<?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\Compiler;

use Symfony\Component\DependencyInjection\ContainerBuilder;

/**

 * A pass that might be run repeatedly.

 *

 * @author Johannes M. Schmitt <schmittjoh@gmail.com>

 */

class RepeatedPass implements CompilerPassInterface

{

    private $repeat;

    private $passes;

    /**

     * Constructor.

     *

     * @param array $passes An array of RepeatablePassInterface objects

     */

    public function __construct(array $passes)

    {

        foreach ($passes as $pass) {

            if (!$pass instanceof RepeatablePassInterface) {

                throw new \InvalidArgumentException('$passes must be an array of RepeatablePassInterface.');

            }

            $pass->setRepeatedPass($this);

        }

        $this->passes = $passes;

    }

    /**

     * Process the repeatable passes that run more than once.

     *

     * @param ContainerBuilder $container

     */

    public function process(ContainerBuilder $container)

    {

        $compiler = $container->getCompiler();

        $this->repeat = false;

        foreach ($this->passes as $pass) {

            $pass->process($container);

        }

        if ($this->repeat) {

            $this->process($container);

        }

    }

    /**

     * Sets if the pass should repeat

     */

    public function setRepeat()

    {

        $this->repeat = true;

    }

    /**

     * Returns the passes

     *

     * @return array An array of RepeatablePassInterface objects

     */

    public function getPasses()

    {

        return $this->passes;

    }

}