Mercurial > vba-linux
comparison src/win32/7zip/7z/CPP/7zip/Common/StreamObjects.h @ 1:f9f4f1b99eed
importing src directory
author | Robert McIntyre <rlm@mit.edu> |
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date | Sat, 03 Mar 2012 10:31:27 -0600 |
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0:8ced16adf2e1 | 1:f9f4f1b99eed |
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1 // StreamObjects.h | |
2 | |
3 #ifndef __STREAMOBJECTS_H | |
4 #define __STREAMOBJECTS_H | |
5 | |
6 #include "../../Common/DynamicBuffer.h" | |
7 #include "../../Common/MyCom.h" | |
8 #include "../IStream.h" | |
9 | |
10 class CSequentialInStreamImp: | |
11 public ISequentialInStream, | |
12 public CMyUnknownImp | |
13 { | |
14 const Byte *_dataPointer; | |
15 size_t _size; | |
16 size_t _pos; | |
17 | |
18 public: | |
19 void Init(const Byte *dataPointer, size_t size) | |
20 { | |
21 _dataPointer = dataPointer; | |
22 _size = size; | |
23 _pos = 0; | |
24 } | |
25 | |
26 MY_UNKNOWN_IMP | |
27 | |
28 STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize); | |
29 }; | |
30 | |
31 | |
32 class CWriteBuffer | |
33 { | |
34 CByteDynamicBuffer _buffer; | |
35 size_t _size; | |
36 public: | |
37 CWriteBuffer(): _size(0) {} | |
38 void Init() { _size = 0; } | |
39 void Write(const void *data, size_t size); | |
40 size_t GetSize() const { return _size; } | |
41 const CByteDynamicBuffer& GetBuffer() const { return _buffer; } | |
42 }; | |
43 | |
44 class CSequentialOutStreamImp: | |
45 public ISequentialOutStream, | |
46 public CMyUnknownImp | |
47 { | |
48 CWriteBuffer _writeBuffer; | |
49 public: | |
50 void Init() { _writeBuffer.Init(); } | |
51 size_t GetSize() const { return _writeBuffer.GetSize(); } | |
52 const CByteDynamicBuffer& GetBuffer() const { return _writeBuffer.GetBuffer(); } | |
53 | |
54 MY_UNKNOWN_IMP | |
55 | |
56 STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize); | |
57 }; | |
58 | |
59 class CSequentialOutStreamImp2: | |
60 public ISequentialOutStream, | |
61 public CMyUnknownImp | |
62 { | |
63 Byte *_buffer; | |
64 size_t _size; | |
65 size_t _pos; | |
66 public: | |
67 | |
68 void Init(Byte *buffer, size_t size) | |
69 { | |
70 _buffer = buffer; | |
71 _pos = 0; | |
72 _size = size; | |
73 } | |
74 | |
75 size_t GetPos() const { return _pos; } | |
76 | |
77 MY_UNKNOWN_IMP | |
78 | |
79 STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize); | |
80 }; | |
81 | |
82 class CSequentialInStreamSizeCount: | |
83 public ISequentialInStream, | |
84 public CMyUnknownImp | |
85 { | |
86 CMyComPtr<ISequentialInStream> _stream; | |
87 UInt64 _size; | |
88 public: | |
89 void Init(ISequentialInStream *stream) | |
90 { | |
91 _stream = stream; | |
92 _size = 0; | |
93 } | |
94 UInt64 GetSize() const { return _size; } | |
95 | |
96 MY_UNKNOWN_IMP | |
97 | |
98 STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize); | |
99 }; | |
100 | |
101 class CSequentialOutStreamSizeCount: | |
102 public ISequentialOutStream, | |
103 public CMyUnknownImp | |
104 { | |
105 CMyComPtr<ISequentialOutStream> _stream; | |
106 UInt64 _size; | |
107 public: | |
108 void SetStream(ISequentialOutStream *stream) { _stream = stream; } | |
109 void Init() { _size = 0; } | |
110 UInt64 GetSize() const { return _size; } | |
111 | |
112 MY_UNKNOWN_IMP | |
113 | |
114 STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize); | |
115 }; | |
116 | |
117 #endif |