110 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			110 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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| /*
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|  * This file is part of the Symfony package.
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|  *
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|  * (c) Fabien Potencier <fabien@symfony.com>
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|  *
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|  * For the full copyright and license information, please view the LICENSE
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|  * file that was distributed with this source code.
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|  */
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| 
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| namespace Symfony\Contracts\Service;
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| 
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| use Psr\Container\ContainerInterface;
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| use Symfony\Contracts\Service\Attribute\SubscribedService;
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| 
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| /**
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|  * Implementation of ServiceSubscriberInterface that determines subscribed services from
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|  * method return types. Service ids are available as "ClassName::methodName".
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|  *
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|  * @author Kevin Bond <kevinbond@gmail.com>
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|  */
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| trait ServiceSubscriberTrait
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| {
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|     /** @var ContainerInterface */
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|     protected $container;
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| 
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|     /**
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|      * {@inheritdoc}
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|      */
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|     public static function getSubscribedServices(): array
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|     {
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|         $services = method_exists(get_parent_class(self::class) ?: '', __FUNCTION__) ? parent::getSubscribedServices() : [];
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|         $attributeOptIn = false;
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| 
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|         if (\PHP_VERSION_ID >= 80000) {
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|             foreach ((new \ReflectionClass(self::class))->getMethods() as $method) {
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|                 if (self::class !== $method->getDeclaringClass()->name) {
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|                     continue;
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|                 }
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| 
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|                 if (!$attribute = $method->getAttributes(SubscribedService::class)[0] ?? null) {
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|                     continue;
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|                 }
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| 
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|                 if ($method->isStatic() || $method->isAbstract() || $method->isGenerator() || $method->isInternal() || $method->getNumberOfRequiredParameters()) {
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|                     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, $method->name));
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|                 }
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| 
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|                 if (!$returnType = $method->getReturnType()) {
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|                     throw new \LogicException(sprintf('Cannot use "%s" on methods without a return type in "%s::%s()".', SubscribedService::class, $method->name, self::class));
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|                 }
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| 
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|                 $serviceId = $returnType instanceof \ReflectionNamedType ? $returnType->getName() : (string) $returnType;
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| 
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|                 if ($returnType->allowsNull()) {
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|                     $serviceId = '?'.$serviceId;
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|                 }
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| 
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|                 $services[$attribute->newInstance()->key ?? self::class.'::'.$method->name] = $serviceId;
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|                 $attributeOptIn = true;
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|             }
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|         }
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| 
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|         if (!$attributeOptIn) {
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|             foreach ((new \ReflectionClass(self::class))->getMethods() as $method) {
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|                 if ($method->isStatic() || $method->isAbstract() || $method->isGenerator() || $method->isInternal() || $method->getNumberOfRequiredParameters()) {
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|                     continue;
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|                 }
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| 
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|                 if (self::class !== $method->getDeclaringClass()->name) {
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|                     continue;
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|                 }
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| 
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|                 if (!($returnType = $method->getReturnType()) instanceof \ReflectionNamedType) {
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|                     continue;
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|                 }
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| 
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|                 if ($returnType->isBuiltin()) {
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|                     continue;
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|                 }
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| 
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|                 if (\PHP_VERSION_ID >= 80000) {
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|                     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);
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|                 }
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| 
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|                 $services[self::class.'::'.$method->name] = '?'.($returnType instanceof \ReflectionNamedType ? $returnType->getName() : $returnType);
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|             }
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|         }
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| 
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|         return $services;
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|     }
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| 
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|     /**
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|      * @required
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|      *
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|      * @return ContainerInterface|null
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|      */
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|     public function setContainer(ContainerInterface $container)
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|     {
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|         $this->container = $container;
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| 
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|         if (method_exists(get_parent_class(self::class) ?: '', __FUNCTION__)) {
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|             return parent::setContainer($container);
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|         }
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| 
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|         return null;
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|     }
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| }
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