diff -r 000000000000 -r bde4ae8d615e os/textandloc/textrendering/texthandling/inc/TXTFMSTM.H --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/os/textandloc/textrendering/texthandling/inc/TXTFMSTM.H Fri Jun 15 03:10:57 2012 +0200 @@ -0,0 +1,83 @@ +/* +* Copyright (c) 1997-2009 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: +* PRIVATE HEADER FILE CONTAINING IMPLEMENTATION SPECIFIC CLASSES +* +*/ + + +#ifndef __TXTFMSTM_H__ +#define __TXTFMSTM_H__ + +#include +#include + +// forward declarations +class RReadStream; +class RWriteStream; +class TCharFormatX; +class TCharFormatXMask; + +/** +stores format attributes as bytecode, this class is intended for internal use only. +@publishedAll +*/ +class RFormatStream + { +public: + RFormatStream(); + void CopyL(const RFormatStream& aSource); + void ExternalizeL(RWriteStream& aStream) const; + void InternalizeL(RReadStream& aStream); + void Reset(); + const TUint8* Ptr(TInt& aSize) const; + void SetParaFormatL(const CParaFormat& aDesiredFormat,const TParaFormatMask& aDesiredMask,const CParaFormat& aCurrentFormat); + void SenseParaFormatL(CParaFormat& aParaFormat,TParaFormatMask& aMask,CParaFormat::TParaFormatGetMode aMode)const; + void SetCharFormatL(const TCharFormatX& aCharFormat,const TCharFormatXMask& aMask); + void SenseCharFormat(TCharFormatX& aCharFormat,TCharFormatXMask& aMask)const; + void Swap(RFormatStream& aStream); + +private: + void AllocL(TInt aSize); + TInt Length(TUint8*& aPtr,TTextFormatAttribute aType)const; + TInt DoCalcSizeParaFormat(const CParaFormat& aDesiredFormat,TParaFormatMask aMask,const CParaFormat& aCurrentFormat); + void DoSetParaFormat(const CParaFormat& aDesiredFormat,TParaFormatMask aMask,const CParaFormat& aCurrentFormat); + void RemoveRedundantCharFormat(TCharFormatMask& aMask,const TCharFormatX& aFormat,const TCharFormatX& aEffectiveFormat); + TInt DoCalcSizeCharFormat(const TCharFormatX& aCharFormat,const TCharFormatXMask& aMask); + void DoStoreCharFormat(const TCharFormatX& aCharFormat,TCharFormatXMask aMask); + TUint8* StoreBullet(TUint8* aPtr,const TBullet& aSource); + TUint8* StoreBorder(TUint8* aPtr,TTextFormatAttribute aType,const TParaBorder& aSource); + TUint8* StoreTab(TUint8* aPtr,const TTabStop& aSource); + TInt StoreTabs(TUint8*& aPtr,const CParaFormat& aDesiredFormat,const CParaFormat& aCurrentFormat,TBool aStoreData); + TInt MergeTabLists(TUint8*& aPtr,const CParaFormat& aDesiredFormat,TInt aDesiredTabCount, + const CParaFormat& aCurrentFormat,TInt aCurrentTabCount,TBool aStoreData); + void StoreAllTabs(TUint8*& aPtr,const CParaFormat& aSource); + TUint8* Store(TUint8* aPtr,const TLogicalRgb& aRgb); + TUint8* Store(TUint8* aPtr,const TTypeface& aTypeface); + TUint8* ReadValue(TUint8* aPtr,TLogicalRgb& aRgb)const; + TUint8* ReadValue(TUint8* aPtr,TTypeface& aTypeface)const; + TUint8* ReadValue(TUint8* aPtr,TParaBorder& aBorder)const; + TUint8* ReadValue(TUint8* aPtr,TBullet& aBullet)const; + TUint8* ReadTabL(TUint8* aPtr,CParaFormat& aTarget)const; + + TUint8* iBase; // start of stored bytecode + TUint8* iEnd; // end of stored bytecode + + __DECLARE_TEST; +private: + void TestInvariantL() const; + TBool DoInvariantCheck() const; + }; + +#endif