/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* which accompanies this distribution, and is available

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

* 

* Description:

*

*/

using System;

using System.Collections;

using System.Collections.Generic;

namespace SymbianStructuresLib.CodeSegments.Internal

{

	internal class CSDCompareByFileName : IComparer<CodeSegDefinition>

	{

		#region IComparer Members

		public int Compare( object aLeft, object aRight )

		{

			CodeSegDefinition left = (CodeSegDefinition) aLeft;

			CodeSegDefinition right = (CodeSegDefinition) aRight;

			//

            return Compare( left, right );

		}

		#endregion

        #region From IComparer<CodeSegDefinition>

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

        {

            return string.Compare( aLeft.FileName, aRight.FileName, StringComparison.CurrentCultureIgnoreCase );

        }

        #endregion

    }

    internal class CSDCompareByAddress : IComparer<CodeSegDefinition>

	{

        #region IComparer Members

        public int Compare( object aLeft, object aRight )

        {

            CodeSegDefinition left = (CodeSegDefinition) aLeft;

            CodeSegDefinition right = (CodeSegDefinition) aRight;

            //

            return Compare( left, right );

        }

        #endregion

        #region IComparer Members

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

        {

			int ret = -1;

            if ( aLeft.Base == aRight.Base && aLeft.Limit == aRight.Limit )

			{

				ret = 0;

			}

            else if ( aLeft.Limit == aRight.Base )

			{

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

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

				//

				ret = -1;

			}

            else if ( aLeft.Base == aRight.Limit )

			{

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

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

				//

				ret = 1;

			}

            else if ( aLeft.Base > aRight.Limit )

			{

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

                System.Diagnostics.Debug.Assert( aLeft.Limit > aRight.Base );

				ret = 1;

			}

            else if ( aLeft.Limit < aRight.Base )

			{

                System.Diagnostics.Debug.Assert( aLeft.Base < aRight.Limit );

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

				ret = -1;

			}

			//

			return ret;

		}

		#endregion

    }

}