1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef FOUNDATION_ACE_FRAMEWORKS_BASE_UTILS_STRING_EXPRESSION_H 17 #define FOUNDATION_ACE_FRAMEWORKS_BASE_UTILS_STRING_EXPRESSION_H 18 19 #include <functional> 20 #include <map> 21 #include <string> 22 #include <vector> 23 24 #include "base/geometry/dimension.h" 25 26 namespace OHOS::Ace::StringExpression { 27 28 void InitMapping(std::map<std::string, int>& mapping); 29 30 std::vector<std::string> ConvertDal2Rpn(std::string formula); 31 32 double CalculateExp(const std::string& expression, const std::function<double(const Dimension&)>& calcFunc); 33 34 } // namespace OHOS::Ace::StringExpression 35 36 #endif // FOUNDATION_ACE_FRAMEWORKS_BASE_UTILS_STRING_EXPRESSION_H