// 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:

// Contains the header file of the TWapTextMessage.

// 

//

/**

 @file

 @internalAll

*/

#if !defined (WAPTHDR_H__)

#define WAPTHDR_H__

#include <e32base.h>

/**

 *  @internalComponent

 */

const TInt KMaxSmsChars = 160;  //< maximum number of characters in one SMS PDU

/**

 *  TWapTextMessage encodes and decodes 7-bit WAP text headers

 *  @internalComponent

 */

class TWapTextMessage

	{

public:

	TWapTextMessage(const TDesC8& aWAPMessage);

	TBool Parse();

    void EncodeSegmentsL(CArrayPtr<HBufC8>& aSegmentArray);

	inline TInt DestinationPort(TBool* aIs16Bit=NULL) const;

	inline void SetDestinationPort(TInt aToPort, TBool aIs16Bit=EFalse);

	inline TInt SourcePort(TBool* aIs16Bit=NULL) const;

	inline void SetSourcePort(TInt aFromPort, TBool aIs16Bit=EFalse);

	inline TInt ReferenceNumber() const;

	inline void SetReferenceNumber(const TInt aReference);

	inline TInt TotalSegments() const;

	inline TInt SegmentNumber() const;

	inline void OtherHeader(TDes8& aOtherHeader) const;

	inline void SetOtherHeader(const TDesC8& aOtherHeader);

	inline void UserData(TDes8& aWAPUserData) const;

	inline void SetUserData(const TDesC8& aWAPUserData);

	static TInt ParseNumber(const TDesC8& aInValue, TBool aBigEndian, TInt aRadix);

private:

	enum TElemIndexes

	{

		KIndexDestinationPort = 0,

		KIndexSourcePort,

		KIndexReferenceNumber,

		KIndexTotalSegments,

		KIndexSegmentNumber,

		KIndexOtherHeader

	};

	enum

	{

		KElemIndexCount = 6,

	};

	// Made following public because of easy access

	// for bith segmenting and reassembly

	static const TInt KHeaderCount;

	typedef TInt IndexValues[KElemIndexCount];

	struct TIndexInfo

		{

		TInt           iLastIndex;

		IndexValues    iIndexes;

		};

	static const TIndexInfo KElemIndexes[];

	TBool ParseWapTextHeader(const TIndexInfo& IndexArray);

	TInt CreateHeader(TDes8& aFixedHeader, TInt& aSegmentNumberIndex);

	TInt CalculateTotalSegments(TInt aFixedLength);

	// Incoming only

	TBool      iIsWapTextMessage;

	TPtrC8     iWAPMessage;

	// header elements

	TBool      iIs16Bit;

	// constructor initialises the port values to (-1)

	TInt       iDestinationPort;

	TInt       iSourcePort;

	TInt       iReference;

	TInt       iTotalSegments;

	TInt       iSegmentNumber;

	// Incoming only: about other header and data

	TInt       iOtherHeader;   // index

	TInt       iOtherHeaderLength;

	TInt       iData;          // index

	TInt       iDataLength;

	// Outgoing only

	TPtrC8     iRefOtherHeader;

	TPtrC8     iRefData;

	};

#include "wapthdr.inl"

#endif // !defined WAPTHDR_H__