X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/996d3fe3f80a5954439d6a57c858ac43d2576cf2..e10972f6c1436a6dcd5427b4e3913bb0f398e045:/include/wx/filename.h?ds=sidebyside diff --git a/include/wx/filename.h b/include/wx/filename.h index dc8eb3020d..f580d1d494 100644 --- a/include/wx/filename.h +++ b/include/wx/filename.h @@ -40,7 +40,7 @@ class WXDLLIMPEXP_FWD_BASE wxFFile; // this symbol is defined for the platforms where file systems use volumes in // paths -#if defined(__WXMSW__) || defined(__DOS__) || defined(__OS2__) +#if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__) #define wxHAS_FILESYSTEM_VOLUMES #endif @@ -108,6 +108,22 @@ enum wxPATH_RMDIR_RECURSIVE = 0x0002 // delete all recursively (dangerous!) }; +// FileExists flags +enum +{ + wxFILE_EXISTS_REGULAR = 0x0001, // check for existence of a regular file + wxFILE_EXISTS_DIR = 0x0002, // check for existence of a directory + wxFILE_EXISTS_SYMLINK = 0x1004, // check for existence of a symbolic link; + // also sets wxFILE_EXISTS_NO_FOLLOW as + // it would never be satisfied otherwise + wxFILE_EXISTS_DEVICE = 0x0008, // check for existence of a device + wxFILE_EXISTS_FIFO = 0x0016, // check for existence of a FIFO + wxFILE_EXISTS_SOCKET = 0x0032, // check for existence of a socket + // gap for future types + wxFILE_EXISTS_NO_FOLLOW = 0x1000, // don't dereference a contained symlink + wxFILE_EXISTS_ANY = 0x1FFF // check for existence of anything +}; + #if wxUSE_LONGLONG // error code of wxFileName::GetSize() extern WXDLLIMPEXP_DATA_BASE(const wxULongLong) wxInvalidSize; @@ -132,13 +148,13 @@ public: // is contructed (the name will be empty), otherwise a file name and // extension are extracted from it wxFileName( const wxString& fullpath, wxPathFormat format = wxPATH_NATIVE ) - { Assign( fullpath, format ); } + { Assign( fullpath, format ); m_dontFollowLinks = false; } // from a directory name and a file name wxFileName(const wxString& path, const wxString& name, wxPathFormat format = wxPATH_NATIVE) - { Assign(path, name, format); } + { Assign(path, name, format); m_dontFollowLinks = false; } // from a volume, directory name, file base name and extension wxFileName(const wxString& volume, @@ -146,14 +162,14 @@ public: const wxString& name, const wxString& ext, wxPathFormat format = wxPATH_NATIVE) - { Assign(volume, path, name, ext, format); } + { Assign(volume, path, name, ext, format); m_dontFollowLinks = false; } // from a directory name, file base name and extension wxFileName(const wxString& path, const wxString& name, const wxString& ext, wxPathFormat format = wxPATH_NATIVE) - { Assign(path, name, ext, format); } + { Assign(path, name, ext, format); m_dontFollowLinks = false; } // the same for delayed initialization @@ -224,8 +240,8 @@ public: // does anything at all with this name (i.e. file, directory or some // other file system object such as a device, socket, ...) exist? - bool Exists() const { return Exists(GetFullPath()); } - static bool Exists(const wxString& path); + bool Exists(int flags = wxFILE_EXISTS_ANY) const; + static bool Exists(const wxString& path, int flags = wxFILE_EXISTS_ANY); // checks on most common flags for files/directories; @@ -367,6 +383,26 @@ public: { return Normalize(wxPATH_NORM_DOTS | wxPATH_NORM_ABSOLUTE | wxPATH_NORM_TILDE, cwd, format); } + + // If the path is a symbolic link (Unix-only), indicate that all + // filesystem operations on this path should be performed on the link + // itself and not on the file it points to, as is the case by default. + // + // No effect if this is not a symbolic link. + void DontFollowLink() + { + m_dontFollowLinks = true; + } + + // If the path is a symbolic link (Unix-only), returns whether various + // file operations should act on the link itself, or on its target. + // + // This does not test if the path is really a symlink or not. + bool ShouldFollowLink() const + { + return !m_dontFollowLinks; + } + #if defined(__WIN32__) && !defined(__WXWINCE__) && wxUSE_OLE // if the path is a shortcut, return the target and optionally, // the arguments @@ -606,6 +642,11 @@ private: // the difference is important as file with name "foo" and without // extension has full name "foo" while with empty extension it is "foo." bool m_hasExt; + + // by default, symlinks are dereferenced but this flag can be set with + // DontFollowLink() to change this and make different operations work on + // this file path itself instead of the target of the symlink + bool m_dontFollowLinks; }; #endif // _WX_FILENAME_H_