[Sommaire] [Imprimer]

   1  <?php
   2  /**
   3   * Smarty plugin
   4   * @package Smarty
   5   * @subpackage plugins
   6   */
   7  
   8  /**
   9   * Prepend the cache information to the cache file
  10   * and write it
  11   *
  12   * @param string $tpl_file
  13   * @param string $cache_id
  14   * @param string $compile_id
  15   * @param string $results
  16   * @return true|null
  17   */
  18  
  19   // $tpl_file, $cache_id, $compile_id, $results
  20  
  21  function smarty_core_write_cache_file($params, &$smarty)
  22  {
  23  
  24      // put timestamp in cache header
  25      $smarty->_cache_info['timestamp'] = time();
  26      if ($smarty->cache_lifetime > -1){
  27          // expiration set
  28          $smarty->_cache_info['expires'] = $smarty->_cache_info['timestamp'] + $smarty->cache_lifetime;
  29      } else {
  30          // cache will never expire
  31          $smarty->_cache_info['expires'] = -1;
  32      }
  33  
  34      // collapse nocache.../nocache-tags
  35      if (preg_match_all('!\{(/?)nocache\:[0-9a-f]{32}#\d+\}!', $params['results'], $match, PREG_PATTERN_ORDER)) {
  36          // remove everything between every pair of outermost noache.../nocache-tags
  37          // and replace it by a single nocache-tag
  38          // this new nocache-tag will be replaced by dynamic contents in
  39          // smarty_core_process_compiled_includes() on a cache-read
  40          
  41          $match_count = count($match[0]);
  42          $results = preg_split('!(\{/?nocache\:[0-9a-f]{32}#\d+\})!', $params['results'], -1, PREG_SPLIT_DELIM_CAPTURE);
  43          
  44          $level = 0;
  45          $j = 0;
  46          for ($i=0, $results_count = count($results); $i < $results_count && $j < $match_count; $i++) {
  47              if ($results[$i] == $match[0][$j]) {
  48                  // nocache tag
  49                  if ($match[1][$j]) { // closing tag
  50                      $level--;
  51                      unset($results[$i]);
  52                  } else { // opening tag
  53                      if ($level++ > 0) unset($results[$i]);
  54                  }
  55                  $j++;
  56              } elseif ($level > 0) {
  57                  unset($results[$i]);
  58              }
  59          }
  60          $params['results'] = implode('', $results);
  61      }
  62      $smarty->_cache_info['cache_serials'] = $smarty->_cache_serials;
  63  
  64      // prepend the cache header info into cache file
  65      $_cache_info = serialize($smarty->_cache_info);
  66      $params['results'] = strlen($_cache_info) . "\n" . $_cache_info . $params['results'];
  67  
  68      if (!empty($smarty->cache_handler_func)) {
  69          // use cache_handler function
  70          call_user_func_array($smarty->cache_handler_func,
  71                               array('write', &$smarty, &$params['results'], $params['tpl_file'], $params['cache_id'], $params['compile_id'], null));
  72      } else {
  73          // use local cache file
  74  
  75          if(!@is_writable($smarty->cache_dir)) {
  76              // cache_dir not writable, see if it exists
  77              if(!@is_dir($smarty->cache_dir)) {
  78                  $smarty->trigger_error('the $cache_dir \'' . $smarty->cache_dir . '\' does not exist, or is not a directory.', E_USER_ERROR);
  79                  return false;
  80              }
  81              $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);
  82              return false;
  83          }
  84  
  85          $_auto_id = $smarty->_get_auto_id($params['cache_id'], $params['compile_id']);
  86          $_cache_file = $smarty->_get_auto_filename($smarty->cache_dir, $params['tpl_file'], $_auto_id);
  87          $_params = array('filename' => $_cache_file, 'contents' => $params['results'], 'create_dirs' => true);
  88          require_once (SMARTY_CORE_DIR . 'core.write_file.php');
  89          smarty_core_write_file($_params, $smarty);
  90          return true;
  91      }
  92  }
  93  
  94  /* vim: set expandtab: */
  95  
  96  ?>