74 lines
2.3 KiB
PHP
74 lines
2.3 KiB
PHP
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<?php
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namespace Symfony\Component\DependencyInjection\Compiler;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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use Symfony\Component\DependencyInjection\Reference;
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/**
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* Replaces aliases with actual service definitions, effectively removing these
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* aliases.
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*
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* @author Johannes M. Schmitt <schmittjoh@gmail.com>
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*/
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class ReplaceAliasByActualDefinitionPass implements CompilerPassInterface
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{
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public function process(ContainerBuilder $container)
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{
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foreach ($container->getAliases() as $id => $alias) {
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$aliasId = (string) $alias;
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$definition = $container->getDefinition($aliasId = (string) $alias);
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if ($definition->isPublic()) {
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continue;
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}
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$definition->setPublic(true);
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$container->setDefinition($id, $definition);
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$container->remove($aliasId);
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$this->updateReferences($container, $aliasId, $id);
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// we have to restart the process due to concurrent modification of
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// the container
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$this->process($container);
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break;
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}
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}
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protected function updateReferences($container, $currentId, $newId)
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{
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foreach ($container->getAliases() as $id => $alias) {
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if ($currentId === (string) $alias) {
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$container->setAlias($id, $newId);
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}
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}
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foreach ($container->getDefinitions() as $definition) {
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$definition->setArguments(
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$this->updateArgumentReferences($definition->getArguments(), $currentId, $newId)
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);
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$definition->setMethodCalls(
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$this->updateArgumentReferences($definition->getMethodCalls(), $currentId, $newId)
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);
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}
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}
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protected function updateArgumentReferences(array $arguments, $currentId, $newId)
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{
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foreach ($arguments as $k => $argument) {
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if (is_array($argument)) {
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$arguments[$k] = $this->updateArgumentReferences($argument, $currentId, $newId);
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} else if ($argument instanceof Reference) {
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if ($currentId === (string) $argument) {
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$arguments[$k] = new Reference($newId, $argument->getInvalidBehavior());
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}
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}
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}
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return $arguments;
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}
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}
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