85 lines
3.2 KiB
PHP
85 lines
3.2 KiB
PHP
<?php
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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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namespace Symfony\Contracts\Service;
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use Psr\Container\ContainerInterface;
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use Symfony\Contracts\Service\Attribute\Required;
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use Symfony\Contracts\Service\Attribute\SubscribedService;
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trigger_deprecation('symfony/contracts', 'v3.5', '"%s" is deprecated, use "ServiceMethodsSubscriberTrait" instead.', ServiceSubscriberTrait::class);
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/**
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* Implementation of ServiceSubscriberInterface that determines subscribed services
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* from methods that have the #[SubscribedService] attribute.
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*
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* Service ids are available as "ClassName::methodName" so that the implementation
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* of subscriber methods can be just `return $this->container->get(__METHOD__);`.
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*
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* @property ContainerInterface $container
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*
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* @author Kevin Bond <kevinbond@gmail.com>
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*
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* @deprecated since symfony/contracts v3.5, use ServiceMethodsSubscriberTrait instead
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*/
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trait ServiceSubscriberTrait
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{
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public static function getSubscribedServices(): array
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{
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$services = method_exists(get_parent_class(self::class) ?: '', __FUNCTION__) ? parent::getSubscribedServices() : [];
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foreach ((new \ReflectionClass(self::class))->getMethods() as $method) {
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if (self::class !== $method->getDeclaringClass()->name) {
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continue;
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}
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if (!$attribute = $method->getAttributes(SubscribedService::class)[0] ?? null) {
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continue;
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}
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if ($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, $method->name));
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}
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if (!$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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/* @var SubscribedService $attribute */
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$attribute = $attribute->newInstance();
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$attribute->key ??= self::class.'::'.$method->name;
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$attribute->type ??= $returnType instanceof \ReflectionNamedType ? $returnType->getName() : (string) $returnType;
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$attribute->nullable = $returnType->allowsNull();
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if ($attribute->attributes) {
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$services[] = $attribute;
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} else {
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$services[$attribute->key] = ($attribute->nullable ? '?' : '').$attribute->type;
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}
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}
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return $services;
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}
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#[Required]
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public function setContainer(ContainerInterface $container): ?ContainerInterface
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{
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$ret = null;
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if (method_exists(get_parent_class(self::class) ?: '', __FUNCTION__)) {
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$ret = parent::setContainer($container);
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}
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$this->container = $container;
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return $ret;
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}
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}
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