Initial commit of the synergy trunk sources from sf.net

lib/io/CStreamFilter.cpp

@@ -0,0 +1,113 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2004 Chris Schoeneman
+ * 
+ * This package is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * found in the file COPYING that should have accompanied this file.
+ * 
+ * This package is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "CStreamFilter.h"
+#include "IEventQueue.h"
+#include "TMethodEventJob.h"
+
+//
+// CStreamFilter
+//
+
+CStreamFilter::CStreamFilter(IStream* stream, bool adoptStream) :
+	m_stream(stream),
+	m_adopted(adoptStream)
+{
+	// replace handlers for m_stream
+	EVENTQUEUE->removeHandlers(m_stream->getEventTarget());
+	EVENTQUEUE->adoptHandler(CEvent::kUnknown, m_stream->getEventTarget(),
+							new TMethodEventJob<CStreamFilter>(this,
+								&CStreamFilter::handleUpstreamEvent));
+}
+
+CStreamFilter::~CStreamFilter()
+{
+	EVENTQUEUE->removeHandler(CEvent::kUnknown, m_stream->getEventTarget());
+	if (m_adopted) {
+		delete m_stream;
+	}
+}
+
+void
+CStreamFilter::close()
+{
+	getStream()->close();
+}
+
+UInt32
+CStreamFilter::read(void* buffer, UInt32 n)
+{
+	return getStream()->read(buffer, n);
+}
+
+void
+CStreamFilter::write(const void* buffer, UInt32 n)
+{
+	getStream()->write(buffer, n);
+}
+
+void
+CStreamFilter::flush()
+{
+	getStream()->flush();
+}
+
+void
+CStreamFilter::shutdownInput()
+{
+	getStream()->shutdownInput();
+}
+
+void
+CStreamFilter::shutdownOutput()
+{
+	getStream()->shutdownOutput();
+}
+
+void*
+CStreamFilter::getEventTarget() const
+{
+	return const_cast<void*>(reinterpret_cast<const void*>(this));
+}
+
+bool
+CStreamFilter::isReady() const
+{
+	return getStream()->isReady();
+}
+
+UInt32
+CStreamFilter::getSize() const
+{
+	return getStream()->getSize();
+}
+
+IStream*
+CStreamFilter::getStream() const
+{
+	return m_stream;
+}
+
+void
+CStreamFilter::filterEvent(const CEvent& event)
+{
+	EVENTQUEUE->dispatchEvent(CEvent(event.getType(),
+						getEventTarget(), event.getData()));
+}
+
+void
+CStreamFilter::handleUpstreamEvent(const CEvent& event, void*)
+{
+	filterEvent(event);
+}