crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianUtils/TextUtilities/Readers/Types/Text/AsyncTextReader.cs
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianUtils/TextUtilities/Readers/Types/Text/AsyncTextReader.cs Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,130 @@
+/*
+* 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.Text;
+using System.Threading;
+using System.Collections;
+using SymbianUtils.Tracer;
+
+namespace SymbianUtils
+{
+ public abstract class AsyncTextReader : AsyncTextReaderBase
+ {
+ #region Constructors
+ protected AsyncTextReader()
+ : this( new AsyncTextReaderPrefix() )
+ {
+ }
+
+ protected AsyncTextReader( ITracer aTracer )
+ : this( new AsyncTextReaderPrefix(), aTracer )
+ {
+ }
+
+ protected AsyncTextReader( AsyncTextReaderPrefix aPrefixes )
+ : this( aPrefixes, null )
+ {
+ }
+
+ protected AsyncTextReader( AsyncTextReaderPrefix aPrefixes, ITracer aTracer )
+ : this( aPrefixes, false, aTracer )
+ {
+ }
+
+ protected AsyncTextReader( AsyncTextReaderPrefix aPrefixes, bool aRouteBlankLines, ITracer aTracer )
+ : base( aTracer )
+ {
+ iPrefixes = aPrefixes;
+ iRouteBlankLines = aRouteBlankLines;
+ }
+ #endregion
+
+ #region API
+ public void AddFilter( AsyncTextReaderFilter aFilter )
+ {
+ iFilters.Add( aFilter );
+ }
+ #endregion
+
+ #region Properties
+ public AsyncTextReaderPrefix PrefixDefinition
+ {
+ get { return iPrefixes; }
+ }
+
+ public AsyncTextReaderFilterCollection Filters
+ {
+ get { return iFilters; }
+ }
+
+ public bool RouteBlankLines
+ {
+ get { return iRouteBlankLines; }
+ }
+
+ public string OriginalLine
+ {
+ get { return iOriginalLine; }
+ }
+ #endregion
+
+ #region New Framework
+ protected abstract void HandleFilteredLine( string aLine );
+ #endregion
+
+ #region From AsyncTextReaderBase
+ protected override void HandleReadLine( string aLine )
+ {
+ iOriginalLine = ( aLine != null ? aLine : string.Empty );
+ bool isBlankLine = ( aLine != null && aLine.Length == 0 );
+ //
+ if ( aLine != null )
+ {
+ if ( ( isBlankLine && RouteBlankLines ) || aLine.Length > 0 )
+ {
+ // Clean it
+ if ( !isBlankLine )
+ {
+ iPrefixes.Clean( ref aLine );
+ }
+
+ // Process filter on line
+ bool propagateLine = true;
+ if ( iFilters != null && !isBlankLine )
+ {
+ propagateLine = iFilters.ProcessFilters( ref aLine );
+ }
+
+ // Notify derived classes
+ if ( propagateLine )
+ {
+ HandleFilteredLine( aLine );
+ }
+ }
+ }
+ }
+ #endregion
+
+ #region Data members
+ private readonly AsyncTextReaderPrefix iPrefixes;
+ private readonly bool iRouteBlankLines;
+ private string iOriginalLine = string.Empty;
+ private AsyncTextReaderFilterCollection iFilters = new AsyncTextReaderFilterCollection();
+ #endregion
+ }
+}