/*

* Copyright (c) 2004-2008 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.Xml;

using SymBuildParsingLib.Token;

using SymbianTree;

namespace SymBuildParsingLib.Tree

{

	public class SymNodeToken : SymNodeAddAsChild

	{

		#region Constructors & destructor

		public SymNodeToken( SymToken aToken )

		{

			Data = aToken;

		}

		#endregion

		#region API

		public virtual int CountTokenByType( SymToken.TClass aClass )

		{

			int count = 0;

			//

			foreach( SymNode n in this )

			{

				if	( n is SymNodeToken )

				{

					SymToken t = ((SymNodeToken) n).Token;

					//

					if	( t.Class == aClass )

					{

						++count;

					}

				}

			}

			//

			return count;

		}

		#endregion

		#region Properties - data

		public SymToken Token

		{

			get { return (SymToken) Data; }

			set { Data = value; }

		}

		#endregion

		#region From System.Object

		public override string ToString()

		{

			return Token.ToString();

		}

		public override bool Equals( object aObject )

		{

			bool same = false;

			//

			if	( aObject is SymNodeToken )

			{

				SymNodeToken otherToken = (SymNodeToken) aObject;

				//

				same = otherToken.Token.Equals( Token );

			}

			//

			return same;

		}

		#endregion

		#region XML

		public override void ExternaliseAsXML( XmlWriter aSink )

		{

			if	( Token != null )

			{

				aSink.WriteAttributeString( "value", Token.Value );

			}

			else

			{

				aSink.WriteAttributeString( "value", "" );

			}

		}

		#endregion

	}

}