1 /* 2 * Copyright (c) 2022-2023 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 MISCDEVICE_JSON_PARSER_H 17 #define MISCDEVICE_JSON_PARSER_H 18 19 #include <cstdint> 20 #include <string> 21 #include <vector> 22 23 #include "cJSON.h" 24 25 #include "raw_file_descriptor.h" 26 27 namespace OHOS { 28 namespace Sensors { 29 class JsonParser { 30 public: 31 explicit JsonParser(const std::string &filePath); 32 explicit JsonParser(const RawFileDescriptor &rawFd); 33 ~JsonParser(); 34 int32_t ParseJsonArray(cJSON *json, const std::string &key, std::vector<std::string> &vals) const; 35 int32_t ParseJsonArray(const std::string &key, std::vector<std::string> &vals) const; 36 bool HasObjectItem(cJSON *json, const std::string &key) const; 37 bool HasObjectItem(const std::string &key) const; 38 cJSON *GetObjectItem(cJSON *json, const std::string &key) const; 39 cJSON *GetObjectItem(const std::string &key) const; 40 bool IsArray(cJSON *json) const; 41 int32_t GetArraySize(cJSON *json) const; 42 cJSON *GetArrayItem(cJSON *json, int32_t index) const; 43 int32_t GetIntValue(cJSON *json) const; 44 double GetDoubleValue(cJSON *json) const; 45 std::string GetStringValue(cJSON *json) const; 46 47 private: 48 cJSON *cJson_ = nullptr; 49 }; 50 } // namespace Sensors 51 } // namespace OHOS 52 #endif // MISCDEVICE_JSON_PARSER_H