crashanalysercmd/PerfToolsSharedLibraries/Engine/SymBuildParsingLib/Lexer/SymLexerWorkerLine.cs
Version 1.0.13. The most important changes are:
-detailed defect hash added
-panic descriptions updated
-release build is working
-simple command line usage added
/*
* Copyright (c) 2004-2008 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.Text;
using System.Collections;
using SymBuildParsingLib.Lexer;
using SymBuildParsingLib.Utils;
namespace SymBuildParsingLib.Lexer
{
public class SymLexerWorkerLine : SymLexerWorker, ISymLexerPositionProvider
{
#region Constructors & destructor
public SymLexerWorkerLine( SymLexer aLexer )
: base( aLexer )
{
}
#endregion
#region Properties
public char LastCharacter
{
get { return iLastCharacter; }
set { iLastCharacter = value; }
}
#endregion
#region SymLexerWorker Members
public override bool ProcessCharacter( char aCharacter )
{
bool consumed = false;
// At the end of a line if we see 0x0A or then 0x0D and the next character is not 0x0A
if ( aCharacter == KSymLineFeed || aCharacter == KSymCarriageReturn )
{
if ( aCharacter == KSymLineFeed )
{
// This is definitely the end of a line. If the last
// character was a carriage return, then we mark
// the start of the end-of-line as the previous
// character. Otherwise, its this one.
AddNewEndOfLinePosition();
}
else
{
// Its a CR (0x0D) but it might be followed by a LF
// so don't do anything yet.
LastCharacter = aCharacter;
}
consumed = true;
}
else if ( LastCharacter == KSymCarriageReturn )
{
// The current character is not a line feed, but the last
// char was a carriage return => implicitly, the last
// character was an end of line.
AddNewEndOfLinePosition();
}
else
{
iCurrentPosition.Inc();
LastCharacter = aCharacter;
}
return consumed;
}
public override void StartedNewLine( SymTextPosition aEOLPosition )
{
}
#endregion
#region ISymLexerPositionProvider Members
public SymTextPosition CurrentPosition
{
get
{
return new SymTextPosition( iCurrentPosition );
}
}
public void SetObserver( ISymLexerPositionObserver aObserver )
{
}
#endregion
#region Internal methods
private void AddNewEndOfLinePosition()
{
iLineEndingPositions.Add( iCurrentPosition );
Lexer.HandleEndOfLineDetected( iCurrentPosition );
iCurrentPosition.NewLine();
iLastCharacter = '\0';
}
#endregion
#region Internal constants
const int KSymLineFeed = 0xA;
const int KSymCarriageReturn = 0xD;
#endregion
#region Data members
private char iLastCharacter = '\0';
private ArrayList iLineEndingPositions = new ArrayList( 1024 );
private SymTextPosition iCurrentPosition = new SymTextPosition();
#endregion
}
}