// Copyright (c) 1997-2009 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:

//

#ifndef __MPBUTIL_H__

#define	__MPBUTIL_H__

#include "ETELMM.H"		// for RMobilePhoneBookStore

/**

@internalComponent

*/

const TInt KFieldEntrySize = 8;

const TInt KErrStartOfNewEntry = -1;

const TInt KMaxUint16Val = 0xFFFF;

class CPhoneBookBuffer : public CBase

/**

This class enables the conversion from integer or descriptor data type into 

the TLV (Tag-Length-Value) format and vice versa.

@internalComponent

*/

	{

public:

	IMPORT_C CPhoneBookBuffer();

	IMPORT_C void Set(TDes8* aData);

	IMPORT_C TInt AddNewEntryTag();

	IMPORT_C TInt PutTagAndValue(TUint8 aTagValue, TUint8 aInteger);

	IMPORT_C TInt PutTagAndValue(TUint8 aTagValue, TUint16 aInteger);

	IMPORT_C TInt PutTagAndValue(TUint8 aTagValue, TUint32 aInteger);

	IMPORT_C TInt PutTagAndValue(TUint8 aTagValue, const TDesC8 &aData);

	IMPORT_C TInt PutTagAndValue(TUint8 aTagValue, const TDesC16 &aData);

	IMPORT_C TInt RemovePartialEntry();

	IMPORT_C void StartRead();

	enum TPhBkTagType

		{

		EPhBkTypeNoData,

		EPhBkTypeInt8,

		EPhBkTypeInt16,

		EPhBkTypeInt32,

		EPhBkTypeDes8,

		EPhBkTypeDes16,

		};

	IMPORT_C TInt GetTagAndType(TUint8 &aTagValue, TPhBkTagType &aDataType);

	IMPORT_C TInt GetValue(TUint8 &aInteger);

	IMPORT_C TInt GetValue(TUint16 &aInteger);

	IMPORT_C TInt GetValue(TUint32 &aInteger);

	IMPORT_C TInt GetValue(TPtrC8 &aData);

	IMPORT_C TInt GetValue(TPtrC16 &aData);

	IMPORT_C void SkipValue(TPhBkTagType aDataType);

	IMPORT_C TInt BufferLength();

	IMPORT_C TInt RemainingReadLength();

private:

	TInt AppendInt8(TUint8 aInteger);

	TInt AppendInt16(TUint16 aInteger);

	TInt AppendInt32(TUint32 aInteger);

private:

	TDes8*  iPtr;   // Points to supplied Data buffer

	TPtrC8 iRead;   // Points to populated TLV buffer

	TPtr8 iMonitor; // Used to remove partially populated entries from TLV buffer

	};

#endif