public function Vars::getLibraryPath in Variable API 6.2

Same name and namespace in other branches

1. 7.2 vars.classes.inc \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.module, line 159

Implement an API to handle persistent variables.

Class

Vars

@file Implement an API to handle persistent variables.

Code

public function getLibraryPath($library, array $options = array()) {
  global $profile;
  $config = conf_path();
  $id = preg_replace('/[^a-z0-9_]/i', '_', $library);
  $path =& self::staticValue("vars_library_path_{$id}", array());
  if ($path) {
    return $path;
  }
  if (!isset($profile)) {
    $profile = $this
      ->offsetGet('install_profile');
  }
  $dirs = array(
    "profiles/{$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('vars_library_search_directories', $dirs, $context);
  drupal_alter("vars_library_{$id}_search_directories", $dirs, $context);
  foreach ($dirs as $dir) {
    if (_var_check_locale_directory($dir, $context['files'])) {
      $path[] = $dir;
    }
  }
  return $path;
}