/*

* 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.Text;

using System.IO;

using System.Collections.Generic;

using CrashAnalyserEngine.Plugins;

namespace CAPCrashAnalysis.CommandLine

{

    internal class CACmdLineFSEntityList<T> : IComparer<T>, IEnumerable<T> where T : CACmdLineFSEntity, new()

	{

        #region Constructors

        public CACmdLineFSEntityList()

		{

		}

        #endregion

		#region API

        public void Add( FileInfo aFile )

        {

            T entry = new T();

            entry.File = aFile;

            //

            AddInSortedOrder( entry );

        }

        public void Add( DirectoryInfo aDir )

        {

            T entry = new T();

            entry.Directory = aDir;

            //

            AddInSortedOrder( entry );

        }

        public void AddRange( FileInfo[] aFiles )

        {

            foreach ( FileInfo file in aFiles )

            {

                Add( file );

            }

        }

        public bool Contains( string aFileName )

        {

            CACmdLineFSEntity ret = this[ aFileName ]; 

            return ret != null;

        }

        public void AddToAll( CACmdLineMessage aMessage )

        {

            foreach ( CACmdLineFSEntity file in iFiles )

            {

                file.Add( aMessage );

            }

        }

        public T[] ToArray()

        {

            return iFiles.ToArray();

        }

        #endregion

		#region Properties

        public int Count

        {

            get { return iFiles.Count; }

        }

        public T this[ int aIndex ]

        {

            get { return iFiles[ aIndex ]; }

        }

        public T this[ string aFileName ]

        {

            get

            {

                T temp = new T();

                temp.File = new FileInfo( aFileName );

                //

                int pos = iFiles.BinarySearch( temp, this );

                //

                T ret = null;

                if ( pos >= 0 )

                {

                    ret = iFiles[ pos ];

                }

                //

                return ret;

            }

        }

        #endregion

        #region Internal methods

        private void AddInSortedOrder( T aEntry )

        {

            string fileName = aEntry.NameUC;

            //

            int pos = iFiles.BinarySearch( aEntry, this );

            if ( pos < 0 )

            {

                pos = ~pos;

                iFiles.Insert( pos, aEntry );

            }

            else

            {

                throw new ArgumentException( "Specified file already exists: " + aEntry );

            }

        }

        #endregion

        #region Operators

        public static implicit operator string[]( CACmdLineFSEntityList<T> aList )

        {

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

            foreach ( T file in aList )

            {

                ret.Add( file.Name );

            }

            return ret.ToArray();

        }

        #endregion

        #region From IEnumerable<T>

        public IEnumerator<T> GetEnumerator()

        {

            foreach ( T file in iFiles )

            {

                yield return file;

            }

        }

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

        {

            foreach ( T file in iFiles )

            {

                yield return file;

            }

        }

        #endregion

        #region From IComparer<T>

        public int Compare( T aLeft, T aRight )

        {

            int ret = aLeft.NameUC.CompareTo( aRight.NameUC );

            return ret;

        }

        #endregion

        #region Data members

        private List<T> iFiles = new List<T>();

        #endregion

    }

}