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<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\DependencyInjection\Compiler; use Symfony\Component\DependencyInjection\Definition; use Symfony\Component\DependencyInjection\DefinitionDecorator; use Symfony\Component\DependencyInjection\ContainerBuilder; use Symfony\Component\DependencyInjection\Exception\RuntimeException; /** * This replaces all DefinitionDecorator instances with their equivalent fully * merged Definition instance. * * @author Johannes M. Schmitt <schmittjoh@gmail.com> */ class ResolveDefinitionTemplatesPass implements CompilerPassInterface { private $container; private $compiler; private $formatter; /** * Process the ContainerBuilder to replace DefinitionDecorator instances with their real Definition instances. * * @param ContainerBuilder $container */ public function process(ContainerBuilder $container) { $this->container = $container; $this->compiler = $container->getCompiler(); $this->formatter = $this->compiler->getLoggingFormatter(); foreach (array_keys($container->getDefinitions()) as $id) { // yes, we are specifically fetching the definition from the // container to ensure we are not operating on stale data $definition = $container->getDefinition($id); if (!$definition instanceof DefinitionDecorator || $definition->isAbstract()) { continue; } $this->resolveDefinition($id, $definition); } } /** * Resolves the definition * * @param string $id The definition identifier * @param DefinitionDecorator $definition * * @return Definition * * @throws \RuntimeException When the definition is invalid */ private function resolveDefinition($id, DefinitionDecorator $definition) { if (!$this->container->hasDefinition($parent = $definition->getParent())) { throw new RuntimeException(sprintf('The parent definition "%s" defined for definition "%s" does not exist.', $parent, $id)); } $parentDef = $this->container->getDefinition($parent); if ($parentDef instanceof DefinitionDecorator) { $parentDef = $this->resolveDefinition($parent, $parentDef); } $this->compiler->addLogMessage($this->formatter->formatResolveInheritance($this, $id, $parent)); $def = new Definition(); // merge in parent definition // purposely ignored attributes: scope, abstract, tags $def->setClass($parentDef->getClass()); $def->setArguments($parentDef->getArguments()); $def->setMethodCalls($parentDef->getMethodCalls()); $def->setProperties($parentDef->getProperties()); $def->setFactoryClass($parentDef->getFactoryClass()); $def->setFactoryMethod($parentDef->getFactoryMethod()); $def->setFactoryService($parentDef->getFactoryService()); $def->setConfigurator($parentDef->getConfigurator()); $def->setFile($parentDef->getFile()); $def->setPublic($parentDef->isPublic()); $def->setLazy($parentDef->isLazy()); // overwrite with values specified in the decorator $changes = $definition->getChanges(); if (isset($changes['class'])) { $def->setClass($definition->getClass()); } if (isset($changes['factory_class'])) { $def->setFactoryClass($definition->getFactoryClass()); } if (isset($changes['factory_method'])) { $def->setFactoryMethod($definition->getFactoryMethod()); } if (isset($changes['factory_service'])) { $def->setFactoryService($definition->getFactoryService()); } if (isset($changes['configurator'])) { $def->setConfigurator($definition->getConfigurator()); } if (isset($changes['file'])) { $def->setFile($definition->getFile()); } if (isset($changes['public'])) { $def->setPublic($definition->isPublic()); } if (isset($changes['lazy'])) { $def->setLazy($definition->isLazy()); } // merge arguments foreach ($definition->getArguments() as $k => $v) { if (is_numeric($k)) { $def->addArgument($v); continue; } if (0 !== strpos($k, 'index_')) { throw new RuntimeException(sprintf('Invalid argument key "%s" found.', $k)); } $index = (integer) substr($k, strlen('index_')); $def->replaceArgument($index, $v); } // merge properties foreach ($definition->getProperties() as $k => $v) { $def->setProperty($k, $v); } // append method calls if (count($calls = $definition->getMethodCalls()) > 0) { $def->setMethodCalls(array_merge($def->getMethodCalls(), $calls)); } // these attributes are always taken from the child $def->setAbstract($definition->isAbstract()); $def->setScope($definition->getScope()); $def->setTags($definition->getTags()); // set new definition on container $this->container->setDefinition($id, $def); return $def; } }