Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\DependencyInjection\Compiler;
Chris@0: 
Chris@0: use Symfony\Component\DependencyInjection\ContainerBuilder;
Chris@0: use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
Chris@0: 
Chris@0: /**
Chris@0:  * A pass that might be run repeatedly.
Chris@0:  *
Chris@0:  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
Chris@0:  */
Chris@0: class RepeatedPass implements CompilerPassInterface
Chris@0: {
Chris@0:     /**
Chris@0:      * @var bool
Chris@0:      */
Chris@0:     private $repeat = false;
Chris@0: 
Chris@0:     private $passes;
Chris@0: 
Chris@0:     /**
Chris@0:      * @param RepeatablePassInterface[] $passes An array of RepeatablePassInterface objects
Chris@0:      *
Chris@0:      * @throws InvalidArgumentException when the passes don't implement RepeatablePassInterface
Chris@0:      */
Chris@0:     public function __construct(array $passes)
Chris@0:     {
Chris@0:         foreach ($passes as $pass) {
Chris@0:             if (!$pass instanceof RepeatablePassInterface) {
Chris@0:                 throw new InvalidArgumentException('$passes must be an array of RepeatablePassInterface.');
Chris@0:             }
Chris@0: 
Chris@0:             $pass->setRepeatedPass($this);
Chris@0:         }
Chris@0: 
Chris@0:         $this->passes = $passes;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Process the repeatable passes that run more than once.
Chris@0:      */
Chris@0:     public function process(ContainerBuilder $container)
Chris@0:     {
Chris@0:         do {
Chris@0:             $this->repeat = false;
Chris@0:             foreach ($this->passes as $pass) {
Chris@0:                 $pass->process($container);
Chris@0:             }
Chris@0:         } while ($this->repeat);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Sets if the pass should repeat.
Chris@0:      */
Chris@0:     public function setRepeat()
Chris@0:     {
Chris@0:         $this->repeat = true;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Returns the passes.
Chris@0:      *
Chris@0:      * @return RepeatablePassInterface[] An array of RepeatablePassInterface objects
Chris@0:      */
Chris@0:     public function getPasses()
Chris@0:     {
Chris@0:         return $this->passes;
Chris@0:     }
Chris@0: }