/*

* 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.Text;

using SymbolLib;

namespace StackLib

{

	public class StackElement

	{

		public class StackElementDescriptorInfo

		{

			#region Public enumerations

			public enum TType

			{

				EBuf

			}

			#endregion

			#region API

			public string AsString( out int aNumberOfLines, bool aPostfixInfo )

			{

				aNumberOfLines = 1;

				StringBuilder sb = new StringBuilder();

				//

				int count = iDescriptorCharacters.Count;

				for(int i=0; i<count && sb.Length < iLength; i++ )

				{

					char character = (char) iDescriptorCharacters[i];

					if	( character < ' ' || character > '~' )

					{

						sb.Append( KReplacementForUnprintableCharacters );

					}

					else

					{

						sb.Append( character );

					}

					if	( sb.Length > 0 && ((sb.Length % KNumberOfCharactersPerLine ) == 0))

					{

						sb.Append( System.Environment.NewLine );

						++aNumberOfLines;

					}

				}

				if	( aPostfixInfo )

				{

					string header = System.Environment.NewLine  + System.Environment.NewLine + "[Len: " + iLength.ToString() + ", max: " + iMaxLength.ToString() + "]";

					aNumberOfLines += 2;

					sb.Append( header );

				}

				//

				return sb.ToString();

			}

			#endregion

			#region Internal constants

			private const int KNumberOfCharactersPerLine = 64;

			private const char KReplacementForUnprintableCharacters = '.';

			#endregion

			#region Data members

			public TType iType;

			public long iLength;

			public long iMaxLength;

			public int iByteWidth = 1;

			public ArrayList iDescriptorCharacters = new ArrayList( 100 );

			#endregion

		}

		#region Constructors & destructor

		public StackElement( long aAddress, long aData, string aCharacterisedData )

		{

			iAddress = aAddress;

			iData = aData;

			iCharacterisedData = aCharacterisedData;

			iSymbol = null;

		}

		#endregion

		#region Properties

		public long Address

		{

			get { return iAddress; }

			set { iAddress = value; }

		}

		public long Data

		{

			get { return iData; }

			set { iData = value; }

		}

		public string CharacterisedData

		{

			get { return iCharacterisedData; }

		}

		public GenericSymbol Symbol

		{

			get { return iSymbol; }

			set { iSymbol = value; }

		}

		public bool IsDescriptor

		{

			get { return iDescriptorInfo != null; }

		}

		public StackElementDescriptorInfo DescriptorInfo

		{

			get { return iDescriptorInfo; }

			set { iDescriptorInfo = value; }

		}

		#endregion

		#region From System.Object

		public override string ToString()

		{

			string fixedElement = "= " + iData.ToString("x8") + " " + iCharacterisedData + " ";

			if	(iSymbol != null)

			{

				return fixedElement + iSymbol.Symbol;

			}

			return fixedElement;

		}

		#endregion

		#region Data members

		private GenericSymbol iSymbol;

		private long iAddress;

		private long iData;

		private string iCharacterisedData;

		private StackElementDescriptorInfo iDescriptorInfo = null;

		#endregion

	}

}