/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

*

* Redistribution and use in source and binary forms, with or without

* modification, are permitted provided that the following conditions are met:

*

* - Redistributions of source code must retain the above copyright notice,

*   this list of conditions and the following disclaimer.

* - Redistributions in binary form must reproduce the above copyright notice,

*   this list of conditions and the following disclaimer in the documentation

*   and/or other materials provided with the distribution.

* - Neither the name of Nokia Corporation nor the names of its contributors

*   may be used to endorse or promote products derived from this software

*   without specific prior written permission.

*

* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE

* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

* POSSIBILITY OF SUCH DAMAGE.

* 

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

using System;

using System.IO;

using System.Text;

using System.Collections;

using MemAnalysisLib.Parser.Prefixes;

using MemAnalysisLib.Parser.Options;

using MemAnalysisLib.MemoryOperations.Operations;

using MemAnalysisLib.MemoryOperations.Functions;

using SymbolLib.Generics;

using SymbolLib.Engines;

using SymbianUtils;

namespace MemAnalysisLib.Parser.Base

{

	public abstract class MemAnalysisParserBase : AsyncTextFileReader

	{

		#region Constructors & destructor

		public MemAnalysisParserBase( MemAnalysisParserOptions aOptions, SymbolManager aSymbolManager )

			: base( aOptions.SourceFileName, new AsyncTextReaderPrefix( aOptions.TracePrefix ) )

		{

			iOptions = aOptions;

			iSymbolManager = aSymbolManager;

			//

			if	( aOptions.SpecificThreadFilter != string.Empty )

			{

				AddFilter( new SymbianUtils.AsyncTextReaderFilter( aOptions.SpecificThreadFilter ) );

			}

		}

		#endregion

        #region API

        public void Parse()

        {

            base.AsyncRead();

        }

        #endregion

        #region Properties

        public SymbolManager SymbolManager

		{

			get { return iSymbolManager; }

		}

		public MemAnalysisParserOptions Options

		{

			get { return iOptions; }

		}

		public MemAnalysisParserPrefixesBase Prefixes

		{

			get { return iOptions.Prefixes; }

		}

		#endregion

		#region New Framework Methods

		protected abstract void HandleOpAllocation( MemOpAllocation aObject );

		protected abstract void HandleOpFree( MemOpFree aObject );

		protected abstract void HandleOpReallocation( MemOpReallocation aObject );

		#endregion

		#region From AsyncTextReader - Parsing related

		protected override void HandleFilteredLine( string aLine )

		{

			if	( aLine != null )

			{

                MemOpBase operation = null;

                MemOpFnBase function = null;

                //

                bool handled = Prefixes.MatchesPrefix( ref aLine, out function );

                if ( handled && function != null )

                {

                    operation = function.Parse( ref aLine, Prefixes );

                    if ( operation != null )

                    {

                        // Finalise it

                        operation.LineNumber = System.Convert.ToUInt32( LineNumber );

                        operation.Finalise( SymbolManager );

                        // Notify

                        switch ( function.Class )

                        {

                        case MemAnalysisLib.MemoryOperations.Class.TClass.EAllocation:

                            HandleOpAllocation( operation as MemOpAllocation );

                            break;

                        case MemAnalysisLib.MemoryOperations.Class.TClass.EDeallocation:

                            HandleOpFree( operation as MemOpFree );

                            break;

                        case MemAnalysisLib.MemoryOperations.Class.TClass.EReallocation:

                            HandleOpReallocation( operation as MemOpReallocation );

                            break;

                        default:

                            break;

                        }

                    }

                }

			}

		}

		protected override void HandleReadCompleted()

		{

			base.HandleReadCompleted();

		}

		protected override void HandleReadException( Exception aException )

		{

			base.HandleReadException( aException );

		}

		#endregion

		#region Data members

		private readonly SymbolManager iSymbolManager;

		private readonly MemAnalysisParserOptions iOptions;

		#endregion

	}

}