SpannableStringMethodMapper.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.mapper.ui;

import com.taobao.luaview.fun.base.BaseMethodMapper;
import com.taobao.luaview.fun.mapper.LuaViewLib;
import com.taobao.luaview.userdata.ui.UDSpannableString;

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

import java.util.List;

/**
 * SpannableString 接口封装
 *
 * @author song
 * @date 15/8/21
 */
@LuaViewLib(revisions = {"20170306已对标", "待沟通，支持lineSpace、charSpace"})
public class SpannableStringMethodMapper<U extends UDSpannableString> extends BaseMethodMapper<U> {

    private static final String TAG = "SpannableStringMethodMapper";
    private static final String[] sMethods = new String[]{
            "append"//0
    };

    @Override
    public List<String> getAllFunctionNames() {
        return mergeFunctionNames(TAG, super.getAllFunctionNames(), sMethods);
    }

    @Override
    public Varargs invoke(int code, U target, Varargs varargs) {
        final int optcode = code - super.getAllFunctionNames().size();
        switch (optcode) {
            case 0:
                return append(target, varargs);
        }
        return super.invoke(code, target, varargs);
    }

    //--------------------------------------- API --------------------------------------------------

    /**
     * 新增一段内容
     *
     * @param ssb
     * @param varargs
     * @return
     */
    public LuaValue append(U ssb, Varargs varargs) {
        LuaValue ssb2 = varargs.optvalue(2, null);
        return ssb.append(ssb2);
    }

}