class LudwigServiceProvider in Ludwig 8

Adds ludwig-managed packages to the autoloader.

Service providers are only executed when the container is being built, removing the need to cache the module's package information.

Hierarchy

• class \Drupal\Core\DependencyInjection\ServiceProviderBase implements ServiceModifierInterface, ServiceProviderInterface
  • class \Drupal\ludwig\LudwigServiceProvider

File

src/LudwigServiceProvider.php, line 14

Namespace

Drupal\ludwig

class LudwigServiceProvider extends ServiceProviderBase {

  /**
   * {@inheritdoc}
   */
  public function register(ContainerBuilder $container) {
    $root = \Drupal::hasService('app.root') ? \Drupal::root() : DRUPAL_ROOT;
    $package_manager = new PackageManager($root);
    $namespaces = $container
      ->getParameter('container.namespaces');
    foreach ($package_manager
      ->getPackages() as $package_name => $package) {
      if ($package['installed']) {
        if ($package['resource'] == 'psr-4' || $package['resource'] == 'psr-0') {
          $namespace = $package['namespace'];

          // If this namespace exists already, convert it's path(s) to
          // $old_paths array so that we can add more paths to it.
          if (isset($namespaces[$namespace])) {
            if (is_string($namespaces[$namespace])) {
              $old_paths = [];
              $old_paths[] = $namespaces[$namespace];
            }
            elseif (is_array($namespaces[$namespace])) {
              $old_paths = $namespaces[$namespace];
            }
          }
          else {
            $old_paths = [];
          }

          // Create a $new_paths array and add all new paths to it.
          $new_paths = [];
          if (!empty($package['paths'])) {
            foreach ($package['paths'] as $path) {
              !empty($path) ? $new_paths[] = $package['path'] . '/' . $path : ($new_paths[] = $package['path']);
            }
          }

          // Merge all 'old' amd 'new' paths into one array
          // and filter out possible duplicates.
          $return_paths = array_unique(array_merge($old_paths, $new_paths));

          // If the namespace has one path only
          // we can give it back as a string.
          if (count($return_paths) == 1) {
            $namespaces[$namespace] = $return_paths[0];
          }
          elseif (count($return_paths) > 1) {
            $namespaces[$namespace] = $return_paths;
          }
        }

        // @todo Add support for 'classmap' autoload type.
        // @todo Add support for 'files' autoload type.
        // @todo Add support for 'exclude-from-classmap' autoload property.
        // @todo Add support for 'target-dir' autoload property.
        // @todo Add support for 'legacy' libraries (depricated type).
      }
    }
    $container
      ->setParameter('container.namespaces', $namespaces);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
LudwigServiceProvider::register	public	function	Registers services to the container. Overrides ServiceProviderBase::register
ServiceProviderBase::alter	public	function	Modifies existing service definitions. Overrides ServiceModifierInterface::alter	5