/*

* 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;

using System.Text;

using System.IO;

using SymbianUtils;

using SymbianUtils.Settings;

using SymbianUtils.FileSystem;

using SymbianDebugLib.Engine;

using SymbianDebugLib.Entity.Descriptors;

namespace SymbianDebugLib.Entity

{

    public class DbgEntityList : DisposableObject, IEnumerable<DbgEntity>

    {

        #region Constructors

        internal DbgEntityList( DbgEngine aEngine )

        {

            iEngine = aEngine;

        }

        #endregion

        #region API

        public virtual void Add( DbgEntity aEntity )

        {

            iEntities.Add( aEntity );

        }

        public virtual DbgEntity Remove( DbgEntity aEntity )

        {

            Predicate<DbgEntity> predicate = delegate( DbgEntity entity ) { return entity == aEntity; };

            DbgEntity found = iEntities.Find( predicate );

            if ( found != null )

            {

                iEntities.Remove( found );

            }

            //

            return found;

        }

        public bool Contains( FSEntity aFSEntity )

        {

            bool ret = false;

            //

            foreach ( DbgEntity e in iEntities )

            {

                if ( e.FSEntity == aFSEntity )

                {

                    ret = true;

                    break;

                }

            }

            //

            return ret;

        }

        #endregion

        #region Properties

        public int Count

        {

            get { return iEntities.Count; }

        }

        public DbgEntity this[ int aIndex ]

        {

            get { return iEntities[ aIndex ]; }

        }

        public DbgEngine Engine

        {

            get { return iEngine; }

        }

        public string[] FileNames

        {

            get

            {

                List<string> ret = new List<string>();

                foreach ( DbgEntity e in iEntities )

                {

                    ret.Add( e.FullName );

                }

                return ret.ToArray();

            }

        }

        #endregion

        #region From DisposableObject

        protected override void CleanupManagedResources()

        {

            try

            {

                base.CleanupManagedResources();

            }

            finally

            {

                foreach ( DbgEntity entity in iEntities )

                {

                    entity.Dispose();

                }

            }

        }

        #endregion

        #region Internal properties

        #endregion

        #region Internal methods

        #endregion

        #region From IEnumerable<DbgEntity>

        public IEnumerator<DbgEntity> GetEnumerator()

        {

            foreach ( DbgEntity e in iEntities )

            {

                yield return e;

            }

        }

        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()

        {

            foreach ( DbgEntity e in iEntities )

            {

                yield return e;

            }

        }

        #endregion

        #region Data members

        private readonly DbgEngine iEngine;

        private List<DbgEntity> iEntities = new List<DbgEntity>();

        #endregion

    }

}