1 files changed, 138 insertions, 0 deletions
diff --git a/phpBB/phpbb/extension/di/extension_base.php b/phpBB/phpbb/extension/di/extension_base.php
new file mode 100644
index 0000000000..ba74615e70
--- /dev/null
+++ b/phpBB/phpbb/extension/di/extension_base.php
@@ -0,0 +1,138 @@
+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+namespace phpbb\extension\di;
+
+use Symfony\Component\Config\FileLocator;
+use Symfony\Component\Config\Resource\FileResource;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
+use Symfony\Component\HttpKernel\DependencyInjection\Extension;
+
+/**
+ * Container core extension
+ */
+class extension_base extends Extension
+{
+	/**
+	 * Name of the extension (vendor/name)
+	 *
+	 * @var string
+	 */
+	protected $extension_name;
+
+	/**
+	 * Path to the extension.
+	 *
+	 * @var string
+	 */
+	protected $ext_path;
+
+	/**
+	 * Constructor
+	 *
+	 * @param string $extension_name Name of the extension (vendor/name)
+	 * @param string $ext_path       Path to the extension
+	 */
+	public function __construct($extension_name, $ext_path)
+	{
+		$this->extension_name = $extension_name;
+		$this->ext_path = $ext_path;
+	}
+
+	/**
+	 * Loads a specific configuration.
+	 *
+	 * @param array            $configs   An array of configuration values
+	 * @param ContainerBuilder $container A ContainerBuilder instance
+	 *
+	 * @throws \InvalidArgumentException When provided tag is not defined in this extension
+	 */
+	public function load(array $configs, ContainerBuilder $container)
+	{
+		$this->load_services($container);
+	}
+
+	/**
+	 * Loads the services.yml file.
+	 *
+	 * @param ContainerBuilder $container A ContainerBuilder instance
+	 */
+	protected function load_services(ContainerBuilder $container)
+	{
+		$services_directory = false;
+		$services_file = false;
+
+		if (file_exists($this->ext_path . 'config/' . $container->getParameter('core.environment') . '/container/environment.yml'))
+		{
+			$services_directory = $this->ext_path . 'config/' . $container->getParameter('core.environment') . '/container/';
+			$services_file = 'environment.yml';
+		}
+		else if (!is_dir($this->ext_path . 'config/' . $container->getParameter('core.environment')))
+		{
+			if (file_exists($this->ext_path . 'config/default/container/environment.yml'))
+			{
+				$services_directory = $this->ext_path . 'config/default/container/';
+				$services_file = 'environment.yml';
+			}
+			else if (!is_dir($this->ext_path . 'config/default') && file_exists($this->ext_path . '/config/services.yml'))
+			{
+				$services_directory = $this->ext_path . 'config';
+				$services_file = 'services.yml';
+			}
+		}
+
+		if ($services_directory && $services_file)
+		{
+			$filesystem = new \phpbb\filesystem\filesystem();
+			$loader = new YamlFileLoader($container, new FileLocator($filesystem->realpath($services_directory)));
+			$loader->load($services_file);
+		}
+	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function getConfiguration(array $config, ContainerBuilder $container)
+	{
+		$reflected = new \ReflectionClass($this);
+		$namespace = $reflected->getNamespaceName();
+
+		$class = $namespace . '\\di\configuration';
+		if (class_exists($class))
+		{
+			$r = new \ReflectionClass($class);
+			$container->addResource(new FileResource($r->getFileName()));
+
+			if (!method_exists($class, '__construct'))
+			{
+				$configuration = new $class();
+
+				return $configuration;
+			}
+		}
+
+	}
+
+	/**
+	 * Returns the recommended alias to use in XML.
+	 *
+	 * This alias is also the mandatory prefix to use when using YAML.
+	 *
+	 * @return string The alias
+	 */
+	public function getAlias()
+	{
+		return str_replace('/', '_', $this->extension_name);
+	}
+}