--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/textrendering/textformatting/tagma/TBidirectionalEndofLineContext.cpp Tue Feb 02 02:02:46 2010 +0200
@@ -0,0 +1,65 @@
+/*
+* Copyright (c) 2006-2009 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:
+*
+*/
+
+
+#include "TMSTD.H"
+#include "frmUtils.h"
+
+/**
+Find the next bidirectional category and the next strong bidirectional category
+from the text.
+@param aText What to look at.
+@param aStartPosOfNextLine Where to start looking.
+*/
+void TBidirectionalEndOfLineContext::Set(RTmTextCache& aText, TInt aStartPosOfNextLine)
+ {
+ TInt documentLength = aText.Source().DocumentLength();
+ if (documentLength <= aStartPosOfNextLine)
+ {
+ iFirstCategory = iFirstStrongCategory = TChar::EOtherNeutral;
+ return;
+ }
+
+ iFirstCategory = BdCategory(aText.Char(aStartPosOfNextLine));
+
+ // Only search for the first strong category if the text, or part of the text following aStartPosOfNextLine
+ // has not already been searched through
+ if (aStartPosOfNextLine >= iPositionOfLastStrongCategory || aStartPosOfNextLine < iStartPosOfThisLine)
+ iFirstStrongCategory = FirstStrongCategoryInParagraph(aStartPosOfNextLine, aText, iPositionOfLastStrongCategory, iStartPosOfThisLine);
+ iStartPosOfThisLine = aStartPosOfNextLine;
+
+ }
+
+void TBidirectionalEndOfLineContext::ExternalizeL(RWriteStream& aDest)
+ {
+ aDest.WriteInt8L(iFirstCategory);
+ aDest.WriteInt8L(iFirstStrongCategory);
+ }
+
+void TBidirectionalEndOfLineContext::InternalizeL(RReadStream& aSource)
+ {
+ iFirstCategory = static_cast<TChar::TBdCategory>(aSource.ReadInt8L());
+ iFirstStrongCategory = static_cast<TChar::TBdCategory>(aSource.ReadInt8L());
+ iPositionOfLastStrongCategory = 0;
+ iStartPosOfThisLine = 0;
+ }
+
+void TBidirectionalContext::InternalizeL(RReadStream& aSource)
+ {
+ TBidirectionalState::InternalizeL(aSource);
+ iEndOfLine.InternalizeL(aSource);
+ }