X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/76ba33d39af7b21b7e61eaa4595e221a6bb586a0..b09857ae000a60704207d63290be937584805fb0:/interface/wx/filename.h?ds=sidebyside diff --git a/interface/wx/filename.h b/interface/wx/filename.h index 7bbd0cd527..c7360e8694 100644 --- a/interface/wx/filename.h +++ b/interface/wx/filename.h @@ -90,6 +90,30 @@ enum wxPATH_RMDIR_RECURSIVE = 2 }; +/** + Flags for wxFileName::Exists(). + + @since 2.9.5 + */ +enum +{ + wxFILE_EXISTS_REGULAR = 0x0001, //!< Check for existence of a regular file + wxFILE_EXISTS_DIR = 0x0002, //!< Check for existence of a directory + /** + Check for existence of a symlink. + + Notice that this flag also sets ::wxFILE_EXISTS_NO_FOLLOW, otherwise it + would never be satisfied as wxFileName::Exists() would be checking for + the existence of the symlink target and not the symlink itself. + */ + wxFILE_EXISTS_SYMLINK = 0x1004, + 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 + wxFILE_EXISTS_NO_FOLLOW = 0x1000 //!< Don't dereference a contained symbolic link + wxFILE_EXISTS_ANY = 0x1FFF, //!< Check for existence of anything +}; + /** The return value of wxFileName::GetSize() in case of error. */ @@ -421,42 +445,59 @@ public: */ void ClearExt(); - //@{ + /** Returns a temporary file name starting with the given @e prefix. - If the @a prefix is an absolute path, the temporary file is created in this - directory, otherwise it is created in the default system directory for the - temporary files or in the current directory. + If @a prefix is an absolute path and ends in a separator, the + temporary file is created in this directory; if it is an absolute + filepath or there is no separator, the temporary file is created in its + path, with the 'name' segment prepended to the temporary filename; + otherwise it is created in the default system directory for temporary + files or in the current directory. If the function succeeds, the temporary file is actually created. - If @a fileTemp is not @NULL, this file will be opened using the name of - the temporary file. When possible, this is done in an atomic way ensuring that - no race condition occurs between the temporary file name generation and opening - it which could often lead to security compromise on the multiuser systems. - If @a fileTemp is @NULL, the file is only created, but not opened. + If @a fileTemp is not @NULL, this wxFile will be opened using the name of + the temporary file. Where possible this is done in an atomic way to ensure that + no race condition occurs between creating the temporary file name and opening + it, which might lead to a security compromise on multiuser systems. + If @a fileTemp is @NULL, the file is created but not opened. Under Unix, the temporary file will have read and write permissions for the - owner only to minimize the security problems. + owner only, to minimize security problems. @param prefix - Prefix to use for the temporary file name construction + Location to use for the temporary file name construction. If @a prefix + is a directory it must have a terminal separator @param fileTemp - The file to open or @NULL to just get the name + The file to open, or @NULL just to get the name - @return The full temporary file name or an empty string on error. + @return The full temporary filepath, or an empty string on error. */ static wxString CreateTempFileName(const wxString& prefix, wxFile* fileTemp = NULL); + + /** + This is the same as CreateTempFileName(const wxString &prefix, wxFile *fileTemp) + but takes a wxFFile parameter instead of wxFile. + */ static wxString CreateTempFileName(const wxString& prefix, wxFFile* fileTemp = NULL); - //@} + /** Returns @true if the directory with this name exists. + + Notice that this function tests the directory part of this object, + i.e. the string returned by GetPath(), and not the full path returned + by GetFullPath(). + + @see FileExists(), Exists() */ bool DirExists() const; /** Returns @true if the directory with name @a dir exists. + + @see FileExists(), Exists() */ static bool DirExists(const wxString& dir); @@ -467,17 +508,69 @@ public: static wxFileName DirName(const wxString& dir, wxPathFormat format = wxPATH_NATIVE); + /** + Turns off symlink dereferencing. + + By default, all operations in this class work on the target of a + symbolic link (symlink) if the path of the file is actually a symlink. + Using this method allows to turn off this "symlink following" behaviour + and apply the operations to this path itself, even if it is a symlink. + + The following methods are currently affected by this option: + - GetTimes() (but not SetTimes() as there is no portable way to + change the time of symlink itself). + - Existence checks: FileExists(), DirExists() and Exists() (notice + that static versions of these methods always follow symlinks). + - IsSameAs(). + + @see ShouldFollowLink() + + @since 2.9.5 + */ + void DontFollowLink(); + + /** + Calls the static overload of this function with the full path of this + object. + + @since 2.9.4 (@a flags is new since 2.9.5) + */ + bool Exists(int flags = wxFILE_EXISTS_ANY) const; + + /** + Returns @true if either a file or a directory or something else with + this name exists in the file system. + + Don't dereference @a path if it is a symbolic link and @a flags + argument contains ::wxFILE_EXISTS_NO_FOLLOW. + + This method is equivalent to @code FileExists() || DirExists() @endcode + under Windows, but under Unix it also returns true if the file + identifies a special file system object such as a device, a socket or a + FIFO. + + Alternatively you may check for the existence of a file system entry of + a specific type by passing the appropriate @a flags (this parameter is + new since wxWidgets 2.9.5). E.g. to test for a symbolic link existence + you could use ::wxFILE_EXISTS_SYMLINK. + + @since 2.9.4 + + @see FileExists(), DirExists() + */ + static bool Exists(const wxString& path, int flags = wxFILE_EXISTS_ANY); + /** Returns @true if the file with this name exists. - @see DirExists() + @see DirExists(), Exists() */ bool FileExists() const; /** Returns @true if the file with name @a file exists. - @see DirExists() + @see DirExists(), Exists() */ static bool FileExists(const wxString& file); @@ -878,6 +971,8 @@ public: /** On Mac OS, gets the common type and creator for the given extension. + + @onlyfor{wxosx} */ static bool MacFindDefaultTypeAndCreator(const wxString& ext, wxUint32* type, @@ -886,6 +981,8 @@ public: /** On Mac OS, registers application defined extensions and their default type and creator. + + @onlyfor{wxosx} */ static void MacRegisterDefaultTypeAndCreator(const wxString& ext, wxUint32 type, @@ -894,6 +991,8 @@ public: /** On Mac OS, looks up the appropriate type and creator from the registration and then sets it. + + @onlyfor{wxosx} */ bool MacSetDefaultTypeAndCreator(); @@ -1134,10 +1233,14 @@ public: void SetName(const wxString& name); /** - Sets the full path. + Sets the path. - The @a path argument includes both the path (and the volume, if - supported by @a format) and the name and extension. + The @a path argument includes both the path and the volume, if + supported by @a format. + + Calling this function doesn't affect the name and extension components, + to change them as well you can use Assign() or just an assignment + operator. @see GetPath() */ @@ -1156,6 +1259,17 @@ public: */ void SetVolume(const wxString& volume); + /** + Return whether some operations will follow symlink. + + By default, file operations "follow symlink", i.e. operate on its + target and not on the symlink itself. See DontFollowLink() for more + information. + + @since 2.9.5 + */ + bool ShouldFollowLink() const; + //@{ /** This function splits a full file name into components: the volume (with the