Remove const bool

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

diff --git a/docs/latex/wx/filesys.tex b/docs/latex/wx/filesys.tex
index c1e3e01e468442a30d19393bb338bcbbbcbc6ad0..091c52217453238c1f1344dc99a557d9ec25149f 100644 (file)
--- a/docs/latex/wx/filesys.tex
+++ b/docs/latex/wx/filesys.tex
@@ -26,18 +26,22 @@ provide access to user-defined virtual file systems.
 
 \latexignore{\rtfignore{\wxheading{Members}}}
 
 
 \latexignore{\rtfignore{\wxheading{Members}}}
 

+

 \membersection{wxFileSystem::wxFileSystem}\label{wxfilesystemwxfilesystem}
 
 \func{}{wxFileSystem}{\void}
 
 Constructor. 
 
 \membersection{wxFileSystem::wxFileSystem}\label{wxfilesystemwxfilesystem}
 
 \func{}{wxFileSystem}{\void}
 
 Constructor. 
 

+

 \membersection{wxFileSystem::AddHandler}\label{wxfilesystemaddhandler}
 
 \func{static void}{AddHandler}{\param{wxFileSystemHandler }{*handler}}
 
 \membersection{wxFileSystem::AddHandler}\label{wxfilesystemaddhandler}
 
 \func{static void}{AddHandler}{\param{wxFileSystemHandler }{*handler}}
 

-This static function adds new handler into the list of handlers.
-The \helpref{handlers}{wxfilesystemhandler} provide access to virtual FS.
+This static function adds new handler into the list of 
+\helpref{handlers}{wxfilesystemhandler} which provide access to virtual FS.
+Note that if two handlers for the same protocol are added, the last one added
+takes precedence.

 
 \wxheading{Note}
 
 
 \wxheading{Note}
 


@@ -51,6 +55,15 @@ This is because (a) AddHandler is a static method, and (b) the handlers
 are deleted in wxFileSystem's destructor so that you don't have to
 care about it.
 
 are deleted in wxFileSystem's destructor so that you don't have to
 care about it.
 

+
+\membersection{wxFileSystem::HasHandlerForPath}\label{wxfilesystemhashandlerforpath}
+
+\func{static bool}{HasHandlerForPath}{\param{const wxString \&}{ location}}
+
+This static function returns \true if there is a registered handler which can open the given
+location.
+
+

 \membersection{wxFileSystem::ChangePathTo}\label{wxfilesystemchangepathto}
 
 \func{void}{ChangePathTo}{\param{const wxString\& }{location}, \param{bool }{is\_dir = false}}
 \membersection{wxFileSystem::ChangePathTo}\label{wxfilesystemchangepathto}
 
 \func{void}{ChangePathTo}{\param{const wxString\& }{location}, \param{bool }{is\_dir = false}}


@@ -65,7 +78,7 @@ commands change the path to "dir/subdir/":
 \begin{verbatim}
   ChangePathTo("dir/subdir/xh.htm");
   ChangePathTo("dir/subdir", true);
 \begin{verbatim}
   ChangePathTo("dir/subdir/xh.htm");
   ChangePathTo("dir/subdir", true);

-C  hangePathTo("dir/subdir/", true);
+  ChangePathTo("dir/subdir/", true);

 \end{verbatim}
 
 \wxheading{Parameters}
 \end{verbatim}
 
 \wxheading{Parameters}


@@ -83,12 +96,14 @@ C  hangePathTo("dir/subdir/", true);
   f = fs -> OpenFile("hello.htm"); // opens file 'subdir/folder/hello.htm' !!
 \end{verbatim}
 
   f = fs -> OpenFile("hello.htm"); // opens file 'subdir/folder/hello.htm' !!
 \end{verbatim}
 

+

 \membersection{wxFileSystem::GetPath}\label{wxfilesystemgetpath}
 
 \func{wxString}{GetPath}{\void}
 
 Returns actual path (set by \helpref{ChangePathTo}{wxfilesystemchangepathto}).
 
 \membersection{wxFileSystem::GetPath}\label{wxfilesystemgetpath}
 
 \func{wxString}{GetPath}{\void}
 
 Returns actual path (set by \helpref{ChangePathTo}{wxfilesystemchangepathto}).
 

+

 \membersection{wxFileSystem::FileNameToURL}\label{wxfilesystemfilenametourl}
 
 \func{static wxString}{FileNameToURL}{\param{wxFileName }{filename}}
 \membersection{wxFileSystem::FileNameToURL}\label{wxfilesystemfilenametourl}
 
 \func{static wxString}{FileNameToURL}{\param{wxFileName }{filename}}


@@ -100,6 +115,26 @@ Converts filename into URL.
 \helpref{wxFileSystem::URLToFileName}{wxfilesystemurltofilename},
 \helpref{wxFileName}{wxfilename}
 
 \helpref{wxFileSystem::URLToFileName}{wxfilesystemurltofilename},
 \helpref{wxFileName}{wxfilename}
 

+
+\membersection{wxFileSystem::FindFileInPath}\label{wxfilesystemfindfileinpath}
+
+\func{bool}{FindFileInPath}{\param{wxString }{*str}, \param{const wxString\& }{path}, \param{const wxString\& }{file}}
+
+Looks for the file with the given name \arg{file} in a colon or semi-colon
+(depending on the current platform) separated list of directories in
+\arg{path}. If the file is found in any directory, returns \true and the full
+path of the file in \arg{str}, otherwise returns \false and doesn't modify 
+\arg{str}.
+
+\wxheading{Parameters}
+
+\docparam{str}{Receives the full path of the file, must not be \NULL}
+
+\docparam{path}{\texttt{wxPATH\_SEP}-separated list of directories}
+
+\docparam{file}{the name of the file to look for}
+
+

 \membersection{wxFileSystem::FindFirst}\label{wxfilesystemfindfirst}
 
 \func{wxString}{FindFirst}{\param{const wxString\& }{wildcard}, \param{int }{flags = 0}}
 \membersection{wxFileSystem::FindFirst}\label{wxfilesystemfindfirst}
 
 \func{wxString}{FindFirst}{\param{const wxString\& }{wildcard}, \param{int }{flags = 0}}


@@ -108,24 +143,44 @@ Works like \helpref{wxFindFirstFile}{wxfindfirstfile}. Returns name of the first
 filename (within filesystem's current path) that matches {\it wildcard}. {\it flags} may be one of
 wxFILE (only files), wxDIR (only directories) or 0 (both).
 
 filename (within filesystem's current path) that matches {\it wildcard}. {\it flags} may be one of
 wxFILE (only files), wxDIR (only directories) or 0 (both).
 

+

 \membersection{wxFileSystem::FindNext}\label{wxfilesystemfindnext}
 
 \func{wxString}{FindNext}{\void}
 
 Returns the next filename that matches parameters passed to \helpref{FindFirst}{wxfilesystemfindfirst}.
 
 \membersection{wxFileSystem::FindNext}\label{wxfilesystemfindnext}
 
 \func{wxString}{FindNext}{\void}
 
 Returns the next filename that matches parameters passed to \helpref{FindFirst}{wxfilesystemfindfirst}.
 

+

 \membersection{wxFileSystem::OpenFile}\label{wxfilesystemopenfile}
 
 \membersection{wxFileSystem::OpenFile}\label{wxfilesystemopenfile}
 

-\func{wxFSFile*}{OpenFile}{\param{const wxString\& }{location}}
+\func{wxFSFile*}{OpenFile}{\param{const wxString\& }{location}, \param{int }{flags = wxFS\_READ}}

 
 Opens the file and returns a pointer to a \helpref{wxFSFile}{wxfsfile} object
 or NULL if failed. It first tries to open the file in relative scope
 (based on value passed to ChangePathTo() method) and then as an
 
 Opens the file and returns a pointer to a \helpref{wxFSFile}{wxfsfile} object
 or NULL if failed. It first tries to open the file in relative scope
 (based on value passed to ChangePathTo() method) and then as an

-absolute path.
+absolute path.  Note that the user is responsible for deleting the returned
+wxFSFile.  
+
+{\it flags} can be one or more of the following bit values ored together:
+
+\begin{verbatim}
+// Open Bit Flags
+enum {
+    wxFS_READ = 1,      // Open for reading
+    wxFS_SEEKABLE = 4   // Returned stream will be seekable
+};
+\end{verbatim}
+
+A stream opened with just the default {\it wxFS\_READ} flag may
+or may not be seekable depending on the underlying source.
+Passing {\it wxFS\_READ | wxFS\_SEEKABLE} for {\it flags} will
+back a stream that is not natively seekable with memory or a file
+and return a stream that is always seekable.
+

 
 \membersection{wxFileSystem::URLToFileName}\label{wxfilesystemurltofilename}
 
 
 \membersection{wxFileSystem::URLToFileName}\label{wxfilesystemurltofilename}
 

-\func{static wxFileName}{URLToFileName}{\param{const wxString& }{url}}
+\func{static wxFileName}{URLToFileName}{\param{const wxString\& }{url}}

 
 Converts URL into a well-formed filename. The URL must use the {\tt file} 
 protocol.
 
 Converts URL into a well-formed filename. The URL must use the {\tt file} 
 protocol.