1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 * 

    14 * Description:

    15 *

    16 */

    17 using System;

    18 using System.Text;

    19 using System.IO;

    20 using System.Collections.Generic;

    21 using CrashItemLib.Crash.Container;

    22 using CrashItemLib.PluginAPI;

    23 using SymbianUtils.DataBuffer;

    24 using SymbianUtils.DataBuffer.Primer;

    25 using SymbianUtils;

    26 using DExcPlugin.Extractor;

    27 using DExcPlugin.Descriptor;

    28 using DExcPlugin.Plugin;

    29 using DExcPlugin.Transformer;

    30 

    31 namespace DExcPlugin.Reader

    32 {

    33     internal class DExcReader : CFFReader

    34 	{

    35 		#region Constructors

    36         public DExcReader( DExcPluginImp aEngine, DExcDescriptor aDescriptor )

    37 		:   base( aEngine, aDescriptor )

    38 		{

    39             iTraceExtractor.StateChanged += new DExcExtractor.EventHandler( TraceExtractor_StateChanged );

    40         }

    41         #endregion

    42 

    43         #region From CFFReader

    44         public override void NativeReadInit()

    45         {

    46             throw new NotSupportedException();

    47         }

    48 

    49         public override void TraceReadInit()

    50         {

    51             // Check if there is an stk file with the same name

    52             string stackFile = DExcDescriptor.StackFileName;

    53             if ( File.Exists( stackFile ) )

    54             {

    55                 iTraceExtractor.Init( stackFile );

    56             }

    57             else

    58             {

    59                 iTraceExtractor.Init();

    60             }

    61         }

    62 

    63         public override bool TraceReadOffer( CFFTraceLine aLine )

    64         {

    65             bool consumed = iTraceExtractor.Offer( aLine, aLine.LineNumber );

    66             return consumed;

    67         }

    68 

    69         public override void TraceReadComplete()

    70         {

    71             // This flushes any pending raw data items in the interpreter.

    72             iTraceExtractor.Finialize();

    73             

    74             base.NotifyEvent( TEvent.EReadingComplete );

    75         }

    76         #endregion

    77 

    78         #region Properties

    79         public DExcPluginImp DExcEngine

    80         {

    81             get { return base.Plugin as DExcPluginImp; }

    82         }

    83 

    84         public DExcDescriptor DExcDescriptor

    85         {

    86             get { return base.Descriptor as DExcDescriptor; }

    87         }

    88         #endregion

    89 

    90         #region Observer - Trace interpreter

    91         private void TraceExtractor_StateChanged( DExcExtractor.TEvent aEvent, DExcExtractor aExtractor )

    92         {

    93             // This event is notified when the extractor has obtained one entire D_EXC crash

    94             if ( aEvent == DExcExtractor.TEvent.EEventExtractedAllData )

    95             {

    96                 DExcExtractedData data = aExtractor.CurrentData;

    97                 DExcTransformer transformer = new DExcTransformer( DExcDescriptor, base.Plugin.DataProvider, data );

    98 

    99                 // Transform into crash container

   100                 CIContainer container = transformer.Transform();

   101                 if ( container != null )

   102                 {

   103                     base.NotifyEvent( TEvent.EReadingContainerCreated, container );

   104                 }

   105 

   106                 // Get extractor ready for next file

   107                 iTraceExtractor.Init();

   108             }

   109         }

   110         #endregion

   111 

   112         #region Internal methods

   113         #endregion

   114 

   115         #region Data members

   116         private DExcExtractor iTraceExtractor = new DExcExtractor();

   117         #endregion

   118     }

   119 }