Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Prophecy.
Chris@0:  * (c) Konstantin Kudryashov <ever.zet@gmail.com>
Chris@0:  *     Marcello Duarte <marcello.duarte@gmail.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 Prophecy\Doubler\ClassPatch;
Chris@0: 
Chris@0: use Prophecy\Doubler\Generator\Node\ClassNode;
Chris@0: use Prophecy\Doubler\Generator\Node\MethodNode;
Chris@0: 
Chris@0: /**
Chris@0:  * Disable constructor.
Chris@0:  * Makes all constructor arguments optional.
Chris@0:  *
Chris@0:  * @author Konstantin Kudryashov <ever.zet@gmail.com>
Chris@0:  */
Chris@0: class DisableConstructorPatch implements ClassPatchInterface
Chris@0: {
Chris@0:     /**
Chris@0:      * Checks if class has `__construct` method.
Chris@0:      *
Chris@0:      * @param ClassNode $node
Chris@0:      *
Chris@0:      * @return bool
Chris@0:      */
Chris@0:     public function supports(ClassNode $node)
Chris@0:     {
Chris@0:         return true;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Makes all class constructor arguments optional.
Chris@0:      *
Chris@0:      * @param ClassNode $node
Chris@0:      */
Chris@0:     public function apply(ClassNode $node)
Chris@0:     {
Chris@0:         if (!$node->hasMethod('__construct')) {
Chris@0:             $node->addMethod(new MethodNode('__construct', ''));
Chris@0: 
Chris@0:             return;
Chris@0:         }
Chris@0: 
Chris@0:         $constructor = $node->getMethod('__construct');
Chris@0:         foreach ($constructor->getArguments() as $argument) {
Chris@0:             $argument->setDefault(null);
Chris@0:         }
Chris@0: 
Chris@0:         $constructor->setCode(<<<PHP
Chris@0: if (0 < func_num_args()) {
Chris@0:     call_user_func_array(array('parent', '__construct'), func_get_args());
Chris@0: }
Chris@0: PHP
Chris@0:         );
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Returns patch priority, which determines when patch will be applied.
Chris@0:      *
Chris@0:      * @return int Priority number (higher - earlier)
Chris@0:      */
Chris@0:     public function getPriority()
Chris@0:     {
Chris@0:         return 100;
Chris@0:     }
Chris@0: }