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<?php |
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namespace Bnf\SymfonyServiceProviderCompilerPass; |
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use Interop\Container\ServiceProviderInterface; |
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use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface; |
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use Symfony\Component\DependencyInjection\ContainerBuilder; |
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use Symfony\Component\DependencyInjection\Definition; |
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use Symfony\Component\DependencyInjection\Reference; |
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class ServiceProviderCompilationPass implements CompilerPassInterface |
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{ |
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/** |
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* @var Registry |
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*/ |
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private $registry; |
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/** |
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* @var string |
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*/ |
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private $registryServiceName; |
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/** |
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* @param Registry $registry |
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* @param string $registryServiceName |
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*/ |
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public function __construct(Registry $registry, string $registryServiceName = 'service_provider_registry') |
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{ |
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$this->registry = $registry; |
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$this->registryServiceName = $registryServiceName; |
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} |
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/** |
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* You can modify the container here before it is dumped to PHP code. |
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* |
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* @param ContainerBuilder $container |
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*/ |
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public function process(ContainerBuilder $container) |
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{ |
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// Now, let's store the registry in the container (an empty version of it... it has to be dynamically added at runtime): |
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$this->registerRegistry($container); |
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foreach ($this->registry as $serviceProviderKey => $serviceProvider) { |
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$this->registerFactories($serviceProviderKey, $serviceProvider, $container); |
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} |
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foreach ($this->registry as $serviceProviderKey => $serviceProvider) { |
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$this->registerExtensions($serviceProviderKey, $serviceProvider, $container); |
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} |
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} |
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private function registerRegistry(ContainerBuilder $container) |
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{ |
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$definition = new Definition(Registry::class); |
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$definition->setSynthetic(true); |
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$definition->setPublic(true); |
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$container->setDefinition($this->registryServiceName, $definition); |
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} |
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private function registerFactories($serviceProviderKey, ServiceProviderInterface $serviceProvider, ContainerBuilder $container) |
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{ |
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$serviceFactories = $serviceProvider->getFactories(); |
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foreach ($serviceFactories as $serviceName => $callable) { |
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$this->registerService($serviceName, $serviceProviderKey, $callable, $container); |
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} |
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} |
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private function registerExtensions($serviceProviderKey, ServiceProviderInterface $serviceProvider, ContainerBuilder $container) |
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{ |
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$serviceFactories = $serviceProvider->getExtensions(); |
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foreach ($serviceFactories as $serviceName => $callable) { |
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$this->extendService($serviceName, $serviceProviderKey, $callable, $container); |
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} |
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} |
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private function registerService($serviceName, $serviceProviderKey, $callable, ContainerBuilder $container) |
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{ |
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$this->addServiceDefinitionFromCallable($serviceName, $serviceProviderKey, $callable, $container); |
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} |
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private function extendService($serviceName, $serviceProviderKey, $callable, ContainerBuilder $container) |
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{ |
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$this->addServiceDefinitionFromCallable($serviceName, $serviceProviderKey, $callable, $container, 'extendService'); |
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} |
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private function getDecoratedServiceName($serviceName, ContainerBuilder $container) |
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{ |
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$counter = 1; |
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while ($container->has($serviceName . '_decorated_' . $counter)) { |
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$counter++; |
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} |
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return [ |
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$serviceName . '_decorated_' . $counter, |
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$counter === 1 ? $serviceName : $serviceName . '_decorated_' . ($counter-1) |
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]; |
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} |
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private function addServiceDefinitionFromCallable($serviceName, $serviceProviderKey, callable $callable, ContainerBuilder $container, string $method = 'createService') |
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{ |
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$finalServiceName = $serviceName; |
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$innerName = null; |
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$factoryDefinition = new Definition($this->getReturnType($callable, $serviceName)); |
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$factoryDefinition->setPublic(true); |
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if ($method === 'extendService' && $container->has($serviceName)) { |
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list($finalServiceName, $previousServiceName) = $this->getDecoratedServiceName($serviceName, $container); |
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$innerName = $finalServiceName . '.inner'; |
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$factoryDefinition->setDecoratedService($previousServiceName, $innerName); |
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} |
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$staticallyCallable = $this->getStaticallyCallable($callable); |
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if ($staticallyCallable !== null) { |
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$factoryDefinition->setFactory($staticallyCallable); |
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} else { |
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$factoryDefinition->setFactory([ new Reference($this->registryServiceName), $method ]); |
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$factoryDefinition->addArgument($serviceProviderKey); |
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$factoryDefinition->addArgument($serviceName); |
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} |
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$factoryDefinition->addArgument(new Reference('service_container')); |
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if ($innerName !== null) { |
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$factoryDefinition->addArgument(new Reference($innerName)); |
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} |
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$container->setDefinition($finalServiceName, $factoryDefinition); |
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} |
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/** |
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* @param callable $callable |
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* @return array|string|null |
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*/ |
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private function getStaticallyCallable(callable $callable) |
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{ |
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if (is_string($callable)) { |
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return $callable; |
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} |
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if (is_array($callable) && isset($callable[0]) && is_string($callable[0])) { |
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return $callable; |
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} |
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return null; |
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} |
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private function getReturnType(callable $callable, string $serviceName): string |
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{ |
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return $this->getReflection($callable)->getReturnType() ?: $serviceName; |
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} |
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private function getReflection(callable $callable): \ReflectionFunctionAbstract |
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{ |
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if (is_array($callable) && count($callable) === 2) { |
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return new \ReflectionMethod($callable[0], $callable[1]); |
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} |
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if (is_object($callable) && !$callable instanceof \Closure) { |
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return new \ReflectionMethod($callable, '__invoke'); |
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} |
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return new \ReflectionFunction($callable); |
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} |
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} |
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