crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianParserLib/RegExTranslators/RegExTranslatorManager.cs
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianParserLib/RegExTranslators/RegExTranslatorManager.cs Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,204 @@
+/*
+* 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.Collections.Generic;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Reflection;
+using SymbianParserLib.Utilities;
+using SymbianParserLib.Elements;
+using SymbianParserLib.RegExTranslators.Types;
+
+namespace SymbianParserLib.RegExTranslators
+{
+ public static class TheTickCounter
+ {
+ public static long TickCount;
+ }
+
+ internal class RegExTranslatorManager
+ {
+ #region Constructors
+ public RegExTranslatorManager()
+ {
+ iTranslators.AddRange( KDefaultList );
+ }
+ #endregion
+
+ #region API
+ public static ParserLine PreCachedCompiledEntry( string aKey )
+ {
+ ParserLine ret = TheTranslator.iCache.CreateClone( aKey );
+ return ret;
+ }
+
+ public static void CompileToRegularExpression( ParserLine aLine )
+ {
+ TheTranslator.DoCompileToRegularExpression( aLine );
+ }
+ #endregion
+
+ #region Properties
+ public static RegExTranslatorManager TheTranslator
+ {
+ get { return iTheTranslator; }
+ }
+ #endregion
+
+ #region Internal methods
+ private static string FixupOriginalValue( string aLine )
+ {
+ StringBuilder ret = new StringBuilder( ParserUtils.RemoveLineEndings( aLine ) );
+
+ // Escape double percents
+ ret = ret.Replace( KEscapedPercent, KReplacementPercent );
+
+ // Escape [ and ]
+ ret = EscapeCharacter( ".", ret );
+ ret = EscapeCharacter( "$", ret );
+ ret = EscapeCharacter( "+", ret );
+ ret = EscapeCharacter( "?", ret );
+ ret = EscapeCharacter( "^", ret );
+ ret = EscapeCharacter( "*", ret );
+ ret = EscapeCharacter( "\\", ret );
+ ret = EscapeCharacter( "[", ret );
+ ret = EscapeCharacter( "]", ret );
+ ret = EscapeCharacter( "(", ret );
+ ret = EscapeCharacter( ")", ret );
+ ret = EscapeCharacter( "{", ret );
+ ret = EscapeCharacter( "}", ret );
+
+ return ret.ToString();
+ }
+
+ private static StringBuilder EscapeCharacter( string aCharacter, StringBuilder aObject )
+ {
+ string replaceWith = "\\" + aCharacter;
+ return aObject.Replace( aCharacter, replaceWith );
+ }
+
+ private void DoCompileToRegularExpression( ParserLine aLine )
+ {
+ System.DateTime starTime = DateTime.Now;
+ string input = aLine.OriginalValue;
+
+ // First phase is to replace all excaped percents with a single percent
+ aLine.OriginalValue = FixupOriginalValue( aLine.OriginalValue );
+
+ // Next phase is to identify all format specifiers
+ MatchCollection matches = KRegExFormatSpecifier.Matches( aLine.OriginalValue );
+ if ( matches.Count != 0 )
+ {
+ // Get combined list of all captures spanning all matches. There must be a better way to do this?
+ List<Capture> captureList = new List<Capture>();
+ foreach ( Match m in matches )
+ {
+ if ( m.Success )
+ {
+ foreach ( Capture cap in m.Captures )
+ {
+ captureList.Add( cap );
+ }
+ }
+ }
+
+ // Convert captures into format specifiers
+ FixupFormatSpecifiers( captureList, aLine );
+
+ // Cache entry
+ iCache.Add( input, aLine );
+ }
+ else
+ {
+ }
+
+ System.DateTime endTime = DateTime.Now;
+ long tickDuration = ( ( endTime.Ticks - starTime.Ticks ) / 100 );
+ TheTickCounter.TickCount += tickDuration;
+ }
+
+ private void FixupFormatSpecifiers( List<Capture> aCaptures, ParserLine aLine )
+ {
+ int lastCapturePos = 0;
+
+ // Pull out all the format specifiers and build regular expressions
+ int count = aCaptures.Count;
+ for ( int i = 0; i < count; i++ )
+ {
+ Capture capture = aCaptures[ i ];
+
+ // Process the capture, starting at the last capture pos
+ lastCapturePos = TryToProcessCapture( capture, lastCapturePos, aLine );
+ }
+
+ aLine.Finalise();
+ }
+
+ private int TryToProcessCapture( Capture aCapture, int aStartAt, ParserLine aLine )
+ {
+ // Return the end position of the current capture.
+ int ret = -1;
+ //
+ foreach ( RegExTranslatorBase translator in iTranslators )
+ {
+ ParserField field = translator.Process( aCapture, aStartAt, aLine );
+ if ( field != null )
+ {
+ aLine.Add( field );
+ ret = field.FormatSpecifier.OriginalLocation + field.FormatSpecifier.OriginalLength;
+ break;
+ }
+ }
+ //
+ return ret;
+ }
+ #endregion
+
+ #region Internal constants
+ private static readonly RegExTranslatorBase[] KDefaultList = new RegExTranslatorBase[]
+ {
+ new RegExTranslatorDecimal(),
+ new RegExTranslatorHex(),
+ new RegExTranslatorString()
+ };
+
+ private static readonly Regex KRegExFormatSpecifier = new Regex(
+ "%{1}",
+ RegexOptions.IgnoreCase
+ | RegexOptions.CultureInvariant
+ | RegexOptions.IgnorePatternWhitespace
+ | RegexOptions.Compiled
+ );
+
+ private const string KEscapedPercent = "%%";
+ private const string KReplacementPercent = "%";
+ #endregion
+
+ #region From System.Object
+ public override string ToString()
+ {
+ return base.ToString();
+ }
+ #endregion
+
+ #region Data members
+ private static RegExTranslatorManager iTheTranslator = new RegExTranslatorManager();
+ private List<RegExTranslatorBase> iTranslators = new List<RegExTranslatorBase>();
+ private Cache.RegExTranslatorCache iCache = new SymbianParserLib.RegExTranslators.Cache.RegExTranslatorCache();
+ #endregion
+ }
+}