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