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

diff --git a/docs/latex/wx/filesys.tex b/docs/latex/wx/filesys.tex
index 15bfcca767f5bb82cf943d2664b5133240f74195..ddca00a1a2f94fbdb0a5d4d8f9583dd2561a92b9 100644 (file)
--- a/docs/latex/wx/filesys.tex
+++ b/docs/latex/wx/filesys.tex
@@ -38,8 +38,10 @@ Constructor.
 
 \func{static void}{AddHandler}{\param{wxFileSystemHandler }{*handler}}
 
 
 \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}
 


@@ -54,6 +56,14 @@ are deleted in wxFileSystem's destructor so that you don't have to
 care about it.
 
 
 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}}


@@ -143,7 +153,7 @@ Returns the next filename that matches parameters passed to \helpref{FindFirst}{
 
 \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
 
 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


@@ -151,6 +161,22 @@ or NULL if failed. It first tries to open the file in relative scope
 absolute path.  Note that the user is responsible for deleting the returned
 wxFSFile.  
 
 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}