--- /dev/null
+<?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>
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class ResolveDefinitionTemplatesPass implements CompilerPassInterface
+{
+ private $compiler;
+ private $formatter;
+ private $currentId;
+
+ /**
+ * Process the ContainerBuilder to replace DefinitionDecorator instances with their real Definition instances.
+ *
+ * @param ContainerBuilder $container
+ */
+ public function process(ContainerBuilder $container)
+ {
+ $this->compiler = $container->getCompiler();
+ $this->formatter = $this->compiler->getLoggingFormatter();
+
+ $container->setDefinitions($this->resolveArguments($container, $container->getDefinitions(), true));
+ }
+
+ /**
+ * Resolves definition decorator arguments.
+ *
+ * @param ContainerBuilder $container The ContainerBuilder
+ * @param array $arguments An array of arguments
+ * @param bool $isRoot If we are processing the root definitions or not
+ *
+ * @return array
+ */
+ private function resolveArguments(ContainerBuilder $container, array $arguments, $isRoot = false)
+ {
+ foreach ($arguments as $k => $argument) {
+ if ($isRoot) {
+ // yes, we are specifically fetching the definition from the
+ // container to ensure we are not operating on stale data
+ $arguments[$k] = $argument = $container->getDefinition($k);
+ $this->currentId = $k;
+ }
+ if (is_array($argument)) {
+ $arguments[$k] = $this->resolveArguments($container, $argument);
+ } elseif ($argument instanceof Definition) {
+ if ($argument instanceof DefinitionDecorator) {
+ $arguments[$k] = $argument = $this->resolveDefinition($container, $argument);
+ if ($isRoot) {
+ $container->setDefinition($k, $argument);
+ }
+ }
+ $argument->setArguments($this->resolveArguments($container, $argument->getArguments()));
+ $argument->setMethodCalls($this->resolveArguments($container, $argument->getMethodCalls()));
+ $argument->setProperties($this->resolveArguments($container, $argument->getProperties()));
+
+ $configurator = $this->resolveArguments($container, array($argument->getConfigurator()));
+ $argument->setConfigurator($configurator[0]);
+
+ $factory = $this->resolveArguments($container, array($argument->getFactory()));
+ $argument->setFactory($factory[0]);
+ }
+ }
+
+ return $arguments;
+ }
+
+ /**
+ * Resolves the definition.
+ *
+ * @param ContainerBuilder $container The ContainerBuilder
+ * @param DefinitionDecorator $definition
+ *
+ * @return Definition
+ *
+ * @throws \RuntimeException When the definition is invalid
+ */
+ private function resolveDefinition(ContainerBuilder $container, DefinitionDecorator $definition)
+ {
+ if (!$container->hasDefinition($parent = $definition->getParent())) {
+ throw new RuntimeException(sprintf('The parent definition "%s" defined for definition "%s" does not exist.', $parent, $this->currentId));
+ }
+
+ $parentDef = $container->getDefinition($parent);
+ if ($parentDef instanceof DefinitionDecorator) {
+ $id = $this->currentId;
+ $this->currentId = $parent;
+ $parentDef = $this->resolveDefinition($container, $parentDef);
+ $container->setDefinition($parent, $parentDef);
+ $this->currentId = $id;
+ }
+
+ $this->compiler->addLogMessage($this->formatter->formatResolveInheritance($this, $this->currentId, $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());
+ $def->setAutowiringTypes($parentDef->getAutowiringTypes());
+ if ($parentDef->getFactoryClass(false)) {
+ $def->setFactoryClass($parentDef->getFactoryClass(false));
+ }
+ if ($parentDef->getFactoryMethod(false)) {
+ $def->setFactoryMethod($parentDef->getFactoryMethod(false));
+ }
+ if ($parentDef->getFactoryService(false)) {
+ $def->setFactoryService($parentDef->getFactoryService(false));
+ }
+ if ($parentDef->isDeprecated()) {
+ $def->setDeprecated(true, $parentDef->getDeprecationMessage('%service_id%'));
+ }
+ $def->setFactory($parentDef->getFactory());
+ $def->setConfigurator($parentDef->getConfigurator());
+ $def->setFile($parentDef->getFile());
+ $def->setPublic($parentDef->isPublic());
+ $def->setLazy($parentDef->isLazy());
+ $def->setAutowired($parentDef->isAutowired());
+
+ // 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(false));
+ }
+ if (isset($changes['factory_method'])) {
+ $def->setFactoryMethod($definition->getFactoryMethod(false));
+ }
+ if (isset($changes['factory_service'])) {
+ $def->setFactoryService($definition->getFactoryService(false));
+ }
+ if (isset($changes['factory'])) {
+ $def->setFactory($definition->getFactory());
+ }
+ 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());
+ }
+ if (isset($changes['deprecated'])) {
+ $def->setDeprecated($definition->isDeprecated(), $definition->getDeprecationMessage('%service_id%'));
+ }
+ if (isset($changes['autowire'])) {
+ $def->setAutowired($definition->isAutowired());
+ }
+ if (isset($changes['decorated_service'])) {
+ $decoratedService = $definition->getDecoratedService();
+ if (null === $decoratedService) {
+ $def->setDecoratedService($decoratedService);
+ } else {
+ $def->setDecoratedService($decoratedService[0], $decoratedService[1], $decoratedService[2]);
+ }
+ }
+
+ // merge arguments
+ foreach ($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));
+ }
+
+ $index = (int) substr($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(), $calls));
+ }
+
+ // merge autowiring types
+ foreach ($definition->getAutowiringTypes() as $autowiringType) {
+ $def->addAutowiringType($autowiringType);
+ }
+
+ // these attributes are always taken from the child
+ $def->setAbstract($definition->isAbstract());
+ $def->setScope($definition->getScope(false), false);
+ $def->setShared($definition->isShared());
+ $def->setTags($definition->getTags());
+
+ return $def;
+ }
+}
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