--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmlibs/mmfw/Recogniser/src/bufferreader.cpp	Thu Oct 07 22:34:12 2010 +0100
@@ -0,0 +1,99 @@
+// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "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:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#include "readers.h"
+
+// Descriptors support a maximum of 2^28 bytes.
+// The highest 4 bits are used for other purposes.
+static const TInt KMaxDesLen = (2 << 28) - 1;
+static const TInt KMinDesLen = -(2 << 28);		
+
+//
+//
+//
+CBufferReader::CBufferReader(const TDesC8& aBuffer)
+ :	CReader(aBuffer, CReader::EBuffer)
+	{
+	}
+	
+//
+//
+//
+CBufferReader::CBufferReader(const TDesC8& aBuffer, TReaderType aType)
+ :	CReader(aBuffer, aType)
+	{
+	}
+	
+//
+//
+//
+CBufferReader::~CBufferReader()
+	{
+	}
+
+//
+//
+//
+CBufferReader* CBufferReader::NewLC(const TDesC8& aBuffer)
+	{
+	CBufferReader* self = new(ELeave) CBufferReader(aBuffer);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	return self;
+	}
+	
+//
+//
+//
+void CBufferReader::ConstructL()
+	{
+	}
+
+//
+//
+//
+void CBufferReader::Reset()
+	{
+	CReader::Reset();
+	}
+
+//
+//
+//
+void CBufferReader::SeekL(TInt64 aOffset)
+	{
+	// Symbian OS descriptors support a maximum size of 2^28 bytes.
+	if (aOffset > (TInt64)KMaxDesLen)
+		{
+		User::Leave(KErrNotSupported);
+		}
+		
+	if (aOffset < (TInt64)KMinDesLen)
+		{
+		User::Leave(KErrNotSupported);
+		}
+	
+	TInt low = (TInt)I64LOW(aOffset);
+	SeekL(low);
+	}
+
+//
+//
+//
+void CBufferReader::SeekL(TInt aOffset)
+	{
+	User::LeaveIfError(CReader::Seek(aOffset));
+	}
+