/*

* Copyright (c) 2005 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:   Class for packaging a descriptor array for IPC.

*

*/

#include "CNcnPackDescrArray.h"

#include <s32mem.h>

namespace {

// Local utility functions:

TInt PackedLength( const MDesCArray& aArray )

    {

    const TInt count = aArray.MdcaCount();

    TInt result = count * sizeof( TInt32 );

    for ( TInt i = 0; i < count; ++i )

        {

        result += aArray.MdcaPoint( i ).Size();

        }

    return result;

    }

void PackArrayL( TDes8& aBuffer, const MDesCArray& aArray )

    {

    RDesWriteStream stream( aBuffer );

    CleanupClosePushL( stream );

    const TInt count = aArray.MdcaCount();

    for ( TInt i = 0; i < count; ++i )

        {

        TPtrC des( aArray.MdcaPoint( i ) );

        stream.WriteInt32L( des.Length() );

        stream.WriteL( des );

        }

    CleanupStack::PopAndDestroy();  // stream

    }

} // namespace

// ----------------------------------------------------------------------------

// MEMBER FUNCTIONS

// ----------------------------------------------------------------------------

//

// ----------------------------------------------------------------------------

// CNcnPackDescrArray::NewLC

//

// Symbian two-phased constructor.

// ----------------------------------------------------------------------------

//

CNcnPackDescrArray* CNcnPackDescrArray::NewL()

	{

	CNcnPackDescrArray* self = new( ELeave ) CNcnPackDescrArray;	

	return self;

	}

// ----------------------------------------------------------------------------

// CNcnPackDescrArray::NewLC

//

// Symbian two-phased constructor.

// ----------------------------------------------------------------------------

//

CNcnPackDescrArray* CNcnPackDescrArray::NewLC()

	{

	CNcnPackDescrArray* self = new( ELeave ) CNcnPackDescrArray;

	CleanupStack::PushL( self );

	return self;

	}

// ----------------------------------------------------------------------------

// CNcnPackDescrArray::PackL

//

// Packages descriptor array to a buffer.

// ----------------------------------------------------------------------------

//

TDesC8* CNcnPackDescrArray::PackL( const MDesCArray& aSourceArray )

	{

	const TInt packedLength = PackedLength( aSourceArray );

	HBufC8* buffer = HBufC8::NewLC( packedLength );

	TPtr8 bufferPtr = buffer->Des();

	PackArrayL( bufferPtr, aSourceArray );	

	CleanupStack::Pop( buffer );

	return buffer;

	}

// ----------------------------------------------------------------------------

// CNcnPackDescrArray::~CNcnPackDescrArray

//

// Destructor.

// ----------------------------------------------------------------------------

//

CNcnPackDescrArray::~CNcnPackDescrArray()

    {

    }

// ----------------------------------------------------------------------------

// CNcnPackDescrArray::CNcnPackDescrArray

//

// Constructor.

// ----------------------------------------------------------------------------

//

CNcnPackDescrArray::CNcnPackDescrArray()

    {

    }

// End of file