/*

* 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.Generic;

using System.Text;

using System.Text.RegularExpressions;

using System.Reflection;

using SymbianParserLib.Enums;

using SymbianParserLib.Elements;

using SymbianParserLib.Elements.SubFields;

namespace SymbianParserLib.RegExTranslators.Cache

{

    internal class RegExTranslatorCache

    {

        #region Constructors

        public RegExTranslatorCache()

        {

        }

        #endregion

        #region API

        public ParserLine CreateClone( string aKey )

        {

            ParserLine ret = null;

            //

            lock ( iEntries )

            {

                if ( Exists( aKey ) )

                {

                    RegExTranslatorCacheEntry entry = iEntries[ aKey ];

                    ret = entry.Clone();

                }

            }

            //

            return ret;

        }

        public void Add( string aKey, ParserLine aLine )

        {

            System.Diagnostics.Debug.Assert( !string.IsNullOrEmpty( aKey ) );

            System.Diagnostics.Debug.Assert( aLine != null );

            System.Diagnostics.Debug.Assert( !string.IsNullOrEmpty( aLine.OriginalValue ) );

            System.Diagnostics.Debug.Assert( !string.IsNullOrEmpty( aLine.FinalValue ) );

            System.Diagnostics.Debug.Assert( iEntries != null );

            try

            {

                lock ( iEntries )

                {

                    if ( Exists( aKey ) == false )

                    {

                        RegExTranslatorCacheEntry entry = new RegExTranslatorCacheEntry( aLine );

                        iEntries.Add( aKey, entry );

                    }

                }

            }

            catch ( Exception )

            {

                SymbianUtils.SymDebug.SymDebugger.Break();

            }

        }

        public bool Exists( string aKey )

        {

            lock ( iEntries )

            {

                bool ret = iEntries.ContainsKey( aKey );

                return ret;

            }

        }

        #endregion

        #region Properties

        #endregion

        #region Internal methods

        #endregion

        #region Internal constants

        #endregion

        #region From System.Object

        #endregion

        #region Data members

        private Dictionary<string, RegExTranslatorCacheEntry> iEntries = new Dictionary<string, RegExTranslatorCacheEntry>();

        #endregion

    }

}