/*

* Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

* which accompanies this distribution, and is available

* at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

* Name        : siptokenheaderbase.h

* Part of     : SIP Codec

* Interface   : SDK API, SIP Codec API

* Version     : SIP/4.0 

*

*/

#ifndef CSIPTOKENHEADERBASE_H

#define CSIPTOKENHEADERBASE_H

//  INCLUDES

#include "sipheaderbase.h"

#include "_sipcodecdefs.h"

// CLASS DECLARATION

/**

* @publishedAll

* @released

*

* A base class for SIP headers having form "Name: token *(COMMA token)"

*

* @lib sipcodec.lib

*/

class CSIPTokenHeaderBase : public CSIPHeaderBase

	{

	public:	// Constructors and destructor

		/**

		* Destructor, deletes the resources of CSIPTokenHeaderBase.

		*/

		IMPORT_C virtual ~CSIPTokenHeaderBase();

	public: // New functions

		/**

		* Sets the header value as a token 

		* @param aValue a value to set

		*/

		IMPORT_C void SetValueL(RStringF aValue);

		/**

		* Gets the header value as a token 

		* @return the header value

		*/

		IMPORT_C RStringF Value() const;

	public: // From CSIPHeaderBase

		/**

		* From CSIPHeaderBase ToTextValueL

		*/

		IMPORT_C HBufC8* ToTextValueL() const;

	public: // From CSIPHeaderBase, for internal use

        /**

        * @internalComponent

        */

		virtual TBool MoreThanOneAllowed() const;

	protected: // Constructors

		CSIPTokenHeaderBase();

	    CSIPTokenHeaderBase(const CSIPTokenHeaderBase& aHeader);

		void ConstructL(const TDesC8& aValue, TBool aEmptyValueAllowed=EFalse);

		void ConstructL(RStringF aValue, TBool aEmptyValueAllowed=EFalse);

	protected: // New functions		

		void DoInternalizeValueL(RReadStream& aReadStream);

	protected: // Data	

        /**

        * @internalComponent

        */	

		RStringF iValue;

	private: // From CSIPHeaderBase

		void ExternalizeValueL(RWriteStream& aWriteStream) const;

	private: // New functions

		void SetValueL(const TDesC8& aValue);	

	private: // For testing purposes

		UNIT_TEST(CSIPTokenHeaderBaseTest)

	};

#endif // CSIPTOKENHEADERBASE_H

// End of File