[feature/compiled-dic] Compile the DI Container into a cached class

PHPBB3-11152

phpBB/includes/di/extension/core.php

@@ -0,0 +1,76 @@
+<?php
+/**
+*
+* @package phpBB3
+* @copyright (c) 2012 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('IN_PHPBB'))
+{
+	exit;
+}
+
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\HttpKernel\DependencyInjection\Extension;
+use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
+use Symfony\Component\Config\FileLocator;
+
+/**
+* Container core extension
+*/
+class phpbb_di_extension_core extends Extension
+{
+	/**
+	* phpBB Root path
+	* @var string
+	*/
+	protected $phpbb_root_path;
+
+	/**
+	* Constructor
+	*
+	* @param string $phpbb_root_path Root path
+	*/
+	public function __construct($phpbb_root_path)
+	{
+		$this->phpbb_root_path = $phpbb_root_path;
+	}
+
+	/**
+	* Loads a specific configuration.
+	*
+	* @param array            $config    An array of configuration values
+	* @param ContainerBuilder $container A ContainerBuilder instance
+	*
+	* @throws InvalidArgumentException When provided tag is not defined in this extension
+	*
+	* @api
+	*/
+	public function load(array $config, ContainerBuilder $container)
+	{
+		if (file_exists($this->phpbb_root_path . 'config/services.yml'))
+		{
+			$loader = new YamlFileLoader($container, new FileLocator(realpath($this->phpbb_root_path . 'config')));
+			$loader->load('services.yml');
+		}
+	}
+
+	/**
+	* Returns the recommended alias to use in XML.
+	*
+	* This alias is also the mandatory prefix to use when using YAML.
+	*
+	* @return string The alias
+	*
+	* @api
+	*/
+	public function getAlias()
+	{
+		return 'core';
+	}
+}