97 lines
3.5 KiB
PHP
97 lines
3.5 KiB
PHP
<?php
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/**
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* Smarty plugin
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* @package Smarty
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* @subpackage plugins
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*/
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/**
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* Prepend the cache information to the cache file
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* and write it
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*
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* @param string $tpl_file
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* @param string $cache_id
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* @param string $compile_id
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* @param string $results
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* @return true|null
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*/
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// $tpl_file, $cache_id, $compile_id, $results
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function smarty_core_write_cache_file($params, &$smarty)
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{
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// put timestamp in cache header
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$smarty->_cache_info['timestamp'] = time();
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if ($smarty->cache_lifetime > -1){
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// expiration set
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$smarty->_cache_info['expires'] = $smarty->_cache_info['timestamp'] + $smarty->cache_lifetime;
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} else {
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// cache will never expire
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$smarty->_cache_info['expires'] = -1;
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}
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// collapse nocache.../nocache-tags
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if (preg_match_all('!\{(/?)nocache\:[0-9a-f]{32}#\d+\}!', $params['results'], $match, PREG_PATTERN_ORDER)) {
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// remove everything between every pair of outermost noache.../nocache-tags
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// and replace it by a single nocache-tag
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// this new nocache-tag will be replaced by dynamic contents in
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// smarty_core_process_compiled_includes() on a cache-read
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$match_count = count($match[0]);
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$results = preg_split('!(\{/?nocache\:[0-9a-f]{32}#\d+\})!', $params['results'], -1, PREG_SPLIT_DELIM_CAPTURE);
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$level = 0;
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$j = 0;
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for ($i=0, $results_count = count($results); $i < $results_count && $j < $match_count; $i++) {
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if ($results[$i] == $match[0][$j]) {
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// nocache tag
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if ($match[1][$j]) { // closing tag
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$level--;
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unset($results[$i]);
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} else { // opening tag
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if ($level++ > 0) unset($results[$i]);
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}
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$j++;
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} elseif ($level > 0) {
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unset($results[$i]);
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}
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}
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$params['results'] = implode('', $results);
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}
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$smarty->_cache_info['cache_serials'] = $smarty->_cache_serials;
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// prepend the cache header info into cache file
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$_cache_info = serialize($smarty->_cache_info);
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$params['results'] = strlen($_cache_info) . "\n" . $_cache_info . $params['results'];
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if (!empty($smarty->cache_handler_func)) {
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// use cache_handler function
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call_user_func_array($smarty->cache_handler_func,
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array('write', &$smarty, &$params['results'], $params['tpl_file'], $params['cache_id'], $params['compile_id'], null));
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} else {
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// use local cache file
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if(!@is_writable($smarty->cache_dir)) {
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// cache_dir not writable, see if it exists
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if(!@is_dir($smarty->cache_dir)) {
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$smarty->trigger_error('the $cache_dir \'' . $smarty->cache_dir . '\' does not exist, or is not a directory.', E_USER_ERROR);
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return false;
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}
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$smarty->trigger_error('unable to write to $cache_dir \'' . realpath($smarty->cache_dir) . '\'. Be sure $cache_dir is writable by the web server user.', E_USER_ERROR);
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return false;
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}
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$_auto_id = $smarty->_get_auto_id($params['cache_id'], $params['compile_id']);
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$_cache_file = $smarty->_get_auto_filename($smarty->cache_dir, $params['tpl_file'], $_auto_id);
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$_params = array('filename' => $_cache_file, 'contents' => $params['results'], 'create_dirs' => true);
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require_once(SMARTY_CORE_DIR . 'core.write_file.php');
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smarty_core_write_file($_params, $smarty);
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return true;
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}
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}
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/* vim: set expandtab: */
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?>
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