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