46 lines
1.6 KiB
PHP
46 lines
1.6 KiB
PHP
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<?php
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namespace Symfony\Component\DependencyInjection\Compiler;
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use Symfony\Component\DependencyInjection\Exception\NonExistentServiceException;
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use Symfony\Component\DependencyInjection\ContainerInterface;
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use Symfony\Component\DependencyInjection\Reference;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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/**
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* Checks that all references are pointing to a valid service.
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*
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* @author Johannes M. Schmitt <schmittjoh@gmail.com>
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*/
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class CheckExceptionOnInvalidReferenceBehaviorPass implements CompilerPassInterface
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{
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private $container;
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private $sourceId;
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public function process(ContainerBuilder $container)
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{
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$this->container = $container;
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foreach ($container->getDefinitions() as $id => $definition) {
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$this->sourceId = $id;
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$this->processReferences($definition->getArguments());
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$this->processReferences($definition->getMethodCalls());
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$this->processReferences($definition->getProperties());
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}
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}
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private function processReferences(array $arguments)
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{
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foreach ($arguments as $argument) {
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if (is_array($argument)) {
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$this->processReferences($argument);
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} else if ($argument instanceof Reference && ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE === $argument->getInvalidBehavior()) {
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$destId = (string) $argument;
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if (!$this->container->has($destId)) {
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throw new NonExistentServiceException($destId, $this->sourceId);
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}
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}
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}
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}
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}
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