--- /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\Loader\Configurator;
+
+use Symfony\Component\DependencyInjection\Alias;
+use Symfony\Component\DependencyInjection\ChildDefinition;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException;
+use Symfony\Component\DependencyInjection\Loader\PhpFileLoader;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ *
+ * @method InstanceofConfigurator instanceof($fqcn)
+ */
+class ServicesConfigurator extends AbstractConfigurator
+{
+ const FACTORY = 'services';
+
+ private $defaults;
+ private $container;
+ private $loader;
+ private $instanceof;
+
+ public function __construct(ContainerBuilder $container, PhpFileLoader $loader, array &$instanceof)
+ {
+ $this->defaults = new Definition();
+ $this->container = $container;
+ $this->loader = $loader;
+ $this->instanceof = &$instanceof;
+ $instanceof = array();
+ }
+
+ /**
+ * Defines a set of defaults for following service definitions.
+ *
+ * @return DefaultsConfigurator
+ */
+ final public function defaults()
+ {
+ return new DefaultsConfigurator($this, $this->defaults = new Definition());
+ }
+
+ /**
+ * Defines an instanceof-conditional to be applied to following service definitions.
+ *
+ * @param string $fqcn
+ *
+ * @return InstanceofConfigurator
+ */
+ final protected function setInstanceof($fqcn)
+ {
+ $this->instanceof[$fqcn] = $definition = new ChildDefinition('');
+
+ return new InstanceofConfigurator($this, $definition, $fqcn);
+ }
+
+ /**
+ * Registers a service.
+ *
+ * @param string $id
+ * @param string|null $class
+ *
+ * @return ServiceConfigurator
+ */
+ final public function set($id, $class = null)
+ {
+ $defaults = $this->defaults;
+ $allowParent = !$defaults->getChanges() && empty($this->instanceof);
+
+ $definition = new Definition();
+ $definition->setPublic($defaults->isPublic());
+ $definition->setAutowired($defaults->isAutowired());
+ $definition->setAutoconfigured($defaults->isAutoconfigured());
+ $definition->setBindings($defaults->getBindings());
+ $definition->setChanges(array());
+
+ $configurator = new ServiceConfigurator($this->container, $this->instanceof, $allowParent, $this, $definition, $id, $defaults->getTags());
+
+ return null !== $class ? $configurator->class($class) : $configurator;
+ }
+
+ /**
+ * Creates an alias.
+ *
+ * @param string $id
+ * @param string $referencedId
+ *
+ * @return AliasConfigurator
+ */
+ final public function alias($id, $referencedId)
+ {
+ $ref = static::processValue($referencedId, true);
+ $alias = new Alias((string) $ref, $this->defaults->isPublic());
+ $this->container->setAlias($id, $alias);
+
+ return new AliasConfigurator($this, $alias);
+ }
+
+ /**
+ * Registers a PSR-4 namespace using a glob pattern.
+ *
+ * @param string $namespace
+ * @param string $resource
+ *
+ * @return PrototypeConfigurator
+ */
+ final public function load($namespace, $resource)
+ {
+ $allowParent = !$this->defaults->getChanges() && empty($this->instanceof);
+
+ return new PrototypeConfigurator($this, $this->loader, $this->defaults, $namespace, $resource, $allowParent);
+ }
+
+ /**
+ * Gets an already defined service definition.
+ *
+ * @param string $id
+ *
+ * @return ServiceConfigurator
+ *
+ * @throws ServiceNotFoundException if the service definition does not exist
+ */
+ final public function get($id)
+ {
+ $allowParent = !$this->defaults->getChanges() && empty($this->instanceof);
+ $definition = $this->container->getDefinition($id);
+
+ return new ServiceConfigurator($this->container, $definition->getInstanceofConditionals(), $allowParent, $this, $definition, $id, array());
+ }
+
+ /**
+ * Registers a service.
+ *
+ * @param string $id
+ * @param string|null $class
+ *
+ * @return ServiceConfigurator
+ */
+ final public function __invoke($id, $class = null)
+ {
+ return $this->set($id, $class);
+ }
+}