119 lines
4.7 KiB
C
119 lines
4.7 KiB
C
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#if !defined(_FUSION_INC_PSTREAM_H_INCLUDED_)
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#define _FUSION_INC_PSTREAM_H_INCLUDED_
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#pragma once
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typedef struct tagFUSION_PSTREAM_VERSION_INDEPENDENT_HEADER
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{
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WORD wByteOrder; // Always 0xFFFE for little-endian
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WORD wFormat; // Starting with 1
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DWORD dwOSVer; // System version
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CLSID clsid; // Originator identifier
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DWORD reserved; // reserved as in PROPERTYSETHEADER
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} FUSION_PSTREAM_VERSION_INDEPENDENT_HEADER, *PFUSION_PSTREAM_VERSION_INDEPENDENT_HEADER;
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typedef const FUSION_PSTREAM_VERSION_INDEPENDENT_HEADER *PCFUSION_PSTREAM_VERSION_INDEPENDENT_HEADER;
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typedef struct tagFUSION_PSTREAM_VERSION_1_HEADER
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{
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FUSION_PSTREAM_VERSION_INDEPENDENT_HEADER vih;
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} FUSION_PSTREAM_VERSION_1_HEADER, *PFUSION_PSTREAM_VERSION_1_HEADER;
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typedef struct tagFUSION_PSTREAM_ELEMENT
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{
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BYTE bIndicator;
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union
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{
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struct
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{
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GUID guidSectionSet;
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ULONG ulSectionID;
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} BeginSectionVal;
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struct
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{
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DWORD propid;
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WORD wType;
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} PropertyVal;
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};
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} FUSION_PSTREAM_ELEMENT, *PFUSION_PSTREAM_ELEMENT;
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typedef const FUSION_PSTREAM_ELEMENT *PCFUSION_PSTREAM_ELEMENT;
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#define FUSION_PSTREAM_INDICATOR_SECTION_BEGIN (1)
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#define FUSION_PSTREAM_SIZEOF_SECTION_BEGIN (21) // BYTE + GUID + ULONG
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#define FUSION_PSTREAM_INDICATOR_SECTION_END (2)
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#define FUSION_PSTREAM_SIZEOF_SECTION_END (1) // BYTE
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#define FUSION_PSTREAM_INDICATOR_PROPERTY (3)
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#define FUSION_PSTREAM_SIZEOF_PROPERTY (7) // BYTE + DWORD + WORD
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#define FUSION_PSTREAM_INDICATOR_END (4)
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#define FUSION_PSTREAM_SIZEOF_END (1) // BYTE
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//
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// While the design for the fusion property stream is similar to the
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// OLE property set persistance format, it's specifically optimized to
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// be able to be pushed over the wire with as little pre-calculation
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// and buffering as possible. Thus rather than having each property
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// carry its total byte count (which may not be computable), each
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// type is generally prefixed by either an element count or a length.
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//
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// Specifics, per type:
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//
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// VT_I1, VT_UI1:
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// 03 // FUSION_PSTREAM_INDICATOR_PROPERTY
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// xx xx xx xx // property id
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// 10 00 // VT_I1
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// yy // single byte integer value
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//
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// VT_I2, VT_UI2:
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// 03 // FUSION_PSTREAM_INDICATOR_PROPERTY
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// xx xx xx xx // property id
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// 02 00 // VT_I2
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// yy yy // word integer value
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//
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// VT_I4, VT_UI4:
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// 03 // FUSION_PSTREAM_INDICATOR_PROPERTY
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// xx xx xx xx // property id
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// 03 00 // VT_I4
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// yy yy yy yy // dword integer value
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//
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// VT_LPSTR:
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// 03 // FUSION_PSTREAM_INDICATOR_PROPERTY
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// xx xx xx xx // property id
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// 1E 00 // VT_LPSTR
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// yy yy yy yy // byte/character count
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// ... // "y" bytes of data; no null terminator and no padding
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//
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// VT_LPWSTR:
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// 03 // FUSION_PSTREAM_INDICATOR_PROPERTY
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// xx xx xx xx // property id
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// 1F 00 // VT_LPWSTR
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// yy yy yy yy // character count
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// ... // "y" characters (2*y bytes) of data; no null terminator and no padding
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//
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// VT_BLOB:
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// 03 // FUSION_PSTREAM_INDICATOR_PROPERTY
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// xx xx xx xx // property id
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// 41 00 // VT_BLOB
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// yy yy yy yy // byte count
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// ... // "y" bytes of data; no padding
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//
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// VT_VECTOR | VT_LPWSTR:
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// 03 // FUSION_PSTREAM_INDICATOR_PROPERTY
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// xx xx xx xx // property id
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// 1F 10 // VT_VECTOR | VT_LPWSTR
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// yy yy yy yy // element count
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// zz zz zz zz // character count for first element
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// ... // "z" characters (2*z bytes) of data; no null terminator and no padding
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// zz zz zz zz // character count for 2nd element
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// ... // "z" characters (2*z bytes) of data; no null terminator and no padding
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// .
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// .
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// .
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// repeats "y" times; y may be 0 in which case the property ends immediately
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// after the "y" bytes.
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//
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//
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#endif
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