1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/persistentdata/persistentstorage/store/INC/U32FRAME.H	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,103 @@
     1.4 +// Copyright (c) 1998-2009 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 "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.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 +//
    1.18 +
    1.19 +#if !defined(__U32FRAME_H__)
    1.20 +#define __U32FRAME_H__
    1.21 +#if !defined(__S32SHARE_H__)
    1.22 +#include <s32share.h>
    1.23 +#endif
    1.24 +
    1.25 +#if defined(_DEBUG)&&!defined(__SMALL_FRAME)
    1.26 +//#define __SMALL_FRAME
    1.27 +#endif
    1.28 +//
    1.29 +enum TFrameType16
    1.30 +	{
    1.31 +	EFrameFree16=0x0000,
    1.32 +	EFrameData16=0x4000,
    1.33 +	EFrameDescriptive16=0x8000,
    1.34 +	EFrameContinuation16=0xc000
    1.35 +	};
    1.36 +typedef TUint16 TFrameDes16;
    1.37 +const TInt KSizeFrameDes16=sizeof(TFrameDes16);
    1.38 +const TInt KShiftFrameDes16=1;
    1.39 +//
    1.40 +const TInt KMaskFrame16=0xffff;
    1.41 +const TInt KMaskFrameType16=0xc000;
    1.42 +#if defined(__SMALL_FRAME)
    1.43 +const TInt KMaskFrameLength16=0xf;
    1.44 +const TInt KShiftFrameLength16=4;
    1.45 +#else
    1.46 +const TInt KMaskFrameLength16=0x3fff;
    1.47 +const TInt KShiftFrameLength16=14;
    1.48 +#endif
    1.49 +//
    1.50 +const TInt KFrameOpen16=0;
    1.51 +const TInt KFrameMinLength16=1;
    1.52 +const TInt KFrameMaxLength16=KMaskFrameLength16;
    1.53 +const TInt KFrameFullLength16=KMaskFrameLength16+1;
    1.54 +//
    1.55 +const TInt KFrameNonexistent16=-1;
    1.56 +//
    1.57 +NONSHARABLE_CLASS(RFrame16Buf) : public MStreamBuf
    1.58 +	{
    1.59 +public:
    1.60 +	static TInt Offset(TStreamPos aBase,TStreamPos aPos);
    1.61 +	static TStreamPos Position(TStreamPos aBase,TInt anOffset);
    1.62 +//
    1.63 +	RFrame16Buf(TStreamPos aBase);
    1.64 +	inline TStreamPos Base() const;
    1.65 +	inline TInt Offset(TStreamPos aPos) const;
    1.66 +	inline TStreamPos Position(TInt anOffset) const;
    1.67 +//
    1.68 +	TInt ExtendL(TStreamExchange& aHost,TInt anExtent,TInt aMode=ERead|EWrite);
    1.69 +	void OpenL(TStreamExchange& aHost,TInt anOffset,TInt aMode=ERead|EWrite);
    1.70 +	void Set(TStreamExchange& aHost,TInt anOffset,TInt anExtent,TInt aMode=ERead|EWrite);
    1.71 +//
    1.72 +	inline TInt Offset() const;
    1.73 +	inline TInt Extent() const;
    1.74 +protected:
    1.75 +	inline TBool IsCommitted() const;
    1.76 +	void CommitL();
    1.77 +//
    1.78 +	void DoRelease();
    1.79 +	void DoSynchL();
    1.80 +private:
    1.81 +	TInt DoReadL(TAny* aPtr,TInt aMaxLength);
    1.82 +	TInt DoReadL(TDes8& aDes,TInt aMaxLength,TRequestStatus& aStatus);
    1.83 +	TStreamTransfer DoReadL(MStreamInput& anInput,TStreamTransfer aTransfer);
    1.84 +	void DoWriteL(const TAny* aPtr,TInt aLength);
    1.85 +	TInt DoWriteL(const TDesC8& aDes,TInt aMaxLength,TRequestStatus& aStatus);
    1.86 +	TStreamTransfer DoWriteL(MStreamOutput& anOutput,TStreamTransfer aTransfer);
    1.87 +	TStreamPos DoSeekL(TMark aMark,TStreamLocation aLocation,TInt anOffset);
    1.88 +//
    1.89 +	inline TStreamExchange& Host() const;
    1.90 +	TInt UnderflowL();
    1.91 +	void OverflowL();
    1.92 +	TBool ReachL(TInt anOffset);
    1.93 +	TInt EndL();
    1.94 +private:
    1.95 +	TStreamPos iBase;
    1.96 +	TStreamExchange* iHost;
    1.97 +	TInt iOff;
    1.98 +	TInt iExt;
    1.99 +	TStreamMark iRMark,iWMark;
   1.100 +	TInt iRAvail,iWAvail;
   1.101 +	TInt iRLim,iWLim;
   1.102 +	TInt iMode;
   1.103 +	};
   1.104 +
   1.105 +#include "U32FRAME.INL"
   1.106 +#endif