UnicodeBinder.java

/*
 * Created by LuaView.
 * Copyright (c) 2017, Alibaba Group. All rights reserved.
 *
 * This source code is licensed under the MIT.
 * For the full copyright and license information,please view the LICENSE file in the root directory of this source tree.
 */

package com.taobao.luaview.fun.binder.kit;

import com.taobao.luaview.fun.base.BaseFunctionBinder;
import com.taobao.luaview.fun.base.BaseVarArgCreator;
import com.taobao.luaview.userdata.kit.UDUnicode;

import org.luaj.vm2.Globals;
import org.luaj.vm2.LuaValue;
import org.luaj.vm2.Varargs;
import org.luaj.vm2.lib.LibFunction;

/**
 * Unicode 接口封装
 *
 * @author song
 * @date 15/8/21
 */
public class UnicodeBinder extends BaseFunctionBinder {

    public UnicodeBinder() {
        super("Unicode");
    }

    @Override
    public Class<? extends LibFunction> getMapperClass() {
        return null;
    }

    @Override
    public LuaValue createCreator(LuaValue env, final LuaValue metaTable) {
        return new BaseVarArgCreator(env.checkglobals(), metaTable, getMapperClass()) {
            @Override
            public LuaValue createUserdata(Globals globals, LuaValue metaTable, Varargs varargs) {
                return new UDUnicode(globals, metaTable, varargs).getUnicode();//直接返回一个string，而不是对象，这样就可以在代码中直接加了
            }
        };
    }
}