/*

* 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 SymbianUtils.Collections;

using SymbianStructuresLib.Debug.Symbols;

using SymbianStructuresLib.Debug.Symbols.Constants;

using HeapLib.Cells;

using HeapLib.Statistics.Tracking.Base;

namespace HeapLib.Statistics.Tracking.BySymbol

{

	public class SymbolTrackingInfoCollection : TrackingCollectionBase

	{

        #region Constructors & destructor

        public SymbolTrackingInfoCollection()

            : this( new TrackingInfoSortByAssociatedMemory( false ) )

        {

        }

        public SymbolTrackingInfoCollection( IComparer<TrackingInfo> aComparer )

        {

            iList = new SymbianSortedListByValue<uint, TrackingInfo>( aComparer );

        }

        public SymbolTrackingInfoCollection( SymbolTrackingInfoCollection aCollection )

        {

            iList = new SymbianSortedListByValue<uint, TrackingInfo>( aCollection.iList );

        }

        #endregion

        #region From TrackingCollectionBase

        internal override void Track( HeapCell aCell )

        {

            if ( aCell.Symbol != null && aCell.Symbol.IsDefault )

            {

                System.Diagnostics.Debug.WriteLine( "Unknown cell: " + aCell.ToStringExtended() + ", size: " + aCell.Symbol.Size + ", " + aCell.Symbol.Object );

            }

            if  ( aCell.Type == HeapCell.TType.EAllocated && !aCell.IsUnknown )

            {

                System.Diagnostics.Debug.Assert( aCell.Symbol != null );

                base.HandleCell( aCell );

                uint address = (uint) aCell.Symbol.Address;

                TrackingInfo entry = iList[ address ];

                // If we found an entry, then associate this cell with it.

                // Otherwise, we'll need to make a new entry...

                if  ( entry == null )

                {

                    entry = new TrackingInfo( aCell.Symbol );

                    entry.PayloadLength = aCell.PayloadLength;

                    iList.Add( address, entry );

                }

                entry.Associate( aCell );

            }

        }

        public override void Remove( TrackingInfo aItem )

        {

            // Make a predicate to find any items that match the specified

            // address

            Predicate<TrackingInfo> matchPredicate = delegate( TrackingInfo aInfo )

            {

                return ( aInfo.Key == aItem.Key );

            };

            iList.Remove( matchPredicate );

        }

        public override int Count

        {

            get { return iList.Count; }

        }

        protected override void Sort( IComparer<TrackingInfo> aComparer )

        {

            iList.Sort( aComparer );

        }

        public override TrackingInfo this[ int aIndex ]

        {

            get { return iList[ aIndex ]; }

        }

        public override TrackingInfo this[ Symbol aSymbol ]

        {

            get

            {

                uint address = aSymbol != null ? aSymbol.Address : SymbolConstants.KNullEntryAddress;

                TrackingInfo ret = iList[ address ];

                return ret;

           }

        }

        #endregion

        #region API

        public void RemoveRange( int aStartIndex, int aCount )

        {

            iList.RemoveRange( aStartIndex, aCount );

        }

        #endregion

        #region Data members

        private SymbianSortedListByValue<uint, TrackingInfo> iList;

        #endregion

    }

}