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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 | |
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Chromium Code Reviews
Issue 624713003:
Keep only base/extractor.[cc|h]. (Closed)
Base URL: https://chromium.googlesource.com/external/omaha.git@master