crashanalysercmd/Libraries/Engine/CrashItemLib/Engine/Primer/CIEnginePrimerWorkingSet.cs
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/Libraries/Engine/CrashItemLib/Engine/Primer/CIEnginePrimerWorkingSet.cs Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,153 @@
+/*
+* 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.IO;
+using System.Collections;
+using System.Collections.Generic;
+using System.Text;
+using CrashItemLib.PluginAPI;
+using CrashItemLib.Crash.Source;
+using CrashItemLib.Engine.Sources;
+
+namespace CrashItemLib.Engine.Primer
+{
+ internal class CIPrimerWorkingSet
+ {
+ #region Constructors
+ public CIPrimerWorkingSet( CIEngine aEngine )
+ {
+ iEngine = aEngine;
+ }
+ #endregion
+
+ #region API
+ public void Clear()
+ {
+ iEntries.Clear();
+ }
+
+ public void Add( CFFSourceAndConfidence aEntry )
+ {
+ // For every single source file we might actually have multiple
+ // plugins that claim they can interpet the contents.
+ //
+ // Therefore we maintain a dictionary that is keyed by the file name
+ // and contains a list of plugin handlers (and their associatied
+ // confidence level for handling the source file).
+ List<CFFSourceAndConfidence> entries = null;
+ //
+ FileInfo file = aEntry.MasterFile;
+ System.Diagnostics.Debug.Assert( file != null );
+ //
+ if ( !iEntries.ContainsKey( file ) )
+ {
+ entries = new List<CFFSourceAndConfidence>();
+ iEntries.Add( file, entries );
+ }
+ else
+ {
+ entries = iEntries[ file ];
+ }
+ //
+ entries.Add( aEntry );
+ }
+
+ public void Add( IEnumerable<CFFSourceAndConfidence> aEntries )
+ {
+ foreach ( CFFSourceAndConfidence level in aEntries )
+ {
+ Add( level );
+ }
+ }
+
+ public void Rationalise()
+ {
+ // At this point we're ready to decide how we will process the source
+ // files. Some may be trace files, in which case we probably need to multiple
+ // the various plugin handlers (that support trace-based content) so that they
+ // can each have a stab at handling the trace content.
+ //
+ // For native (non-trace) handlers, we only let the handler with the highest
+ // confidence ultimately read the file.
+ //
+ // 1) For any native entries, sort them by priority and discard
+ // everything but the highest priority entry.
+ //
+ // 2) For any trace entries, then we basically don't need to do anything
+ // because all entries will require processing via a trace reader.
+ foreach ( KeyValuePair<FileInfo, List<CFFSourceAndConfidence>> kvp in iEntries )
+ {
+ // For native entries relating to this file
+ List<CFFSourceAndConfidence> listNative = new List<CFFSourceAndConfidence>();
+
+ // For trace entries relating to this file
+ List<CFFSourceAndConfidence> listTrace = new List<CFFSourceAndConfidence>();
+
+ FileInfo file = kvp.Key;
+ List<CFFSourceAndConfidence> entries = kvp.Value;
+ foreach ( CFFSourceAndConfidence conf in entries )
+ {
+ if ( conf.OpType == CFFSource.TReaderOperationType.EReaderOpTypeNative )
+ {
+ listNative.Add( conf );
+ }
+ else if ( conf.OpType == CFFSource.TReaderOperationType.EReaderOpTypeTrace )
+ {
+ listTrace.Add( conf );
+ }
+ else
+ {
+ // Not supported
+ }
+ }
+
+ // Sort the native list based upon confidence level
+ Comparison<CFFSourceAndConfidence> comparer = delegate( CFFSourceAndConfidence aLeft, CFFSourceAndConfidence aRight )
+ {
+ return aLeft.CompareTo( aRight );
+ };
+ listNative.Sort( comparer );
+
+ // Save highest priority native entry - only try to treat the source file as a
+ // trace entry if no native entries claim to be able to read it.
+ if ( listNative.Count > 0 )
+ {
+ CFFSourceAndConfidence highestConfidence = listNative[ 0 ];
+ CIEngineSource sourceNative = CIEngineSource.NewNative( iEngine, highestConfidence );
+ iEngine.Sources.Add( sourceNative );
+ }
+ else if ( listTrace.Count > 0 )
+ {
+ // If we found some trace entries, then immediately store the trace source.
+ // The listTrace array contains all of the plugins that claim to be able to
+ // read the trace-based source file.
+ CIEngineSource sourceTrace = CIEngineSource.NewTrace( iEngine, listTrace.ToArray() );
+ iEngine.Sources.Add( sourceTrace );
+ }
+ }
+ }
+ #endregion
+
+ #region Properties
+ #endregion
+
+ #region Data members
+ private readonly CIEngine iEngine;
+ private Dictionary< FileInfo, List<CFFSourceAndConfidence> > iEntries = new Dictionary< FileInfo, List<CFFSourceAndConfidence> >();
+ #endregion
+ }
+}