X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c7d9131ae533ccecb10f4dcebcb820a7e062a11c..88594d02eb59a55ac85d3210a49d02918124617b:/docs/latex/wx/stream.tex

diff --git a/docs/latex/wx/stream.tex b/docs/latex/wx/stream.tex
index ac3eff3613..a9f7c711c0 100644
--- a/docs/latex/wx/stream.tex
+++ b/docs/latex/wx/stream.tex
@@ -24,26 +24,27 @@ None
 
 \func{}{wxStreamBuffer}{\param{wxStreamBase\&}{ stream}, \param{BufMode}{ mode}}
 
-Constructor, creates a new stream buffer using \it{stream} as a parent stream
-and \it{mode} as the IO mode. \it{mode} can be: wxStreamBuffer::read,
+Constructor, creates a new stream buffer using {\it stream} as a parent stream
+and {\it mode} as the IO mode. {\it mode} can be: wxStreamBuffer::read,
 wxStreamBuffer::write, wxStreamBuffer::read\_write.
-One stream can have many stream buffers but only one is used internally to
-pass IO call (e.g. wxInputStream::Read() -> wxStreamBuffer::Read()). But you
-can call directly wxStreamBuffer::Read without any problems.
 
-\wxheading{Warning}
+One stream can have many stream buffers but only one is used internally to
+pass IO call (e.g. wxInputStream::Read() -> wxStreamBuffer::Read()), but you
+can call directly wxStreamBuffer::Read without any problems. Note that
+all errors and messages linked to the stream are stored in the stream, not
+the stream buffers:
 
-All errors and messages linked to the stream are stored in the stream object.
 \begin{verbatim}
-   streambuffer.Read(...);
-   streambuffer2.Read(...); /* This one erases previous error messages set by 
-                               ``streambuffer'' */
+  streambuffer.Read(...);
+  streambuffer2.Read(...); /* This call erases previous error messages set by 
+                              ``streambuffer'' */
 \end{verbatim}
 
 \func{}{wxStreamBuffer}{\param{BufMode}{ mode}}
 
 Constructor, creates a new empty stream buffer which won't flush any data
-to a stream. \it{mode} specifies the type of the buffer (read, write, read\_write). This stream buffer has the advantage to be stream independent and to
+to a stream. {\it mode} specifies the type of the buffer (read, write, read\_write).
+This stream buffer has the advantage to be stream independent and to
 work only on memory buffers but it is still compatible with the rest of the
 wxStream classes. You can write, read to this special stream and it will
 grow (if it is allowed by the user) its internal buffer. Briefly, it has all
@@ -52,32 +53,15 @@ functionality of a ``normal'' stream.
 \wxheading{Warning}
 
 The "read\_write" mode may not work: it isn't completely finished.
-You can create "memory" streams by this way:
-
-\begin{verbatim}
-  wxStreamBuffer *sb = new wxStreamBuffer(wxStreamBuffer::read)
-  wxInputStream *input = new wxInputStream(sb);
-
-  sb->Fixed(FALSE); // It can change the size of the buffer.
-
-  // input is now a read-only memory stream.
-\end{verbatim}
-
-But you should take care when destroying the stream buffer yourself.
 
 \func{}{wxStreamBuffer}{\param{const wxStreamBuffer\&}{buffer}}
 
 Constructor. It initializes the stream buffer with the data of the specified
-stream buffer. The new stream buffer is nearly exactly the same as the
-original: it has the same attributes, the same size, the same position, shares
-the same internal buffer. The interresting point is that they can differ
-in the future but the root is the same.
-
-\wxheading{Warning}
-
-The fact that the two stream buffers shared the same buffer could generate
-segmentation violation if the parent is destroyed and the children continues
-operating. It is advised to use this feature only in very local area of the
+stream buffer. The new stream buffer has the same attributes, size, position
+and they share the same buffer. This will cause problems if the stream to
+which the stream buffer belong is destroyed and the newly cloned stream
+buffer continues to be used, trying to call functions in the (destroyed)
+stream. It is advised to use this feature only in very local area of the
 program.
 
 \wxheading{See also}
@@ -89,9 +73,7 @@ program.
 \func{}{wxStreamBuffer}{\destruct{wxStreamBuffer}}
 
 Destructor. It finalizes all IO calls and frees all internal buffers if
-necessary. In the case of a children stream buffer, the internal buffer isn't
-freed, this is the job of the parent.
-The "Write-Back" buffer is freed.
+necessary.
 
 % -----------
 % Filtered IO
@@ -100,32 +82,31 @@ The "Write-Back" buffer is freed.
 
 \func{size\_t}{Read}{\param{void *}{buffer}, \param{size\_t }{size}}
 
-Reads a block of the specified \it{size} and stores datas in \it{buffer}.
-This function uses also the "Write-Back" buffer: in the case there are datas
-waiting in this buffer, they are used before anything else. After that, if there
-are still datas to be read, the stream is read and the stream buffer position
-is incremented.
+Reads a block of the specified {\it size} and stores the data in {\it buffer}.
+This function tries to read from the buffer first and if more data has been
+requested, reads more data from the associated stream and updates the buffer
+accordingly until all requested data is read.
 
 \wxheading{Return value}
 
-It returns the real read size. If returned size is different of the specified 
-\it{size}, an error occured and should be tested using 
+It returns the size of the data read. If the returned size is different of the specified 
+{\it size}, an error has occurred and should be tested using 
 \helpref{LastError}{wxstreambaselasterror}.
 
-\wxheading{See also}
+\func{size\_t}{Read}{\param{wxStreamBuffer *}{buffer}}
 
-\helpref{wxStreamBuffer::WriteBack}{wxstreambufferwriteback}
+Reads a {\it buffer}. The function returns when {\it buffer} is full or when there isn't
+data anymore in the current buffer.
 
-\func{size\_t}{Read}{\param{wxStreamBuffer *}{buffer}}
+\wxheading{See also}
 
-Reads a \it{buffer}. The function returns when \it{buffer} is full or
-when there aren't datas anymore in the current buffer.
+\helpref{wxStreamBuffer::Write}{wxstreambufferwrite}
 
 \membersection{wxStreamBuffer::Write}\label{wxstreambufferwrite}
 
 \func{size\_t}{Write}{\param{const void *}{buffer}, \param{size\_t }{size}}
 
-Writes a block of the specified \it{size} using datas of \it{buffer}. The datas
+Writes a block of the specified {\it size} using datas of {\it buffer}. The datas
 are cached in a buffer before being sent in one block to the stream.
 
 \func{size\_t}{Write}{\param{wxStreamBuffer *}{buffer}}
@@ -140,7 +121,7 @@ Gets a single char from the stream buffer. It acts like the Read call.
 
 \wxheading{Problem}
 
-You aren't directly notified if an error occured during the IO call.
+You aren't directly notified if an error occurred during the IO call.
 
 \wxheading{See also}
 
@@ -154,7 +135,7 @@ Puts a single char to the stream buffer.
 
 \wxheading{Problem}
 
-You aren't directly notified if an error occured during the IO call.
+You aren't directly notified if an error occurred during the IO call.
 
 \wxheading{See also}
 
@@ -165,8 +146,8 @@ You aren't directly notified if an error occured during the IO call.
 \constfunc{off\_t}{Tell}{\void}
 
 Gets the current position in the stream. This position is calculated from
-the \it{real} position in the stream and from the internal buffer position: so
-it gives you the position in the \it{real} stream counted from the start of
+the {\it real} position in the stream and from the internal buffer position: so
+it gives you the position in the {\it real} stream counted from the start of
 the stream.
 
 \wxheading{Return value}
@@ -180,7 +161,7 @@ other case.
 
 Changes the current position.
 
-\it{mode} may be one of the following:
+{\it mode} may be one of the following:
 
 \twocolwidtha{5cm}
 \begin{twocollist}\itemsep=0pt
@@ -214,9 +195,9 @@ you create an empty stream buffer (See \helpref{wxStreamBuffer::wxStreamBuffer}{
 
 \wxheading{Remarks}
 
-When you use this function, you'll have to destroy the IO buffers yourself
+When you use this function, you will have to destroy the IO buffers yourself
 after the stream buffer is destroyed or don't use it anymore.
-In the case you use it with an empty buffer, the stream buffer will not grow
+In the case you use it with an empty buffer, the stream buffer will not resize
 it when it is full.
 
 \wxheading{See also}
@@ -289,7 +270,7 @@ Returns the amount of bytes read during the last IO call to the parent stream.
 \func{void}{Fixed}{\param{bool}{ fixed}}
 
 Toggles the fixed flag. Usually this flag is toggled at the same time as 
-\it{flushable}. This flag allows (when it has the FALSE value) or forbids
+{\it flushable}. This flag allows (when it has the FALSE value) or forbids
 (when it has the TRUE value) the stream buffer to resize dynamically the IO buffer.
 
 \wxheading{See also}
@@ -300,7 +281,7 @@ Toggles the fixed flag. Usually this flag is toggled at the same time as
 
 \func{void}{Flushable}{\param{bool}{ flushable}}
 
-Toggles the flushable flag. If \it{flushable} is disabled, no datas are sent
+Toggles the flushable flag. If {\it flushable} is disabled, no datas are sent
 to the parent stream.
 
 \membersection{wxStreamBuffer::FlushBuffer}