Mercurial > vba-linux
comparison src/win32/7zip/7z/CPP/7zip/IStream.h @ 1:f9f4f1b99eed
importing src directory
author | Robert McIntyre <rlm@mit.edu> |
---|---|
date | Sat, 03 Mar 2012 10:31:27 -0600 |
parents | |
children |
comparison
equal
deleted
inserted
replaced
0:8ced16adf2e1 | 1:f9f4f1b99eed |
---|---|
1 // IStream.h | |
2 | |
3 #ifndef __ISTREAM_H | |
4 #define __ISTREAM_H | |
5 | |
6 #include "../Common/MyUnknown.h" | |
7 #include "../Common/Types.h" | |
8 | |
9 #include "IDecl.h" | |
10 | |
11 #define STREAM_INTERFACE_SUB(i, base, x) DECL_INTERFACE_SUB(i, base, 3, x) | |
12 #define STREAM_INTERFACE(i, x) STREAM_INTERFACE_SUB(i, IUnknown, x) | |
13 | |
14 STREAM_INTERFACE(ISequentialInStream, 0x01) | |
15 { | |
16 STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize) PURE; | |
17 /* | |
18 Out: if size != 0, return_value = S_OK and (*processedSize == 0), | |
19 then there are no more bytes in stream. | |
20 if (size > 0) && there are bytes in stream, | |
21 this function must read at least 1 byte. | |
22 This function is allowed to read less than number of remaining bytes in stream. | |
23 You must call Read function in loop, if you need exact amount of data | |
24 */ | |
25 }; | |
26 | |
27 STREAM_INTERFACE(ISequentialOutStream, 0x02) | |
28 { | |
29 STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize) PURE; | |
30 /* | |
31 if (size > 0) this function must write at least 1 byte. | |
32 This function is allowed to write less than "size". | |
33 You must call Write function in loop, if you need to write exact amount of data | |
34 */ | |
35 }; | |
36 | |
37 STREAM_INTERFACE_SUB(IInStream, ISequentialInStream, 0x03) | |
38 { | |
39 STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition) PURE; | |
40 }; | |
41 | |
42 STREAM_INTERFACE_SUB(IOutStream, ISequentialOutStream, 0x04) | |
43 { | |
44 STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition) PURE; | |
45 STDMETHOD(SetSize)(Int64 newSize) PURE; | |
46 }; | |
47 | |
48 STREAM_INTERFACE(IStreamGetSize, 0x06) | |
49 { | |
50 STDMETHOD(GetSize)(UInt64 *size) PURE; | |
51 }; | |
52 | |
53 STREAM_INTERFACE(IOutStreamFlush, 0x07) | |
54 { | |
55 STDMETHOD(Flush)() PURE; | |
56 }; | |
57 | |
58 #endif |