1 /* 2 * Copyright (c) 2021 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 FILE_OPERATION_H 17 #define FILE_OPERATION_H 18 19 #include <cstdint> 20 #include <iosfwd> 21 22 namespace OHOS { 23 namespace PowerMgr { 24 class FileOperation { 25 public: 26 static int32_t CreateNodeDir(std::string dir); 27 static int32_t CreateNodeFile(std::string filePath); 28 static int32_t WriteFile(std::string path, std::string buf, size_t size); 29 static int32_t ReadFile(const char *path, char *buf, size_t size); 30 static int32_t ConvertInt(const std::string &value); 31 }; 32 } // namespace PowerMgr 33 } // namespace OHOS 34 #endif // FILE_OPERATION_H 35