<?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\Bundle\AsseticBundle\DependencyInjection\Compiler;

use Symfony\Component\DependencyInjection\ContainerBuilder;

use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;

/**

 * This pass removes services associated with unused templating engines.

 *

 * @author Kris Wallsmith <kris@symfony.com>

 */

class TemplatingPass implements CompilerPassInterface

{

    public function process(ContainerBuilder $container)

    {

        if (!$container->hasDefinition('assetic.asset_manager')) {

            return;

        }

        $engines = $container->getParameterBag()->resolveValue($container->getParameter('templating.engines'));

        if (!in_array('twig', $engines)) {

            foreach ($container->findTaggedServiceIds('assetic.templating.twig') as $id => $attr) {

                $container->removeDefinition($id);

            }

        }

        if (!in_array('php', $engines)) {

            foreach ($container->findTaggedServiceIds('assetic.templating.php') as $id => $attr) {

                $container->removeDefinition($id);

            }

        }

    }

}