diff options
Diffstat (limited to 'Build/source/utils/lzma/src/sdk/7zip/IStream.h')
-rw-r--r-- | Build/source/utils/lzma/src/sdk/7zip/IStream.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/Build/source/utils/lzma/src/sdk/7zip/IStream.h b/Build/source/utils/lzma/src/sdk/7zip/IStream.h new file mode 100644 index 00000000000..1641a514599 --- /dev/null +++ b/Build/source/utils/lzma/src/sdk/7zip/IStream.h @@ -0,0 +1,64 @@ +// IStream.h + +#ifndef __ISTREAM_H +#define __ISTREAM_H + +#include "../Common/MyUnknown.h" +#include "../Common/Types.h" + +// "23170F69-40C1-278A-0000-000300xx0000" + +#define STREAM_INTERFACE_SUB(i, b, x) \ +DEFINE_GUID(IID_ ## i, \ +0x23170F69, 0x40C1, 0x278A, 0x00, 0x00, 0x00, 0x03, 0x00, x, 0x00, 0x00); \ +struct i: public b + +#define STREAM_INTERFACE(i, x) STREAM_INTERFACE_SUB(i, IUnknown, x) + +STREAM_INTERFACE(ISequentialInStream, 0x01) +{ + STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize) PURE; + /* + Out: if size != 0, return_value = S_OK and (*processedSize == 0), + then there are no more bytes in stream. + if (size > 0) && there are bytes in stream, + this function must read at least 1 byte. + This function is allowed to read less than number of remaining bytes in stream. + You must call Read function in loop, if you need exact amount of data + */ +}; + +STREAM_INTERFACE(ISequentialOutStream, 0x02) +{ + STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize) PURE; + /* + if (size > 0) this function must write at least 1 byte. + This function is allowed to write less than "size". + You must call Write function in loop, if you need to write exact amount of data + */ + + STDMETHOD(Close)() PURE; +}; + +STREAM_INTERFACE_SUB(IInStream, ISequentialInStream, 0x03) +{ + STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition) PURE; +}; + +STREAM_INTERFACE_SUB(IOutStream, ISequentialOutStream, 0x04) +{ + STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition) PURE; + STDMETHOD(SetSize)(Int64 newSize) PURE; +}; + +STREAM_INTERFACE(IStreamGetSize, 0x06) +{ + STDMETHOD(GetSize)(UInt64 *size) PURE; +}; + +STREAM_INTERFACE(IOutStreamFlush, 0x07) +{ + STDMETHOD(Flush)() PURE; +}; + +#endif |