/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

*

* Redistribution and use in source and binary forms, with or without

* modification, are permitted provided that the following conditions are met:

*

* - Redistributions of source code must retain the above copyright notice,

*   this list of conditions and the following disclaimer.

* - Redistributions in binary form must reproduce the above copyright notice,

*   this list of conditions and the following disclaimer in the documentation

*   and/or other materials provided with the distribution.

* - Neither the name of Nokia Corporation nor the names of its contributors

*   may be used to endorse or promote products derived from this software

*   without specific prior written permission.

*

* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE

* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

* POSSIBILITY OF SUCH DAMAGE.

* 

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

using System;

using System.Collections.Generic;

using System.Text;

using HeapLib.Reconstructor.DataSources;

namespace HeapLib.Reconstructor.RHeap.Extractor

{

    internal class ExtractionState

    {

        #region Constructors & destructor

        public ExtractionState( DataSource aSource )

        {

            iDataSource = aSource;

        }

        #endregion

        #region API

        public bool IsFreeCellAddress()

        {

            bool ret = false;

            //

            uint address = iCurrentAddress;

            if ( address == iNextFreeCellAddress )

            {

                ret = true;

            }

            else

            {

                ret = iDataSource.MetaData.Heap.InfoFree.IsFreeCell( address );

            }

            //

            return ret;

        }

        #endregion

        #region Properties

        public bool DebugEnabled

        {

            get { return iDebugEnabled; }

            set { iDebugEnabled = value; }

        }

        public bool EncounteredException

        {

            get { return iEncounteredException; }

            set { iEncounteredException = value; }

        }

        public uint NextFreeCellAddress

        {

            get { return iNextFreeCellAddress; }

            set { iNextFreeCellAddress = value; }

        }

        public uint NextFreeCellLength

        {

            get { return iNextFreeCellLength; }

            set { iNextFreeCellLength = value; }

        }

        public uint NextCellAddress

        {

            get { return iStartOfNextCell; }

            set { iStartOfNextCell = value; }

        }

        public uint ExpectedAddress

        {

            get { return iNextExpectedAddress; }

            set { iNextExpectedAddress = value; }

        }

        public uint CurrentAddress

        {

            get { return iCurrentAddress; }

            set { iCurrentAddress = value; }

        }

        #endregion

        #region Internal methods

        #endregion

        #region Internal constants

        private const int KBaseHex = 16;

        #endregion

        #region Data members

        private readonly DataSource iDataSource;

        private bool iDebugEnabled = false;

        private bool iEncounteredException = false;

        private uint iNextFreeCellAddress;

        private uint iNextFreeCellLength;

        private uint iNextExpectedAddress;

        private uint iCurrentAddress = 0;

        private uint iStartOfNextCell;

        #endregion

    }

}