|
sl@0
|
1 |
// Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
|
|
sl@0
|
2 |
// All rights reserved.
|
|
sl@0
|
3 |
// This component and the accompanying materials are made available
|
|
sl@0
|
4 |
// under the terms of "Eclipse Public License v1.0"
|
|
sl@0
|
5 |
// which accompanies this distribution, and is available
|
|
sl@0
|
6 |
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
|
|
sl@0
|
7 |
//
|
|
sl@0
|
8 |
// Initial Contributors:
|
|
sl@0
|
9 |
// Nokia Corporation - initial contribution.
|
|
sl@0
|
10 |
//
|
|
sl@0
|
11 |
// Contributors:
|
|
sl@0
|
12 |
//
|
|
sl@0
|
13 |
// Description:
|
|
sl@0
|
14 |
//
|
|
sl@0
|
15 |
|
|
sl@0
|
16 |
#if !defined(__U32FRAME_H__)
|
|
sl@0
|
17 |
#define __U32FRAME_H__
|
|
sl@0
|
18 |
#if !defined(__S32SHARE_H__)
|
|
sl@0
|
19 |
#include <s32share.h>
|
|
sl@0
|
20 |
#endif
|
|
sl@0
|
21 |
|
|
sl@0
|
22 |
#if defined(_DEBUG)&&!defined(__SMALL_FRAME)
|
|
sl@0
|
23 |
//#define __SMALL_FRAME
|
|
sl@0
|
24 |
#endif
|
|
sl@0
|
25 |
//
|
|
sl@0
|
26 |
enum TFrameType16
|
|
sl@0
|
27 |
{
|
|
sl@0
|
28 |
EFrameFree16=0x0000,
|
|
sl@0
|
29 |
EFrameData16=0x4000,
|
|
sl@0
|
30 |
EFrameDescriptive16=0x8000,
|
|
sl@0
|
31 |
EFrameContinuation16=0xc000
|
|
sl@0
|
32 |
};
|
|
sl@0
|
33 |
typedef TUint16 TFrameDes16;
|
|
sl@0
|
34 |
const TInt KSizeFrameDes16=sizeof(TFrameDes16);
|
|
sl@0
|
35 |
const TInt KShiftFrameDes16=1;
|
|
sl@0
|
36 |
//
|
|
sl@0
|
37 |
const TInt KMaskFrame16=0xffff;
|
|
sl@0
|
38 |
const TInt KMaskFrameType16=0xc000;
|
|
sl@0
|
39 |
#if defined(__SMALL_FRAME)
|
|
sl@0
|
40 |
const TInt KMaskFrameLength16=0xf;
|
|
sl@0
|
41 |
const TInt KShiftFrameLength16=4;
|
|
sl@0
|
42 |
#else
|
|
sl@0
|
43 |
const TInt KMaskFrameLength16=0x3fff;
|
|
sl@0
|
44 |
const TInt KShiftFrameLength16=14;
|
|
sl@0
|
45 |
#endif
|
|
sl@0
|
46 |
//
|
|
sl@0
|
47 |
const TInt KFrameOpen16=0;
|
|
sl@0
|
48 |
const TInt KFrameMinLength16=1;
|
|
sl@0
|
49 |
const TInt KFrameMaxLength16=KMaskFrameLength16;
|
|
sl@0
|
50 |
const TInt KFrameFullLength16=KMaskFrameLength16+1;
|
|
sl@0
|
51 |
//
|
|
sl@0
|
52 |
const TInt KFrameNonexistent16=-1;
|
|
sl@0
|
53 |
//
|
|
sl@0
|
54 |
NONSHARABLE_CLASS(RFrame16Buf) : public MStreamBuf
|
|
sl@0
|
55 |
{
|
|
sl@0
|
56 |
public:
|
|
sl@0
|
57 |
static TInt Offset(TStreamPos aBase,TStreamPos aPos);
|
|
sl@0
|
58 |
static TStreamPos Position(TStreamPos aBase,TInt anOffset);
|
|
sl@0
|
59 |
//
|
|
sl@0
|
60 |
RFrame16Buf(TStreamPos aBase);
|
|
sl@0
|
61 |
inline TStreamPos Base() const;
|
|
sl@0
|
62 |
inline TInt Offset(TStreamPos aPos) const;
|
|
sl@0
|
63 |
inline TStreamPos Position(TInt anOffset) const;
|
|
sl@0
|
64 |
//
|
|
sl@0
|
65 |
TInt ExtendL(TStreamExchange& aHost,TInt anExtent,TInt aMode=ERead|EWrite);
|
|
sl@0
|
66 |
void OpenL(TStreamExchange& aHost,TInt anOffset,TInt aMode=ERead|EWrite);
|
|
sl@0
|
67 |
void Set(TStreamExchange& aHost,TInt anOffset,TInt anExtent,TInt aMode=ERead|EWrite);
|
|
sl@0
|
68 |
//
|
|
sl@0
|
69 |
inline TInt Offset() const;
|
|
sl@0
|
70 |
inline TInt Extent() const;
|
|
sl@0
|
71 |
protected:
|
|
sl@0
|
72 |
inline TBool IsCommitted() const;
|
|
sl@0
|
73 |
void CommitL();
|
|
sl@0
|
74 |
//
|
|
sl@0
|
75 |
void DoRelease();
|
|
sl@0
|
76 |
void DoSynchL();
|
|
sl@0
|
77 |
private:
|
|
sl@0
|
78 |
TInt DoReadL(TAny* aPtr,TInt aMaxLength);
|
|
sl@0
|
79 |
TInt DoReadL(TDes8& aDes,TInt aMaxLength,TRequestStatus& aStatus);
|
|
sl@0
|
80 |
TStreamTransfer DoReadL(MStreamInput& anInput,TStreamTransfer aTransfer);
|
|
sl@0
|
81 |
void DoWriteL(const TAny* aPtr,TInt aLength);
|
|
sl@0
|
82 |
TInt DoWriteL(const TDesC8& aDes,TInt aMaxLength,TRequestStatus& aStatus);
|
|
sl@0
|
83 |
TStreamTransfer DoWriteL(MStreamOutput& anOutput,TStreamTransfer aTransfer);
|
|
sl@0
|
84 |
TStreamPos DoSeekL(TMark aMark,TStreamLocation aLocation,TInt anOffset);
|
|
sl@0
|
85 |
//
|
|
sl@0
|
86 |
inline TStreamExchange& Host() const;
|
|
sl@0
|
87 |
TInt UnderflowL();
|
|
sl@0
|
88 |
void OverflowL();
|
|
sl@0
|
89 |
TBool ReachL(TInt anOffset);
|
|
sl@0
|
90 |
TInt EndL();
|
|
sl@0
|
91 |
private:
|
|
sl@0
|
92 |
TStreamPos iBase;
|
|
sl@0
|
93 |
TStreamExchange* iHost;
|
|
sl@0
|
94 |
TInt iOff;
|
|
sl@0
|
95 |
TInt iExt;
|
|
sl@0
|
96 |
TStreamMark iRMark,iWMark;
|
|
sl@0
|
97 |
TInt iRAvail,iWAvail;
|
|
sl@0
|
98 |
TInt iRLim,iWLim;
|
|
sl@0
|
99 |
TInt iMode;
|
|
sl@0
|
100 |
};
|
|
sl@0
|
101 |
|
|
sl@0
|
102 |
#include "U32FRAME.INL"
|
|
sl@0
|
103 |
#endif
|