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// IStream.h
#ifndef __ISTREAMS_H
#define __ISTREAMS_H
#include "../Common/MyUnknown.h"
#include "../Common/Types.h"
// {23170F69-40C1-278A-0000-000000010000}
DEFINE_GUID(IID_ISequentialInStream,
0x23170F69, 0x40C1, 0x278A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00);
MIDL_INTERFACE("23170F69-40C1-278A-0000-000000010000")
ISequentialInStream : public IUnknown
{
public:
STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize) = 0;
STDMETHOD(ReadPart)(void *data, UInt32 size, UInt32 *processedSize) = 0;
// For both functions Out: if (*processedSize == 0) then
// there are no more bytes in stream.
// Read function always tries to read "size" bytes from stream. It
// can read less only if it reaches end of stream.
// ReadPart function can read X bytes: (0<=X<="size") and X can
// be less than number of remaining bytes in stream.
};
// {23170F69-40C1-278A-0000-000000020000}
DEFINE_GUID(IID_ISequentialOutStream,
0x23170F69, 0x40C1, 0x278A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00);
MIDL_INTERFACE("23170F69-40C1-278A-0000-000000020000")
ISequentialOutStream : public IUnknown
{
public:
STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize) = 0;
STDMETHOD(WritePart)(const void *data, UInt32 size, UInt32 *processedSize) = 0;
};
// {23170F69-40C1-278A-0000-000000030000}
DEFINE_GUID(IID_IInStream,
0x23170F69, 0x40C1, 0x278A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00);
MIDL_INTERFACE("23170F69-40C1-278A-0000-000000030000")
IInStream : public ISequentialInStream
{
public:
STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition) = 0;
};
// {23170F69-40C1-278A-0000-000000040000}
DEFINE_GUID(IID_IOutStream,
0x23170F69, 0x40C1, 0x278A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00);
MIDL_INTERFACE("23170F69-40C1-278A-0000-000000040000")
IOutStream : public ISequentialOutStream
{
public:
STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition) = 0;
STDMETHOD(SetSize)(Int64 newSize) = 0;
};
// {23170F69-40C1-278A-0000-000000060000}
DEFINE_GUID(IID_IStreamGetSize,
0x23170F69, 0x40C1, 0x278A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00);
MIDL_INTERFACE("23170F69-40C1-278A-0000-000000060000")
IStreamGetSize : public IUnknown
{
public:
STDMETHOD(GetSize)(UInt64 *size) = 0;
};
// {23170F69-40C1-278A-0000-000000070000}
DEFINE_GUID(IID_IOutStreamFlush,
0x23170F69, 0x40C1, 0x278A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00);
MIDL_INTERFACE("23170F69-40C1-278A-0000-000000070000")
IOutStreamFlush : public IUnknown
{
public:
STDMETHOD(Flush)() = 0;
};
#endif
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