130 lines
4.4 KiB
C
130 lines
4.4 KiB
C
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#ifndef _STATIC_CLASS_FACTORY_
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#define _STATIC_CLASS_FACTORY_
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/*
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* Class Factory Implementation for C++ without CTRStartup required.
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*/
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#ifdef __cplusplus
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#ifdef UNIX
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#define STDMETHODX STDMETHOD
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#define STDMETHODX_ STDMETHOD_
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#define DECLARE_CLASS_FACTORY(cf) \
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class cf: public IClassFactory \
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{ \
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public: \
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STDMETHODX (QueryInterface)(REFIID, void **); \
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STDMETHODX_(ULONG, AddRef)(); \
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STDMETHODX_(ULONG, Release)(); \
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\
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STDMETHODX (CreateInstance)(IUnknown *, REFIID, void **); \
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STDMETHODX (LockServer)(BOOL); \
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} \
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#else // UNIX
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#define STDMETHODX(fn) HRESULT __stdcall fn
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#define STDMETHODX_(ret,fn) ret __stdcall fn
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#define DECLARE_CLASS_FACTORY(cf) \
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class cf \
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{ \
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public: \
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void *vtable; \
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STDMETHODX (QueryInterface)(REFIID, void **); \
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STDMETHODX_(ULONG, AddRef)(); \
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STDMETHODX_(ULONG, Release)(); \
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\
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STDMETHODX (CreateInstance)(IUnknown *, REFIID, void **); \
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STDMETHODX (LockServer)(BOOL); \
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} \
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#endif // UNIX
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DECLARE_CLASS_FACTORY( CClassFactory );
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struct IClassFactoryVtbl
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{
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// *** IUnknown methods ***
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HRESULT (STDMETHODCALLTYPE CClassFactory::* QueryInterface) (
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REFIID riid,
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LPVOID FAR* ppvObj) ;
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ULONG (STDMETHODCALLTYPE CClassFactory::*AddRef) () ;
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ULONG (STDMETHODCALLTYPE CClassFactory::*Release) () ;
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// *** IClassFactory methods ***
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HRESULT (STDMETHODCALLTYPE CClassFactory::*CreateInstance) (
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LPUNKNOWN pUnkOuter,
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REFIID riid,
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LPVOID FAR* ppvObject) ;
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HRESULT (STDMETHODCALLTYPE CClassFactory::*LockServer)(BOOL);
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};
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typedef struct IClassFactoryVtbl IClassFactoryVtbl;
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//
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// class CObjectInfo
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//
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typedef HRESULT (*LPFNCREATEINSTANCE)(IUnknown *punkOuter, REFIID riid, void **ppvOut);
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class CObjectInfo : public CClassFactory
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{
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public:
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CObjectInfo(CLSID const* pclsidin, LPFNCREATEINSTANCE pfnCreatein)
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{ pclsid = pclsidin; pfnCreate = pfnCreatein; }
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CLSID const* pclsid;
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LPFNCREATEINSTANCE pfnCreate;
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};
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const IClassFactoryVtbl c_CFVtbl = {
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CClassFactory::QueryInterface,
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CClassFactory::AddRef,
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CClassFactory::Release,
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CClassFactory::CreateInstance,
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CClassFactory::LockServer
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};
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//
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// CLASS FACTORY TABLE STUFF
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//
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typedef struct {
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const IClassFactoryVtbl *cf;
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const CLSID *rclsid;
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HRESULT (*pfnCreate)(IUnknown *, REFIID, void **);
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} OBJ_ENTRY;
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#ifdef UNIX
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#define CF_TABLE_BEGIN(cfTable) const CObjectInfo cfTable[] = {
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#define CF_TABLE_ENTRY(pclsid, pfnCreate) CObjectInfo( pclsid, pfnCreate),
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#define CF_TABLE_END(cfTable) \
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CF_TABLE_ENTRY(NULL, NULL) };
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#define GET_ICLASSFACTORY(ptr) SAFECAST( ptr, IClassFactory *)
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#else
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#define CF_TABLE_BEGIN(cfTable) const OBJ_ENTRY cfTable##_tble[] = {
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#define CF_TABLE_ENTRY(pClsid, pfnCreate ) { &c_CFVtbl, pClsid, pfnCreate },
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#define CF_TABLE_END(cfTable) \
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CF_TABLE_ENTRY(NULL, NULL) }; \
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const CObjectInfo *cfTable = (CObjectInfo *)cfTable##_tble;
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#define GET_ICLASSFACTORY(ptr) (&(ptr->vtable))
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#endif
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#endif // __cplusplus
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#endif // _STATIC_CLASS_FACTORY_
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