1 /* 2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef _WEBRTC_BASE_WIN32FILESYSTEM_H__ 12 #define _WEBRTC_BASE_WIN32FILESYSTEM_H__ 13 14 #include "fileutils.h" 15 16 namespace rtc { 17 18 class Win32Filesystem : public FilesystemInterface { 19 public: 20 // Opens a file. Returns an open StreamInterface if function succeeds. Otherwise, 21 // returns NULL. 22 virtual FileStream *OpenFile(const Pathname &filename, 23 const std::string &mode); 24 25 // Atomically creates an empty file accessible only to the current user if one 26 // does not already exist at the given path, otherwise fails. 27 virtual bool CreatePrivateFile(const Pathname &filename); 28 29 // This will attempt to delete the path located at filename. 30 // If the path points to a folder, it will fail with VERIFY 31 virtual bool DeleteFile(const Pathname &filename); 32 33 // This will attempt to delete an empty folder. If the path does not point to 34 // a folder, it fails with VERIFY. If the folder is not empty, it fails normally 35 virtual bool DeleteEmptyFolder(const Pathname &folder); 36 37 // Creates a directory. This will call itself recursively to create /foo/bar even if 38 // /foo does not exist. 39 // Returns TRUE if function succeeds 40 virtual bool CreateFolder(const Pathname &pathname); 41 42 // This moves a file from old_path to new_path. If the new path is on a 43 // different volume than the old, it will attempt to copy and then delete 44 // the folder 45 // Returns true if the file is successfully moved 46 virtual bool MoveFile(const Pathname &old_path, const Pathname &new_path); 47 48 // Moves a folder from old_path to new_path. If the new path is on a different 49 // volume from the old, it will attempt to Copy and then Delete the folder 50 // Returns true if the folder is successfully moved 51 virtual bool MoveFolder(const Pathname &old_path, const Pathname &new_path); 52 53 // This copies a file from old_path to _new_path 54 // Returns true if function succeeds 55 virtual bool CopyFile(const Pathname &old_path, const Pathname &new_path); 56 57 // Returns true if a pathname is a directory 58 virtual bool IsFolder(const Pathname& pathname); 59 60 // Returns true if a file exists at path 61 virtual bool IsFile(const Pathname &path); 62 63 // Returns true if pathname refers to no filesystem object, every parent 64 // directory either exists, or is also absent. 65 virtual bool IsAbsent(const Pathname& pathname); 66 67 // Returns true if pathname represents a temporary location on the system. 68 virtual bool IsTemporaryPath(const Pathname& pathname); 69 70 // All of the following functions set pathname and return true if successful. 71 // Returned paths always include a trailing backslash. 72 // If create is true, the path will be recursively created. 73 // If append is non-NULL, it will be appended (and possibly created). 74 75 virtual std::string TempFilename(const Pathname &dir, const std::string &prefix); 76 77 virtual bool GetFileSize(const Pathname& path, size_t* size); 78 virtual bool GetFileTime(const Pathname& path, FileTimeType which, 79 time_t* time); 80 81 // A folder appropriate for storing temporary files (Contents are 82 // automatically deleted when the program exists) 83 virtual bool GetTemporaryFolder(Pathname &path, bool create, 84 const std::string *append); 85 86 // Returns the path to the running application. 87 virtual bool GetAppPathname(Pathname* path); 88 89 virtual bool GetAppDataFolder(Pathname* path, bool per_user); 90 91 // Get a temporary folder that is unique to the current user and application. 92 virtual bool GetAppTempFolder(Pathname* path); 93 94 virtual bool GetDiskFreeSpace(const Pathname& path, int64_t* free_bytes); 95 96 virtual Pathname GetCurrentDirectory(); 97 }; 98 99 } // namespace rtc 100 101 #endif // WEBRTC_WINFILESYSTEM_H__ 102
