public function process(ehough_iconic_ContainerBuilder $container) { if (!$container->hasDefinition($this->dispatcherService) && !$container->hasAlias($this->dispatcherService)) { return; } $definition = $container->findDefinition($this->dispatcherService); foreach ($container->findTaggedServiceIds($this->listenerTag) as $id => $events) { $def = $container->getDefinition($id); if (!$def->isPublic()) { throw new InvalidArgumentException(sprintf('The service "%s" must be public as event listeners are lazy-loaded.', $id)); } if ($def->isAbstract()) { throw new InvalidArgumentException(sprintf('The service "%s" must not be abstract as event listeners are lazy-loaded.', $id)); } foreach ($events as $event) { $priority = isset($event['priority']) ? $event['priority'] : 0; if (!isset($event['event'])) { throw new InvalidArgumentException(sprintf('Service "%s" must define the "event" attribute on "%s" tags.', $id, $this->listenerTag)); } if (!isset($event['method'])) { $event['method'] = 'on' . preg_replace_callback(array('/(?<=\\b)[a-z]/i', '/[^a-z0-9]/i'), array($this, '_upperMatches'), $event['event']); $event['method'] = preg_replace('/[^a-z0-9]/i', '', $event['method']); } $definition->addMethodCall('addListenerService', array($event['event'], array($id, $event['method']), $priority)); } } foreach ($container->findTaggedServiceIds($this->subscriberTag) as $id => $attributes) { $def = $container->getDefinition($id); if (!$def->isPublic()) { throw new InvalidArgumentException(sprintf('The service "%s" must be public as event subscribers are lazy-loaded.', $id)); } // We must assume that the class value has been correctly filled, even if the service is created by a factory $class = $def->getClass(); $refClass = new ReflectionClass($class); $interface = 'ehough_tickertape_EventSubscriberInterface'; if (!$refClass->implementsInterface($interface)) { throw new InvalidArgumentException(sprintf('Service "%s" must implement interface "%s".', $id, $interface)); } $definition->addMethodCall('addSubscriberService', array($id, $class)); } }