/*

* 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.Generic;

using System.Text;

using System.Reflection;

namespace CrashDebuggerLib.Structures.UserContextTable

{

    // <summary>

    // Return table of pointers to user context tables.

    // 

    // Each user context table is an array of UserContextTableEntry objects, one per

    // ARM CPU register, in the order defined in TArmRegisters.

    // 

	// The master table contains pointers to the user context tables in the order

	// defined in TUserContextType.  There are as many user context tables as

	// scenarii leading a user thread to switch to privileged mode.

    // </summary>

    internal class UserContextTableManager

    {

        #region Constructors

        public UserContextTableManager()

        {

            Array vals = Enum.GetValues( typeof( TUserContextType ) );

            foreach ( object val in vals )

            {

                TUserContextType value = (TUserContextType) val;

                iTables.Add( new UserContextTable( value ) );

            }

        }

        #endregion

        #region API

        public void Dump()

        {

            int i =0;

            foreach ( UserContextTable table in iTables )

            {

                TUserContextType type = (TUserContextType) i;

                string text = table.ToString();

                System.Diagnostics.Debug.WriteLine( string.Format( "Table[{0:d2}] = {1} {2}", i, text, type ) );

                i++;

            }

        }

        #endregion

        #region Properties

        public int Count

        {

            get { return iTables.Count; }

        }

        public UserContextTable this[ TUserContextType aType ]

        {

            get

            {

                UserContextTable ret = null;

                //

                foreach ( UserContextTable table in iTables )

                {

                    if ( table.Type == aType )

                    {

                        ret = table;

                        break;

                    }

                }

                //

                if ( ret == null )

                {

                    throw new ArgumentException();

                }

                //

                return ret;

            }

        }

        #endregion

        #region Internal methods

        #endregion

        #region Data members

        private List<UserContextTable> iTables = new List<UserContextTable>();

        #endregion

    }

}