1 /* 2 * Copyright (c) 2023 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_PARSER_H 17 # define JSON_PARSER_H 18 19 #include <cstdint> 20 #include <cmath> 21 #include <string> 22 23 #include "cJSON.h" 24 namespace OHOS { 25 namespace Msdp { 26 namespace DeviceStatus { 27 class JsonParser { 28 public: 29 explicit JsonParser(const char *jsonStr); 30 ~JsonParser(); 31 JsonParser(const JsonParser&) = delete; 32 JsonParser& operator=(const JsonParser&) = delete; 33 JsonParser(JsonParser&& other) noexcept; 34 JsonParser& operator=(JsonParser&& other) noexcept; 35 const cJSON* Get() const; 36 37 private: 38 cJSON* json_ { nullptr }; 39 40 private: 41 static bool IsInteger(const cJSON *json); 42 43 public: 44 static int32_t ParseInt32(const cJSON *json, const std::string &key, int32_t &value); 45 static int32_t ParseString(const cJSON *json, const std::string &key, std::string &value); 46 static int32_t ParseBool(const cJSON *json, const std::string &key, bool &value); 47 static int32_t ParseStringArray(const cJSON *json, const std::string &key, std::vector<std::string> &value, 48 int32_t maxSize); 49 }; 50 } // namespace DeviceStatus 51 } // namespace Msdp 52 } // namespace OHOS 53 # endif //JSON_PARSER_H