function advagg_url_inbound_alter in Advanced CSS/JS Aggregation 7.2

Implements hook_url_inbound_alter().

Inbound URL rewrite helper. If host includes subdomain, rewrite URI and internal path if necessary.

File

./advagg.module, line 509

Advanced CSS/JS aggregation module.

Code

function advagg_url_inbound_alter(&$path, $original_path, $path_language) {

  // Do nothing if this has been disabled.
  if (!variable_get('advagg_url_inbound_alter', ADVAGG_URL_INBOUND_ALTER)) {
    return;
  }

  // Setup static so we only need to run the logic once.
  $already_ran =& drupal_static(__FUNCTION__);
  if (!isset($already_ran)) {
    $already_ran = array();
  }
  $request_path = request_path();

  // Set the path again if we already did this alter.
  if (array_key_exists($request_path, $already_ran)) {
    $path = $already_ran[$request_path];
    return;
  }

  // If requested path was for an advagg file but now it is something else
  // switch is back to the advagg file.
  if (!empty($path) && $path != $request_path && advagg_match_file_pattern($request_path)) {

    // Get the advagg paths.
    $advagg_path = advagg_get_root_files_dir();

    // Get the top level path.
    $top_level = substr($advagg_path[0][1], 0, strpos($advagg_path[0][1], 'advagg_css'));

    // Only change if it's an exact match.
    $start = strpos($request_path, $top_level . 'advagg_');
    if ($start === 0) {

      // Set path to correct advagg path.
      $path = substr($request_path, $start);
      $already_ran[$request_path] = $path;
    }
    else {

      // Put all languages prefixes into an array.
      $language_list = language_list();
      $prefixes = array();
      foreach ($language_list as $lang) {
        if ($lang->enabled && !empty($lang->prefix) && strpos($request_path, $lang->prefix) !== FALSE) {
          $prefixes[$lang->prefix] = $lang->prefix;
        }
      }
      if (!empty($prefixes)) {

        // Remove all enabled languages prefixes from the beginning of the path.
        $substr_to_shrink = substr($request_path, 0, $start);
        foreach ($prefixes as $prefix) {
          $substr_to_shrink = str_replace($prefix . '/', '', $substr_to_shrink);
        }

        // Set path to correct advagg path.
        $path = $substr_to_shrink . substr($request_path, $start);
        $already_ran[$request_path] = $path;
      }
    }
  }
}