LuaHelper.java

/*
 * Copyright 2016 Nathan Howard
 * 
 * This file is part of OpenGrave
 * 
 * OpenGrave 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.
 * 
 * OpenGrave 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 OpenGrave. If not, see <http://www.gnu.org/licenses/>.
 */
package com.opengrave.common.luahelper;

import org.luaj.vm2.LuaTable;
import org.luaj.vm2.LuaValue;
import org.luaj.vm2.Varargs;

public class LuaHelper {
	public static void loopThrough(LuaTable tab, LoopCallback lc) {
		LuaValue k = LuaValue.NIL;
		while (true) {
			Varargs n = tab.next(k);
			if ((k = n.arg1()).isnil()) {
				break;
			}
			LuaValue v = n.arg(2);
			String key = k.toString();
			lc.loopIter(key, v);
		}
	}
}