/*

* 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;

namespace HeapLib.Reconstructor.DataSources.Elements.Groups

{

    public class GpHeapFreeCell

    {

        #region Constructors & destructor

        public GpHeapFreeCell()

        {

        }

        #endregion

        #region API

        public bool IsFreeCell( uint aAddress )

        {

            bool ret = false;

            //

            if ( iFreeCellAddress != aAddress )

            {

                if ( iFreeCellLargestAddress != aAddress )

                {

                    ret = iCells.ContainsKey( aAddress );

                    if ( ret )

                    {

                        // Debugging support

                        System.Diagnostics.Debug.WriteLine( "FC: 0x" + aAddress.ToString( "x8" ) );

                        int x = 0;

                        x++;

                    }

                }

                else

                {

                    ret = true;

                }

            }

            else

            {

                ret = true;

            }

            //

            return ret;

        }

        public void AddFreeCell( uint aAddress, int aLength, int aType )

        {

            if ( iCells.ContainsKey( aAddress ) == false )

            {

                iCells.Add( aAddress, new FreeCell( aAddress, aLength, aType ) );

            }

        }

        #endregion

        #region Properties

        public uint FreeCellAddress

        {

            get { return iFreeCellAddress; }

            set { iFreeCellAddress = value; }

        }

        public uint FreeCellLength

        {

            get { return iFreeCellLength; }

            set { iFreeCellLength = value; }

        }

        public int FreeCellCount

        {

            get { return iFreeCellCount; }

            set { iFreeCellCount = value; }

        }

        public uint FreeCellLargestAddress

        {

            get { return iFreeCellLargestAddress; }

            set { iFreeCellLargestAddress = value; }

        }

        public uint FreeCellLargestLength

        {

            get { return iFreeCellLargestLength; }

            set { iFreeCellLargestLength = value; }

        }

        public uint FreeCellTotalSpace

        {

            get { return iFreeCellTotalSpace; }

            set { iFreeCellTotalSpace = value; }

        }

        #endregion

        #region Data members

        private uint iFreeCellAddress = 0;

        private uint iFreeCellLength = 0;

        private int iFreeCellCount = 0;

        private uint iFreeCellLargestAddress = 0;

        private uint iFreeCellLargestLength = 0;

        private uint iFreeCellTotalSpace = 0;

        private Dictionary<uint,FreeCell> iCells = new Dictionary<uint, FreeCell>();

        #endregion

    }

    internal class FreeCell

    {

        #region Enumerations

        public enum TType

        {

            EGoodAllocatedCell = 0,

            EGoodFreeCell,

            EBadAllocatedCellSize,

            EBadAllocatedCellAddress,

            EBadFreeCellAddress,

            EBadFreeCellSize

        }

        #endregion

        #region Constructors & destructor

        public FreeCell( uint aAddress, int aLength, int aType )

        {

            iAddress = aAddress;

            iLength = aLength;

            iType = (TType) aType;

        }

        #endregion

        #region Properties

        public uint Address

        {

            get { return iAddress; }

        }

        public int Length

        {

            get { return iLength; }

        }

        public TType Type

        {

            get { return iType; }

        }

        #endregion

        #region Data members

        private readonly uint iAddress;

        private readonly int iLength;

        private readonly TType iType;

        #endregion

    }

}