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<?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);
	}
}