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1 // CWrappers.h
2 
3 #ifndef __C_WRAPPERS_H
4 #define __C_WRAPPERS_H
5 
6 #include "../ICoder.h"
7 #include "../../Common/MyCom.h"
8 
9 SRes HRESULT_To_SRes(HRESULT res, SRes defaultRes) throw();
10 HRESULT SResToHRESULT(SRes res) throw();
11 
12 struct CCompressProgressWrap
13 {
14   ICompressProgress vt;
15   ICompressProgressInfo *Progress;
16   HRESULT Res;
17 
18   void Init(ICompressProgressInfo *progress) throw();
19 };
20 
21 
22 struct CSeqInStreamWrap
23 {
24   ISeqInStream vt;
25   ISequentialInStream *Stream;
26   HRESULT Res;
27   UInt64 Processed;
28 
29   void Init(ISequentialInStream *stream) throw();
30 };
31 
32 
33 struct CSeekInStreamWrap
34 {
35   ISeekInStream vt;
36   IInStream *Stream;
37   HRESULT Res;
38 
39   void Init(IInStream *stream) throw();
40 };
41 
42 
43 struct CSeqOutStreamWrap
44 {
45   ISeqOutStream vt;
46   ISequentialOutStream *Stream;
47   HRESULT Res;
48   UInt64 Processed;
49 
50   void Init(ISequentialOutStream *stream) throw();
51 };
52 
53 
54 struct CByteInBufWrap
55 {
56   IByteIn vt;
57   const Byte *Cur;
58   const Byte *Lim;
59   Byte *Buf;
60   UInt32 Size;
61   ISequentialInStream *Stream;
62   UInt64 Processed;
63   bool Extra;
64   HRESULT Res;
65 
66   CByteInBufWrap();
~CByteInBufWrapCByteInBufWrap67   ~CByteInBufWrap() { Free(); }
68   void Free() throw();
69   bool Alloc(UInt32 size) throw();
InitCByteInBufWrap70   void Init()
71   {
72     Lim = Cur = Buf;
73     Processed = 0;
74     Extra = false;
75     Res = S_OK;
76   }
GetProcessedCByteInBufWrap77   UInt64 GetProcessed() const { return Processed + (Cur - Buf); }
78   Byte ReadByteFromNewBlock() throw();
ReadByteCByteInBufWrap79   Byte ReadByte()
80   {
81     if (Cur != Lim)
82       return *Cur++;
83     return ReadByteFromNewBlock();
84   }
85 };
86 
87 
88 struct CByteOutBufWrap
89 {
90   IByteOut vt;
91   Byte *Cur;
92   const Byte *Lim;
93   Byte *Buf;
94   size_t Size;
95   ISequentialOutStream *Stream;
96   UInt64 Processed;
97   HRESULT Res;
98 
99   CByteOutBufWrap() throw();
~CByteOutBufWrapCByteOutBufWrap100   ~CByteOutBufWrap() { Free(); }
101   void Free() throw();
102   bool Alloc(size_t size) throw();
InitCByteOutBufWrap103   void Init()
104   {
105     Cur = Buf;
106     Lim = Buf + Size;
107     Processed = 0;
108     Res = S_OK;
109   }
GetProcessedCByteOutBufWrap110   UInt64 GetProcessed() const { return Processed + (Cur - Buf); }
111   HRESULT Flush() throw();
WriteByteCByteOutBufWrap112   void WriteByte(Byte b)
113   {
114     *Cur++ = b;
115     if (Cur == Lim)
116       Flush();
117   }
118 };
119 
120 #endif
121