X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a35b27b14da8454a3d89d52dcf7d32212a2a5eeb..1ccabb813a537c2541f88eb39a83f964d2d42f00:/include/wx/filename.h diff --git a/include/wx/filename.h b/include/wx/filename.h index 8eb69d3ab3..4128075623 100644 --- a/include/wx/filename.h +++ b/include/wx/filename.h @@ -1,7 +1,7 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: filename.h -// Purpose: wxFileName - encapsulates ice cream -// Author: Robert Roebling +// Name: wx/filename.h +// Purpose: wxFileName - encapsulates a file path +// Author: Robert Roebling, Vadim Zeitlin // Modified by: // Created: 28.12.00 // RCS-ID: $Id$ @@ -17,111 +17,353 @@ #endif #ifndef WX_PRECOMP - #include "wx/string.h" + #include "wx/string.h" #endif +/* + TODO: + + 1. support for drives under Windows + 2. more file operations: + a) chmod() + b) [acm]time() - get and set + c) file size + d) file permissions with readable accessors for most common bits + such as IsReadable() &c + e) rename()? + 3. SameFileAs() function to compare inodes under Unix + */ + // ridiculously enough, this will replace DirExists with wxDirExists etc #include "wx/filefn.h" +#include "wx/datetime.h" + +class WXDLLEXPORT wxFile; +// ---------------------------------------------------------------------------- +// constants +// ---------------------------------------------------------------------------- + +// the various values for the path format: this mainly affects the path +// separator but also whether or not the path has the drive part (as under +// Windows) enum wxPathFormat { - wxPATH_NATIVE = 0, - wxPATH_UNIX, - wxPATH_MAC, - wxPATH_DOS, + wxPATH_NATIVE = 0, // the path format for the current platform + wxPATH_UNIX, + wxPATH_MAC, + wxPATH_DOS, + wxPATH_VMS, - wxPATH_BEOS = wxPATH_UNIX, - wxPATH_WIN = wxPATH_DOS, - wxPATH_OS2 = wxPATH_DOS + wxPATH_BEOS = wxPATH_UNIX, + wxPATH_WIN = wxPATH_DOS, + wxPATH_OS2 = wxPATH_DOS +}; +// the kind of normalization to do with the file name: these values can be +// or'd together to perform several operations at once +enum wxPathNormalize +{ + wxPATH_NORM_ENV_VARS = 0x0001, // replace env vars with their values + wxPATH_NORM_DOTS = 0x0002, // squeeze all .. and . and prepend cwd + wxPATH_NORM_TILDE = 0x0004, // Unix only: replace ~ and ~user + wxPATH_NORM_CASE = 0x0008, // if case insensitive => tolower + wxPATH_NORM_ABSOLUTE = 0x0010, // make the path absolute + wxPATH_NORM_LONG = 0x0020, // make the path the long form + wxPATH_NORM_ALL = 0x003f }; +// ---------------------------------------------------------------------------- +// wxFileName: encapsulates a file path +// ---------------------------------------------------------------------------- + class WXDLLEXPORT wxFileName { public: // constructors and assignment - wxFileName() - { } - wxFileName( const wxFileName &filepath ); - wxFileName( const wxString &path, bool dir_only = FALSE, wxPathFormat format = wxPATH_NATIVE ) - { Assign( path, dir_only, format ); } - void Assign( const wxString &path, bool dir_only = FALSE, wxPathFormat format = wxPATH_NATIVE ); - void Assign( const wxFileName &filepath ); - - // Only native form + + // the usual stuff + wxFileName() { } + wxFileName( const wxFileName &filepath ) { Assign(filepath); } + + // from a full filename: if it terminates with a '/', a directory path + // 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 ); } + + // from a directory name and a file name + wxFileName(const wxString& path, + const wxString& name, + wxPathFormat format = wxPATH_NATIVE) + { Assign(path, name, format); } + + // from a volume, directory name, file base name and extension + wxFileName(const wxString& volume, + const wxString& path, + const wxString& name, + const wxString& ext, + wxPathFormat format = wxPATH_NATIVE) + { Assign(volume, path, name, ext, format); } + + // 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); } + + // the same for delayed initialization + + void Assign(const wxFileName& filepath); + + void Assign(const wxString& fullpath, + wxPathFormat format = wxPATH_NATIVE); + + void Assign(const wxString& volume, + const wxString& path, + const wxString& name, + const wxString& ext, + wxPathFormat format = wxPATH_NATIVE); + + void Assign(const wxString& path, + const wxString& name, + wxPathFormat format = wxPATH_NATIVE); + + void Assign(const wxString& path, + const wxString& name, + const wxString& ext, + wxPathFormat format = wxPATH_NATIVE) + { + // empty volume + Assign(_T(""), path, name, ext, format); + } + + void AssignDir(const wxString& dir, wxPathFormat format = wxPATH_NATIVE); + + // assorted assignment operators + + wxFileName& operator=(const wxFileName& filename) + { Assign(filename); return *this; } + + wxFileName& operator=(const wxString& filename) + { Assign(filename); return *this; } + + // reset all components to default, uninitialized state + void Clear(); + + // static pseudo constructors + static wxFileName FileName(const wxString& file); + static wxFileName DirName(const wxString& dir); + + // file tests + + // is the filename valid at all? + bool IsOk() const { return !m_dirs.IsEmpty() || !m_name.IsEmpty(); } + + // does the file with this name exists? bool FileExists(); static bool FileExists( const wxString &file ); - + + // does the directory with this name exists? bool DirExists(); static bool DirExists( const wxString &dir ); - - void AssignCwd(); - static wxString GetCwd(); - + + // VZ: also need: IsDirWritable(), IsFileExecutable() &c (TODO) + + // time functions + + // set the file creation and last access/mod times + // (any of the pointers may be NULL) + bool SetTimes(const wxDateTime *dtCreate, + const wxDateTime *dtAccess, + const wxDateTime *dtMod); + + // set the access and modification times to the current moment + bool Touch(); + + // return the last access, last modification and last change times + // (any of the pointers may be NULL) + bool GetTimes(wxDateTime *dtAccess, + wxDateTime *dtMod, + wxDateTime *dtChange) const; + + // convenience wrapper: get just the last mod time of the file + wxDateTime GetModificationTime() const + { + wxDateTime dtMod; + (void)GetTimes(NULL, &dtMod, NULL); + return dtMod; + } + + // various file/dir operations + + // retrieve the value of the current working directory + void AssignCwd(const wxString& volume = wxEmptyString); + static wxString GetCwd(const wxString& volume = wxEmptyString); + + // change the current working directory bool SetCwd(); static bool SetCwd( const wxString &cwd ); - + + // get the value of user home (Unix only mainly) void AssignHomeDir(); static wxString GetHomeDir(); - - void AssignTempFileName( const wxString &prefix ); - - bool Mkdir( int perm = 0777 ); - static bool Mkdir( const wxString &dir, int perm = 0777 ); - + + // get a temp file name starting with the specified prefix and open the + // file passed to us using this name for writing (atomically if + // possible) + void AssignTempFileName(const wxString& prefix, wxFile *fileTemp = NULL); + static wxString CreateTempFileName(const wxString& prefix, + wxFile *fileTemp = NULL); + + // directory creation and removal. + // if full is TRUE, will try to make each directory in the path. + bool Mkdir( int perm = 0777, bool full = FALSE); + static bool Mkdir( const wxString &dir, int perm = 0777, bool full = FALSE ); + bool Rmdir(); static bool Rmdir( const wxString &dir ); - - // Remove . and .. (under Unix ~ as well) - bool Normalize( const wxString &cwd = wxEmptyString, const wxString &home = wxEmptyString ); - + + // operations on the path + + // normalize the path: with the default flags value, the path will be + // made absolute, without any ".." and "." and all environment + // variables will be expanded in it + // + // this may be done using another (than current) value of cwd + bool Normalize(wxPathNormalize flags = wxPATH_NORM_ALL, + const wxString& cwd = wxEmptyString, + wxPathFormat format = wxPATH_NATIVE); + + // get a path path relative to the given base directory, i.e. opposite + // of Normalize + // + // pass an empty string to get a path relative to the working directory + // + // returns TRUE if the file name was modified, FALSE if we failed to do + // anything with it (happens when the file is on a different volume, + // for example) + bool MakeRelativeTo(const wxString& pathBase = _T(""), + wxPathFormat format = wxPATH_NATIVE); + + // Comparison - bool SameAs( const wxFileName &filepath, bool upper_case = TRUE ); - + + // compares with the rules of this platform + bool SameAs(const wxFileName &filepath, + wxPathFormat format = wxPATH_NATIVE); + + // uses the current platform settings + bool operator==(const wxFileName& filename) { return SameAs(filename); } + bool operator==(const wxString& filename) + { return *this == wxFileName(filename); } + // Tests - bool IsCaseSensitive( wxPathFormat format = wxPATH_NATIVE ); - bool IsRelative( wxPathFormat format = wxPATH_NATIVE ); - bool IsAbsolute( wxPathFormat format = wxPATH_NATIVE ); + + // are the file names of this type cases sensitive? + static bool IsCaseSensitive( wxPathFormat format = wxPATH_NATIVE ); + + // is this filename absolute? + bool IsAbsolute() const + { return !m_relative; } + + // is this filename relative? + bool IsRelative() const + { return m_relative; } + + // Information about path format + + // get the string separating the volume from the path for this format + static wxString GetVolumeSeparator(wxPathFormat format = wxPATH_NATIVE); + + // get the string of path separators for this format + static wxString GetPathSeparators(wxPathFormat format = wxPATH_NATIVE); + + // is the char a path separator for this format? + static bool IsPathSeparator(wxChar ch, wxPathFormat format = wxPATH_NATIVE); + + // FIXME: what exactly does this do? bool IsWild( wxPathFormat format = wxPATH_NATIVE ); - + // Dir accessors void AppendDir( const wxString &dir ); void PrependDir( const wxString &dir ); void InsertDir( int before, const wxString &dir ); void RemoveDir( int pos ); - size_t GetDirCount() { return m_dirs.GetCount(); } - + size_t GetDirCount() const { return m_dirs.GetCount(); } + // Other accessors void SetExt( const wxString &ext ) { m_ext = ext; } wxString GetExt() const { return m_ext; } - bool HasExt() const { return !m_ext.IsEmpty(); } - + bool HasExt() const { return !m_ext.empty(); } + void SetName( const wxString &name ) { m_name = name; } wxString GetName() const { return m_name; } - bool HasName() const { return !m_name.IsEmpty(); } - - // name and ext - void SetFullName( const wxString name, wxPathFormat format = wxPATH_NATIVE ); - wxString GetFullName(); - - const wxArrayString &GetDirs() const { return m_dirs; } - - // Construct path only - wxString GetPath( bool add_separator = FALSE, wxPathFormat format = wxPATH_NATIVE ) const; - + bool HasName() const { return !m_name.empty(); } + + void SetVolume( const wxString &volume ) { m_volume = volume; } + wxString GetVolume() const { return m_volume; } + bool HasVolume() const { return !m_volume.empty(); } + + // full name is the file name + extension (but without the path) + void SetFullName(const wxString& fullname); + wxString GetFullName() const; + + const wxArrayString& GetDirs() const { return m_dirs; } + + // Construct path only - possibly with the trailing separator + wxString GetPath( bool add_separator = FALSE, + wxPathFormat format = wxPATH_NATIVE ) const; + + // more readable synonym + wxString GetPathWithSep(wxPathFormat format = wxPATH_NATIVE ) const + { return GetPath(TRUE /* add separator */, format); } + // Construct full path with name and ext wxString GetFullPath( wxPathFormat format = wxPATH_NATIVE ) const; - - + + // Return the short form of the path (returns identity on non-Windows platforms) + wxString GetShortPath() const; + + // Return the long form of the path (returns identity on non-Windows platforms) + wxString GetLongPath() const; + + // various helpers + + // get the canonical path format for this platform static wxPathFormat GetFormat( wxPathFormat format = wxPATH_NATIVE ); - + + // split a fullpath into the volume, path, (base) name and extension + // (all of the pointers can be NULL) + static void SplitPath(const wxString& fullpath, + wxString *volume, + wxString *path, + wxString *name, + wxString *ext, + wxPathFormat format = wxPATH_NATIVE); + + // compatibility version + static void SplitPath(const wxString& fullpath, + wxString *path, + wxString *name, + wxString *ext, + wxPathFormat format = wxPATH_NATIVE); + private: - wxArrayString m_dirs; - wxString m_name; - wxString m_ext; -}; + // the drive/volume/device specification (always empty for Unix) + wxString m_volume; + // the path components of the file + wxArrayString m_dirs; + // the file name and extension (empty for directories) + wxString m_name, + m_ext; + + // is the path relative + bool m_relative; +}; -#endif // _WX_FFILENAME_H_ +#endif // _WX_FILENAME_H_