1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/epoc32/include/txtfmstm.h	Tue Mar 16 16:12:26 2010 +0000
     1.3 @@ -0,0 +1,81 @@
     1.4 +// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// PRIVATE HEADER FILE CONTAINING IMPLEMENTATION SPECIFIC CLASSES
    1.18 +// 
    1.19 +//
    1.20 +
    1.21 +#ifndef __TXTFMSTM_H__
    1.22 +#define __TXTFMSTM_H__
    1.23 +
    1.24 +#include <e32std.h>
    1.25 +#include <txtfrmat.h>
    1.26 +
    1.27 +// forward declarations
    1.28 +class RReadStream;
    1.29 +class RWriteStream;
    1.30 +class TCharFormatX;
    1.31 +class TCharFormatXMask;
    1.32 +
    1.33 +/**
    1.34 +stores format attributes as bytecode
    1.35 +@internalComponent
    1.36 +*/
    1.37 +class RFormatStream
    1.38 +	{
    1.39 +public:
    1.40 +	RFormatStream();
    1.41 +	void CopyL(const RFormatStream& aSource);
    1.42 +	void ExternalizeL(RWriteStream& aStream) const;
    1.43 +	void InternalizeL(RReadStream& aStream);
    1.44 +	void Reset();
    1.45 +	const TUint8* Ptr(TInt& aSize) const;
    1.46 +	void SetParaFormatL(const CParaFormat* aDesiredFormat,const TParaFormatMask& aDesiredMask,const CParaFormat* aCurrentFormat);
    1.47 +	void SenseParaFormatL(CParaFormat* aParaFormat,TParaFormatMask& aMask,CParaFormat::TParaFormatGetMode aMode)const;
    1.48 +	void SetCharFormatL(const TCharFormatX& aCharFormat,const TCharFormatXMask& aMask);
    1.49 +	void SenseCharFormat(TCharFormatX& aCharFormat,TCharFormatXMask& aMask)const;
    1.50 +	void Swap(RFormatStream& aStream);
    1.51 +
    1.52 +private:
    1.53 +	void AllocL(TInt aSize);
    1.54 +	TInt Length(TUint8*& aPtr,TTextFormatAttribute aType)const;
    1.55 +	TInt DoCalcSizeParaFormat(const CParaFormat* aDesiredFormat,TParaFormatMask aMask,const CParaFormat* aCurrentFormat);
    1.56 +	void DoSetParaFormat(const CParaFormat* aDesiredFormat,TParaFormatMask aMask,const CParaFormat* aCurrentFormat);
    1.57 +	void RemoveRedundantCharFormat(TCharFormatMask& aMask,const TCharFormatX& aFormat,const TCharFormatX& aEffectiveFormat);
    1.58 +	TInt DoCalcSizeCharFormat(const TCharFormatX& aCharFormat,const TCharFormatXMask& aMask);
    1.59 +	void DoStoreCharFormat(const TCharFormatX& aCharFormat,TCharFormatXMask aMask);
    1.60 +	TUint8* StoreBullet(TUint8* aPtr,const TBullet& aSource);
    1.61 +	TUint8* StoreBorder(TUint8* aPtr,TTextFormatAttribute aType,const TParaBorder& aSource);
    1.62 +	TUint8* StoreTab(TUint8* aPtr,const TTabStop& aSource);
    1.63 +	TInt StoreTabs(TUint8*& aPtr,const CParaFormat* aDesiredFormat,const CParaFormat* aCurrentFormat,TBool aStoreData);
    1.64 +	TInt MergeTabLists(TUint8*& aPtr,const CParaFormat* aDesiredFormat,TInt aDesiredTabCount,
    1.65 +					   const CParaFormat* aCurrentFormat,TInt aCurrentTabCount,TBool aStoreData);
    1.66 +	void StoreAllTabs(TUint8*& aPtr,const CParaFormat* aSource);
    1.67 +	TUint8* Store(TUint8* aPtr,const TLogicalRgb& aRgb);
    1.68 +	TUint8* Store(TUint8* aPtr,const TTypeface& aTypeface);
    1.69 +	TUint8* ReadValue(TUint8* aPtr,TLogicalRgb& aRgb)const;
    1.70 +	TUint8* ReadValue(TUint8* aPtr,TTypeface& aTypeface)const;
    1.71 +	TUint8* ReadValue(TUint8* aPtr,TParaBorder& aBorder)const;
    1.72 +	TUint8* ReadValue(TUint8* aPtr,TBullet& aBullet)const;
    1.73 +	TUint8* ReadTabL(TUint8* aPtr,CParaFormat* aTarget)const;
    1.74 +
    1.75 +	TUint8* iBase;	// start of stored bytecode
    1.76 +	TUint8* iEnd;	// end of stored bytecode
    1.77 +
    1.78 +	__DECLARE_TEST;
    1.79 +private:
    1.80 +	void TestInvariantL() const;
    1.81 +	TBool DoInvariantCheck() const;
    1.82 +	};
    1.83 +
    1.84 +#endif