diff -r 000000000000 -r 7f95f8617b0b vendor/symfony/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,1112 @@
+<?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\DependencyInjection\Exception\ServiceCircularReferenceException;
+use Symfony\Component\DependencyInjection\Variable;
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Container;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\DependencyInjection\Parameter;
+
+/**
+ * PhpDumper dumps a service container as a PHP class.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Johannes M. Schmitt <schmittjoh@gmail.com>
+ *
+ * @api
+ */
+class PhpDumper extends Dumper
+{
+    /**
+     * Characters that might appear in the generated variable name as first character
+     * @var string
+     */
+    const FIRST_CHARS = 'abcdefghijklmnopqrstuvwxyz';
+
+    /**
+     * Characters that might appear in the generated variable name as any but the first character
+     * @var string
+     */
+    const NON_FIRST_CHARS = 'abcdefghijklmnopqrstuvwxyz0123456789_';
+
+    private $inlinedDefinitions;
+    private $definitionVariables;
+    private $referenceVariables;
+    private $variableCount;
+    private $reservedVariables = array('instance', 'class');
+
+    /**
+     * {@inheritDoc}
+     *
+     * @api
+     */
+    public function __construct(ContainerBuilder $container)
+    {
+        parent::__construct($container);
+
+        $this->inlinedDefinitions = new \SplObjectStorage;
+    }
+
+    /**
+     * Dumps the service container as a PHP class.
+     *
+     * Available options:
+     *
+     *  * class:      The class name
+     *  * base_class: The base class name
+     *
+     * @param  array  $options An array of options
+     *
+     * @return string A PHP class representing of the service container
+     *
+     * @api
+     */
+    public function dump(array $options = array())
+    {
+        $options = array_merge(array(
+            'class'      => 'ProjectServiceContainer',
+            'base_class' => 'Container',
+        ), $options);
+
+        $code = $this->startClass($options['class'], $options['base_class']);
+
+        if ($this->container->isFrozen()) {
+            $code .= $this->addFrozenConstructor();
+        } else {
+            $code .= $this->addConstructor();
+        }
+
+        $code .=
+            $this->addServices().
+            $this->addDefaultParametersMethod().
+            $this->endClass()
+        ;
+
+        return $code;
+    }
+
+    /**
+     * Generates Service local temp variables.
+     *
+     * @param string $cId
+     * @param string $definition
+     * @return string
+     */
+    private function addServiceLocalTempVariables($cId, $definition)
+    {
+        static $template = "        \$%s = %s;\n";
+
+        $localDefinitions = array_merge(
+            array($definition),
+            $this->getInlinedDefinitions($definition)
+        );
+
+        $calls = $behavior = array();
+        foreach ($localDefinitions as $iDefinition) {
+            $this->getServiceCallsFromArguments($iDefinition->getArguments(), $calls, $behavior);
+            $this->getServiceCallsFromArguments($iDefinition->getMethodCalls(), $calls, $behavior);
+            $this->getServiceCallsFromArguments($iDefinition->getProperties(), $calls, $behavior);
+        }
+
+        $code = '';
+        foreach ($calls as $id => $callCount) {
+            if ('service_container' === $id || $id === $cId) {
+                continue;
+            }
+
+            if ($callCount > 1) {
+                $name = $this->getNextVariableName();
+                $this->referenceVariables[$id] = new Variable($name);
+
+                if (ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE === $behavior[$id]) {
+                    $code .= sprintf($template, $name, $this->getServiceCall($id));
+                } else {
+                    $code .= sprintf($template, $name, $this->getServiceCall($id, new Reference($id, ContainerInterface::NULL_ON_INVALID_REFERENCE)));
+                }
+            }
+        }
+
+        if ('' !== $code) {
+            $code .= "\n";
+        }
+
+        return $code;
+    }
+
+    /**
+     * Generates the require_once statement for service includes.
+     *
+     * @param string $id The service id
+     * @param Definition $definition
+     * @return string
+     */
+    private function addServiceInclude($id, $definition)
+    {
+        $template = "        require_once %s;\n";
+        $code = '';
+
+        if (null !== $file = $definition->getFile()) {
+            $code .= sprintf($template, $this->dumpValue($file));
+        }
+
+        foreach ($this->getInlinedDefinitions($definition) as $definition) {
+            if (null !== $file = $definition->getFile()) {
+                $code .= sprintf($template, $this->dumpValue($file));
+            }
+        }
+
+        if ('' !== $code) {
+            $code .= "\n";
+        }
+
+        return $code;
+    }
+
+    /**
+     * Generates the inline definition of a service.
+     *
+     * @param string $id
+     * @param Definition $definition
+     * @return string
+     */
+    private function addServiceInlinedDefinitions($id, $definition)
+    {
+        $code = '';
+        $variableMap = $this->definitionVariables;
+        $nbOccurrences = new \SplObjectStorage();
+        $processed = new \SplObjectStorage();
+        $inlinedDefinitions = $this->getInlinedDefinitions($definition);
+
+        foreach ($inlinedDefinitions as $definition) {
+            if (false === $nbOccurrences->contains($definition)) {
+                $nbOccurrences->offsetSet($definition, 1);
+            } else {
+                $i = $nbOccurrences->offsetGet($definition);
+                $nbOccurrences->offsetSet($definition, $i+1);
+            }
+        }
+
+        foreach ($inlinedDefinitions as $sDefinition) {
+            if ($processed->contains($sDefinition)) {
+                continue;
+            }
+            $processed->offsetSet($sDefinition);
+
+            $class = $this->dumpValue($sDefinition->getClass());
+            if ($nbOccurrences->offsetGet($sDefinition) > 1 || count($sDefinition->getMethodCalls()) > 0 || $sDefinition->getProperties() || null !== $sDefinition->getConfigurator() || false !== strpos($class, '$')) {
+                $name = $this->getNextVariableName();
+                $variableMap->offsetSet($sDefinition, new Variable($name));
+
+                // a construct like:
+                // $a = new ServiceA(ServiceB $b); $b = new ServiceB(ServiceA $a);
+                // this is an indication for a wrong implementation, you can circumvent this problem
+                // by setting up your service structure like this:
+                // $b = new ServiceB();
+                // $a = new ServiceA(ServiceB $b);
+                // $b->setServiceA(ServiceA $a);
+                if ($this->hasReference($id, $sDefinition->getArguments())) {
+                    throw new ServiceCircularReferenceException($id, array($id));
+                }
+
+                $arguments = array();
+                foreach ($sDefinition->getArguments() as $argument) {
+                    $arguments[] = $this->dumpValue($argument);
+                }
+
+                if (null !== $sDefinition->getFactoryMethod()) {
+                    if (null !== $sDefinition->getFactoryClass()) {
+                        $code .= sprintf("        \$%s = call_user_func(array(%s, '%s')%s);\n", $name, $this->dumpValue($sDefinition->getFactoryClass()), $sDefinition->getFactoryMethod(), count($arguments) > 0 ? ', '.implode(', ', $arguments) : '');
+                    } elseif (null !== $sDefinition->getFactoryService()) {
+                        $code .= sprintf("        \$%s = %s->%s(%s);\n", $name, $this->getServiceCall($sDefinition->getFactoryService()), $sDefinition->getFactoryMethod(), implode(', ', $arguments));
+                    } else {
+                        throw new \RuntimeException('Factory service or factory class must be defined in service definition for '.$id);
+                    }
+                } elseif (false !== strpos($class, '$')) {
+                    $code .= sprintf("        \$class = %s;\n        \$%s = new \$class(%s);\n", $class, $name, implode(', ', $arguments));
+                } else {
+                    $code .= sprintf("        \$%s = new \\%s(%s);\n", $name, substr(str_replace('\\\\', '\\', $class), 1, -1), implode(', ', $arguments));
+                }
+
+                if (!$this->hasReference($id, $sDefinition->getMethodCalls()) && !$this->hasReference($id, $sDefinition->getProperties())) {
+                    $code .= $this->addServiceMethodCalls(null, $sDefinition, $name);
+                    $code .= $this->addServiceProperties(null, $sDefinition, $name);
+                    $code .= $this->addServiceConfigurator(null, $sDefinition, $name);
+                }
+
+                $code .= "\n";
+            }
+        }
+
+        return $code;
+    }
+
+    /**
+     * Adds the service return statement.
+     *
+     * @param string $id Service id
+     * @param Definition $definition
+     * @return string
+     */
+    private function addServiceReturn($id, $definition)
+    {
+        if ($this->isSimpleInstance($id, $definition)) {
+            return "    }\n";
+        }
+
+        return "\n        return \$instance;\n    }\n";
+    }
+
+    /**
+     * Generates the service instance.
+     *
+     * @param string $id
+     * @param Definition $definition
+     * @return string
+     *
+     * @throws \InvalidArgumentException
+     * @throws \RuntimeException
+     */
+    private function addServiceInstance($id, $definition)
+    {
+        $class = $this->dumpValue($definition->getClass());
+
+        if (0 === strpos($class, "'") && !preg_match('/^\'[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*(\\\{2}[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)*\'$/', $class)) {
+            throw new \InvalidArgumentException(sprintf('"%s" is not a valid class name for the "%s" service.', $class, $id));
+        }
+
+        $arguments = array();
+        foreach ($definition->getArguments() as $value) {
+            $arguments[] = $this->dumpValue($value);
+        }
+
+        $simple = $this->isSimpleInstance($id, $definition);
+
+        $instantiation = '';
+        if (ContainerInterface::SCOPE_CONTAINER === $definition->getScope()) {
+            $instantiation = "\$this->services['$id'] = ".($simple ? '' : '$instance');
+        } else if (ContainerInterface::SCOPE_PROTOTYPE !== $scope = $definition->getScope()) {
+            $instantiation = "\$this->services['$id'] = \$this->scopedServices['$scope']['$id'] = ".($simple ? '' : '$instance');
+        } elseif (!$simple) {
+            $instantiation = '$instance';
+        }
+
+        $return = '';
+        if ($simple) {
+            $return = 'return ';
+        } else {
+            $instantiation .= ' = ';
+        }
+
+        if (null !== $definition->getFactoryMethod()) {
+            if (null !== $definition->getFactoryClass()) {
+                $code = sprintf("        $return{$instantiation}call_user_func(array(%s, '%s')%s);\n", $this->dumpValue($definition->getFactoryClass()), $definition->getFactoryMethod(), $arguments ? ', '.implode(', ', $arguments) : '');
+            } elseif (null !== $definition->getFactoryService()) {
+                $code = sprintf("        $return{$instantiation}%s->%s(%s);\n", $this->getServiceCall($definition->getFactoryService()), $definition->getFactoryMethod(), implode(', ', $arguments));
+            } else {
+                throw new \RuntimeException('Factory method requires a factory service or factory class in service definition for '.$id);
+            }
+        } elseif (false !== strpos($class, '$')) {
+            $code = sprintf("        \$class = %s;\n        $return{$instantiation}new \$class(%s);\n", $class, implode(', ', $arguments));
+        } else {
+            $code = sprintf("        $return{$instantiation}new \\%s(%s);\n", substr(str_replace('\\\\', '\\', $class), 1, -1), implode(', ', $arguments));
+        }
+
+        if (!$simple) {
+            $code .= "\n";
+        }
+
+        return $code;
+    }
+
+    /**
+     * Checks if the definition is a simple instance.
+     *
+     * @param string $id
+     * @param Definition $definition
+     * @return Boolean
+     */
+    private function isSimpleInstance($id, $definition)
+    {
+        foreach (array_merge(array($definition), $this->getInlinedDefinitions($definition)) as $sDefinition) {
+            if ($definition !== $sDefinition && !$this->hasReference($id, $sDefinition->getMethodCalls())) {
+                continue;
+            }
+
+            if ($sDefinition->getMethodCalls() || $sDefinition->getProperties() || $sDefinition->getConfigurator()) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * Adds method calls to a service definition.
+     *
+     * @param string $id
+     * @param Definition $definition
+     * @param string $variableName
+     * @return string
+     */
+    private function addServiceMethodCalls($id, $definition, $variableName = 'instance')
+    {
+        $calls = '';
+        foreach ($definition->getMethodCalls() as $call) {
+            $arguments = array();
+            foreach ($call[1] as $value) {
+                $arguments[] = $this->dumpValue($value);
+            }
+
+            $calls .= $this->wrapServiceConditionals($call[1], sprintf("        \$%s->%s(%s);\n", $variableName, $call[0], implode(', ', $arguments)));
+        }
+
+        return $calls;
+    }
+
+    private function addServiceProperties($id, $definition, $variableName = 'instance')
+    {
+        $code = '';
+        foreach ($definition->getProperties() as $name => $value) {
+            $code .= sprintf("        \$%s->%s = %s;\n", $variableName, $name, $this->dumpValue($value));
+        }
+
+        return $code;
+    }
+
+    /**
+     * Generates the inline definition setup.
+     *
+     * @param string $id
+     * @param Definition $definition
+     * @return string
+     */
+    private function addServiceInlinedDefinitionsSetup($id, $definition)
+    {
+        $this->referenceVariables[$id] = new Variable('instance');
+
+        $code = '';
+        $processed = new \SplObjectStorage();
+        foreach ($this->getInlinedDefinitions($definition) as $iDefinition) {
+            if ($processed->contains($iDefinition)) {
+                continue;
+            }
+            $processed->offsetSet($iDefinition);
+
+            if (!$this->hasReference($id, $iDefinition->getMethodCalls())) {
+                continue;
+            }
+
+            if ($iDefinition->getMethodCalls()) {
+                $code .= $this->addServiceMethodCalls(null, $iDefinition, (string) $this->definitionVariables->offsetGet($iDefinition));
+            }
+            if ($iDefinition->getConfigurator()) {
+                $code .= $this->addServiceConfigurator(null, $iDefinition, (string) $this->definitionVariables->offsetGet($iDefinition));
+            }
+        }
+
+        if ('' !== $code) {
+            $code .= "\n";
+        }
+
+        return $code;
+    }
+
+    /**
+     * Adds configurator definition
+     *
+     * @param string $id
+     * @param Definition $definition
+     * @param string $variableName
+     * @return string
+     */
+    private function addServiceConfigurator($id, $definition, $variableName = 'instance')
+    {
+        if (!$callable = $definition->getConfigurator()) {
+            return '';
+        }
+
+        if (is_array($callable)) {
+            if (is_object($callable[0]) && $callable[0] instanceof Reference) {
+                return sprintf("        %s->%s(\$%s);\n", $this->getServiceCall((string) $callable[0]), $callable[1], $variableName);
+            }
+
+            return sprintf("        call_user_func(array(%s, '%s'), \$%s);\n", $this->dumpValue($callable[0]), $callable[1], $variableName);
+        }
+
+        return sprintf("        %s(\$%s);\n", $callable, $variableName);
+    }
+
+    /**
+     * Adds a service
+     *
+     * @param string $id
+     * @param Definition $definition
+     * @return string
+     */
+    private function addService($id, $definition)
+    {
+        $name = Container::camelize($id);
+        $this->definitionVariables = new \SplObjectStorage();
+        $this->referenceVariables = array();
+        $this->variableCount = 0;
+
+        $return = '';
+        if ($definition->isSynthetic()) {
+            $return = sprintf('@throws \RuntimeException always since this service is expected to be injected dynamically');
+        } elseif ($class = $definition->getClass()) {
+            $return = sprintf("@return %s A %s instance.", 0 === strpos($class, '%') ? 'Object' : $class, $class);
+        } elseif ($definition->getFactoryClass()) {
+            $return = sprintf('@return Object An instance returned by %s::%s().', $definition->getFactoryClass(), $definition->getFactoryMethod());
+        } elseif ($definition->getFactoryService()) {
+            $return = sprintf('@return Object An instance returned by %s::%s().', $definition->getFactoryService(), $definition->getFactoryMethod());
+        }
+
+        $doc = '';
+        if (ContainerInterface::SCOPE_PROTOTYPE !== $definition->getScope()) {
+            $doc .= <<<EOF
+
+     *
+     * This service is shared.
+     * This method always returns the same instance of the service.
+EOF;
+        }
+
+        if (!$definition->isPublic()) {
+            $doc .= <<<EOF
+
+     *
+     * This service is private.
+     * If you want to be able to request this service from the container directly,
+     * make it public, otherwise you might end up with broken code.
+EOF;
+        }
+
+        $code = <<<EOF
+
+    /**
+     * Gets the '$id' service.$doc
+     *
+     * $return
+     */
+    protected function get{$name}Service()
+    {
+
+EOF;
+
+        $scope = $definition->getScope();
+        if (ContainerInterface::SCOPE_CONTAINER !== $scope && ContainerInterface::SCOPE_PROTOTYPE !== $scope) {
+            $code .= <<<EOF
+        if (!isset(\$this->scopedServices['$scope'])) {
+            throw new InactiveScopeException('$id', '$scope');
+        }
+
+
+EOF;
+        }
+
+        if ($definition->isSynthetic()) {
+            $code .= sprintf("        throw new \RuntimeException('You have requested a synthetic service (\"%s\"). The DIC does not know how to construct this service.');\n    }\n", $id);
+        } else {
+            $code .=
+                $this->addServiceInclude($id, $definition).
+                $this->addServiceLocalTempVariables($id, $definition).
+                $this->addServiceInlinedDefinitions($id, $definition).
+                $this->addServiceInstance($id, $definition).
+                $this->addServiceInlinedDefinitionsSetup($id, $definition).
+                $this->addServiceMethodCalls($id, $definition).
+                $this->addServiceProperties($id, $definition).
+                $this->addServiceConfigurator($id, $definition).
+                $this->addServiceReturn($id, $definition)
+            ;
+        }
+
+        $this->definitionVariables = null;
+        $this->referenceVariables = null;
+
+        return $code;
+    }
+
+    /**
+     * Adds a service alias.
+     *
+     * @param string $alias
+     * @param string $id
+     * @return string
+     */
+    private function addServiceAlias($alias, $id)
+    {
+        $name = Container::camelize($alias);
+        $type = 'Object';
+
+        if ($this->container->hasDefinition($id)) {
+            $class = $this->container->getDefinition($id)->getClass();
+            $type = 0 === strpos($class, '%') ? 'Object' : $class;
+        }
+
+        return <<<EOF
+
+    /**
+     * Gets the $alias service alias.
+     *
+     * @return $type An instance of the $id service
+     */
+    protected function get{$name}Service()
+    {
+        return {$this->getServiceCall($id)};
+    }
+
+EOF;
+    }
+
+    /**
+     * Adds multiple services
+     *
+     * @return string
+     */
+    private function addServices()
+    {
+        $publicServices = $privateServices = $aliasServices = '';
+        $definitions = $this->container->getDefinitions();
+        ksort($definitions);
+        foreach ($definitions as $id => $definition) {
+            if ($definition->isPublic()) {
+                $publicServices .= $this->addService($id, $definition);
+            } else {
+                $privateServices .= $this->addService($id, $definition);
+            }
+        }
+
+        $aliases = $this->container->getAliases();
+        ksort($aliases);
+        foreach ($aliases as $alias => $id) {
+            $aliasServices .= $this->addServiceAlias($alias, $id);
+        }
+
+        return $publicServices.$aliasServices.$privateServices;
+    }
+
+    /**
+     * Adds the class headers.
+     *
+     * @param string $class Class name
+     * @param string $baseClass The name of the base class
+     * @return string
+     */
+    private function startClass($class, $baseClass)
+    {
+        $bagClass = $this->container->isFrozen() ? 'use Symfony\Component\DependencyInjection\ParameterBag\FrozenParameterBag;' : 'use Symfony\Component\DependencyInjection\ParameterBag\\ParameterBag;';
+
+        return <<<EOF
+<?php
+
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\DependencyInjection\Container;
+use Symfony\Component\DependencyInjection\Exception\InactiveScopeException;
+use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\DependencyInjection\Parameter;
+$bagClass
+
+/**
+ * $class
+ *
+ * This class has been auto-generated
+ * by the Symfony Dependency Injection Component.
+ */
+class $class extends $baseClass
+{
+EOF;
+    }
+
+    /**
+     * Adds the constructor.
+     *
+     * @return string
+     */
+    private function addConstructor()
+    {
+        $code = <<<EOF
+
+    /**
+     * Constructor.
+     */
+    public function __construct()
+    {
+        parent::__construct(new ParameterBag(\$this->getDefaultParameters()));
+
+EOF;
+
+        if (count($scopes = $this->container->getScopes()) > 0) {
+            $code .= "\n";
+            $code .= "        \$this->scopes = ".$this->dumpValue($scopes).";\n";
+            $code .= "        \$this->scopeChildren = ".$this->dumpValue($this->container->getScopeChildren()).";\n";
+        }
+
+        $code .= <<<EOF
+    }
+
+EOF;
+
+        return $code;
+    }
+
+    /**
+     * Adds the constructor for a frozen container.
+     *
+     * @return string
+     */
+    private function addFrozenConstructor()
+    {
+        $code = <<<EOF
+
+    /**
+     * Constructor.
+     */
+    public function __construct()
+    {
+        \$this->parameters = \$this->getDefaultParameters();
+
+        \$this->services =
+        \$this->scopedServices =
+        \$this->scopeStacks = array();
+
+        \$this->set('service_container', \$this);
+
+EOF;
+
+        $code .= "\n";
+        if (count($scopes = $this->container->getScopes()) > 0) {
+            $code .= "        \$this->scopes = ".$this->dumpValue($scopes).";\n";
+            $code .= "        \$this->scopeChildren = ".$this->dumpValue($this->container->getScopeChildren()).";\n";
+        } else {
+            $code .= "        \$this->scopes = array();\n";
+            $code .= "        \$this->scopeChildren = array();\n";
+        }
+
+        $code .= <<<EOF
+    }
+
+EOF;
+
+        return $code;
+    }
+
+    /**
+     * Adds default parameters method.
+     *
+     * @return string
+     */
+    private function addDefaultParametersMethod()
+    {
+        if (!$this->container->getParameterBag()->all()) {
+            return '';
+        }
+
+        $parameters = $this->exportParameters($this->container->getParameterBag()->all());
+
+        $code = '';
+        if ($this->container->isFrozen()) {
+            $code .= <<<EOF
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getParameter(\$name)
+    {
+        \$name = strtolower(\$name);
+
+        if (!array_key_exists(\$name, \$this->parameters)) {
+            throw new \InvalidArgumentException(sprintf('The parameter "%s" must be defined.', \$name));
+        }
+
+        return \$this->parameters[\$name];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function hasParameter(\$name)
+    {
+        return array_key_exists(strtolower(\$name), \$this->parameters);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setParameter(\$name, \$value)
+    {
+        throw new \LogicException('Impossible to call set() on a frozen ParameterBag.');
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getParameterBag()
+    {
+        if (null === \$this->parameterBag) {
+            \$this->parameterBag = new FrozenParameterBag(\$this->parameters);
+        }
+
+        return \$this->parameterBag;
+    }
+EOF;
+        }
+
+        $code .= <<<EOF
+
+    /**
+     * Gets the default parameters.
+     *
+     * @return array An array of the default parameters
+     */
+    protected function getDefaultParameters()
+    {
+        return $parameters;
+    }
+
+EOF;
+
+        return $code;
+    }
+
+    /**
+     * Exports parameters.
+     *
+     * @param array $parameters
+     * @param string $path
+     * @param integer $indent
+     * @return string
+     */
+    private function exportParameters($parameters, $path = '', $indent = 12)
+    {
+        $php = array();
+        foreach ($parameters as $key => $value) {
+            if (is_array($value)) {
+                $value = $this->exportParameters($value, $path.'/'.$key, $indent + 4);
+            } elseif ($value instanceof Variable) {
+                throw new \InvalidArgumentException(sprintf('You cannot dump a container with parameters that contain variable references. Variable "%s" found in "%s".', $value, $path.'/'.$key));
+            } elseif ($value instanceof Definition) {
+                throw new \InvalidArgumentException(sprintf('You cannot dump a container with parameters that contain service definitions. Definition for "%s" found in "%s".', $value->getClass(), $path.'/'.$key));
+            } elseif ($value instanceof Reference) {
+                throw new \InvalidArgumentException(sprintf('You cannot dump a container with parameters that contain references to other services (reference to service "%s" found in "%s").', $value, $path.'/'.$key));
+            } else {
+                $value = var_export($value, true);
+            }
+
+            $php[] = sprintf('%s%s => %s,', str_repeat(' ', $indent), var_export($key, true), $value);
+        }
+
+        return sprintf("array(\n%s\n%s)", implode("\n", $php), str_repeat(' ', $indent - 4));
+    }
+
+    /**
+     * Ends the class definition.
+     *
+     * @return string
+     */
+    private function endClass()
+    {
+        return <<<EOF
+}
+
+EOF;
+    }
+
+    /**
+     * Wraps the service conditionals.
+     *
+     * @param string $value
+     * @param string $code
+     * @return string
+     */
+    private function wrapServiceConditionals($value, $code)
+    {
+        if (!$services = ContainerBuilder::getServiceConditionals($value)) {
+            return $code;
+        }
+
+        $conditions = array();
+        foreach ($services as $service) {
+            $conditions[] = sprintf("\$this->has('%s')", $service);
+        }
+
+        // re-indent the wrapped code
+        $code = implode("\n", array_map(function ($line) { return $line ? '    '.$line : $line; }, explode("\n", $code)));
+
+        return sprintf("        if (%s) {\n%s        }\n", implode(' && ', $conditions), $code);
+    }
+
+    /**
+     * Builds service calls from arguments
+     *
+     * @param array  $arguments
+     * @param string $calls    By reference
+     * @param string $behavior By reference
+     * @return void
+     */
+    private function getServiceCallsFromArguments(array $arguments, array &$calls, array &$behavior)
+    {
+        foreach ($arguments as $argument) {
+            if (is_array($argument)) {
+                $this->getServiceCallsFromArguments($argument, $calls, $behavior);
+            } else if ($argument instanceof Reference) {
+                $id = (string) $argument;
+
+                if (!isset($calls[$id])) {
+                    $calls[$id] = 0;
+                }
+                if (!isset($behavior[$id])) {
+                    $behavior[$id] = $argument->getInvalidBehavior();
+                } else if (ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE !== $behavior[$id]) {
+                    $behavior[$id] = $argument->getInvalidBehavior();
+                }
+
+                $calls[$id] += 1;
+            }
+        }
+    }
+
+    /**
+     * Returns the inline definition
+     *
+     * @param Definition $definition
+     * @return array
+     */
+    private function getInlinedDefinitions(Definition $definition)
+    {
+        if (false === $this->inlinedDefinitions->contains($definition)) {
+            $definitions = array_merge(
+                $this->getDefinitionsFromArguments($definition->getArguments()),
+                $this->getDefinitionsFromArguments($definition->getMethodCalls()),
+                $this->getDefinitionsFromArguments($definition->getProperties())
+            );
+
+            $this->inlinedDefinitions->offsetSet($definition, $definitions);
+
+            return $definitions;
+        }
+
+        return $this->inlinedDefinitions->offsetGet($definition);
+    }
+
+    /**
+     * Gets the definition from arguments
+     *
+     * @param array $arguments
+     * @return array
+     */
+    private function getDefinitionsFromArguments(array $arguments)
+    {
+        $definitions = array();
+        foreach ($arguments as $argument) {
+            if (is_array($argument)) {
+                $definitions = array_merge($definitions, $this->getDefinitionsFromArguments($argument));
+            } else if ($argument instanceof Definition) {
+                $definitions = array_merge(
+                    $definitions,
+                    $this->getInlinedDefinitions($argument),
+                    array($argument)
+                );
+            }
+        }
+
+        return $definitions;
+    }
+
+    /**
+     * Checks if a service id has a reference
+     *
+     * @param string $id
+     * @param array $arguments
+     * @return Boolean
+     */
+    private function hasReference($id, array $arguments)
+    {
+        foreach ($arguments as $argument) {
+            if (is_array($argument)) {
+                if ($this->hasReference($id, $argument)) {
+                    return true;
+                }
+            } else if ($argument instanceof Reference) {
+                if ($id === (string) $argument) {
+                    return true;
+                }
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Dumps values.
+     *
+     * @param array $value
+     * @param Boolean $interpolate
+     * @return string
+     */
+    private function dumpValue($value, $interpolate = true)
+    {
+        if (is_array($value)) {
+            $code = array();
+            foreach ($value as $k => $v) {
+                $code[] = sprintf('%s => %s', $this->dumpValue($k, $interpolate), $this->dumpValue($v, $interpolate));
+            }
+
+            return sprintf('array(%s)', implode(', ', $code));
+        } elseif (is_object($value) && $value instanceof Definition) {
+            if (null !== $this->definitionVariables && $this->definitionVariables->contains($value)) {
+                return $this->dumpValue($this->definitionVariables->offsetGet($value), $interpolate);
+            }
+            if (count($value->getMethodCalls()) > 0) {
+                throw new \RuntimeException('Cannot dump definitions which have method calls.');
+            }
+            if (null !== $value->getConfigurator()) {
+                throw new \RuntimeException('Cannot dump definitions which have a configurator.');
+            }
+
+            $arguments = array();
+            foreach ($value->getArguments() as $argument) {
+                $arguments[] = $this->dumpValue($argument);
+            }
+            $class = $this->dumpValue($value->getClass());
+
+            if (false !== strpos($class, '$')) {
+                throw new \RuntimeException('Cannot dump definitions which have a variable class name.');
+            }
+
+            if (null !== $value->getFactoryMethod()) {
+                if (null !== $value->getFactoryClass()) {
+                    return sprintf("call_user_func(array(%s, '%s')%s)", $this->dumpValue($value->getFactoryClass()), $value->getFactoryMethod(), count($arguments) > 0 ? ', '.implode(', ', $arguments) : '');
+                } elseif (null !== $value->getFactoryService()) {
+                    return sprintf("%s->%s(%s)", $this->getServiceCall($value->getFactoryService()), $value->getFactoryMethod(), implode(', ', $arguments));
+                } else {
+                    throw new \RuntimeException('Cannot dump definitions which have factory method without factory service or factory class.');
+                }
+            }
+
+            return sprintf("new \\%s(%s)", substr(str_replace('\\\\', '\\', $class), 1, -1), implode(', ', $arguments));
+        } elseif (is_object($value) && $value instanceof Variable) {
+            return '$'.$value;
+        } elseif (is_object($value) && $value instanceof Reference) {
+            if (null !== $this->referenceVariables && isset($this->referenceVariables[$id = (string) $value])) {
+                return $this->dumpValue($this->referenceVariables[$id], $interpolate);
+            }
+
+            return $this->getServiceCall((string) $value, $value);
+        } elseif (is_object($value) && $value instanceof Parameter) {
+            return $this->dumpParameter($value);
+        } elseif (true === $interpolate && is_string($value)) {
+            if (preg_match('/^%([^%]+)%$/', $value, $match)) {
+                // we do this to deal with non string values (Boolean, integer, ...)
+                // the preg_replace_callback converts them to strings
+                return $this->dumpParameter(strtolower($match[1]));
+            } else {
+                $that = $this;
+                $replaceParameters = function ($match) use ($that)
+                {
+                    return "'.".$that->dumpParameter(strtolower($match[2])).".'";
+                };
+
+                $code = str_replace('%%', '%', preg_replace_callback('/(?<!%)(%)([^%]+)\1/', $replaceParameters, var_export($value, true)));
+
+                // optimize string
+                $code = preg_replace(array("/^''\./", "/\.''$/", "/'\.'/", "/\.''\./"), array('', '', '', '.'), $code);
+
+                return $code;
+            }
+        } elseif (is_object($value) || is_resource($value)) {
+            throw new \RuntimeException('Unable to dump a service container if a parameter is an object or a resource.');
+        } else {
+            return var_export($value, true);
+        }
+    }
+
+    /**
+     * Dumps a parameter
+     *
+     * @param string $name
+     * @return string
+     */
+    public function dumpParameter($name)
+    {
+        if ($this->container->isFrozen() && $this->container->hasParameter($name)) {
+            return $this->dumpValue($this->container->getParameter($name), false);
+        }
+
+        return sprintf("\$this->getParameter('%s')", strtolower($name));
+    }
+
+    /**
+     * Gets a service call
+     *
+     * @param string    $id
+     * @param Reference $reference
+     * @return string
+     */
+    private function getServiceCall($id, Reference $reference = null)
+    {
+        if ('service_container' === $id) {
+            return '$this';
+        }
+
+        if (null !== $reference && ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE !== $reference->getInvalidBehavior()) {
+            return sprintf('$this->get(\'%s\', ContainerInterface::NULL_ON_INVALID_REFERENCE)', $id);
+        } else {
+            if ($this->container->hasAlias($id)) {
+                $id = (string) $this->container->getAlias($id);
+            }
+
+            return sprintf('$this->get(\'%s\')', $id);
+        }
+    }
+
+    /**
+     * Returns the next name to use
+     *
+     * @return string
+     */
+    private function getNextVariableName()
+    {
+        $firstChars = self::FIRST_CHARS;
+        $firstCharsLength = strlen($firstChars);
+        $nonFirstChars = self::NON_FIRST_CHARS;
+        $nonFirstCharsLength = strlen($nonFirstChars);
+
+        while (true) {
+            $name = '';
+            $i = $this->variableCount;
+
+            if ('' === $name) {
+                $name .= $firstChars[$i%$firstCharsLength];
+                $i = intval($i/$firstCharsLength);
+            }
+
+            while ($i > 0) {
+                $i -= 1;
+                $name .= $nonFirstChars[$i%$nonFirstCharsLength];
+                $i = intval($i/$nonFirstCharsLength);
+            }
+
+            $this->variableCount += 1;
+
+            // check that the name is not reserved
+            if (in_array($name, $this->reservedVariables, true)) {
+                continue;
+            }
+
+            return $name;
+        }
+    }
+}