<?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\Routing\Loader;

use Symfony\Component\Config\Resource\FileResource;

use Symfony\Component\Config\Loader\FileLoader;

/**

 * PhpFileLoader loads routes from a PHP file.

 *

 * The file must return a RouteCollection instance.

 *

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

 *

 * @api

 */

class PhpFileLoader extends FileLoader

{

    /**

     * Loads a PHP file.

     *

     * @param mixed  $file A PHP file path

     * @param string $type The resource type

     *

     * @api

     */

    public function load($file, $type = null)

    {

        // the loader variable is exposed to the included file below

        $loader = $this;

        $path = $this->locator->locate($file);

        $this->setCurrentDir(dirname($path));

        $collection = include $path;

        $collection->addResource(new FileResource($path));

        return $collection;

    }

    /**

     * 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

     *

     * @api

     */

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

    {

        return is_string($resource) && 'php' === pathinfo($resource, PATHINFO_EXTENSION) && (!$type || 'php' === $type);

    }

}