// 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:

//

/**

 @file

 @publishedPartner

*/

#include <mtp/mtpdatatypeconstants.h>

#include <mtp/tmtptypeint128.h>

/**

Default constructor.

*/

EXPORT_C TMTPTypeInt128::TMTPTypeInt128()

    {

    iData.FillZ(iData.MaxLength());

    }

/**

Conversion constructor.

*/

EXPORT_C TMTPTypeInt128::TMTPTypeInt128(const TPtrC8& aData) : 

    iData(aData)

    {

    }

/**

Sets the data type to the specified value.

*/  

EXPORT_C void TMTPTypeInt128::Set(TInt64 aUpperValue, TUint64 aLowerValue)

	{

    memcpy(&iData[KMTPTypeInt128OffsetMS], &aUpperValue, sizeof(aUpperValue));

    memcpy(&iData[KMTPTypeInt128OffsetLS], &aLowerValue, sizeof(aLowerValue));

	}

/**

Provides the least significant portion of the data type.

@return The least significant 64 bits of the value.

*/    

EXPORT_C TUint64 TMTPTypeInt128::LowerValue() const

    {    

    // memcpy the data to avoid alignment errors.

    TInt64 ret;

    memcpy(&ret, &iData[KMTPTypeInt128OffsetLS], sizeof(ret));

    return ret;

    }

/**

Provides the most significant portion of type's value.

@return The most significant 64 bits of the value.

*/    

EXPORT_C TInt64 TMTPTypeInt128::UpperValue() const

    {

    // memcpy the data to avoid alignment errors.

    TInt64 ret;

    memcpy(&ret, &iData[KMTPTypeInt128OffsetMS], sizeof(ret));

    return ret;

    }  

EXPORT_C TInt TMTPTypeInt128::FirstReadChunk(TPtrC8& aChunk) const

    {

	aChunk.Set(iData);

    return KMTPChunkSequenceCompletion;

    }

EXPORT_C TInt TMTPTypeInt128::NextReadChunk(TPtrC8& aChunk) const

    {

    aChunk.Set(NULL, 0);

    return KErrNotReady;

    }

EXPORT_C TInt TMTPTypeInt128::FirstWriteChunk(TPtr8& aChunk)

    {

	aChunk.Set(&iData[0], 0, iData.MaxLength());

    return KMTPChunkSequenceCompletion;

    }

EXPORT_C TInt TMTPTypeInt128::NextWriteChunk(TPtr8& aChunk)

    {

    aChunk.Set(NULL, 0, 0);

    return KErrNotReady;

    }

EXPORT_C TUint64 TMTPTypeInt128::Size() const

    {

    return iData.MaxLength();

    }

EXPORT_C TUint TMTPTypeInt128::Type() const

    {

    return EMTPTypeINT128;

    }