$_template->cached->has_nocache_code = true;
$content .= $cache_parts[ 2 ][ $curr_idx ];
}
}
if (!$no_output_filter && !$_template->cached->has_nocache_code
&& (isset($_template->smarty->autoload_filters[ 'output' ])
|| isset($_template->smarty->registered_filters[ 'output' ]))
) {
$content = $_template->smarty->ext->_filterHandler->runFilter('output', $content, $_template);
}
// write cache file content
$this->writeCachedContent($_template, $content);
}
/**
* Writes the content to cache resource
*
* @param Smarty_Internal_Template $_template
* @param string $content
*
* @return bool
*/
public function writeCachedContent(Smarty_Internal_Template $_template, $content)
{
if ($_template->source->handler->recompiled || !$_template->caching
) {
// don't write cache file
return false;
}
if (!isset($_template->cached)) {
$_template->loadCached();
}
$content = $_template->smarty->ext->_codeFrame->create($_template, $content, '', true);
return $this->write($_template, $content);
}
/**
* Write this cache object to handler
*
* @param Smarty_Internal_Template $_template template object
* @param string $content content to cache
*
* @return bool success
*/
public function write(Smarty_Internal_Template $_template, $content)
{
if (!$_template->source->handler->recompiled) {
$cached = $_template->cached;
if ($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;
}
}
|
