1 /* 2 * Copyright (c) 2025 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 JSON_UTILS_H 17 #define JSON_UTILS_H 18 19 #include <string> 20 #include <map> 21 22 class Json { 23 public: 24 // 代理类，用于设置值 25 class JsonValueProxy { 26 public: 27 JsonValueProxy(Json& parent, const std::string& key); 28 void operator=(const float value); 29 void operator=(const char* value); 30 void operator=(const std::string& value); 31 void operator=(const Json& value); 32 33 private: 34 Json& parent_; 35 std::string key_; 36 }; 37 38 // 重载operator[]以返回代理对象 39 JsonValueProxy operator[](const std::string& key); 40 41 // 设置浮点值 42 void Set(const std::string& key, float value); 43 // 设置字符串值 44 void Set(const std::string& key, const std::string& value); 45 // 设置const char*值 46 void Set(const std::string& key, const char* value); 47 // 设置json值 48 void Set(const std::string& key, const Json& value); 49 50 // 将json对象转成字符串 51 std::string Dump() const; 52 53 // 解析json字符串获取json格式的key和value 54 static std::map<std::string, std::string> Parse(const std::string& jsonStr); 55 56 private: 57 std::map<std::string, std::string> values_; 58 }; 59 60 #endif // JSON_UTILS_H 61