content: /*
   * 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);
      }
  
  }
  