/*

* 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 System.Text.RegularExpressions;

using System.IO;

using SymbianUtils.DataBuffer;

using SymbianUtils.DataBuffer.Entry;

using SymbianUtils.DataBuffer.Primer;

using SymbianStackLib.Engine;

using SymbianStackLib.Data.Source;

namespace SymbianStackLib.Data.Source.Primer

{

    public sealed class StackEnginePrimer : DataBufferPrimer

    {

        #region Constructors

        internal StackEnginePrimer( StackEngine aEngine )

            : base( aEngine.DataSource )

        {

            iEngine = aEngine;

            //

            base.LineNotHandled += new DataBufferPrimerUnhandledLine( StackEnginePrimer_LineNotHandled );

            base.PrimerComplete += new DataBufferPrimerCompleteHandler( StackEnginePrimer_PrimerComplete );

        }

        #endregion

        #region Event handlers

        void StackEnginePrimer_PrimerComplete( DataBufferPrimer aPrimer, DataBuffer aBuffer, uint aFirstByteAddress, uint aLastByteAddress )

        {

            SeedAddressRangeBasedUponData();

        }

        void StackEnginePrimer_LineNotHandled( DataBufferPrimer aPrimer, DataBuffer aBuffer, string aLine )

        {

            iEngine.Prefixes.TryAgainstPrefixes( aLine );

        }

        #endregion

        #region Properties

        #endregion

        #region Internal methods

        private void SeedAddressRangeBasedUponData()

        {

            uint top = iEngine.DataSource.First.Address;

            if ( top != 0 && iEngine.AddressInfo.Top == 0 )

            {

                iEngine.AddressInfo.Top = top;

            }

            //

            uint baseAddr = iEngine.DataSource.Last.Address;

            if ( baseAddr != 0 && iEngine.AddressInfo.Base == 0 )

            {

                iEngine.AddressInfo.Base = baseAddr;

            }

        }

        #endregion

        #region Data members

        private readonly StackEngine iEngine;

        #endregion

    }

}