/*

* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* which accompanies this distribution, and is available

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  PosLandmarkSerialization class definition

*

*/

#ifndef __EPOS_POSLANDMARKSERIALIZATION_H

#define __EPOS_POSLANDMARKSERIALIZATION_H

#include <e32base.h>

class CPosLandmark;

/**

 *  This class contains helper methods for landmark serialization.

 *  A landmark can be packed into a buffer with PackL method and unpacked

 *  back with UnpackL method.

 *

 *  @lib eposlandmarks.lib

 *  @since S60 3.1

 */

class PosLandmarkSerialization

    {

    public:

        /** Packs landmark object into a buffer.

         *

         *  All the data is preserved when packing. Database information is not stored.

         *  Packed landmark can be unpacked with @ref UnpackL method.

         *

         *  @param aLandmark The landmark to be packed.

         *  @return The buffer with the landmark data packed.

         *          Ownership is transferred to the client.

         */

        IMPORT_C static HBufC8* PackL( const CPosLandmark& aLandmark );

        /** Unpacks a landmark object, packed with @ref PackL method, from buffer.

         *

         *  All the data is preserved when packing, and restored exactly

         *  when unpacking. It means that landmark ID and

         *  category IDs are valid only for the database, this landmark was read from.

         *

         *  @param aBuffer The buffer containing landmark.

         *  @return The landmark unpacked. Ownership is transferred to client.

         *  @leave KErrCorrupt if buffer does not contain valid landmark package.

         */

        IMPORT_C static CPosLandmark* UnpackL( const TDesC8& aBuffer );

    };

#endif // __EPOS_POSLANDMARKSERIALIZATION_H