public function Vars::getLibraryPath in Variable API 7.2

Same name and namespace in other branches

1. 6.2 vars.module \Vars::getLibraryPath()

Returns the list of the directories where library files are looked in.

Parameters

$library: The library to look for. This parameter will be used as directory name.

$options: An array of extra options.

Return value

An array of directories where the library can be found.

File

./vars.classes.inc, line 171

Classes implemented by the Variable API module.

Class

Vars

@file Classes implemented by the Variable API module.

Code

public function getLibraryPath($library, array $options = array()) {
  $config = conf_path();
  $id = preg_replace('/[^a-z0-9_]/i', '_', $library);
  $path =& self::staticValue("vars_library_path_{$id}", array());
  if ($path) {
    return $path;
  }
  $dirs = array(
    'profiles/' . drupal_get_profile() . "/libraries/{$library}",
    "sites/all/libraries/{$library}",
    "{$config}/libraries",
  );

  // Allow third-party modules to alter the list of directories where
  // Variables API looks for the directory $library.
  $context = array(
    'library' => $library,
  );
  if (!empty($options['files'])) {
    $context['files'] = is_array($options['files']) ? $options['files'] : array(
      $options['files'],
    );
  }
  else {
    $context['files'] = array();
  }
  drupal_alter(array(
    'vars_library_search_directories',
    "vars_library_{$id}_search_directories",
  ), $dirs, $context);
  foreach ($dirs as $dir) {
    $function = preg_match('#^https?://#i', $dir) ? '_vars_check_remote_directory' : '_var_check_locale_directory';
    if ($function($dir, $context['files'])) {
      $path[] = $dir;
    }
  }
  return $path;
}