<?php declare(strict_types=1);

/*
 *     Copyleft (C) 2017  http://sikofitt.com sikofitt@gmail.com
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

namespace Sikofitt\Config\Loader;

use Symfony\Component\Config\Loader\FileLoader;
use Symfony\Component\Yaml\Yaml;

class YamlFileLoader extends FileLoader
{
    /**
     * Loads a resource.
     *
     * @param mixed $resource The resource
     * @param string|null $type The resource type or null if unknown
     *
     * @throws \Exception If something went wrong
     * @return mixed
     */
    public function load($resource, $type = null)
    {
        return Yaml::parse(file_get_contents($resource));
    }

    /**
     * Returns whether this class supports the given resource.
     *
     * @param mixed $resource A resource
     * @param string|null $type The resource type or null if unknown
     *
     * @return bool True if this class supports the given resource, false otherwise
     */
    public function supports($resource, $type = null)
    {
        return
          is_string($resource) &&
          in_array(pathinfo($resource, PATHINFO_EXTENSION), ['yaml', 'yml'], true);
    }
}