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