/*

* 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 SymbianParserLib.Engine;

using SymbianParserLib.Elements;

using SymbianParserLib.Enums;

using CrashDebuggerLib.Structures.KernelObjects;

using CrashDebuggerLib.Parsers.State.Implementation.Helpers;

namespace CrashDebuggerLib.Parsers.State.Implementation

{

    internal abstract class StateContainerBase : State

    {

        #region Constructors

        protected StateContainerBase( CrashDebuggerParser aParser )

            : base( aParser )

        {

            DObject temp = CreateNewObject();

            iObjectType = temp.Type;

        }

        #endregion

        #region API

        public override void Prepare()

        {

            DObjectCon container = CrashDebugger.ContainerByType( iObjectType );

            //

            ParserLine l1 = ParserLine.NewSymFormat( "Container %d at %08x contains %d %S:\r\n" );

            l1[ 0 ].SetTargetProperty( container, "Index" );

            l1[ 1 ].SetTargetProperty( container, "KernelAddress" );

            l1[ 2 ].SetTargetProperty( container, "ExpectedCount" );

            l1.ElementComplete += new SymbianParserLib.BaseStructures.ParserElementBase.ElementCompleteHandler( ContainerCountInfoComplete );

            //

            ParserParagraph para = new ParserParagraph( "CONTAINER [" + container.TypeDescription + "]" );

            para.Add( l1 );

            ParserEngine.Add( para );

            //

            CreateEntryDetector();

        }

        public override void Finalise()

        {

        }

        #endregion

        #region Abstract API

        protected abstract DObject CreateNewObject();

        protected virtual bool IsObjectReadyForSaving( DObject aObject )

        {

            bool ret = ( aObject.KernelAddress != 0 );

            return ret;

        }

        protected virtual void CreateEntryParagraphs( DObject aObject )

        {

            string name = "ENTRY [" + Container.TypeDescription + "]";

            ParserParagraph para = iHelperDObject.CreateMonitorObjectParagraph( name, aObject );

            ParserEngine.Add( para );

        }

        protected virtual void CreateEntryParser()

        {

            // Remove all the old entries

            ParserEngine.Reset();

            // Save last thread if it looks valid

            if ( iCurrentObject != null  )

            {

                bool ready = IsObjectReadyForSaving( iCurrentObject );

                if ( ready )

                {

                    Container.Add( iCurrentObject );

                    iCurrentObject = null;

                }

            }

            // Create a new object which will contain the next set of parser data

            iCurrentObject = CreateNewObject();

            // Use the helper to prepare next paragraphs

            CreateEntryParagraphs( iCurrentObject );

            // Catch the next new entry

            CreateEntryDetector();

        }

        protected virtual void CreateEntryDetector()

        {

            string containerType = Container.TypeDescription;

            ParserParagraph para = iHelperDObject.CreateEntryDetector( containerType, new SymbianParserLib.BaseStructures.ParserElementBase.ElementCompleteHandler( NewElementDetected ) );

            ParserEngine.Add( para );

        }

        #endregion

        #region Properties

        protected DObjectCon Container

        {

            get { return CrashDebugger.ContainerByType( iObjectType ); }

        }

        protected DObject.TObjectType ObjectType

        {

            get

            {

                return iObjectType;

            }

        }

        #endregion

        #region Internal methods

        #endregion

        #region Event handlers

        void NewElementDetected( SymbianParserLib.BaseStructures.ParserElementBase aElement )

        {

            CreateEntryParser();

        }

        void ContainerCountInfoComplete( SymbianParserLib.BaseStructures.ParserElementBase aElement )

        {

        }

        #endregion

        #region Data members

        private DObject iCurrentObject = null;

        private HelperDObject iHelperDObject = new HelperDObject();

        private readonly DObject.TObjectType iObjectType;

        #endregion

    }

}