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 UDMF_UNIFIED_DATA_HELPER_H 17 #define UDMF_UNIFIED_DATA_HELPER_H 18 19 #include <sys/stat.h> 20 #include "unified_data.h" 21 #include "visibility.h" 22 namespace OHOS { 23 namespace UDMF { 24 class API_EXPORT UnifiedDataHelper { 25 public: 26 static void SetRootPath(const std::string &rootPath); 27 static bool ExceedKVSizeLimit(UnifiedData &data); 28 static bool IsTempUData(UnifiedData &data); 29 static bool Pack(UnifiedData &data); 30 static bool Unpack(UnifiedData &data); 31 static void GetSummary(const UnifiedData &data, Summary &summary); 32 static int32_t ProcessBigData(UnifiedData &data, Intention intention, bool isSaInvoke); 33 static void GetSummaryFromLoadInfo(const DataLoadInfo &dataLoadInfo, Summary &summary); 34 private: 35 static void CreateDirIfNotExist(const std::string& dirPath, const mode_t& mode); 36 static bool SaveUDataToFile(const std::string &dataFile, UnifiedData &data); 37 static bool LoadUDataFromFile(const std::string &dataFile, UnifiedData &data); 38 static void CalRecordSummary(std::map<std::string, ValueType> &entries, Summary &summary); 39 static void FillSummaryFormat(const std::string &utdId, const std::string &specificType, Summary &summary); 40 static void ProcessTypeId(const ValueType &value, std::string &typeId); 41 static std::string GetRootPath(); 42 static bool FileClose(std::FILE *file, bool status); 43 static void UpgradeToParentType(std::string &typeId); 44 45 private: 46 static std::string rootPath_; 47 }; 48 } // namespace UDMF 49 } // namespace OHOS 50 #endif // UDMF_UNIFIED_DATA_HELPER_H 51