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// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#include "readers.h"
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// Descriptors support a maximum of 2^28 bytes.
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// The highest 4 bits are used for other purposes.
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static const TInt KMaxDesLen = (2 << 28) - 1;
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static const TInt KMinDesLen = -(2 << 28);
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//
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//
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//
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CBufferReader::CBufferReader(const TDesC8& aBuffer)
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: CReader(aBuffer, CReader::EBuffer)
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{
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}
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//
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//
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//
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CBufferReader::CBufferReader(const TDesC8& aBuffer, TReaderType aType)
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: CReader(aBuffer, aType)
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{
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}
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//
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//
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//
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CBufferReader::~CBufferReader()
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{
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}
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//
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//
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//
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CBufferReader* CBufferReader::NewLC(const TDesC8& aBuffer)
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{
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CBufferReader* self = new(ELeave) CBufferReader(aBuffer);
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CleanupStack::PushL(self);
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self->ConstructL();
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return self;
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}
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//
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//
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//
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void CBufferReader::ConstructL()
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{
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}
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//
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//
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//
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void CBufferReader::Reset()
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{
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CReader::Reset();
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}
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//
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//
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//
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void CBufferReader::SeekL(TInt64 aOffset)
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{
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// Symbian OS descriptors support a maximum size of 2^28 bytes.
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if (aOffset > (TInt64)KMaxDesLen)
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{
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User::Leave(KErrNotSupported);
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}
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if (aOffset < (TInt64)KMinDesLen)
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{
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User::Leave(KErrNotSupported);
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}
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TInt low = (TInt)I64LOW(aOffset);
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SeekL(low);
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}
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//
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//
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//
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void CBufferReader::SeekL(TInt aOffset)
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{
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User::LeaveIfError(CReader::Seek(aOffset));
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}
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