1 <?php

     2 

     3 /*

     4  * This file is part of the Symfony package.

     5  *

     6  * (c) Fabien Potencier <fabien@symfony.com>

     7  *

     8  * For the full copyright and license information, please view the LICENSE

     9  * file that was distributed with this source code.

    10  */

    11 

    12 namespace Symfony\Component\DependencyInjection\Loader;

    13 

    14 use Symfony\Component\DependencyInjection\ContainerBuilder;

    15 use Symfony\Component\Config\Loader\Loader;

    16 

    17 /**

    18  * ClosureLoader loads service definitions from a PHP closure.

    19  *

    20  * The Closure has access to the container as its first argument.

    21  *

    22  * @author Fabien Potencier <fabien@symfony.com>

    23  */

    24 class ClosureLoader extends Loader

    25 {

    26     private $container;

    27 

    28     /**

    29      * Constructor.

    30      *

    31      * @param ContainerBuilder $container A ContainerBuilder instance

    32      */

    33     public function __construct(ContainerBuilder $container)

    34     {

    35         $this->container = $container;

    36     }

    37 

    38     /**

    39      * Loads a Closure.

    40      *

    41      * @param \Closure $closure The resource

    42      * @param string   $type    The resource type

    43      */

    44     public function load($closure, $type = null)

    45     {

    46         call_user_func($closure, $this->container);

    47     }

    48 

    49     /**

    50      * Returns true if this class supports the given resource.

    51      *

    52      * @param mixed $resource A resource

    53      * @param string $type The resource type

    54      *

    55      * @return Boolean true if this class supports the given resource, false otherwise

    56      */

    57     public function supports($resource, $type = null)

    58     {

    59         return $resource instanceof \Closure;

    60     }

    61 }