* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\DependencyInjection\Compiler; use Psr\Container\ContainerInterface as PsrContainerInterface; use Symfony\Bundle\FrameworkBundle\Controller\AbstractController; use Symfony\Component\DependencyInjection\Argument\BoundArgument; use Symfony\Component\DependencyInjection\ContainerInterface; use Symfony\Component\DependencyInjection\Definition; use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException; use Symfony\Component\DependencyInjection\Reference; use Symfony\Component\DependencyInjection\TypedReference; use Symfony\Component\HttpFoundation\Session\SessionInterface; use Symfony\Contracts\Service\ServiceProviderInterface; use Symfony\Contracts\Service\ServiceSubscriberInterface; /** * Compiler pass to register tagged services that require a service locator. * * @author Nicolas Grekas
*/
class RegisterServiceSubscribersPass extends AbstractRecursivePass
{
protected function processValue($value, bool $isRoot = false)
{
if (!$value instanceof Definition || $value->isAbstract() || $value->isSynthetic() || !$value->hasTag('container.service_subscriber')) {
return parent::processValue($value, $isRoot);
}
$serviceMap = [];
$autowire = $value->isAutowired();
foreach ($value->getTag('container.service_subscriber') as $attributes) {
if (!$attributes) {
$autowire = true;
continue;
}
ksort($attributes);
if ([] !== array_diff(array_keys($attributes), ['id', 'key'])) {
throw new InvalidArgumentException(sprintf('The "container.service_subscriber" tag accepts only the "key" and "id" attributes, "%s" given for service "%s".', implode('", "', array_keys($attributes)), $this->currentId));
}
if (!\array_key_exists('id', $attributes)) {
throw new InvalidArgumentException(sprintf('Missing "id" attribute on "container.service_subscriber" tag with key="%s" for service "%s".', $attributes['key'], $this->currentId));
}
if (!\array_key_exists('key', $attributes)) {
$attributes['key'] = $attributes['id'];
}
if (isset($serviceMap[$attributes['key']])) {
continue;
}
$serviceMap[$attributes['key']] = new Reference($attributes['id']);
}
$class = $value->getClass();
if (!$r = $this->container->getReflectionClass($class)) {
throw new InvalidArgumentException(sprintf('Class "%s" used for service "%s" cannot be found.', $class, $this->currentId));
}
if (!$r->isSubclassOf(ServiceSubscriberInterface::class)) {
throw new InvalidArgumentException(sprintf('Service "%s" must implement interface "%s".', $this->currentId, ServiceSubscriberInterface::class));
}
$class = $r->name;
$replaceDeprecatedSession = $this->container->has('.session.deprecated') && $r->isSubclassOf(AbstractController::class);
$subscriberMap = [];
foreach ($class::getSubscribedServices() as $key => $type) {
if (!\is_string($type) || !preg_match('/(?(DEFINE)(?