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 struct FileInfo { 50 bool isPath = false; 51 std::unique_ptr<char[]> path = { nullptr }; 52 std::unique_ptr<DistributedFS::FDGuard> fdg = { nullptr }; 53 }; 54 55 void InitOpenMode(napi_env env, napi_value exports); 56 57 struct CommonFunc { 58 static unsigned int ConvertJsFlags(unsigned int &flags); 59 static LibN::NVal InstantiateStat(napi_env env, const uv_stat_t &buf); 60 #ifndef WIN_PLATFORM 61 static LibN::NVal InstantiateFile(napi_env env, int fd, std::string pathOrUri, bool isUri); 62 static LibN::NVal InstantiateStream(napi_env env, std::unique_ptr<FILE, decltype(&fclose)> fp); 63 #endif 64 static std::tuple<bool, void *, size_t, int64_t> GetReadArg(napi_env env, 65 napi_value readBuf, 66 napi_value option); 67 static std::tuple<bool, std::unique_ptr<char[]>, void *, size_t, int64_t> GetWriteArg(napi_env env, 68 napi_value argWBuf, 69 napi_value argOption); 70 static std::tuple<bool, std::unique_ptr<char[]>, std::unique_ptr<char[]>> GetCopyPathArg(napi_env env, 71 napi_value srcPath, 72 napi_value dstPath); 73 static void fs_req_cleanup(uv_fs_t* req); 74 static std::string GetModeFromFlags(unsigned int flags); 75 static bool CheckPublicDirPath(const std::string &path); 76 static std::string Decode(const std::string &uri); 77 }; 78 } // namespace ModuleFileIO 79 } // namespace FileManagement 80 } // namespace OHOS 81 #endif // INTERFACES_KITS_JS_SRC_MOD_FS_COMMON_FUNC_H