vendor/symfony/src/Symfony/Component/DependencyInjection/Compiler/ResolveDefinitionTemplatesPass.php
changeset 0 7f95f8617b0b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/DependencyInjection/Compiler/ResolveDefinitionTemplatesPass.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,146 @@
+<?php
+
+/*
+ * This file is part of the Symfony framework.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Symfony\Component\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\DefinitionDecorator;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+
+/**
+ * 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 $definition
+     * @return Definition
+     */
+    private function resolveDefinition($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());
+
+        // 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());
+        }
+
+        // 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;
+    }
+}