wmiutils: Add class factory.

dlls/wmiutils/main.c

@@ -19,14 +19,98 @@
 #include "config.h"
 #include <stdarg.h>
 
+#define COBJMACROS
+
 #include "windef.h"
 #include "winbase.h"
 #include "winuser.h"
+#include "objbase.h"
+#include "wbemcli.h"
 
 #include "wine/debug.h"
+#include "wmiutils_private.h"
 
 WINE_DEFAULT_DEBUG_CHANNEL(wmiutils);
 
+typedef HRESULT (*fnCreateInstance)( IUnknown *pUnkOuter, LPVOID *ppObj );
+
+typedef struct
+{
+    const struct IClassFactoryVtbl *vtbl;
+    fnCreateInstance pfnCreateInstance;
+} wmiutils_cf;
+
+static inline wmiutils_cf *impl_from_IClassFactory( IClassFactory *iface )
+{
+    return (wmiutils_cf *)((char *)iface - FIELD_OFFSET( wmiutils_cf, vtbl ));
+}
+
+static HRESULT WINAPI wmiutils_cf_QueryInterface( IClassFactory *iface, REFIID riid, LPVOID *ppobj )
+{
+    if (IsEqualGUID(riid, &IID_IUnknown) ||
+        IsEqualGUID(riid, &IID_IClassFactory))
+    {
+        IClassFactory_AddRef( iface );
+        *ppobj = iface;
+        return S_OK;
+    }
+    FIXME("interface %s not implemented\n", debugstr_guid(riid));
+    return E_NOINTERFACE;
+}
+
+static ULONG WINAPI wmiutils_cf_AddRef( IClassFactory *iface )
+{
+    return 2;
+}
+
+static ULONG WINAPI wmiutils_cf_Release( IClassFactory *iface )
+{
+    return 1;
+}
+
+static HRESULT WINAPI wmiutils_cf_CreateInstance( IClassFactory *iface, LPUNKNOWN pOuter,
+                                                  REFIID riid, LPVOID *ppobj )
+{
+    wmiutils_cf *This = impl_from_IClassFactory( iface );
+    HRESULT r;
+    IUnknown *punk;
+
+    TRACE("%p %s %p\n", pOuter, debugstr_guid(riid), ppobj);
+
+    *ppobj = NULL;
+
+    if (pOuter)
+        return CLASS_E_NOAGGREGATION;
+
+    r = This->pfnCreateInstance( pOuter, (LPVOID *)&punk );
+    if (FAILED(r))
+        return r;
+
+    r = IUnknown_QueryInterface( punk, riid, ppobj );
+    if (FAILED(r))
+        return r;
+
+    IUnknown_Release( punk );
+    return r;
+}
+
+static HRESULT WINAPI wmiutils_cf_LockServer( IClassFactory *iface, BOOL dolock )
+{
+    FIXME("(%p)->(%d)\n", iface, dolock);
+    return S_OK;
+}
+
+static const struct IClassFactoryVtbl wmiutils_cf_vtbl =
+{
+    wmiutils_cf_QueryInterface,
+    wmiutils_cf_AddRef,
+    wmiutils_cf_Release,
+    wmiutils_cf_CreateInstance,
+    wmiutils_cf_LockServer
+};
+
+static wmiutils_cf status_code_cf = { &wmiutils_cf_vtbl, WbemStatusCodeText_create };
+
 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID lpv )
 {
     switch(reason)
@@ -41,3 +125,23 @@ BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID lpv )
     }
     return TRUE;
 }
+
+HRESULT WINAPI DllGetClassObject( REFCLSID rclsid, REFIID iid, LPVOID *ppv )
+{
+    IClassFactory *cf = NULL;
+
+    TRACE("%s %s %p\n", debugstr_guid(rclsid), debugstr_guid(iid), ppv);
+
+    if (IsEqualGUID( rclsid, &CLSID_WbemStatusCode ))
+    {
+       cf = (IClassFactory *)&status_code_cf.vtbl;
+    }
+    if (!cf) return CLASS_E_CLASSNOTAVAILABLE;
+    return IClassFactory_QueryInterface( cf, iid, ppv );
+}
+
+HRESULT WINAPI DllCanUnloadNow( void )
+{
+    FIXME("\n");
+    return S_FALSE;
+}

dlls/wmiutils/wmiutils.spec

@@ -1,4 +1,4 @@
-@ stub DllCanUnloadNow
+@ stdcall -private DllCanUnloadNow()
-@ stub DllGetClassObject
+@ stdcall -private DllGetClassObject(ptr ptr ptr)
 @ stub DllRegisterServer
 @ stub DllUnregisterServer