1 /** 2 * Copyright (c) 2021-2022 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 LIBPANDABASE_OS_FILE_H 17 #define LIBPANDABASE_OS_FILE_H 18 19 #include "macros.h" 20 21 #if defined(PANDA_TARGET_UNIX) 22 #include "platforms/unix/libpandabase/file.h" 23 #elif defined(PANDA_TARGET_WINDOWS) 24 #include "platforms/windows/libpandabase/file.h" 25 #else 26 #error "Unsupported platform" 27 #endif 28 29 #include <string> 30 31 namespace panda::os::file { 32 33 #if defined(PANDA_TARGET_UNIX) 34 using File = panda::os::unix::file::File; 35 #elif defined(PANDA_TARGET_WINDOWS) 36 using File = panda::os::windows::file::File; 37 #endif 38 39 class FileHolder { 40 public: FileHolder(File file)41 explicit FileHolder(File file) : file_(file) {} 42 ~FileHolder()43 ~FileHolder() 44 { 45 file_.Close(); 46 } 47 48 private: 49 File file_; 50 51 NO_COPY_SEMANTIC(FileHolder); 52 NO_MOVE_SEMANTIC(FileHolder); 53 }; 54 55 enum class Mode : uint32_t { READONLY, WRITEONLY, READWRITE, READWRITECREATE }; 56 57 File Open(std::string_view filename, Mode mode); 58 59 } // namespace panda::os::file 60 61 #endif // LIBPANDABASE_OS_FILE_H 62