Symaptic: os/persistentdata/persistentstorage/store/USTRM/US

     1 // Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    16 #include "U32STD.H"

    17 #include "U32FRAME.H"

    19 const TInt KShiftCardinality8=1;

    20 const TInt KShiftCardinality16=2;

    21 const TInt KShiftCardinality32=3;

    22 //

    23 const TInt KDefaultIoBufSize=0xc00;

    24 const TInt KFilterIoBufSize=0x100;

    25 //

    26 NONSHARABLE_CLASS(TNullInput) : public MStreamInput

    27 	{

    28 public:

    29 	TInt PushL(const TAny* aPtr,TInt aMaxLength);

    30 	TStreamTransfer ReadFromL(MStreamBuf& aSource,TStreamTransfer aTransfer);

    31 	};

    32 //

    33 NONSHARABLE_CLASS(TSourceOutput) : public MStreamOutput

    34 	{

    35 public:

    36 	inline TSourceOutput(MStreamBuf* aSource);

    37 //

    38 	TInt PullL(TAny* aPtr,TInt aMaxLength);

    39 	TStreamTransfer WriteToL(MStreamBuf& aSink,TStreamTransfer aTransfer);

    40 private:

    41 	MStreamBuf* iSrc;

    42 	};

    43 //

    44 NONSHARABLE_CLASS(TFilterInput) : public MStreamInput

    45 	{

    46 public:

    47 	inline TFilterInput(TStreamFilter& aFilter,TAny* aPtr,TInt aMaxLength);

    48 	inline TBool Done() const;

    49 	inline TBool Eof() const;

    50 	inline TInt Left() const;

    51 //

    52 	TInt PushL(const TAny* aPtr,TInt aMaxLength);

    53 	TStreamTransfer ReadFromL(MStreamBuf& aSource,TStreamTransfer aTransfer);

    54 private:

    55 	TStreamFilter* iFltr;

    56 	TUint8* iPtr;

    57 	TInt iLeft;

    58 	};

    59 NONSHARABLE_CLASS(TFilterOutput) : public MStreamOutput

    60 	{

    61 public:

    62 	inline TFilterOutput(TStreamFilter& aFilter,const TAny* aPtr,TInt aLength);

    63 	inline TBool Done() const;

    64 //

    65 	TInt PullL(TAny* aPtr,TInt aMaxLength);

    66 	TStreamTransfer WriteToL(MStreamBuf& aSink,TStreamTransfer aTransfer);

    67 private:

    68 	TStreamFilter* iFltr;

    69 	const TUint8* iFrom;

    70 	const TUint8* iEnd;

    71 	};

    72 //

    73 NONSHARABLE_CLASS(TDelimitedInput8) : public MStreamInput

    74 	{

    75 public:

    76 	TDelimitedInput8(TUint8* aPtr,TInt aLength,TChar aDelim);

    77 	inline TUint8* Ptr() const;

    78 	inline TInt Done() const;

    79 //

    80 	TInt PushL(const TAny* aPtr,TInt aMaxLength);

    81 	TStreamTransfer ReadFromL(MStreamBuf& aSource,TStreamTransfer aTransfer);

    82 private:

    83 	TUint8* iPtr;

    84 	TInt iLeft;

    85 	TChar iDelim;

    86 	};

    87 NONSHARABLE_CLASS(TDelimitedInput16) : public MStreamInput

    88 	{

    89 public:

    90 	TDelimitedInput16(TUint16* aPtr,TInt aLength,TChar aDelim);

    91 	inline TUint16* Ptr() const;

    92 	inline TInt Done() const;

    93 //

    94 	TInt PushL(const TAny* aPtr,TInt aMaxLength);

    95 	TStreamTransfer ReadFromL(MStreamBuf& aSource,TStreamTransfer aTransfer);

    96 private:

    97 	TUint16* iPtr;

    98 	TInt iLeft;

    99 	TChar iDelim;

   100 	};

   101 //

   102 enum TStreamPanic

   103 	{

   104 	EStreamNotOpen,

   105 	EStreamReadLengthNegative,

   106 	EStreamReadBeyondEnd,

   107 	EStreamReadNoTransfer,

   108 	EStreamReadInBreach,

   109 	EStreamWriteLengthNegative,

   110 	EStreamWriteBeyondEnd,

   111 	EStreamWriteNoTransfer,

   112 	EStreamWriteInBreach,

   113 	EStreamDoesNotUnderstand,

   114 	EStreamCannotRead,

   115 	EStreamCannotWrite,

   116 	EStreamCannotSeek,

   117 	EStreamTransferNegative,

   118 	EStreamPosInvalid,

   119 	EStreamMarkInvalid,

   120 	EStreamLocationInvalid,

   121 	EStreamAreaInvalid,

   122 	EStreamModeInvalid,

   123 	EStreamUnderflowInBreach,

   124 	EStreamOverflowInBreach,

   125 	EStreamFilterInBreach,

   126 	EStreamPushLengthNegative,

   127 	EStreamPushNoTransfer,

   128 	EStreamPushInBreach,

   129 	EStreamPullLengthNegative,

   130 	EStreamPullNoTransfer,

   131 	EStreamPullInBreach,

   132 	EStreamCardinalityOutOfRange,

   133 	EStreamOffsetNegative,

   134 	EStreamExtentNegative,

   135 	EStreamTypeInvalid,

   136 	EStreamCommitted

   137 	};

   139 GLREF_C void Panic(TStreamPanic aPanic);

   141 #include "US_STD.INL"

author	sl
	Tue, 10 Jun 2014 14:32:02 +0200
changeset 1	260cb5ec6c19
permissions	-rw-r--r--