/*
 * Copyright 2007-2017 Charles du Jeu - Abstrium SAS <team (at) pyd.io>
 * This file is part of Pydio.
 *
 * Pydio is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Pydio 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
 * along with Pydio.  If not, see <http://www.gnu.org/licenses/>.
 *
 * The latest code can be found at <https://pydio.com>.
 */


export const parseString = str => str.replace(/\\(.)/g, (_, ch) => (ch === "n" ? "\n" : (ch === "r" ? "\r" : ch)))

export const parseQuery = query => {

    var isRE = query.match(/^\/(.*)\/([a-z]*)$/);
    if (isRE) {
        try {
            query = new RegExp(isRE[1], isRE[2].indexOf("i") == -1 ? "" : "i");
        } catch(e) {

        } // Not a regular expression after all, do a string search
    } else {
        query = parseString(query)
    }
    if (typeof query == "string" ? query == "" : query.test("")) query = /x^/;

    return query;
}