Chris@14: <?php
Chris@14: 
Chris@14: /*
Chris@14:  * This file is part of the Symfony package.
Chris@14:  *
Chris@14:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@14:  *
Chris@14:  * For the full copyright and license information, please view the LICENSE
Chris@14:  * file that was distributed with this source code.
Chris@14:  */
Chris@14: 
Chris@14: namespace Symfony\Component\DependencyInjection\Loader\Configurator\Traits;
Chris@14: 
Chris@14: use Symfony\Component\DependencyInjection\ChildDefinition;
Chris@14: use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
Chris@14: 
Chris@14: /**
Chris@14:  * @method $this parent(string $parent)
Chris@14:  */
Chris@14: trait ParentTrait
Chris@14: {
Chris@14:     /**
Chris@14:      * Sets the Definition to inherit from.
Chris@14:      *
Chris@14:      * @param string $parent
Chris@14:      *
Chris@14:      * @return $this
Chris@14:      *
Chris@14:      * @throws InvalidArgumentException when parent cannot be set
Chris@14:      */
Chris@14:     final protected function setParent($parent)
Chris@14:     {
Chris@14:         if (!$this->allowParent) {
Chris@14:             throw new InvalidArgumentException(sprintf('A parent cannot be defined when either "_instanceof" or "_defaults" are also defined for service prototype "%s".', $this->id));
Chris@14:         }
Chris@14: 
Chris@14:         if ($this->definition instanceof ChildDefinition) {
Chris@14:             $this->definition->setParent($parent);
Chris@14:         } elseif ($this->definition->isAutoconfigured()) {
Chris@14:             throw new InvalidArgumentException(sprintf('The service "%s" cannot have a "parent" and also have "autoconfigure". Try disabling autoconfiguration for the service.', $this->id));
Chris@14:         } elseif ($this->definition->getBindings()) {
Chris@14:             throw new InvalidArgumentException(sprintf('The service "%s" cannot have a "parent" and also "bind" arguments.', $this->id));
Chris@14:         } else {
Chris@14:             // cast Definition to ChildDefinition
Chris@14:             $definition = serialize($this->definition);
Chris@14:             $definition = substr_replace($definition, '53', 2, 2);
Chris@14:             $definition = substr_replace($definition, 'Child', 44, 0);
Chris@14:             $definition = unserialize($definition);
Chris@14: 
Chris@14:             $this->definition = $definition->setParent($parent);
Chris@14:         }
Chris@14: 
Chris@14:         return $this;
Chris@14:     }
Chris@14: }