windows-nt/Source/XPSP1/NT/base/win32/fusion/sxs/gsgenctx.h

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2020-09-26 03:20:57 -05:00
#if !defined(_FUSION_GSGENCTX_H_INCLUDED_)
#define _FUSION_GSGENCTX_H_INCLUDED_
#pragma once
#include "fusionheap.h"
class CGSGenCtx
{
public:
static BOOL Create(
PGUID_SECTION_GENERATION_CONTEXT *GSGenContext,
ULONG DataFormatVersion,
GUID_SECTION_GENERATION_CONTEXT_CALLBACK_FUNCTION CallbackFunction,
PVOID CallbackContext
);
BOOL Add(const GUID &rGuid, PVOID DataContext, ULONG AssemblyRosterIndex, DWORD DuplicateErrorCode);
BOOL Find(const GUID &rGuid, PVOID *DataContext);
BOOL GetSectionSize(PSIZE_T SectionSize);
BOOL GetSectionData(SIZE_T BufferSize, PVOID Buffer, SIZE_T *BytesWritten);
PVOID GetCallbackContext() { return m_CallbackContext; }
VOID DeleteYourself() { FUSION_DELETE_SINGLETON(this); }
~CGSGenCtx();
protected:
CGSGenCtx();
GUID_SECTION_GENERATION_CONTEXT_CALLBACK_FUNCTION m_CallbackFunction;
PVOID m_CallbackContext;
class Entry
{
public:
Entry() : m_DataContext(NULL), m_Next(NULL) { }
~Entry() { }
BOOL Initialize(const GUID &Guid, PVOID DataContext, ULONG AssemblyRosterIndex);
BOOL GetEntryDataSize(CGSGenCtx *pSSGenCtx, SIZE_T &rSize);
BOOL GetEntryData(CGSGenCtx *pSSGenCtx, SIZE_T BufferSize, PVOID Buffer, SIZE_T *BytesWritten);
GUID m_Guid;
PVOID m_DataContext;
Entry *m_Next;
ULONG m_AssemblyRosterIndex;
};
friend Entry;
static int __cdecl SortGuidSectionEntries(const void *elem1, const void *elem2);
ULONG m_EntryCount;
ULONG m_HashTableSize;
Entry *m_FirstEntry;
Entry *m_LastEntry;
ULONG m_DataFormatVersion;
};
#endif