/*

* 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;

using System.Collections.Generic;

namespace SymbianStructuresLib.CodeSegments

{

	public class CodeSegDefinitionCollection : IEnumerable<CodeSegDefinition>

	{

		#region Constructors

		public CodeSegDefinitionCollection()

			: this( 10 )

		{

		}

		public CodeSegDefinitionCollection( int aGranularity )

		{

			iEntries = new List<CodeSegDefinition>( aGranularity );

		}

        public CodeSegDefinitionCollection( IEnumerable<CodeSegDefinition> aCopy )

        {

            iEntries = new List<CodeSegDefinition>();

            iEntries.AddRange( aCopy );

        }

		#endregion

		#region API

		public void Reset()

		{

            lock ( iEntries )

            {

                iEntries.Clear();

            }

		}

        public void Add( CodeSegDefinition aEntry )

		{

            if ( string.IsNullOrEmpty( aEntry.FileName ) )

            {

                throw new ArgumentException( "File name invalid" );

            }

            lock ( iEntries )

            {

                if ( !Contains( aEntry ) )

                {

                    iEntries.Add( aEntry );

                }

            }

		}

        public void AddRange( IEnumerable<CodeSegDefinition> aItems )

        {

            foreach ( CodeSegDefinition entry in aItems )

            {

                Add( entry );

            }

        }

        public void Remove( CodeSegDefinition aEntry )

        {

            lock ( iEntries )

            {

                int index = IndexOf( aEntry );

                if ( index >= 0 )

                {

                    iEntries.RemoveAt( index );

                }

            }

        }

		public void SortByFileName()

		{

            lock ( iEntries )

            {

                iEntries.Sort( new Internal.CSDCompareByFileName() );

            }

		}

		public void SortByAddress()

		{

            lock ( iEntries )

            {

                iEntries.Sort( new Internal.CSDCompareByAddress() );

            }

        }

        public bool Contains( string aFileName )

        {

            lock ( iEntries )

            {

                CodeSegDefinition temp = new CodeSegDefinition( aFileName );

                return Contains( temp );

            }

        }

        public bool Contains( CodeSegDefinition aEntry )

        {

            lock ( iEntries )

            {

                int index = IndexOf( aEntry );

                bool ret = ( index >= 0 );

                return ret;

            }

        }

        public int IndexOf( CodeSegDefinition aEntry )

        {

            Predicate<CodeSegDefinition> predicate = delegate( CodeSegDefinition search )

            { 

                return search.Equals( aEntry ); 

            };

            //

            lock ( iEntries )

            {

                int ret = iEntries.FindIndex( predicate );

                return ret;

            }

        }

        public CodeSegDefinition DefinitionByAddress( uint aAddress )

        {

            Predicate<CodeSegDefinition> predicate = delegate( CodeSegDefinition validate )

            { 

                return validate.Contains( aAddress );

            };

            //

            lock ( iEntries )

            {

                CodeSegDefinition ret = iEntries.Find( predicate );

                return ret;

            }

        }

		#endregion

		#region Properties

		public int Count

		{

			get

            {

                lock ( iEntries )

                {

                    return iEntries.Count;

                }

            }

		}

		public CodeSegDefinition this[ int aIndex ]

		{

            get

            {

                lock ( iEntries )

                {

                    return iEntries[ aIndex ];

                }

            }

		}

        public CodeSegDefinition this[ uint aAddress ]

        {

            get

            {

                CodeSegDefinition ret = null;

                //

                foreach ( CodeSegDefinition entry in iEntries )

                {

                    if ( entry.Contains( aAddress ) )

                    {

                        ret = entry;

                        break;

                    }

                }

                //

                return ret;

            }

        }

		#endregion

        #region IEnumerable Members

        public IEnumerator<CodeSegDefinition> GetEnumerator()

        {

            foreach ( CodeSegDefinition entry in iEntries )

            {

                yield return entry;

            }

        }

        IEnumerator IEnumerable.GetEnumerator()

        {

            foreach ( CodeSegDefinition entry in iEntries )

            {

                yield return entry;

            }

        }

        #endregion

		#region Data members

		private readonly List<CodeSegDefinition> iEntries;

		#endregion

    }

}