diff -r 000000000000 -r 7f95f8617b0b vendor/symfony/src/Symfony/Component/DependencyInjection/Dumper/YamlDumper.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/DependencyInjection/Dumper/YamlDumper.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,270 @@
+<?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\Dumper;
+
+use Symfony\Component\Yaml\Yaml;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\DependencyInjection\Parameter;
+use Symfony\Component\DependencyInjection\Reference;
+
+/**
+ * YamlDumper dumps a service container as a YAML string.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @api
+ */
+class YamlDumper extends Dumper
+{
+    /**
+     * Dumps the service container as an YAML string.
+     *
+     * @param  array  $options An array of options
+     *
+     * @return string A YAML string representing of the service container
+     *
+     * @api
+     */
+    public function dump(array $options = array())
+    {
+        return $this->addParameters()."\n".$this->addServices();
+    }
+
+    /**
+     * Adds a service
+     *
+     * @param string $id
+     * @param Definition $definition
+     * @return string
+     */
+    private function addService($id, $definition)
+    {
+        $code = "  $id:\n";
+        if ($definition->getClass()) {
+            $code .= sprintf("    class: %s\n", $definition->getClass());
+        }
+
+        $tagsCode = '';
+        foreach ($definition->getTags() as $name => $tags) {
+            foreach ($tags as $attributes) {
+                $att = array();
+                foreach ($attributes as $key => $value) {
+                    $att[] = sprintf('%s: %s', Yaml::dump($key), Yaml::dump($value));
+                }
+                $att = $att ? ', '.implode(' ', $att) : '';
+
+                $tagsCode .= sprintf("      - { name: %s%s }\n", Yaml::dump($name), $att);
+            }
+        }
+        if ($tagsCode) {
+            $code .= "    tags:\n".$tagsCode;
+        }
+
+        if ($definition->getFile()) {
+            $code .= sprintf("    file: %s\n", $definition->getFile());
+        }
+
+        if ($definition->getFactoryMethod()) {
+            $code .= sprintf("    factory_method: %s\n", $definition->getFactoryMethod());
+        }
+
+        if ($definition->getFactoryService()) {
+            $code .= sprintf("    factory_service: %s\n", $definition->getFactoryService());
+        }
+
+        if ($definition->getArguments()) {
+            $code .= sprintf("    arguments: %s\n", Yaml::dump($this->dumpValue($definition->getArguments()), 0));
+        }
+
+        if ($definition->getProperties()) {
+            $code .= sprintf("    properties: %s\n", Yaml::dump($this->dumpValue($definition->getProperties()), 0));
+        }
+
+        if ($definition->getMethodCalls()) {
+            $code .= sprintf("    calls:\n      %s\n", str_replace("\n", "\n      ", Yaml::dump($this->dumpValue($definition->getMethodCalls()), 1)));
+        }
+
+        if (ContainerInterface::SCOPE_CONTAINER !== $scope = $definition->getScope()) {
+            $code .= sprintf("    scope: %s\n", $scope);
+        }
+
+        if ($callable = $definition->getConfigurator()) {
+            if (is_array($callable)) {
+                if (is_object($callable[0]) && $callable[0] instanceof Reference) {
+                    $callable = array($this->getServiceCall((string) $callable[0], $callable[0]), $callable[1]);
+                } else {
+                    $callable = array($callable[0], $callable[1]);
+                }
+            }
+
+            $code .= sprintf("    configurator: %s\n", Yaml::dump($callable, 0));
+        }
+
+        return $code;
+    }
+
+    /**
+     * Adds a service alias
+     *
+     * @param string $alias
+     * @param string $id
+     * @return string
+     */
+    private function addServiceAlias($alias, $id)
+    {
+        if ($id->isPublic()) {
+            return sprintf("  %s: @%s\n", $alias, $id);
+        } else {
+            return sprintf("  %s:\n    alias: %s\n    public: false", $alias, $id);
+        }
+    }
+
+    /**
+     * Adds services
+     *
+     * @return string
+     */
+    private function addServices()
+    {
+        if (!$this->container->getDefinitions()) {
+            return '';
+        }
+
+        $code = "services:\n";
+        foreach ($this->container->getDefinitions() as $id => $definition) {
+            $code .= $this->addService($id, $definition);
+        }
+
+        foreach ($this->container->getAliases() as $alias => $id) {
+            $code .= $this->addServiceAlias($alias, $id);
+        }
+
+        return $code;
+    }
+
+    /**
+     * Adds parameters
+     *
+     * @return string
+     */
+    private function addParameters()
+    {
+        if (!$this->container->getParameterBag()->all()) {
+            return '';
+        }
+
+        if ($this->container->isFrozen()) {
+            $parameters = $this->prepareParameters($this->container->getParameterBag()->all());
+        } else {
+            $parameters = $this->container->getParameterBag()->all();
+        }
+
+        return Yaml::dump(array('parameters' => $parameters), 2);
+    }
+
+    /**
+     * Dumps the value to YAML format
+     *
+     * @param mixed $value
+     * @throws \RuntimeException When trying to dump object or resource
+     */
+    private function dumpValue($value)
+    {
+        if (is_array($value)) {
+            $code = array();
+            foreach ($value as $k => $v) {
+                $code[$k] = $this->dumpValue($v);
+            }
+
+            return $code;
+        } elseif (is_object($value) && $value instanceof Reference) {
+            return $this->getServiceCall((string) $value, $value);
+        } elseif (is_object($value) && $value instanceof Parameter) {
+            return $this->getParameterCall((string) $value);
+        } elseif (is_object($value) || is_resource($value)) {
+            throw new \RuntimeException('Unable to dump a service container if a parameter is an object or a resource.');
+        }
+
+        return $value;
+    }
+
+    /**
+     * Gets the service call.
+     *
+     * @param string    $id
+     * @param Reference $reference
+     * @return string
+     */
+    private function getServiceCall($id, Reference $reference = null)
+    {
+        if (null !== $reference && ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE !== $reference->getInvalidBehavior()) {
+            return sprintf('@?%s', $id);
+        }
+
+        return sprintf('@%s', $id);
+    }
+
+    /**
+     * Gets parameter call.
+     *
+     * @param string $id
+     * @return string
+     */
+    private function getParameterCall($id)
+    {
+        return sprintf('%%%s%%', $id);
+    }
+
+    /**
+     * Prepares parameters
+     *
+     * @param array $parameters
+     * @return array
+     */
+    private function prepareParameters($parameters)
+    {
+        $filtered = array();
+        foreach ($parameters as $key => $value) {
+            if (is_array($value)) {
+                $value = $this->prepareParameters($value);
+            } elseif ($value instanceof Reference) {
+                $value = '@'.$value;
+            }
+
+            $filtered[$key] = $value;
+        }
+
+        return $this->escape($filtered);
+    }
+
+    /**
+     * Escapes arguments
+     *
+     * @param array $arguments
+     * @return array
+     */
+    private function escape($arguments)
+    {
+        $args = array();
+        foreach ($arguments as $k => $v) {
+            if (is_array($v)) {
+                $args[$k] = $this->escape($v);
+            } elseif (is_string($v)) {
+                $args[$k] = str_replace('%', '%%', $v);
+            } else {
+                $args[$k] = $v;
+            }
+        }
+
+        return $args;
+    }
+}