replaced wxStream::GetSize() with GetLength() (still keep the former but it will be deprecated) (second part of patch 1063498)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@30428 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/strmbase.tex

@@ -27,27 +27,31 @@ None
 % ctor & dtor
 % -----------
 
+
 \membersection{wxStreamBase::wxStreamBase}\label{wxstreambasector}
 
 \func{}{wxStreamBase}{\void}
 
 Creates a dummy stream object. It doesn't do anything.
 
+
 \membersection{wxStreamBase::\destruct{wxStreamBase}}\label{wxstreambasedtor}
 
 \func{}{\destruct{wxStreamBase}}{\void}
 
 Destructor.
 
-\membersection{wxStreamBase::IsOk}\label{wxstreambaseisok}
 
-\constfunc{wxStreamError}{IsOk}{\void}
+\membersection{wxStreamBase::GetLength}\label{wxstreambasegetlength}
 
-Returns true if no error occurred on the stream.
+\constfunc{wxFileOffset}{GetLength}{\void}
 
-\wxheading{See also}
+Returns the length of the stream in bytes. If the length cannot be determined
+(this is always the case for socket streams for example), returns
+\texttt{wxInvalidOffset}.
+
+\newsince{2.5.4}
 
-\helpref{GetLastError}{wxstreambasegetlasterror}
 
 \membersection{wxStreamBase::GetLastError}\label{wxstreambasegetlasterror}
 
@@ -63,6 +67,33 @@ This function returns the last error.
 \twocolitem{{\bf wxSTREAM\_READ\_ERROR}}{A generic error occurred on the last read call.}
 \end{twocollist}
 
+
+\membersection{wxStreamBase::GetSize}\label{wxstreambasegetsize}
+
+\constfunc{size\_t}{GetSize}{\void}
+
+\deprecated{\helpref{GetLength}{wxstreambasegetlength}}
+
+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 $0$ so you should always test its return value.
+
+
+\membersection{wxStreamBase::IsOk}\label{wxstreambaseisok}
+
+\constfunc{wxStreamError}{IsOk}{\void}
+
+Returns true if no error occurred on the stream.
+
+\wxheading{See also}
+
+\helpref{GetLastError}{wxstreambasegetlasterror}
+
+
 \membersection{wxStreamBase::OnSysRead}\label{wxstreambaseonsysread}
 
 \func{size\_t}{OnSysRead}{\param{void*}{ buffer}, \param{size\_t}{ bufsize}}
@@ -70,6 +101,7 @@ This function returns the last error.
 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.
 
+
 \membersection{wxStreamBase::OnSysSeek}\label{wxstreambaseonsysseek}
 
 \func{off\_t}{OnSysSeek}{\param{off\_t}{ pos}, \param{wxSeekMode}{ mode}}
@@ -77,6 +109,7 @@ specified size. It should return the size that was actually read.
 Internal function. It is called when the stream needs to change the
 current position.
 
+
 \membersection{wxStreamBase::OnSysTell}\label{wxstreambaseonsystell}
 
 \constfunc{off\_t}{OnSysTell}{\void}
@@ -84,21 +117,11 @@ current position.
 Internal function. Is is called when the stream needs to know the
 real position.
 
+
 \membersection{wxStreamBase::OnSysWrite}\label{wxstreambaseonsyswrite}
 
 \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 $0$ so you should always test its return value.