content: /**
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.weex.el.parse;
  
  
  /**
   * Created by jianbai.gbj on 2017/8/28.
   * one operator, two operator, and three operator
   */
  class Operator extends Token {
      public Token self;
      public Token first;
      public Token second;
  
      public Operator(String operator, int type) {
          super(operator, type);
      }
  
  
      @Override
      public Object execute(Object context){
          String op = getToken();
          switch (op){
              case  Operators.DOT_STR:
              case  Operators.ARRAY_START_STR:{
                  return  Operators.dot(first, second, context);
              }
              case  Operators.EQUAL:
              case  Operators.EQUAL2:{
                  return Operators.isEquals(first, second, context);
              }
              case  Operators.NOT_EQUAL:
              case  Operators.NOT_EQUAL2:{
                  return !Operators.isEquals(first, second, context);
              }
              case  Operators.CONDITION_IF_STRING:{
                  return Operators.condition(self, first, second, context);
              }
              case  Operators.AND_NOT:{
                  return  !Operators.tokenTrue(self, context);
              }
              case  Operators.AND:{
                  return  Operators.tokenTrue(first, context) && Operators.tokenTrue(second, context);
              }
              case  Operators.OR:{
                  return  Operators.tokenTrue(first, context) || Operators.tokenTrue(second, context);
              }
              case  Operators.G:{
                  return  Operators.tokenNumber(first, context) > Operators.tokenNumber(second, context);
              }
              case  Operators.GE:{
                  return  Operators.tokenNumber(first, context) >= Operators.tokenNumber(second, context);
              }
              case  Operators.L:{
                  return  Operators.tokenNumber(first, context) < Operators.tokenNumber(second, context);
              }
              case  Operators.LE:{
                  return  Operators.tokenNumber(first, context) <= Operators.tokenNumber(second, context);
              }
              case  Operators.PLUS:{
                  return  Operators.plus(first, second, context);
              }
              case  Operators.SUB:{
                  return  Operators.sub(first, second, context);
              }
              case  Operators.MUL:{
                  return  Operators.mul(first, second, context);
              }
              case  Operators.DIV:{
                  return  Operators.div(first, second, context);
              }
              case  Operators.MOD:{
                  return  Operators.mod(first, second, context);
              }
              default:
                  throw new IllegalArgumentException(op + " operator is not supported");
          }
      }
  
      @Override
      public String toString() {
          if(Operators.AND_NOT.equals(getToken())){
              return "{!" +  self + "}";
          }
          if(self == null){
              return "{" + first +  getToken() + second + "}";
          }
          return "{" + self + getToken() + first + ":" + second + "}";
      }
  }
  