X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/77a3b7800b8b6768111eeb222192e646d1a713e0..135ebb43cba169906a1bc14f7840b26c75ed4240:/docs/latex/wx/strmbase.tex?ds=sidebyside diff --git a/docs/latex/wx/strmbase.tex b/docs/latex/wx/strmbase.tex index 5902315c4e..5cc9320525 100644 --- a/docs/latex/wx/strmbase.tex +++ b/docs/latex/wx/strmbase.tex @@ -7,6 +7,10 @@ None +\wxheading{Include files} + + + \wxheading{See also} \helpref{wxStreamBuffer}{wxstreambuffer} @@ -24,7 +28,7 @@ None \func{}{wxStreamBase}{\void} -Creates a dummy stream object. +Creates a dummy stream object. It doesn't do anything. \membersection{wxStreamBase::\destruct{wxStreamBase}} @@ -37,39 +41,54 @@ Destructor. \constfunc{wxStreamError}{LastError}{\void} This function returns the last error. -% It is of the form: -% TODO - -\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. +\twocolwidtha{5cm} +\begin{twocollist}\itemsep=0pt +\twocolitem{{\bf wxStream\_NOERROR}}{No error occured.} +\twocolitem{{\bf wxStream\_EOF}}{An End-Of-File occured.} +\twocolitem{{\bf wxStream\_WRITE\_ERR}}{A generic error occured on the last write call.} +\twocolitem{{\bf wxStream\_READ\_ERR}}{A generic error occured on the last read call.} +\end{twocollist} \membersection{wxStreamBase::OnSysRead}\label{wxstreambaseonsysread} -\func{size_t}{OnSysRead}{\param{void*}{ buffer}, \param{size_t}{ bufsize}} +\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} -\func{off_t}{OnSysSeek}{\param{off_t}{ pos}, \param{wxSeekMode}{ mode}} +\func{off\_t}{OnSysSeek}{\param{off\_t}{ pos}, \param{wxSeekMode}{ mode}} Internal function. It is called when the stream buffer needs to change the current position in the stream. See \helpref{wxStreamBuffer::Seek}{wxstreambufferseek} \membersection{wxStreamBase::OnSysTell} -\constfunc{off_t}{OnSysTell}{\void} +\constfunc{off\_t}{OnSysTell}{\void} Internal function. Is is called when the stream buffer needs to know the -current position in the stream. +real position in the stream. + +\membersection{wxStreamBase::OnSysWrite} + +\func{size\_t}{OnSysWrite}{\param{void *}{buffer}, \param{size\_t}{ bufsize}} + +See \helpref{OnSysRead}{wxstreambaseonsysread}. + +\membersection{wxStreamBase::GetSize}\label{wxstreambasegetsize} + +\constfunc{size\_t}{GetSize}{\void} + +This function returns the size of the stream. For example, for a file it is the size of +the file). + +\wxheading{Warning} + +There are streams which do not have size by definition, such as socket streams. +In that cases, GetSize returns an invalid size represented by + +\begin{verbatim} +~(size_t)0 +\end{verbatim}