Added wxStream but I haven't tested them.

Modified wxDataStream.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@234 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/stream.cpp

@@ -0,0 +1,73 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        stream.cpp
+// Purpose:     wxStream base classes
+// Author:      Guilhem Lavaux
+// Modified by:
+// Created:     11/07/98
+// RCS-ID:      $Id$
+// Copyright:   (c) Guilhem Lavaux
+// Licence:     wxWindows license
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+#pragma implementation "stream.h"
+#endif
+
+#include <wx/object.h>
+#include "stream.h"
+
+#if !USE_SHARED_LIBRARY
+IMPLEMENT_ABSTRACT_CLASS(wxInputStream, wxObject)
+IMPLEMENT_ABSTRACT_CLASS(wxOutputStream, wxObject)
+IMPLEMENT_ABSTRACT_CLASS2(wxStream, wxInputStream, wxOutputStream)
+IMPLEMENT_CLASS(wxFilterInputStream, wxInputStream)
+#endif
+
+wxInputStream::wxInputStream()
+  : wxObject()
+{
+}
+
+wxInputStream::~wxInputStream()
+{
+}
+
+#define BUF_TEMP_SIZE 10000
+
+wxInputStream& wxInputStream::Read(wxOutputStream& stream_out)
+{
+  char buf[BUF_TEMP_SIZE]; 
+  size_t bytes_read = BUF_TEMP_SIZE;
+
+  while (bytes_read == BUF_TEMP_SIZE && !stream_out.Bad()) {
+    bytes_read = Read(buf, bytes_read).LastRead();
+
+    stream_out.Write(buf, bytes_read);
+  }
+  return *this;
+}
+
+wxOutputStream::wxOutputStream()
+  : wxObject()
+{
+}
+
+wxOutputStream::~wxOutputStream()
+{
+}
+
+wxOutputStream& wxOutputStream::Write(wxInputStream& stream_in)
+{
+   stream_in.Read(*this);
+   return *this;
+}
+
+wxFilterInputStream::wxFilterInputStream(wxInputStream& stream)
+  : wxInputStream()
+{
+  m_parent_stream = &stream;
+}
+
+wxFilterInputStream::~wxFilterInputStream()
+{
+}