| /** |
| * 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 com.taobao.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 + "}"; |
| }*/ |
| } |