ClosureLoader.php

1. 8.x drupal/core/vendor/symfony/routing/Symfony/Component/Routing/Loader/ClosureLoader.php
2. 8.x drupal/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Loader/ClosureLoader.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Symfony\Component\DependencyInjection\Loader;

use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\Config\Loader\Loader;

/**
 * ClosureLoader loads service definitions from a PHP closure.
 *
 * The Closure has access to the container as its first argument.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class ClosureLoader extends Loader {
  private $container;

  /**
   * Constructor.
   *
   * @param ContainerBuilder $container A ContainerBuilder instance
   */
  public function __construct(ContainerBuilder $container) {
    $this->container = $container;
  }

  /**
   * Loads a Closure.
   *
   * @param \Closure $closure The resource
   * @param string   $type    The resource type
   */
  public function load($closure, $type = null) {
    call_user_func($closure, $this->container);
  }

  /**
   * Returns true if this class supports the given resource.
   *
   * @param mixed  $resource A resource
   * @param string $type     The resource type
   *
   * @return Boolean true if this class supports the given resource, false otherwise
   */
  public function supports($resource, $type = null) {
    return $resource instanceof \Closure;
  }

}