ReactOS Development > Doxygen

00001 #pragma once
00002 
00003 /*
00004  ******************************************************************************
00005  * This header is for easier generation of IUnknown interfaces for inherited  *
00006  * classes and for casts from the interface to the implementation and vice    *
00007  * versa.                                                                     *
00008  ******************************************************************************
00009  */
00010 
00011 /* Generates a Iiface::AddRef() method that forwards to Iimpl::AddRef() */
00012 #define METHOD_IUNKNOWN_INHERITED_ADDREF_NAME(iface,impl) impl##Impl_##iface##_AddRef
00013 #define METHOD_IUNKNOWN_INHERITED_ADDREF(iface,impl) \
00014 static ULONG STDMETHODCALLTYPE \
00015 impl##Impl_##iface##_AddRef(IN OUT iface *ifc) { \
00016     impl##Impl *This = impl##Impl_from_##iface (ifc); \
00017     impl *baseiface = impl##_from_##impl##Impl(This); \
00018     return impl##Impl_AddRef(baseiface); \
00019 }
00020 
00021 /* Generates a Iiface::Release() method that forwards to Iimpl::Release() */
00022 #define METHOD_IUNKNOWN_INHERITED_RELEASE_NAME(iface,impl) impl##Impl_##iface##_Release
00023 #define METHOD_IUNKNOWN_INHERITED_RELEASE(iface,impl) \
00024 static ULONG STDMETHODCALLTYPE \
00025 impl##Impl_##iface##_Release(IN OUT iface *ifc) { \
00026     impl##Impl *This = impl##Impl_from_##iface (ifc); \
00027     impl *baseiface = impl##_from_##impl##Impl(This); \
00028     return impl##Impl_AddRef(baseiface); \
00029 }
00030 
00031 /* Generates a Iiface::QueryInterface() method that forwards to Iimpl::QueryInterface() */
00032 #define METHOD_IUNKNOWN_INHERITED_QUERYINTERFACE_NAME(iface,impl) impl##Impl_##iface##_QueryInterface
00033 #define METHOD_IUNKNOWN_INHERITED_QUERYINTERFACE(iface,impl) \
00034 static HRESULT STDMETHODCALLTYPE \
00035 impl##Impl_##iface##_QueryInterface(IN OUT iface *ifc, IN REFIID riid, OUT VOID **ppvObject) { \
00036     impl##Impl *This = impl##Impl_from_##iface (ifc); \
00037     impl *baseiface = impl##_from_##impl##Impl(This); \
00038     return impl##Impl_QueryInterface(baseiface, riid, ppvObject); \
00039 }
00040 
00041 /* Generates a Ixxx_from_IxxxImpl() and a IxxxImpl_from_Ixxx() inline function */
00042 #define IMPL_CASTS(iface,impl,vtbl) \
00043 static __inline iface * \
00044 iface##_from_##impl##Impl (impl##Impl *This) { \
00045     return (iface *)&This->vtbl; \
00046 } \
00047 static __inline impl##Impl * \
00048 impl##Impl_from_##iface (iface *ifc) { \
00049     return (impl##Impl *)((ULONG_PTR)ifc - FIELD_OFFSET(impl##Impl, vtbl)); \
00050 }
Generated on Sun May 27 2012 04:18:25 for ReactOS by
1.7.6.1