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Diffstat (limited to 'vendor/symfony/service-contracts/ServiceSubscriberTrait.php')
-rw-r--r-- | vendor/symfony/service-contracts/ServiceSubscriberTrait.php | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/vendor/symfony/service-contracts/ServiceSubscriberTrait.php b/vendor/symfony/service-contracts/ServiceSubscriberTrait.php new file mode 100644 index 0000000..16e3eb2 --- /dev/null +++ b/vendor/symfony/service-contracts/ServiceSubscriberTrait.php @@ -0,0 +1,109 @@ +<?php + +/* + * This file is part of the Symfony package. + * + * (c) Fabien Potencier <fabien@symfony.com> + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +namespace Symfony\Contracts\Service; + +use Psr\Container\ContainerInterface; +use Symfony\Contracts\Service\Attribute\SubscribedService; + +/** + * Implementation of ServiceSubscriberInterface that determines subscribed services from + * method return types. Service ids are available as "ClassName::methodName". + * + * @author Kevin Bond <kevinbond@gmail.com> + */ +trait ServiceSubscriberTrait +{ + /** @var ContainerInterface */ + protected $container; + + /** + * {@inheritdoc} + */ + public static function getSubscribedServices(): array + { + $services = method_exists(get_parent_class(self::class) ?: '', __FUNCTION__) ? parent::getSubscribedServices() : []; + $attributeOptIn = false; + + if (\PHP_VERSION_ID >= 80000) { + foreach ((new \ReflectionClass(self::class))->getMethods() as $method) { + if (self::class !== $method->getDeclaringClass()->name) { + continue; + } + + if (!$attribute = $method->getAttributes(SubscribedService::class)[0] ?? null) { + continue; + } + + if ($method->isStatic() || $method->isAbstract() || $method->isGenerator() || $method->isInternal() || $method->getNumberOfRequiredParameters()) { + throw new \LogicException(sprintf('Cannot use "%s" on method "%s::%s()" (can only be used on non-static, non-abstract methods with no parameters).', SubscribedService::class, self::class, $method->name)); + } + + if (!$returnType = $method->getReturnType()) { + throw new \LogicException(sprintf('Cannot use "%s" on methods without a return type in "%s::%s()".', SubscribedService::class, $method->name, self::class)); + } + + $serviceId = $returnType instanceof \ReflectionNamedType ? $returnType->getName() : (string) $returnType; + + if ($returnType->allowsNull()) { + $serviceId = '?'.$serviceId; + } + + $services[$attribute->newInstance()->key ?? self::class.'::'.$method->name] = $serviceId; + $attributeOptIn = true; + } + } + + if (!$attributeOptIn) { + foreach ((new \ReflectionClass(self::class))->getMethods() as $method) { + if ($method->isStatic() || $method->isAbstract() || $method->isGenerator() || $method->isInternal() || $method->getNumberOfRequiredParameters()) { + continue; + } + + if (self::class !== $method->getDeclaringClass()->name) { + continue; + } + + if (!($returnType = $method->getReturnType()) instanceof \ReflectionNamedType) { + continue; + } + + if ($returnType->isBuiltin()) { + continue; + } + + if (\PHP_VERSION_ID >= 80000) { + trigger_deprecation('symfony/service-contracts', '2.5', 'Using "%s" in "%s" without using the "%s" attribute on any method is deprecated.', ServiceSubscriberTrait::class, self::class, SubscribedService::class); + } + + $services[self::class.'::'.$method->name] = '?'.($returnType instanceof \ReflectionNamedType ? $returnType->getName() : $returnType); + } + } + + return $services; + } + + /** + * @required + * + * @return ContainerInterface|null + */ + public function setContainer(ContainerInterface $container) + { + $this->container = $container; + + if (method_exists(get_parent_class(self::class) ?: '', __FUNCTION__)) { + return parent::setContainer($container); + } + + return null; + } +} |