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

diff --git a/docs/latex/wx/filesysh.tex b/docs/latex/wx/filesysh.tex
index 04159d5e942d44c22d3bf52c618872cc090774e5..95ba252f4a529d4ea60219709f536722140ff1ed 100644 (file)
--- a/docs/latex/wx/filesysh.tex
+++ b/docs/latex/wx/filesysh.tex
@@ -3,42 +3,46 @@
 % filesystemhandler.tex at 21/Mar/99 23:00:52
 %
 
 % filesystemhandler.tex at 21/Mar/99 23:00:52
 %
 

-

 \section{\class{wxFileSystemHandler}}\label{wxfilesystemhandler}
 
 \section{\class{wxFileSystemHandler}}\label{wxfilesystemhandler}
 

-wxFileSystemHandler (or derived classes to be exact) is used
-to access virtual file systems. It's public interface consists
-from two methods: \helpref{CanOpen}{wxfilesystemhandlercanopen}
+Classes derived from wxFileSystemHandler are used
+to access virtual file systems. Its public interface consists
+of two methods: \helpref{CanOpen}{wxfilesystemhandlercanopen} 

 and \helpref{OpenFile}{wxfilesystemhandleropenfile}. 
 and \helpref{OpenFile}{wxfilesystemhandleropenfile}. 

-It provides additional protected methods to simplify process
-of opening the file : GetProtocol, GetLeftLocation, GetRightLocation,
+It provides additional protected methods to simplify the process
+of opening the file: GetProtocol, GetLeftLocation, GetRightLocation,

 GetAnchor, GetMimeTypeFromExt.
 
 Please have a look at \helpref{overview}{fs} if you don't know how locations
 are constructed.
 
 GetAnchor, GetMimeTypeFromExt.
 
 Please have a look at \helpref{overview}{fs} if you don't know how locations
 are constructed.
 

+Also consult \helpref{list of available handlers}{fs}.

 
 \wxheading{Notes}
 
 
 \wxheading{Notes}
 

-\begin{itemize}
+\begin{itemize}\itemsep=0pt

 \item The handlers are shared by all instances of wxFileSystem.
 \item The handlers are shared by all instances of wxFileSystem.

-

 \item wxHTML library provides handlers for local files and HTTP or FTP protocol
 \item wxHTML library provides handlers for local files and HTTP or FTP protocol

-

 \item The {\it location} parameter passed to OpenFile or CanOpen methods
 \item The {\it location} parameter passed to OpenFile or CanOpen methods

-is always {\bf absolute} path. You don't need to check the FS's current path!
+is always an {\bf absolute} path. You don't need to check the FS's current path.

 \end{itemize}
 
 \wxheading{Derived from}
 
 \end{itemize}
 
 \wxheading{Derived from}
 

-wxObject
+\helpref{wxObject}{wxobject}
+
+\wxheading{Include files}
+
+<wx/filesys.h>

 
 \wxheading{See also}
 
 
 \wxheading{See also}
 

-\helpref{wxFileSystem}{wxfilesystem},
-\helpref{wxFSFile}{wxfsfile},
+\helpref{wxFileSystem}{wxfilesystem}, 
+\helpref{wxFSFile}{wxfsfile}, 

 \helpref{Overview}{fs}
 
 \helpref{Overview}{fs}
 

+\latexignore{\rtfignore{\wxheading{Members}}}
+

 
 \membersection{wxFileSystemHandler::wxFileSystemHandler}\label{wxfilesystemhandlerwxfilesystemhandler}
 
 
 \membersection{wxFileSystemHandler::wxFileSystemHandler}\label{wxfilesystemhandlerwxfilesystemhandler}
 


@@ -50,8 +54,8 @@ Constructor.
 
 \func{virtual bool}{CanOpen}{\param{const wxString\& }{location}}
 
 
 \func{virtual bool}{CanOpen}{\param{const wxString\& }{location}}
 

-Returns TRUE if the handler is able to open this file (this function doesn't
-check whether the file exists or not, it only checks if it knows the protocol).
+Returns TRUE if the handler is able to open this file. This function doesn't
+check whether the file exists or not, it only checks if it knows the protocol.

 Example:
 
 \begin{verbatim}
 Example:
 
 \begin{verbatim}


@@ -61,68 +65,83 @@ bool MyHand::CanOpen(const wxString& location)
 }
 \end{verbatim}
 
 }
 \end{verbatim}
 

-Must be overwriten in derived handlers.
+Must be overridden in derived handlers.

 
 

-\membersection{wxFileSystemHandler::OpenFile}\label{wxfilesystemhandleropenfile}
+\membersection{wxFileSystemHandler::GetAnchor}\label{wxfilesystemhandlergetanchor}

 
 

-\func{virtual wxFSFile*}{OpenFile}{\param{wxFileSystem\& }{fs}, \param{const wxString\& }{location}}
+\constfunc{wxString}{GetAnchor}{\param{const wxString\& }{location}}

 
 

-Opens the file and returns wxFSFile pointer or NULL if failed.
+Returns the anchor if present in the location.
+See \helpref{wxFSFile}{wxfsfilegetanchor} for details.

 
 

-Must be overwriten in derived handlers.
+Example: GetAnchor("index.htm\#chapter2") == "chapter2"

 
 

-\wxheading{Parameters}
+{\bf Note:} the anchor is NOT part of the left location.

 
 

-\docparam{fs}{Parent FS (the FS from that OpenFile was called). See ZIP handler
-for details how to use it.}
+\membersection{wxFileSystemHandler::GetLeftLocation}\label{wxfilesystemhandlergetleftlocation}

 
 

-\docparam{location}{The {\bf absolute} location of file.}
+\constfunc{wxString}{GetLeftLocation}{\param{const wxString\& }{location}}
+
+Returns the left location string extracted from {\it location}. 
+
+Example: GetLeftLocation("file:myzipfile.zip\#zip:index.htm") == "file:myzipfile.zip"
+
+\membersection{wxFileSystemHandler::GetMimeTypeFromExt}\label{wxfilesystemhandlergetmimetypefromext}
+
+\func{wxString}{GetMimeTypeFromExt}{\param{const wxString\& }{location}}

 
 

+Returns the MIME type based on {\bf extension} of {\it location}. (While wxFSFile::GetMimeType
+returns real MIME type - either extension-based or queried from HTTP.)

 
 

+Example : GetMimeTypeFromExt("index.htm") == "text/html"

 
 \membersection{wxFileSystemHandler::GetProtocol}\label{wxfilesystemhandlergetprotocol}
 
 \constfunc{wxString}{GetProtocol}{\param{const wxString\& }{location}}
 
 
 \membersection{wxFileSystemHandler::GetProtocol}\label{wxfilesystemhandlergetprotocol}
 
 \constfunc{wxString}{GetProtocol}{\param{const wxString\& }{location}}
 

-Returns protocol string extracted from {\it location}. 
+Returns the protocol string extracted from {\it location}. 

 
 

-Example : GetProtocol("file:myzipfile.zip\#zip:index.htm") == "zip"
+Example: GetProtocol("file:myzipfile.zip\#zip:index.htm") == "zip"

 
 

-\membersection{wxFileSystemHandler::GetLeftLocation}\label{wxfilesystemhandlergetleftlocation}
+\membersection{wxFileSystemHandler::GetRightLocation}\label{wxfilesystemhandlergetrightlocation}

 
 

-\constfunc{wxString}{GetLeftLocation}{\param{const wxString\& }{location}}
+\constfunc{wxString}{GetRightLocation}{\param{const wxString\& }{location}}

 
 

-Returns left location string extracted from {\it location}. 
+Returns the right location string extracted from {\it location}. 

 
 

-Example : GetLeftLocation("file:myzipfile.zip\#zip:index.htm") == "file:myzipfile.zip"
+Example : GetRightLocation("file:myzipfile.zip\#zip:index.htm") == "index.htm"

 
 

+\membersection{wxFileSystemHandler::FindFirst}\label{wxfilesystemhandlerfindfirst}

 
 

-\membersection{wxFileSystemHandler::GetAnchor}\label{wxfilesystemhandlergetanchor}
+\func{virtual wxString}{FindFirst}{\param{const wxString\& }{wildcard}, \param{int }{flags = 0}}

 
 

-\constfunc{wxString}{GetAnchor}{\param{const wxString\& }{location}}
+Works like \helpref{wxFindFirstFile}{wxfindfirstfile}. Returns name of the first
+filename (withing filesystem's current path) that matches {\it wildcard}. {\it flags} may be one of
+wxFILE (only files), wxDIR (only directories) or 0 (both).

 
 

-Returns anchor if present in the location.
-See \helpref{wxFSFile}{wxfsfilegetanchor} for details.
+This method is only called if \helpref{CanOpen}{wxfilesystemhandlercanopen} returns TRUE.

 
 

-Example : GetAnchor("index.htm\#chapter2") == "chapter2"
+\membersection{wxFileSystemHandler::FindNext}\label{wxfilesystemhandlerfindnext}

 
 

-{\bf Note:} anchor is NOT part of left location.
+\func{virtual wxString}{FindNext}{\void}

 
 

-\membersection{wxFileSystemHandler::GetRightLocation}\label{wxfilesystemhandlergetrightlocation}
+Returns next filename that matches parameters passed to \helpref{FindFirst}{wxfilesystemfindfirst}.

 
 

-\constfunc{wxString}{GetRightLocation}{\param{const wxString\& }{location}}
+This method is only called if \helpref{CanOpen}{wxfilesystemhandlercanopen} returns TRUE and FindFirst
+returned a non-empty string.

 
 

-Returns right location string extracted from {\it location}. 
+\membersection{wxFileSystemHandler::OpenFile}\label{wxfilesystemhandleropenfile}

 
 

-Example : GetRightLocation("file:myzipfile.zip\#zip:index.htm") == "index.htm"
+\func{virtual wxFSFile*}{OpenFile}{\param{wxFileSystem\& }{fs}, \param{const wxString\& }{location}}

 
 

+Opens the file and returns wxFSFile pointer or NULL if failed.

 
 

-\membersection{wxFileSystemHandler::GetMimeTypeFromExt}\label{wxfilesystemhandlergetmimetypefromext}
+Must be overridden in derived handlers.

 
 

-\func{wxString}{GetMimeTypeFromExt}{\param{const wxString\& }{location}}
+\wxheading{Parameters}

 
 

-Returns MIME type based on {\bf extension} of {\it location}. (While wxFSFile::GetMimeType
-returns real MIME type - either extension-based or queried from HTTP)
+\docparam{fs}{Parent FS (the FS from that OpenFile was called). See ZIP handler
+for details of how to use it.}

 
 

-Example : GetMimeTypeFromExt("index.htm") == "text/html"
+\docparam{location}{The {\bf absolute} location of file.}