<?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;

use Symfony\Component\DependencyInjection\ContainerBuilder;

use Symfony\Component\Config\Resource\FileResource;

/**

 * IniFileLoader loads parameters from INI files.

 *

 * @author Fabien Potencier <fabien@symfony.com>

 */

class IniFileLoader extends FileLoader

{

    /**

     * Loads a resource.

     *

     * @param mixed  $file     The resource

     * @param string $type     The resource type

     *

     * @throws \InvalidArgumentException When ini file is not valid

     */

    public function load($file, $type = null)

    {

        $path = $this->locator->locate($file);

        $this->container->addResource(new FileResource($path));

        $result = parse_ini_file($path, true);

        if (false === $result || array() === $result) {

            throw new \InvalidArgumentException(sprintf('The "%s" file is not valid.', $file));

        }

        if (isset($result['parameters']) && is_array($result['parameters'])) {

            foreach ($result['parameters'] as $key => $value) {

                $this->container->setParameter($key, $value);

            }

        }

    }

    /**

     * Returns true if this class supports the given resource.

     *

     * @param mixed  $resource A resource

     * @param string $type     The resource type

     *

     * @return Boolean true if this class supports the given resource, false otherwise

     */

    public function supports($resource, $type = null)

    {

        return is_string($resource) && 'ini' === pathinfo($resource, PATHINFO_EXTENSION);

    }

}