Chris@0: <?php
Chris@0: // @codingStandardsIgnoreFile
Chris@0: 
Chris@0: namespace Drupal\Core\DependencyInjection;
Chris@0: 
Chris@0: use Symfony\Component\DependencyInjection\ContainerBuilder as SymfonyContainerBuilder;
Chris@0: use Symfony\Component\DependencyInjection\Container as SymfonyContainer;
Chris@0: use Symfony\Component\DependencyInjection\Definition;
Chris@0: use Symfony\Component\DependencyInjection\LazyProxy\Instantiator\RealServiceInstantiator;
Chris@0: use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Drupal's dependency injection container builder.
Chris@0:  *
Chris@0:  * @todo Submit upstream patches to Symfony to not require these overrides.
Chris@0:  *
Chris@0:  * @ingroup container
Chris@0:  */
Chris@0: class ContainerBuilder extends SymfonyContainerBuilder {
Chris@0: 
Chris@0:   /**
Chris@0:    * @var \Doctrine\Instantiator\InstantiatorInterface|null
Chris@0:    */
Chris@0:   private $proxyInstantiator;
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function __construct(ParameterBagInterface $parameterBag = NULL) {
Chris@0:     $this->setResourceTracking(FALSE);
Chris@0:     parent::__construct($parameterBag);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Retrieves the currently set proxy instantiator or instantiates one.
Chris@0:    *
Chris@0:    * @return InstantiatorInterface
Chris@0:    */
Chris@0:   private function getProxyInstantiator()
Chris@0:   {
Chris@0:     if (!$this->proxyInstantiator) {
Chris@0:       $this->proxyInstantiator = new RealServiceInstantiator();
Chris@0:     }
Chris@0: 
Chris@0:     return $this->proxyInstantiator;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   protected function shareService(Definition $definition, $service, $id)
Chris@0:   {
Chris@0:     if ($definition->isShared()) {
Chris@0:       $this->services[$lowerId = strtolower($id)] = $service;
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Overrides Symfony\Component\DependencyInjection\ContainerBuilder::set().
Chris@0:    *
Chris@0:    * Drupal's container builder can be used at runtime after compilation, so we
Chris@0:    * override Symfony's ContainerBuilder's restriction on setting services in a
Chris@0:    * frozen builder.
Chris@0:    *
Chris@0:    * @todo Restrict this to synthetic services only. Ideally, the upstream
Chris@0:    *   ContainerBuilder class should be fixed to allow setting synthetic
Chris@0:    *   services in a frozen builder.
Chris@0:    */
Chris@0:   public function set($id, $service) {
Chris@0:     if (strtolower($id) !== $id) {
Chris@0:       throw new \InvalidArgumentException("Service ID names must be lowercase: $id");
Chris@0:     }
Chris@0:     SymfonyContainer::set($id, $service);
Chris@0: 
Chris@0:     // Ensure that the _serviceId property is set on synthetic services as well.
Chris@0:     if (isset($this->services[$id]) && is_object($this->services[$id]) && !isset($this->services[$id]->_serviceId)) {
Chris@0:       $this->services[$id]->_serviceId = $id;
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function register($id, $class = null) {
Chris@0:     if (strtolower($id) !== $id) {
Chris@0:       throw new \InvalidArgumentException("Service ID names must be lowercase: $id");
Chris@0:     }
Chris@0:     return parent::register($id, $class);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function setParameter($name, $value) {
Chris@0:     if (strtolower($name) !== $name) {
Chris@0:       throw new \InvalidArgumentException("Parameter names must be lowercase: $name");
Chris@0:     }
Chris@0:     parent::setParameter($name, $value);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * A 1to1 copy of parent::callMethod.
Chris@0:    */
Chris@0:   protected function callMethod($service, $call) {
Chris@0:     $services = self::getServiceConditionals($call[1]);
Chris@0: 
Chris@0:     foreach ($services as $s) {
Chris@0:       if (!$this->has($s)) {
Chris@0:         return;
Chris@0:       }
Chris@0:     }
Chris@0: 
Chris@0:     call_user_func_array(array($service, $call[0]), $this->resolveServices($this->getParameterBag()->resolveValue($call[1])));
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function __sleep() {
Chris@0:     assert(FALSE, 'The container was serialized.');
Chris@0:     return array_keys(get_object_vars($this));
Chris@0:   }
Chris@0: 
Chris@0: }