added wxLocale::IsAvailable() (extended patch 1547191)

[wxWidgets.git] / docs / latex / wx / filename.tex

diff --git a/docs/latex/wx/filename.tex b/docs/latex/wx/filename.tex
index ccffbd00cc82bb3edaff74aabe29125747a29d1b..311783e72869de24cb33b45ebd9d5fc7a634b97f 100644 (file)
--- a/docs/latex/wx/filename.tex
+++ b/docs/latex/wx/filename.tex
@@ -6,7 +6,7 @@
 %% Created:     30.11.01
 %% RCS-ID:      $Id$
 %% Copyright:   (c) 2001 Vadim Zeitlin
 %% Created:     30.11.01
 %% RCS-ID:      $Id$
 %% Copyright:   (c) 2001 Vadim Zeitlin

-%% License:     wxWidgets license
+%% License:     wxWindows license

 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 \section{\class{wxFileName}}\label{wxfilename}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 \section{\class{wxFileName}}\label{wxfilename}


@@ -73,20 +73,23 @@ state and \helpref{IsOk}{wxfilenameisok} returns {\tt false} for it.
 File names can be case-sensitive or not, the function\rtfsp
 \helpref{IsCaseSensitive}{wxfilenameiscasesensitive} allows to determine this.
 
 File names can be case-sensitive or not, the function\rtfsp
 \helpref{IsCaseSensitive}{wxfilenameiscasesensitive} allows to determine this.
 

-The rules for determining if the file name is absolute or relative also depends
-on the file name format and the only portable way to answer to this question is
-to use \helpref{IsAbsolute}{wxfilenameisabsolute} method. To ensure that the
-filename is absolute you may use \helpref{MakeAbsolute}{wxfilenamemakeabsolute}.
-There is also an inverse function 
-\helpref{MakeRelativeTo}{wxfilenamemakerelativeto} which undoes what
-\helpref{Normalize(wxPATH\_NORM\_DOTS)}{wxfilenamenormalize} does.
+The rules for determining whether the file name is absolute or relative also
+depend on the file name format and the only portable way to answer this
+question is to use \helpref{IsAbsolute}{wxfilenameisabsolute} or\rtfsp
+\helpref{IsRelative}{wxfilenameisrelative} method. Note that on Windows, "X:"
+refers to the current working directory on drive X. Therefore, a wxFileName
+instance constructed from for example "X:dir/file.ext" treats the portion 
+beyond drive separator as being relative to that directory.
+
+To ensure that the filename is absolute, you may use\rtfsp
+\helpref{MakeAbsolute}{wxfilenamemakeabsolute}. There is also an inverse
+function \helpref{MakeRelativeTo}{wxfilenamemakerelativeto} which undoes
+what \helpref{Normalize(wxPATH\_NORM\_DOTS)}{wxfilenamenormalize} does.

 
 Other functions returning information about the file format provided by this
 class are \helpref{GetVolumeSeparator}{wxfilenamegetvolumeseparator},\rtfsp
 \helpref{IsPathSeparator}{wxfilenameispathseparator}.
 
 
 Other functions returning information about the file format provided by this
 class are \helpref{GetVolumeSeparator}{wxfilenamegetvolumeseparator},\rtfsp
 \helpref{IsPathSeparator}{wxfilenameispathseparator}.
 

-\helpref{IsRelative}{wxfilenameisrelative}
-

 
 \membersection{File name construction}\label{filenameconstruction}
 
 
 \membersection{File name construction}\label{filenameconstruction}
 


@@ -95,11 +98,11 @@ TODO.
 
 \membersection{File tests}\label{filetests}
 
 
 \membersection{File tests}\label{filetests}
 

-Before doing the other tests you should use \helpref{IsOk}{wxfilenameisok} to
-verify that the filename is well defined. If it is, 
-\helpref{FileExists}{wxfilenamefileexists} can be used to test if a file with
-such name exists and \helpref{DirExists}{wxfilenamedirexists} - if a directory
-with this name exists.
+Before doing other tests, you should use \helpref{IsOk}{wxfilenameisok} to
+verify that the filename is well defined. If it is,\rtfsp
+\helpref{FileExists}{wxfilenamefileexists} can be used to test whether a file
+with such name exists and \helpref{DirExists}{wxfilenamedirexists} can be used
+to test for directory existence.

 
 File names should be compared using \helpref{SameAs}{wxfilenamesameas} method
 or \helpref{$==$}{wxfilenameoperatorequal}.
 
 File names should be compared using \helpref{SameAs}{wxfilenamesameas} method
 or \helpref{$==$}{wxfilenameoperatorequal}.


@@ -107,13 +110,15 @@ or \helpref{$==$}{wxfilenameoperatorequal}.
 
 \membersection{File name components}\label{filenamecomponents}
 
 
 \membersection{File name components}\label{filenamecomponents}
 

-These functions allow to examine and modify the directories of the path:
+These functions allow to examine and modify the individual directories of the
+path:

 
 \helpref{AppendDir}{wxfilenameappenddir}\\
 \helpref{InsertDir}{wxfilenameinsertdir}\\
 \helpref{GetDirCount}{wxfilenamegetdircount}
 \helpref{PrependDir}{wxfilenameprependdir}\\
 
 \helpref{AppendDir}{wxfilenameappenddir}\\
 \helpref{InsertDir}{wxfilenameinsertdir}\\
 \helpref{GetDirCount}{wxfilenamegetdircount}
 \helpref{PrependDir}{wxfilenameprependdir}\\

-\helpref{RemoveDir}{wxfilenameremovedir}
+\helpref{RemoveDir}{wxfilenameremovedir}\\
+\helpref{RemoveLastDir}{wxfilenameremovelastdir}

 
 To change the components of the file name individually you can use the
 following functions:
 
 To change the components of the file name individually you can use the
 following functions:


@@ -125,6 +130,8 @@ following functions:
 \helpref{HasName}{wxfilenamehasname}\\
 \helpref{HasVolume}{wxfilenamehasvolume}\\
 \helpref{SetExt}{wxfilenamesetext}\\
 \helpref{HasName}{wxfilenamehasname}\\
 \helpref{HasVolume}{wxfilenamehasvolume}\\
 \helpref{SetExt}{wxfilenamesetext}\\

+\helpref{ClearExt}{wxfilenameclearext}\\
+\helpref{SetEmptyExt}{wxfilenamesetemptyext}\\

 \helpref{SetName}{wxfilenamesetname}\\
 \helpref{SetVolume}{wxfilenamesetvolume}\\
 
 \helpref{SetName}{wxfilenamesetname}\\
 \helpref{SetVolume}{wxfilenamesetvolume}\\
 


@@ -195,6 +202,8 @@ assert failure in debug build).
 
 \func{void}{Assign}{\param{const wxString\& }{fullpath}, \param{wxPathFormat }{format = wxPATH\_NATIVE}}
 
 
 \func{void}{Assign}{\param{const wxString\& }{fullpath}, \param{wxPathFormat }{format = wxPATH\_NATIVE}}
 

+\func{void}{Assign}{\param{const wxString\& }{volume}, \param{const wxString\& }{path}, \param{const wxString\& }{name}, \param{const wxString\& }{ext}, \param{bool }{hasExt}, \param{wxPathFormat }{format = wxPATH\_NATIVE}}
+

 \func{void}{Assign}{\param{const wxString\& }{volume}, \param{const wxString\& }{path}, \param{const wxString\& }{name}, \param{const wxString\& }{ext}, \param{wxPathFormat }{format = wxPATH\_NATIVE}}
 
 \func{void}{Assign}{\param{const wxString\& }{path}, \param{const wxString\& }{name}, \param{wxPathFormat }{format = wxPATH\_NATIVE}}
 \func{void}{Assign}{\param{const wxString\& }{volume}, \param{const wxString\& }{path}, \param{const wxString\& }{name}, \param{const wxString\& }{ext}, \param{wxPathFormat }{format = wxPATH\_NATIVE}}
 
 \func{void}{Assign}{\param{const wxString\& }{path}, \param{const wxString\& }{name}, \param{wxPathFormat }{format = wxPATH\_NATIVE}}


@@ -248,6 +257,18 @@ temporary file couldn't be created, the object is put into the\rtfsp
 Reset all components to default, uninitialized state.
 
 
 Reset all components to default, uninitialized state.
 
 

+\membersection{wxFileName::ClearExt}\label{wxfilenameclearext}
+
+\func{void}{SetClearExt}{\void}
+
+Removes the extension from the file name resulting in a 
+file name with no trailing dot.
+
+\wxheading{See also}
+
+\helpref{SetExt}{wxfilenamesetext}
+\helpref{SetEmptyExt}{wxfilenamesetemptyext}
+

 \membersection{wxFileName::CreateTempFileName}\label{wxfilenamecreatetempfilename}
 
 \func{static wxString}{CreateTempFileName}{\param{const wxString\& }{prefix}, \param{wxFile *}{fileTemp = {\tt NULL}}}
 \membersection{wxFileName::CreateTempFileName}\label{wxfilenamecreatetempfilename}
 
 \func{static wxString}{CreateTempFileName}{\param{const wxString\& }{prefix}, \param{wxFile *}{fileTemp = {\tt NULL}}}


@@ -324,7 +345,7 @@ function exists mainly for symmetry with \helpref{DirName}{wxfilenamedirname}.
 \func{static wxString}{GetCwd}{\param{const wxString\& }{volume = ""}}
 
 Retrieves the value of the current working directory on the specified volume. If
 \func{static wxString}{GetCwd}{\param{const wxString\& }{volume = ""}}
 
 Retrieves the value of the current working directory on the specified volume. If

-the volume is empty, the programs current working directory is returned for the
+the volume is empty, the program's current working directory is returned for the

 current volume.
 
 \wxheading{Return value}
 current volume.
 
 \wxheading{Return value}


@@ -411,7 +432,12 @@ Returns the last time the file was last modified.
 
 \constfunc{wxString}{GetName}{\void}
 
 
 \constfunc{wxString}{GetName}{\void}
 

-Returns the name part of the filename.
+Returns the name part of the filename (without extension).
+
+\wxheading{See also}
+
+\helpref{GetFullName}{wxfilenamegetfullname}
+

 
 
 \membersection{wxFileName::GetPath}\label{wxfilenamegetpath}
 
 
 \membersection{wxFileName::GetPath}\label{wxfilenamegetpath}


@@ -469,6 +495,17 @@ same as \helpref{GetPathSeparators}{wxfilenamegetpathseparators} except for VMS
 path format where $]$ is used at the end of the path part.
 
 
 path format where $]$ is used at the end of the path part.
 
 

+\membersection{wxFileName::GetPathWithSep}\label{wxfilenamegetpathwithsep}
+
+\constfunc{wxString}{GetPathWithSep}{\param{wxPathFormat }{format = wxPATH\_NATIVE}}
+
+Returns the path with the trailing separator, useful for appending the name to
+the given path.
+
+This is the same as calling \helpref{GetPath}{wxfilenamegetpath}
+\texttt{(wxPATH\_GET\_VOLUME | wxPATH\_GET\_SEPARATOR, format)}.
+
+

 \membersection{wxFileName::GetShortPath}\label{wxfilenamegetshortpath}
 
 \constfunc{wxString}{GetShortPath}{\void}
 \membersection{wxFileName::GetShortPath}\label{wxfilenamegetshortpath}
 
 \constfunc{wxString}{GetShortPath}{\void}


@@ -476,6 +513,33 @@ path format where $]$ is used at the end of the path part.
 Return the short form of the path (returns identity on non-Windows platforms).
 
 
 Return the short form of the path (returns identity on non-Windows platforms).
 
 

+\membersection{wxFileName::GetSize}\label{wxfilenamegetsize}
+
+\constfunc{wxULongLong}{GetSize}{\void}
+
+\func{static wxULongLong}{GetSize}{\param{const wxString\& }{filename}}
+
+Returns the size of this file (first form) or the size of the given file (second form).
+If the file does not exist or its size could not be read (because e.g. the file is locked
+by another process) the returned value is {\tt wxInvalidSize}.
+
+
+\membersection{wxFileName::GetHumanReadableSize}\label{wxfilenamegethumanreadablesize}
+
+\constfunc{wxString}{GetHumanReadableSize}{\param{const wxString\& }{failmsg = "Not available"}, \param{int }{precision = 1}}
+
+\func{static wxString}{GetHumanReadableSize}{\param{const wxULongLong\& }{bytes}, \param{const wxString\& }{nullsize = "Not available"}, \param{int }{precision = 1}}
+
+Returns the size of this file (first form) or the given number of bytes (second form)
+in a human-readable form.
+
+If the size could not be retrieved the {\tt failmsg} string is returned (first form).
+If {\tt bytes} is {\tt wxInvalidSize} or zero, then {\tt nullsize} is returned (second form).
+
+In case of success, the returned string is a floating-point number with {\tt precision} decimal digits
+followed by the size unit (B, kB, MB, GB, TB: respectively bytes, kilobytes, megabytes, gigabytes, terabytes).
+
+

 \membersection{wxFileName::GetTimes}\label{wxfilenamegettimes}
 
 \constfunc{bool}{GetTimes}{\param{wxDateTime* }{dtAccess}, \param{wxDateTime* }{dtMod}, \param{wxDateTime* }{dtCreate}}
 \membersection{wxFileName::GetTimes}\label{wxfilenamegettimes}
 
 \constfunc{bool}{GetTimes}{\param{wxDateTime* }{dtAccess}, \param{wxDateTime* }{dtMod}, \param{wxDateTime* }{dtCreate}}


@@ -535,7 +599,7 @@ Returns {\tt true} if a volume specifier is present.
 
 \membersection{wxFileName::InsertDir}\label{wxfilenameinsertdir}
 
 
 \membersection{wxFileName::InsertDir}\label{wxfilenameinsertdir}
 

-\func{void}{InsertDir}{\param{int }{before}, \param{const wxString\& }{dir}}
+\func{void}{InsertDir}{\param{size\_t }{before}, \param{const wxString\& }{dir}}

 
 Inserts a directory component before the zero-based position in the directory
 list. Please see \helpref{AppendDir}{wxfilenameappenddir} for important notes.
 
 Inserts a directory component before the zero-based position in the directory
 list. Please see \helpref{AppendDir}{wxfilenameappenddir} for important notes.


@@ -680,7 +744,7 @@ any or-combination of the following constants:
 \twocolitem{{\bf wxPATH\_NORM\_ENV\_VARS}}{replace env vars with their values}
 \twocolitem{{\bf wxPATH\_NORM\_DOTS}}{squeeze all .. and . and prepend cwd}
 \twocolitem{{\bf wxPATH\_NORM\_TILDE}}{Unix only: replace ~ and ~user}
 \twocolitem{{\bf wxPATH\_NORM\_ENV\_VARS}}{replace env vars with their values}
 \twocolitem{{\bf wxPATH\_NORM\_DOTS}}{squeeze all .. and . and prepend cwd}
 \twocolitem{{\bf wxPATH\_NORM\_TILDE}}{Unix only: replace ~ and ~user}

-\twocolitem{{\bf wxPATH\_NORM\_CASE}}{if filesystem is case insensitive, transform to tolower case}
+\twocolitem{{\bf wxPATH\_NORM\_CASE}}{if filesystem is case insensitive, transform to lower case}

 \twocolitem{{\bf wxPATH\_NORM\_ABSOLUTE}}{make the path absolute}
 \twocolitem{{\bf wxPATH\_NORM\_LONG}}{make the path the long form}
 \twocolitem{{\bf wxPATH\_NORM\_SHORTCUT}}{resolve if it is a shortcut (Windows only)}
 \twocolitem{{\bf wxPATH\_NORM\_ABSOLUTE}}{make the path absolute}
 \twocolitem{{\bf wxPATH\_NORM\_LONG}}{make the path the long form}
 \twocolitem{{\bf wxPATH\_NORM\_SHORTCUT}}{resolve if it is a shortcut (Windows only)}


@@ -705,9 +769,20 @@ Prepends a directory to the file path. Please see
 
 \membersection{wxFileName::RemoveDir}\label{wxfilenameremovedir}
 
 
 \membersection{wxFileName::RemoveDir}\label{wxfilenameremovedir}
 

-\func{void}{RemoveDir}{\param{int }{pos}}
+\func{void}{RemoveDir}{\param{size\_t }{pos}}

 
 

-Removes a directory name.
+Removes the specified directory component from the path.
+
+\wxheading{See also}
+
+\helpref{GetDirCount}{wxfilenamegetdircount}
+
+
+\membersection{wxFileName::RemoveLastDir}\label{wxfilenameremovelastdir}
+
+\func{void}{RemoveLastDir}{\void}
+
+Removes last directory component from the path.

 
 
 \membersection{wxFileName::Rmdir}\label{wxfilenamermdir}
 
 
 \membersection{wxFileName::Rmdir}\label{wxfilenamermdir}


@@ -739,8 +814,28 @@ Changes the current working directory.
 
 \func{void}{SetExt}{\param{const wxString\& }{ext}}
 
 
 \func{void}{SetExt}{\param{const wxString\& }{ext}}
 

-Sets the extension of this file name.
+Sets the extension of the file name. Setting an empty string
+as the extension will remove the extension resulting in a file 
+name without a trailing dot, unlike a call to 
+\helpref{SetEmptyExt}{wxfilenamesetemptyext}.

 
 

+\wxheading{See also}
+
+\helpref{SetEmptyExt}{wxfilenamesetemptyext}
+\helpref{ClearExt}{wxfilenameclearext}
+
+\membersection{wxFileName::SetEmptyExt}\label{wxfilenamesetemptyext}
+
+\func{void}{SetEmptyExt}{\void}
+
+Sets the extension of the file name to be an empty extension. 
+This is different from having no extension at all as the file 
+name will have a trailing dot after a call to this method.
+
+\wxheading{See also}
+
+\helpref{SetExt}{wxfilenamesetext}
+\helpref{ClearExt}{wxfilenameclearext}

 
 \membersection{wxFileName::SetFullName}\label{wxfilenamesetfullname}
 
 
 \membersection{wxFileName::SetFullName}\label{wxfilenamesetfullname}
 


@@ -753,7 +848,11 @@ The full name is the file name and extension (but without the path).
 
 \func{void}{SetName}{\param{const wxString\& }{name}}
 
 
 \func{void}{SetName}{\param{const wxString\& }{name}}
 

-Sets the name.
+Sets the name part (without extension).
+
+\wxheading{See also}
+
+\helpref{SetFullName}{wxfilenamesetfullname}

 
 
 \membersection{wxFileName::SetTimes}\label{wxfilenamesettimes}
 
 
 \membersection{wxFileName::SetTimes}\label{wxfilenamesettimes}


@@ -772,6 +871,8 @@ Sets the volume specifier.
 
 \membersection{wxFileName::SplitPath}\label{wxfilenamesplitpath}
 
 
 \membersection{wxFileName::SplitPath}\label{wxfilenamesplitpath}
 

+\func{static void}{SplitPath}{\param{const wxString\& }{fullpath}, \param{wxString* }{volume}, \param{wxString* }{path}, \param{wxString* }{name}, \param{wxString* }{ext}, \param{bool }{*hasExt = \texttt{NULL}}, \param{wxPathFormat }{format = wxPATH\_NATIVE}}
+

 \func{static void}{SplitPath}{\param{const wxString\& }{fullpath}, \param{wxString* }{volume}, \param{wxString* }{path}, \param{wxString* }{name}, \param{wxString* }{ext}, \param{wxPathFormat }{format = wxPATH\_NATIVE}}
 
 \func{static void}{SplitPath}{\param{const wxString\& }{fullpath}, \param{wxString* }{path}, \param{wxString* }{name}, \param{wxString* }{ext}, \param{wxPathFormat }{format = wxPATH\_NATIVE}}
 \func{static void}{SplitPath}{\param{const wxString\& }{fullpath}, \param{wxString* }{volume}, \param{wxString* }{path}, \param{wxString* }{name}, \param{wxString* }{ext}, \param{wxPathFormat }{format = wxPATH\_NATIVE}}
 
 \func{static void}{SplitPath}{\param{const wxString\& }{fullpath}, \param{wxString* }{path}, \param{wxString* }{name}, \param{wxString* }{ext}, \param{wxPathFormat }{format = wxPATH\_NATIVE}}


@@ -788,6 +889,10 @@ without leading dot. All three of them may be empty if the corresponding
 component is. The old contents of the strings pointed to by these parameters
 will be overwritten in any case (if the pointers are not {\tt NULL}).
 
 component is. The old contents of the strings pointed to by these parameters
 will be overwritten in any case (if the pointers are not {\tt NULL}).
 

+Note that for a filename ``foo.'' the extension is present, as indicated by the
+trailing dot, but empty. If you need to cope with such cases, you should use 
+\arg{hasExt} instead of relying on testing whether \arg{ext} is empty or not.
+

 
 \membersection{wxFileName::SplitVolume}\label{wxfilenamesplitvolume}
 
 
 \membersection{wxFileName::SplitVolume}\label{wxfilenamesplitvolume}