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

diff --git a/docs/latex/wx/strmbase.tex b/docs/latex/wx/strmbase.tex
index cfd0d3bfdded070db7e3bd964e21353c4bce7923..23d8b3defaf1058cf48c27fbfcb9fbe498c4516d 100644 (file)
--- a/docs/latex/wx/strmbase.tex
+++ b/docs/latex/wx/strmbase.tex
@@ -3,10 +3,17 @@
 % -----------------------------------------------------------------------------
 \section{\class{wxStreamBase}}\label{wxstreambase}
 
 % -----------------------------------------------------------------------------
 \section{\class{wxStreamBase}}\label{wxstreambase}
 

+This class is the base class of most stream related classes in wxWidgets. It must
+not be used directly.
+

 \wxheading{Derived from}
 
 None
 
 \wxheading{Derived from}
 
 None
 

+\wxheading{Include files}
+
+<wx/stream.h>
+

 \wxheading{See also}
 
 \helpref{wxStreamBuffer}{wxstreambuffer}
 \wxheading{See also}
 
 \helpref{wxStreamBuffer}{wxstreambuffer}


@@ -20,126 +27,78 @@ None
 % ctor & dtor
 % -----------
 
 % ctor & dtor
 % -----------
 

-\membersection{wxStreamBase::wxStreamBase}
+\membersection{wxStreamBase::wxStreamBase}\label{wxstreambasector}

 
 \func{}{wxStreamBase}{\void}
 
 
 \func{}{wxStreamBase}{\void}
 

-Creates a dummy stream object.
+Creates a dummy stream object. It doesn't do anything.

 
 

-\membersection{wxStreamBase::\destruct{wxStreamBase}}
+\membersection{wxStreamBase::\destruct{wxStreamBase}}\label{wxstreambasedtor}

 
 \func{}{\destruct{wxStreamBase}}{\void}
 
 Destructor.
 
 
 \func{}{\destruct{wxStreamBase}}{\void}
 
 Destructor.
 

-\membersection{wxStreamBase::LastError}\label{wxstreambaselasterror}
-
-\constfunc{wxStreamError}{LastError}{\void}
-
-This function returns the last error.
-It is of the form:
-\twocolwidtha{7cm}%
-\begin{twocollist}\itemsep=0pt
-\twocolitem{{\bf wxStream_NOERROR}}{No error occured.}
-\twocolitem{{\bf wxStream_EOF}}{An End Of File exception occured.}
-\twocolitem{{\bf wxStream_WRITE_ERR}{Error during the last write call.}
-\twocolitem{{\bf wxStream_READ_ERR}{Error during the last read call.}
-\end{twocollist}%
-
-\membersection{wxStreamBase::StreamSize}
-\constfunc{size_t}{StreamSize}{\void}
-
-This function returns the size of the stream. For example, for a file it is the size of
-the file). Warning! There are streams which do not have size by definition, such as a socket.
-
-\membersection{wxStreamBase::OnSysRead}\label{wxstreambaseonsysread}
-
-\func{size_t}{OnSysRead}{\param{void*}{ buffer}, \param{size_t}{ bufsize}}
-
-Internal function. It is called when the stream buffer needs a buffer of the
-specified size. It should return the size that was actually read.
-
-\membersection{wxStreamBase::OnSysWrite}
-
-\func{size_t}{OnSysWrite}{\param{void *}{buffer}, \param{size_t}{ bufsize}}
-
-See \helpref{OnSysRead}{wxstreambaseonsysread}.
-
-\membersection{wxStreamBase::OnSysSeek}
+\membersection{wxStreamBase::IsOk}\label{wxstreambaseisok}

 
 

-\func{off_t}{OnSysSeek}{\param{off_t}{ pos}, \param{wxSeekMode}{ mode}}
+\constfunc{wxStreamError}{IsOk}{\void}

 
 

-Internal function. It is called when the stream buffer needs to change the
-current position in the stream. See \helpref{wxStreamBuffer::Seek}{wxstreambufferseek}
+Returns true if no error occurred on the stream.

 
 

-\membersection{wxStreamBase::OnSysTell}
+\wxheading{See also}

 
 

-\constfunc{off_t}{OnSysTell}{\void}
+\helpref{GetLastError}{wxstreambasegetlasterror}

 
 

-Internal function. Is is called when the stream buffer needs to know the
-current position in the stream.
+\membersection{wxStreamBase::GetLastError}\label{wxstreambasegetlasterror}

 
 

-% -----------------------------------------------------------------------------
-% wxInputStream
-% -----------------------------------------------------------------------------
-\section{\class{wxInputStream}}\label{wxinputstream}
+\constfunc{wxStreamError}{GetLastError}{\void}

 
 

-\wxheading{Derived from}
+This function returns the last error.

 
 

-\helpref{wxStreamBase}{wxstreambase}
+\twocolwidtha{5cm}
+\begin{twocollist}\itemsep=0pt
+\twocolitem{{\bf wxSTREAM\_NO\_ERROR}}{No error occurred.}
+\twocolitem{{\bf wxSTREAM\_EOF}}{An End-Of-File occurred.}
+\twocolitem{{\bf wxSTREAM\_WRITE\_ERROR}}{A generic error occurred on the last write call.}
+\twocolitem{{\bf wxSTREAM\_READ\_ERROR}}{A generic error occurred on the last read call.}
+\end{twocollist}

 
 

-\wxheading{See also}
+\membersection{wxStreamBase::OnSysRead}\label{wxstreambaseonsysread}

 
 

-\helpref{wxStreamBuffer}{wxstreambuffer}
+\func{size\_t}{OnSysRead}{\param{void*}{ buffer}, \param{size\_t}{ bufsize}}

 
 

-% -----------------------------------------------------------------------------
-% Members
-% -----------------------------------------------------------------------------
-\latexignore{\rtfignore{\wxheading{Members}}} 
+Internal function. It is called when the stream wants to read data of the
+specified size. It should return the size that was actually read.

 
 

-% -----------
-% ctor & dtor
-% -----------
+\membersection{wxStreamBase::OnSysSeek}\label{wxstreambaseonsysseek}

 
 

-\membersection{wxInputStream::wxInputStream}
-\func{}{wxInputStream}{\void}
+\func{off\_t}{OnSysSeek}{\param{off\_t}{ pos}, \param{wxSeekMode}{ mode}}

 
 

-Initializes a dummy input stream.
+Internal function. It is called when the stream needs to change the
+current position.

 
 

-\func{}{wxInputStream}{\param{wxStreamBuffer *}{sbuf}}
+\membersection{wxStreamBase::OnSysTell}\label{wxstreambaseonsystell}

 
 

-Initializes an input stream linked to the specified stream buffer.
+\constfunc{off\_t}{OnSysTell}{\void}

 
 

-\membersection{wxInputStream::\destruct{wxInputStream}}
-\func{}{\destruct{wxInputStream}{\void}
+Internal function. Is is called when the stream needs to know the
+real position.

 
 

-Destructor.
+\membersection{wxStreamBase::OnSysWrite}\label{wxstreambaseonsyswrite}

 
 

-% -------
-% IO call
-% -------
+\func{size\_t}{OnSysWrite}{\param{void *}{buffer}, \param{size\_t}{ bufsize}}

 
 

-\membersection{wxInputStream::Peek}
-\func{char}{Peek}{\void}
+See \helpref{OnSysRead}{wxstreambaseonsysread}.

 
 

-\membersection{wxInputStream::GetC}
-\func{char}{GetC}{\void}
+\membersection{wxStreamBase::GetSize}\label{wxstreambasegetsize}

 
 

-\membersection{wxInputStream::Read}
-\func{wxInputStream&}{Read}{\param{void *}{buffer}, \param{size_t}{ size}}
-\func{wxInputStream&}{Read}{\param{wxOutputStream&}{ stream_out}}
+\constfunc{size\_t}{GetSize}{\void}

 
 

-\membersection{wxInputStream::SeekI}
-\func{off_t}{SeekI}{\param{off_t}{ pos}, \param{wxSeekMode}{ mode = wxFromStart}}
+This function returns the size of the stream. For example, for a file it is the size of
+the file.

 
 

-\membersection{wxInputStream::TellI}
-\constfunc{off_t}{TellI}{\void}
+\wxheading{Warning}

 
 

-% -----
-% State
-% -----
-\membersection{wxInputStream::InputStreamBuffer}
-\func{wxStreamBuffer *}{InputStreamBuffer}{\void}
+There are streams which do not have size by definition, such as socket streams.
+In that cases, GetSize returns $0$ so you should always test its return value.

 
 

-\membersection{wxInputStream::LastRead}
-\func{size_t}{LastRead}{\void}