owncloud/core

<?php
/**
 * @author Jörn Friedrich Dreyer <jfd@butonic.de>
 * @author Morris Jobke <hey@morrisjobke.de>
 * @author Robin Appelman <icewind@owncloud.com>
 * @author Thomas Müller <thomas.mueller@tmit.eu>
 *
 * @copyright Copyright (c) 2018, ownCloud GmbH
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OC\Files\Stream;

class Dir {
    private static $dirs = [];
    private $name;
    private $index;

    public function dir_opendir($path, $options) {
        $this->name = \substr($path, \strlen('fakedir://'));
        $this->index = 0;
        if (!isset(self::$dirs[$this->name])) {
            self::$dirs[$this->name] = [];
        }
        return true;
    }

    public function dir_readdir() {
        if ($this->index >= \count(self::$dirs[$this->name])) {
            return false;
        }
        $filename = self::$dirs[$this->name][$this->index];
        $this->index++;
        return $filename;
    }

    public function dir_closedir() {
        $this->name = '';
        return true;
    }

    public function dir_rewinddir() {
        $this->index = 0;
        return true;
    }

    /**
     * @param string $path
     * @param string[] $content
     */
    public static function register($path, $content) {
        self::$dirs[$path] = $content;
    }
}