1 <?php

     2 

     3 /*

     4  * This file is part of the Symfony package.

     5  *

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

     7  *

     8  * For the full copyright and license information, please view the LICENSE

     9  * file that was distributed with this source code.

    10  */

    11 

    12 namespace Symfony\Component\DependencyInjection\Compiler;

    13 

    14 use Symfony\Component\DependencyInjection\ContainerBuilder;

    15 

    16 /**

    17  * A pass that might be run repeatedly.

    18  *

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

    20  */

    21 class RepeatedPass implements CompilerPassInterface

    22 {

    23     private $repeat;

    24     private $passes;

    25 

    26     /**

    27      * Constructor.

    28      *

    29      * @param array $passes An array of RepeatablePassInterface objects

    30      */

    31     public function __construct(array $passes)

    32     {

    33         foreach ($passes as $pass) {

    34             if (!$pass instanceof RepeatablePassInterface) {

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

    36             }

    37 

    38             $pass->setRepeatedPass($this);

    39         }

    40 

    41         $this->passes = $passes;

    42     }

    43 

    44     /**

    45      * Process the repeatable passes that run more than once.

    46      *

    47      * @param ContainerBuilder $container

    48      */

    49     public function process(ContainerBuilder $container)

    50     {

    51         $compiler = $container->getCompiler();

    52         $this->repeat = false;

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

    54             $pass->process($container);

    55         }

    56 

    57         if ($this->repeat) {

    58             $this->process($container);

    59         }

    60     }

    61 

    62     /**

    63      * Sets if the pass should repeat

    64      */

    65     public function setRepeat()

    66     {

    67         $this->repeat = true;

    68     }

    69 

    70     /**

    71      * Returns the passes

    72      *

    73      * @return array An array of RepeatablePassInterface objects

    74      */

    75     public function getPasses()

    76     {

    77         return $this->passes;

    78     }

    79 }