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
26namespace OHOS::Ace::StringExpression {
27
28void InitMapping(std::map<std::string, int>& mapping);
29
30bool CheckCalcIsValid(const std::string& formula);
31
32void ReplaceSignNumber(std::string& formula);
33
34std::vector<std::string> ConvertDal2Rpn(std::string formula);
35
36double CalculateExp(const std::string& expression, const std::function<double(const Dimension&)>& calcFunc);
37
38#ifdef ACE_UNITTEST
39bool PushOpStack(const std::string& formula, std::string& curNum, std::vector<std::string>& result,
40    std::vector<std::string>& opStack);
41
42bool CalculateFourOperationsExp(const std::string& exp, const Dimension& num1, const Dimension& num2,
43    const std::function<double(const Dimension&)>& calcFunc, double& opRes);
44bool CalculateExpImpl(const std::vector<std::string>& rpnexp, const std::function<double(const Dimension&)>& calcFunc,
45    std::vector<Dimension>& result, double& opRes);
46#endif
47} // namespace OHOS::Ace::StringExpression
48
49#endif // FOUNDATION_ACE_FRAMEWORKS_BASE_UTILS_STRING_EXPRESSION_H
50