/*
 * Verrückte Turing-Maschinen — A turing complete game
 * Copyright (C) 2016-2018 kcf <vidofnir@folksprak.org>
 * 
 * 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 <https://www.gnu.org/licenses/>.
 */

namespace lib_string
	{
		
		/**
		 * @author kcf <vidofnir@folksprak.org>
		 */
		export function indent
			(
				depth : int,
				symbol : string = "\t"
			)
			: string
			{
				return (
					(depth === 0)
					? ""
					: (symbol + indent(depth-1))
				);
			}
		
		
		/**
		 * @author kcf <vidofnir@folksprak.org>
		 */
		export function stance(str : string, vars : {[name : string] : string}) : string
			{
				for (let name in vars)
					{
						let regexp : RegExp = (new RegExp("\\$\{" + name + "\}", "g"));
						str = str.replace(regexp, vars[name]);
					}
				return str;
			}
		
	}