1 /* 2 // Copyright (c) 2017 Intel Corporation 3 // Copyright (c) 2022 IBM Corp. 4 // 5 // Licensed under the Apache License, Version 2.0 (the "License"); 6 // you may not use this file except in compliance with the License. 7 // You may obtain a copy of the License at 8 // 9 // http://www.apache.org/licenses/LICENSE-2.0 10 // 11 // Unless required by applicable law or agreed to in writing, software 12 // distributed under the License is distributed on an "AS IS" BASIS, 13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 // See the License for the specific language governing permissions and 15 // limitations under the License. 16 */ 17 18 #pragma once 19 20 #include <optional> 21 #include <string> 22 #include <vector> 23 24 namespace expression 25 { 26 enum class Operation 27 { 28 addition, 29 division, 30 multiplication, 31 subtraction, 32 modulo, 33 }; 34 35 std::optional<Operation> parseOperation(const std::string& op); 36 int evaluate(int a, Operation op, int b); 37 int evaluate(int substitute, std::vector<std::string>::iterator curr, 38 std::vector<std::string>::iterator& end); 39 } // namespace expression 40