Source code of Windows XP (NT5)
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#ifndef _STATIC_CLASS_FACTORY_
#define _STATIC_CLASS_FACTORY_
#define VERSION_2 2 // so we don't get confused by too many integers
#define VERSION_1 1
#define VERSION_0 0
#define COCREATEONLY NULL,NULL,VERSION_0,0,0 // piid,piidEvents,lVersion,dwOleMiscFlags,dwClassFactFlags
#define COCREATEONLY_NOFLAGS NULL,NULL,VERSION_0,0 // piid,piidEvents,lVersion,dwOleMiscFlags
/*
* Class Factory Implementation for C++ without CTRStartup required.
*/
#ifdef __cplusplus
#ifdef UNIX
#define STDMETHODX STDMETHOD
#define STDMETHODX_ STDMETHOD_
#define DECLARE_CLASS_FACTORY(cf) \
class cf: public IClassFactory \
{ \
public: \
STDMETHODX (QueryInterface)(REFIID, void **); \
STDMETHODX_(ULONG, AddRef)(); \
STDMETHODX_(ULONG, Release)(); \
\
STDMETHODX (CreateInstance)(IUnknown *, REFIID, void **); \
STDMETHODX (LockServer)(BOOL); \
} \
#else // UNIX
#define STDMETHODX(fn) HRESULT STDMETHODCALLTYPE fn
#define STDMETHODX_(ret,fn) ret STDMETHODCALLTYPE fn
#define DECLARE_CLASS_FACTORY(cf) \
class cf \
{ \
public: \
IClassFactory *vtable; \
STDMETHODX (QueryInterface)(REFIID, void **); \
STDMETHODX_(ULONG, AddRef)(); \
STDMETHODX_(ULONG, Release)(); \
\
STDMETHODX (CreateInstance)(IUnknown *, REFIID, void **); \
STDMETHODX (LockServer)(BOOL); \
} \
#endif // UNIX
DECLARE_CLASS_FACTORY( CClassFactory );
struct IClassFactoryVtbl
{
// IUnknown
HRESULT (STDMETHODCALLTYPE CClassFactory::*QueryInterface)(REFIID riid, void ** ppvObj);
ULONG (STDMETHODCALLTYPE CClassFactory::*AddRef)();
ULONG (STDMETHODCALLTYPE CClassFactory::*Release)();
// IClassFactory
HRESULT (STDMETHODCALLTYPE CClassFactory::*CreateInstance)(IUnknown *pUnkOuter, REFIID riid, void ** ppvObject);
HRESULT (STDMETHODCALLTYPE CClassFactory::*LockServer)(BOOL);
};
typedef struct IClassFactoryVtbl IClassFactoryVtbl;
//
// class CObjectInfo
//
class CObjectInfo;
typedef CObjectInfo* LPOBJECTINFO;
typedef CObjectInfo const* LPCOBJECTINFO;
typedef HRESULT (*LPFNCREATEOBJINSTANCE)(IUnknown* pUnkOuter, IUnknown** ppunk, LPCOBJECTINFO poi);
class CObjectInfo : public CClassFactory
{
public:
CLSID const* pclsid;
LPFNCREATEOBJINSTANCE pfnCreateInstance;
// for OCs and automation objects:
IID const* piid;
IID const* piidEvents;
long lVersion;
DWORD dwOleMiscFlags;
DWORD dwClassFactFlags;
CObjectInfo(CLSID const* pclsidin, LPFNCREATEOBJINSTANCE pfnCreatein, IID const* piidIn, IID const* piidEventsIn, long lVersionIn, DWORD dwOleMiscFlagsIn, DWORD dwClassFactFlagsIn);
};
#ifndef NO_CFVTBL
const IClassFactoryVtbl c_CFVtbl = {
CClassFactory::QueryInterface,
CClassFactory::AddRef,
CClassFactory::Release,
CClassFactory::CreateInstance,
CClassFactory::LockServer
};
#endif
//
// CLASS FACTORY TABLE STUFF
//
typedef struct tagOBJECTINFO
{
void *cf;
CLSID const* pclsid;
LPFNCREATEOBJINSTANCE pfnCreateInstance;
// for OCs and automation objects:
IID const* piid;
IID const* piidEvents;
long lVersion;
DWORD dwOleMiscFlags;
DWORD dwClassFactFlags;
} OBJECTINFO;
#ifdef UNIX
#define CF_TABLE_BEGIN(cfTable) const CObjectInfo cfTable[] = {
#define CF_TABLE_ENTRY CObjectInfo
#define CF_TABLE_ENTRY_NOFLAGS CObjectInfo
#define CF_TABLE_ENTRY_ALL CObjectInfo
#define CF_TABLE_END(cfTable) \
CF_TABLE_ENTRY(NULL, NULL, COCREATEONLY) };
#define GET_ICLASSFACTORY(ptr) ((IClassFactory *)ptr)
#else // UNIX
#define CF_TABLE_BEGIN(cfTable) const OBJECTINFO cfTable##_tble[] = {
#define CF_TABLE_ENTRY(p1, p2, p3) { (void *)&c_CFVtbl, p1, p2, p3 }
#define CF_TABLE_ENTRY_NOFLAGS(p1, p2, p3, p4) { (void *)&c_CFVtbl, p1, p2, p3, p4 }
#define CF_TABLE_ENTRY_ALL(p1, p2, p3, p4, p5, p6, p7) { (void *)&c_CFVtbl, p1, p2, p3, p4 , p5, p6, p7}
#define CF_TABLE_END(cfTable) \
CF_TABLE_ENTRY(NULL, NULL, COCREATEONLY) }; \
const CObjectInfo *cfTable = (const CObjectInfo *)cfTable##_tble;
#define GET_ICLASSFACTORY(ptr) ((IClassFactory *)&ptr->vtable)
#endif // UNIX
#define DECLARE_CF_TABLE(cfTable) extern const CObjectInfo *cfTable;
#endif // __cplusplus
#endif // _STATIC_CLASS_FACTORY_