sl@0: // Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #include "U32STD.H"
sl@0: #include "U32FRAME.H"
sl@0: 
sl@0: const TInt KShiftCardinality8=1;
sl@0: const TInt KShiftCardinality16=2;
sl@0: const TInt KShiftCardinality32=3;
sl@0: //
sl@0: const TInt KDefaultIoBufSize=0xc00;
sl@0: const TInt KFilterIoBufSize=0x100;
sl@0: //
sl@0: NONSHARABLE_CLASS(TNullInput) : public MStreamInput
sl@0: 	{
sl@0: public:
sl@0: 	TInt PushL(const TAny* aPtr,TInt aMaxLength);
sl@0: 	TStreamTransfer ReadFromL(MStreamBuf& aSource,TStreamTransfer aTransfer);
sl@0: 	};
sl@0: //
sl@0: NONSHARABLE_CLASS(TSourceOutput) : public MStreamOutput
sl@0: 	{
sl@0: public:
sl@0: 	inline TSourceOutput(MStreamBuf* aSource);
sl@0: //
sl@0: 	TInt PullL(TAny* aPtr,TInt aMaxLength);
sl@0: 	TStreamTransfer WriteToL(MStreamBuf& aSink,TStreamTransfer aTransfer);
sl@0: private:
sl@0: 	MStreamBuf* iSrc;
sl@0: 	};
sl@0: //
sl@0: NONSHARABLE_CLASS(TFilterInput) : public MStreamInput
sl@0: 	{
sl@0: public:
sl@0: 	inline TFilterInput(TStreamFilter& aFilter,TAny* aPtr,TInt aMaxLength);
sl@0: 	inline TBool Done() const;
sl@0: 	inline TBool Eof() const;
sl@0: 	inline TInt Left() const;
sl@0: //
sl@0: 	TInt PushL(const TAny* aPtr,TInt aMaxLength);
sl@0: 	TStreamTransfer ReadFromL(MStreamBuf& aSource,TStreamTransfer aTransfer);
sl@0: private:
sl@0: 	TStreamFilter* iFltr;
sl@0: 	TUint8* iPtr;
sl@0: 	TInt iLeft;
sl@0: 	};
sl@0: NONSHARABLE_CLASS(TFilterOutput) : public MStreamOutput
sl@0: 	{
sl@0: public:
sl@0: 	inline TFilterOutput(TStreamFilter& aFilter,const TAny* aPtr,TInt aLength);
sl@0: 	inline TBool Done() const;
sl@0: //
sl@0: 	TInt PullL(TAny* aPtr,TInt aMaxLength);
sl@0: 	TStreamTransfer WriteToL(MStreamBuf& aSink,TStreamTransfer aTransfer);
sl@0: private:
sl@0: 	TStreamFilter* iFltr;
sl@0: 	const TUint8* iFrom;
sl@0: 	const TUint8* iEnd;
sl@0: 	};
sl@0: //
sl@0: NONSHARABLE_CLASS(TDelimitedInput8) : public MStreamInput
sl@0: 	{
sl@0: public:
sl@0: 	TDelimitedInput8(TUint8* aPtr,TInt aLength,TChar aDelim);
sl@0: 	inline TUint8* Ptr() const;
sl@0: 	inline TInt Done() const;
sl@0: //
sl@0: 	TInt PushL(const TAny* aPtr,TInt aMaxLength);
sl@0: 	TStreamTransfer ReadFromL(MStreamBuf& aSource,TStreamTransfer aTransfer);
sl@0: private:
sl@0: 	TUint8* iPtr;
sl@0: 	TInt iLeft;
sl@0: 	TChar iDelim;
sl@0: 	};
sl@0: NONSHARABLE_CLASS(TDelimitedInput16) : public MStreamInput
sl@0: 	{
sl@0: public:
sl@0: 	TDelimitedInput16(TUint16* aPtr,TInt aLength,TChar aDelim);
sl@0: 	inline TUint16* Ptr() const;
sl@0: 	inline TInt Done() const;
sl@0: //
sl@0: 	TInt PushL(const TAny* aPtr,TInt aMaxLength);
sl@0: 	TStreamTransfer ReadFromL(MStreamBuf& aSource,TStreamTransfer aTransfer);
sl@0: private:
sl@0: 	TUint16* iPtr;
sl@0: 	TInt iLeft;
sl@0: 	TChar iDelim;
sl@0: 	};
sl@0: //
sl@0: enum TStreamPanic
sl@0: 	{
sl@0: 	EStreamNotOpen,
sl@0: 	EStreamReadLengthNegative,
sl@0: 	EStreamReadBeyondEnd,
sl@0: 	EStreamReadNoTransfer,
sl@0: 	EStreamReadInBreach,
sl@0: 	EStreamWriteLengthNegative,
sl@0: 	EStreamWriteBeyondEnd,
sl@0: 	EStreamWriteNoTransfer,
sl@0: 	EStreamWriteInBreach,
sl@0: 	EStreamDoesNotUnderstand,
sl@0: 	EStreamCannotRead,
sl@0: 	EStreamCannotWrite,
sl@0: 	EStreamCannotSeek,
sl@0: 	EStreamTransferNegative,
sl@0: 	EStreamPosInvalid,
sl@0: 	EStreamMarkInvalid,
sl@0: 	EStreamLocationInvalid,
sl@0: 	EStreamAreaInvalid,
sl@0: 	EStreamModeInvalid,
sl@0: 	EStreamUnderflowInBreach,
sl@0: 	EStreamOverflowInBreach,
sl@0: 	EStreamFilterInBreach,
sl@0: 	EStreamPushLengthNegative,
sl@0: 	EStreamPushNoTransfer,
sl@0: 	EStreamPushInBreach,
sl@0: 	EStreamPullLengthNegative,
sl@0: 	EStreamPullNoTransfer,
sl@0: 	EStreamPullInBreach,
sl@0: 	EStreamCardinalityOutOfRange,
sl@0: 	EStreamOffsetNegative,
sl@0: 	EStreamExtentNegative,
sl@0: 	EStreamTypeInvalid,
sl@0: 	EStreamCommitted
sl@0: 	};
sl@0: 
sl@0: GLREF_C void Panic(TStreamPanic aPanic);
sl@0: 
sl@0: #include "US_STD.INL"
sl@0: