/*

* 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.Text.RegularExpressions;

using System.Collections.Generic;

namespace DExcPlugin.Extractor

{

	internal class DExcExtractorList : IEnumerable<string>

	{

        #region Constructors

        public DExcExtractorList( DExcExtractor.TState aState, DExcExtractorListType aType )

		{

            iType = aType;

            iState = aState;

		}

		#endregion

		#region API

        public void AddExpression( DExcExtractorEntry aExpression )

        {

            iEntries.Add( aExpression );

        }

        public void AddExpressions( params DExcExtractorEntry[] aExpressions )

        {

            foreach ( DExcExtractorEntry exp in aExpressions )

            {

                AddExpression( exp );

            }

        }

        public virtual void Add( string aLine )

        {

            iLines.Add( aLine );

        }

        public virtual bool Offer( string aLine, long aLineNumber, DExcExtractor aInterpreter )

        {

            bool handled = false;

            //

            foreach ( DExcExtractorEntry interpreter in iEntries )

            {

                handled = interpreter.Offer( aLine, aLineNumber, this, aInterpreter );

                if ( handled )

                {

                    break;

                }

            }

            //

            return handled;

        }

		#endregion

		#region Properties

        public int Count

		{

			get { return iLines.Count; }

		}

        public string[] Lines

        {

            get { return iLines.ToArray(); }

        }

        public DExcExtractorListType Type

        {

            get { return iType; }

        }

        public DExcExtractor.TState State

        {

            get { return iState; }

        }

		#endregion

        #region Internal methods

        #endregion

        #region From System.Object

        public override string ToString()

        {

            StringBuilder ret = new StringBuilder();

            //

            foreach ( string line in iLines )

            {

                ret.AppendLine( line );

            }

            //

            return ret.ToString();

        }

        #endregion

        #region From IEnumerable<string>

        public IEnumerator<string> GetEnumerator()

        {

            foreach ( string line in iLines )

            {

                yield return line;

            }

        }

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

        {

            foreach ( string line in iLines )

            {

                yield return line;

            }

        }

        #endregion

        #region Data members

        private readonly DExcExtractorListType iType;

        private readonly DExcExtractor.TState iState;

        private List<string> iLines = new List<string>();

        private List<DExcExtractorEntry> iEntries = new List<DExcExtractorEntry>();

        #endregion

    }

}