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 INTERFACES_KITS_JS_SRC_MOD_FS_COMMON_FUNC_H 17 #define INTERFACES_KITS_JS_SRC_MOD_FS_COMMON_FUNC_H 18 19 #include "fd_guard.h" 20 #include "n_val.h" 21 #include "uv.h" 22 23 namespace OHOS { 24 namespace FileManagement { 25 namespace ModuleFileIO { 26 27 constexpr int RDONLY = UV_FS_O_RDONLY; 28 constexpr int WRONLY = UV_FS_O_WRONLY; 29 constexpr int RDWR = UV_FS_O_RDWR; 30 constexpr int CREATE = UV_FS_O_CREAT; 31 constexpr int TRUNC = UV_FS_O_TRUNC; 32 constexpr int APPEND = UV_FS_O_APPEND; 33 constexpr int NONBLOCK = UV_FS_O_NONBLOCK; 34 constexpr int DIRECTORY = UV_FS_O_DIRECTORY; 35 constexpr int NOFOLLOW = UV_FS_O_NOFOLLOW; 36 constexpr int SYNC = UV_FS_O_SYNC; 37 38 constexpr unsigned int USR_READ_ONLY = 00; 39 constexpr unsigned int USR_WRITE_ONLY = 01; 40 constexpr unsigned int USR_RDWR = 02; 41 constexpr unsigned int USR_CREATE = 0100; 42 constexpr unsigned int USR_TRUNC = 01000; 43 constexpr unsigned int USR_APPEND = 02000; 44 constexpr unsigned int USR_NONBLOCK = 04000; 45 constexpr unsigned int USR_DIRECTORY = 0200000; 46 constexpr unsigned int USR_NOFOLLOW = 0400000; 47 constexpr unsigned int USR_SYNC = 04010000; 48 49 const double NS = 1e9; 50 const double MS = 1e3; 51 52 struct FileInfo { 53 bool isPath = false; 54 std::unique_ptr<char[]> path = { nullptr }; 55 std::unique_ptr<DistributedFS::FDGuard> fdg = { nullptr }; 56 }; 57 58 void InitOpenMode(napi_env env, napi_value exports); 59 void InitWhenceType(napi_env env, napi_value exports); 60 61 struct CommonFunc { 62 static unsigned int ConvertJsFlags(unsigned int &flags); 63 static LibN::NVal InstantiateStat(napi_env env, const uv_stat_t &buf); 64 #if !defined(WIN_PLATFORM) && !defined(IOS_PLATFORM) 65 static LibN::NVal InstantiateStat(napi_env env, const uv_stat_t &buf, std::shared_ptr<FileInfo> fileInfo); 66 #endif 67 #ifndef WIN_PLATFORM 68 static LibN::NVal InstantiateFile(napi_env env, int fd, const std::string &pathOrUri, bool isUri); 69 static LibN::NVal InstantiateStream(napi_env env, std::unique_ptr<FILE, decltype(&fclose)> fp); 70 #endif 71 static std::tuple<bool, void *, size_t, int64_t> GetReadArg(napi_env env, 72 napi_value readBuf, 73 napi_value option); 74 static std::tuple<bool, std::unique_ptr<char[]>, void *, size_t, int64_t> GetWriteArg(napi_env env, 75 napi_value argWBuf, 76 napi_value argOption); 77 static std::tuple<bool, std::unique_ptr<char[]>, std::unique_ptr<char[]>> GetCopyPathArg(napi_env env, 78 napi_value srcPath, 79 napi_value dstPath); 80 static void fs_req_cleanup(uv_fs_t* req); 81 static std::string GetModeFromFlags(unsigned int flags); 82 static bool CheckPublicDirPath(const std::string &sandboxPath); 83 static std::string Decode(const std::string &uri); 84 }; 85 } // namespace ModuleFileIO 86 } // namespace FileManagement 87 } // namespace OHOS 88 #endif // INTERFACES_KITS_JS_SRC_MOD_FS_COMMON_FUNC_H