/*

* Copyright (c) 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: 

*

*/

using System;

using System.Collections.Generic;

using System.Text;

using SymbianUtils.BasicTypes;

using SymbianETMLib.Common.Utilities;

namespace SymbianETMLib.Common.Packets

{

    public class ETMPcktBranch : ETMPcktFiveByteRunBase 

    {

        #region Constructors

        public ETMPcktBranch()

            : base( "#######1" )

        {

            // In the first packet, bits 6:1 contain the payload.

            // Bit 7 indicates whether another packet follows

            // Bit 0 is forms the "branch packet" signature.

            iExtractionMaskFirst = CreateMask( "01111110" );

        }

        public ETMPcktBranch( byte aValue )

            : this()

        {

            base.RawByte = aValue;

        }

        #endregion

        #region API

        #endregion

        #region From PcktBase

        public override int Priority

        {

            get { return int.MaxValue; }

        }

        #endregion

        #region Properties

        public string ExtractedBitsFirstByte

        {

            get

            {

                byte raw = (byte) ( base.RawByte & iExtractionMaskFirst );

                raw >>= 1;

                string ret = SymBitUtils.GetBits( raw );

                // Only the first 6 bits are valid

                return ret.Substring( 2, 6 );

            }

        }

        #endregion

        #region Internal constants

        #endregion

        #region From System.Object

        #endregion

        #region Data members

        private readonly byte iExtractionMaskFirst;

        #endregion

    }

}