/*

* Copyright (c) 2002 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:  

*	  This is the implementation of the class defined in TCnvUnit.h

*

*/

#include <barsread.h>

#include <s32strm.h>

#include "TCnvUnit.h"

TCnvUnit::TCnvUnit() : 

	iFactor( 0 ), iOffset( 0 ), 

	iMinimum( 0 ), iId( 0 ), 

	iIsTemperatureUnit( EFalse ),

	iIsCurrencyUnit ( EFalse )

	{

	}

// Read the data from a resource. If this is a temperature unit we have

// a couple extra parameters to read.

void TCnvUnit::ReadFromResource( TResourceReader& aReader,

								 TBool aIsTemperature, TBool aIsCurrencyUnit )

	{

	// This flag has been done to avoid storing the two additional TReals in

	// resources and streams (they are valid only for temperature units).

	iIsTemperatureUnit = aIsTemperature;

	iIsCurrencyUnit = aIsCurrencyUnit;

	iName.Copy( aReader.ReadTPtrC() );

	iFactor = aReader.ReadReal64();

	iId = aReader.ReadUint16();

	if( iIsTemperatureUnit )

		{

		iOffset = aReader.ReadReal64();

		iMinimum = aReader.ReadReal64();

		}

	if(iIsCurrencyUnit)	

		{

		TUint nameType (aReader.ReadUint8());

		iNameType = (TCurrencyType)nameType;

		}

	}

// Store the data in a stream.

void TCnvUnit::ExternalizeL( RWriteStream& aStream ) const

	{

	aStream.WriteUint16L( iName.Length() );

	aStream.WriteL( iName );

	aStream.WriteReal64L( iFactor );

	aStream.WriteUint16L( iId );

	aStream.WriteUint8L( iIsTemperatureUnit );

	if( iIsTemperatureUnit )

		{

		aStream.WriteReal64L( iOffset );

		aStream.WriteReal64L( iMinimum );

		}

	aStream.WriteUint8L( iIsCurrencyUnit );

	if(iIsCurrencyUnit)

		{

		aStream.WriteUint8L( iNameType );

		}

	}

// Recover the data from a stream.

void TCnvUnit::InternalizeL( RReadStream& aStream, TBool aIsCurrencyCategory )

	{

	iIsCurrencyUnit = aIsCurrencyCategory;

	TUint nameLength( aStream.ReadUint16L() );

	aStream.ReadL( iName, nameLength );

	iFactor = aStream.ReadReal64L();

	iId = aStream.ReadUint16L();

	iIsTemperatureUnit = aStream.ReadUint8L();

	if( iIsTemperatureUnit )

		{

		iOffset = aStream.ReadReal64L();

		iMinimum = aStream.ReadReal64L();

		}

	iIsCurrencyUnit = aStream.ReadUint8L();

	if(iIsCurrencyUnit)

		{

		TUint nameType (aStream.ReadUint8L());

		iNameType = (TCurrencyType)nameType;

		}

	}

// End of file