/*

* 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;

namespace SymbolLib.CodeSegDef

{

	internal class CodeSegDefinitionCollectionCompareByFileName : IComparer<CodeSegDefinition>

	{

		#region IComparer Members

		public int Compare( object aLeft, object aRight )

		{

            int ret = -1;

            //

            if ( aLeft == null || aRight == null )

            {

                if ( aRight == null )

                {

                    ret = 1;

                }

            }

            else

            {

                CodeSegDefinition left = (CodeSegDefinition) aLeft;

                CodeSegDefinition right = (CodeSegDefinition) aRight;

                //

                ret = Compare( left, right );

            }

            //

            return ret;

		}

		#endregion

        #region IComparer<CodeSegDefinition> Members

        int IComparer<CodeSegDefinition>.Compare( CodeSegDefinition aLeft, CodeSegDefinition aRight )

        {

            int ret = -1;

            //

            if ( aLeft == null || aRight == null )

            {

                if ( aRight == null )

                {

                    ret = 1;

                }

            }

            else

            {

                ret = string.Compare( aLeft.ImageFileNameAndPath, aRight.ImageFileNameAndPath, true );

            }

            //

            return ret;

        }

        #endregion

    }

    internal class CodeSegDefinitionCollectionCompareByAddress : IComparer<CodeSegDefinition>

	{

        #region IComparer Members

        public int Compare( object aLeft, object aRight )

        {

            int ret = -1;

            //

            if ( aLeft == null || aRight == null )

            {

                if ( aRight == null )

                {

                    ret = 1;

                }

            }

            else

            {

                CodeSegDefinition left = (CodeSegDefinition) aLeft;

                CodeSegDefinition right = (CodeSegDefinition) aRight;

                //

                ret = Compare( left, right );

            }

            //

            return ret;

        }

        #endregion

        #region IComparer Members

        int IComparer<CodeSegDefinition>.Compare( CodeSegDefinition aLeft, CodeSegDefinition aRight )

        {

			int ret = -1;

            if ( aLeft.AddressStart == aRight.AddressStart && aLeft.AddressEnd == aRight.AddressEnd )

			{

				ret = 0;

			}

            else if ( aLeft.AddressEnd == aRight.AddressStart )

			{

                System.Diagnostics.Debug.Assert( aLeft.AddressStart < aRight.AddressStart );

                System.Diagnostics.Debug.Assert( aRight.AddressEnd >= aLeft.AddressEnd );

				//

				ret = -1;

			}

            else if ( aLeft.AddressStart == aRight.AddressEnd )

			{

                System.Diagnostics.Debug.Assert( aRight.AddressStart < aLeft.AddressStart );

                System.Diagnostics.Debug.Assert( aLeft.AddressEnd >= aRight.AddressEnd );

				//

				ret = 1;

			}

            else if ( aLeft.AddressStart > aRight.AddressEnd )

			{

                System.Diagnostics.Debug.Assert( aLeft.AddressEnd > aRight.AddressEnd );

                System.Diagnostics.Debug.Assert( aLeft.AddressEnd > aRight.AddressStart );

				ret = 1;

			}

            else if ( aLeft.AddressEnd < aRight.AddressStart )

			{

                System.Diagnostics.Debug.Assert( aLeft.AddressStart < aRight.AddressEnd );

                System.Diagnostics.Debug.Assert( aRight.AddressEnd > aLeft.AddressEnd );

				ret = -1;

			}

			//

			return ret;

		}

		#endregion

    }

}