1 /* 2 * Copyright (c) 2025 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 INTERFACES_KITS_JS_SRC_MOD_FS_CLASS_FILE_FS_FILE_H 17 #define INTERFACES_KITS_JS_SRC_MOD_FS_CLASS_FILE_FS_FILE_H 18 19 #include "file_entity.h" 20 #include "filemgmt_libfs.h" 21 22 namespace OHOS { 23 namespace FileManagement { 24 namespace ModuleFileIO { 25 using namespace std; 26 27 class FsFile { 28 public: 29 inline static const string className_ = "File"; 30 GetFileEntity()31 FileEntity *GetFileEntity() const 32 { 33 return fileEntity.get(); 34 } 35 36 FsFile(const FsFile &other) = delete; 37 FsFile &operator=(const FsFile &other) = delete; 38 FsFile(FsFile && other)39 FsFile(FsFile &&other) noexcept : fileEntity(move(other.fileEntity)) 40 { 41 other.fileEntity = nullptr; 42 } 43 44 FsFile &operator=(FsFile &&other) noexcept 45 { 46 if (this != &other) { 47 fileEntity = move(other.fileEntity); 48 other.fileEntity = nullptr; 49 } 50 return *this; 51 } 52 53 ~FsFile() = default; 54 55 #if !defined(WIN_PLATFORM) && !defined(IOS_PLATFORM) 56 FsResult<string> GetPath() const; 57 FsResult<string> GetName() const; 58 FsResult<string> GetParent() const; 59 FsResult<void> Lock(bool exclusive = false) const; 60 FsResult<void> TryLock(bool exclusive = false) const; 61 FsResult<void> UnLock() const; 62 #endif 63 static FsResult<FsFile *> Constructor(); 64 FsResult<int32_t> GetFD() const; 65 void RemoveEntity(); 66 67 private: 68 unique_ptr<FileEntity> fileEntity; FsFile(unique_ptr<FileEntity> entity)69 explicit FsFile(unique_ptr<FileEntity> entity) : fileEntity(move(entity)) {} 70 }; 71 72 const string PROCEDURE_LOCK_NAME = "FileIOFileLock"; 73 } // namespace ModuleFileIO 74 } // namespace FileManagement 75 } // namespace OHOS 76 #endif // INTERFACES_KITS_JS_SRC_MOD_FS_CLASS_FILE_FS_FILE_H