plugins/consoles/rcons/server/win32/DynamicBuffer.cpp
changeset 0 7f656887cf89
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/consoles/rcons/server/win32/DynamicBuffer.cpp	Wed Jun 23 15:52:26 2010 +0100
@@ -0,0 +1,123 @@
+// DynamicBuffer.cpp
+// 
+// Copyright (c) 2010 Accenture. All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+// 
+// Initial Contributors:
+// Accenture - Initial contribution
+//
+
+#include "Misc.h"
+#include "stdafx.h"
+#include "console_host.h"
+#include "DynamicBuffer.h"
+
+
+CDynamicReadBuffer* CDynamicReadBuffer::New(int aInitialLength)
+	{
+	std::auto_ptr<CDynamicReadBuffer> self(new(EThrow) CDynamicReadBuffer());
+	self->Construct(aInitialLength);
+	return self.release();
+	}
+
+CDynamicReadBuffer::~CDynamicReadBuffer()
+	{
+	delete iBuf;
+	}
+
+const char* CDynamicReadBuffer::Buffer() const
+	{
+	return iBuf;
+	}
+
+char* CDynamicReadBuffer::Buffer(int aLength)
+	{
+	if (aLength > iMaxBufLength)
+		{
+		GrowBuf(aLength);
+		}
+	return iBuf;
+	}
+
+CDynamicReadBuffer::CDynamicReadBuffer() : iBuf(NULL), iMaxBufLength(0)
+	{
+	}
+
+void CDynamicReadBuffer::Construct(int aInitialLength)
+	{
+	GrowBuf(aInitialLength);
+	}
+
+void CDynamicReadBuffer::GrowBuf(int aNewLength)
+	{
+	ASSERT(aNewLength > iMaxBufLength);
+	char* newBuf = new(EThrow) char[aNewLength];
+	delete iBuf;
+	iBuf = newBuf;
+	iMaxBufLength = aNewLength;
+	}
+
+
+CDynamicWriteBuffer* CDynamicWriteBuffer::New(int aInitialLength)
+	{
+	std::auto_ptr<CDynamicWriteBuffer> self(new(EThrow) CDynamicWriteBuffer());
+	self->Construct(aInitialLength);
+	return self.release();
+	}
+
+CDynamicWriteBuffer::~CDynamicWriteBuffer()
+	{
+	delete iBuf;
+	}
+
+void CDynamicWriteBuffer::Add(char* aBuf, int aLength)
+	{
+	if (aLength > (iMaxBufLength - iCurrentBufLength))
+		{
+		GrowBuf(iCurrentBufLength + aLength);
+		}
+	memcpy(iBuf + iCurrentBufLength, aBuf, aLength);
+	iCurrentBufLength += aLength;
+	}
+
+void CDynamicWriteBuffer::Remove(int aLength)
+	{
+	ASSERT(aLength <= iCurrentBufLength);
+	memmove(iBuf, iBuf + aLength, iCurrentBufLength - aLength);
+	iCurrentBufLength -= aLength;
+	}
+
+const char* CDynamicWriteBuffer::Buffer() const
+	{
+	return iBuf;
+	}
+
+int CDynamicWriteBuffer::Length() const
+	{
+	return iCurrentBufLength;
+	}
+
+CDynamicWriteBuffer::CDynamicWriteBuffer() : iBuf(NULL), iMaxBufLength(0), iCurrentBufLength(0)
+	{
+	}
+
+void CDynamicWriteBuffer::Construct(int aInitialLength)
+	{
+	GrowBuf(aInitialLength);
+	}
+
+void CDynamicWriteBuffer::GrowBuf(int aNewLength)
+	{
+	ASSERT(aNewLength > iMaxBufLength);
+	char* newBuf = new(EThrow) char[aNewLength];
+	if (iBuf)
+		{
+		memcpy(newBuf, iBuf, iCurrentBufLength);
+		delete iBuf;
+		}
+	iBuf = newBuf;
+	iMaxBufLength = aNewLength;
+	}