<?php

/*

 * This file is part of the Symfony framework.

 *

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

 *

 * This source file is subject to the MIT license that is bundled

 * with this source code in the file LICENSE.

 */

namespace Symfony\Component\HttpKernel\DependencyInjection;

use Symfony\Component\DependencyInjection\ContainerBuilder;

use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;

use Symfony\Component\HttpKernel\DependencyInjection\Extension;

use Symfony\Component\HttpKernel\Kernel;

/**

 * Sets the classes to compile in the cache for the container.

 *

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

 */

class AddClassesToCachePass implements CompilerPassInterface

{

    private $kernel;

    public function __construct(Kernel $kernel)

    {

        $this->kernel = $kernel;

    }

    /**

     * {@inheritDoc}

     */

    public function process(ContainerBuilder $container)

    {

        $classes = array();

        foreach ($container->getExtensions() as $extension) {

            if ($extension instanceof Extension) {

                $classes = array_merge($classes, $extension->getClassesToCompile());

            }

        }

        $this->kernel->setClassCache(array_unique($container->getParameterBag()->resolveValue($classes)));

    }

}