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itss: Simplify the class factory.

This commit is contained in:
Mike McCormack 2006-08-22 17:17:23 +09:00 committed by Alexandre Julliard
parent 86de27bad6
commit 73137390b0
1 changed files with 20 additions and 63 deletions
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83
dlls/itss/itss.c
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@ -67,32 +67,17 @@ BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
* ITSS ClassFactory
*/
typedef struct {
IClassFactory ITF_IClassFactory;
LONG ref;
const IClassFactoryVtbl *lpVtbl;
HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
} IClassFactoryImpl;
struct object_creation_info
{
const CLSID *clsid;
LPCSTR szClassName;
HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
};
static const struct object_creation_info object_creation[] =
{
{ &CLSID_ITStorage, "ITStorage", ITSS_create },
{ &CLSID_ITSProtocol, "ITSProtocol", ITS_IParseDisplayName_create },
};
static HRESULT WINAPI
ITSSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
if (IsEqualGUID(riid, &IID_IUnknown)
|| IsEqualGUID(riid, &IID_IClassFactory))
if (IsEqualGUID(riid, &IID_IUnknown) ||
IsEqualGUID(riid, &IID_IClassFactory))
{
IClassFactory_AddRef(iface);
*ppobj = This;
@ -105,22 +90,14 @@ ITSSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj)
static ULONG WINAPI ITSSCF_AddRef(LPCLASSFACTORY iface)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
return InterlockedIncrement(&This->ref);
InterlockedIncrement(&dll_count);
return 2;
}
static ULONG WINAPI ITSSCF_Release(LPCLASSFACTORY iface)
{
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
ULONG ref = InterlockedDecrement(&This->ref);
if (ref == 0) {
HeapFree(GetProcessHeap(), 0, This);
InterlockedDecrement(&dll_count);
}
return ref;
InterlockedDecrement(&dll_count);
return 1;
}
@ -130,8 +107,8 @@ static HRESULT WINAPI ITSSCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOut
IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
HRESULT hres;
LPUNKNOWN punk;
TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
TRACE("(%p)->(%p,%s,%p)\n", This, pOuter, debugstr_guid(riid), ppobj);
*ppobj = NULL;
hres = This->pfnCreateInstance(pOuter, (LPVOID *) &punk);
@ -146,7 +123,7 @@ static HRESULT WINAPI ITSSCF_LockServer(LPCLASSFACTORY iface, BOOL dolock)
{
TRACE("(%p)->(%d)\n", iface, dolock);
if(dolock)
if (dolock)
InterlockedIncrement(&dll_count);
else
InterlockedDecrement(&dll_count);
@ -163,49 +140,29 @@ static const IClassFactoryVtbl ITSSCF_Vtbl =
ITSSCF_LockServer
};
static const IClassFactoryImpl ITStorage_factory = { &ITSSCF_Vtbl, ITSS_create };
static const IClassFactoryImpl ITSProtocol_factory = { &ITSSCF_Vtbl, ITS_IParseDisplayName_create };
/***********************************************************************
* DllGetClassObject (ITSS.@)
*/
HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID iid, LPVOID *ppv)
{
DWORD i;
IClassFactoryImpl *factory;
const IClassFactoryImpl *factory;
TRACE("%s %s %p\n",debugstr_guid(rclsid), debugstr_guid(iid), ppv);
if ( !IsEqualGUID( &IID_IClassFactory, iid )
&& ! IsEqualGUID( &IID_IUnknown, iid) )
return E_NOINTERFACE;
TRACE("%s %s %p\n", debugstr_guid(rclsid), debugstr_guid(iid), ppv);
for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
{
if (IsEqualGUID(object_creation[i].clsid, rclsid))
break;
}
if (i == sizeof(object_creation)/sizeof(object_creation[0]))
if (IsEqualGUID(&CLSID_ITStorage, rclsid))
factory = &ITStorage_factory;
else if (IsEqualGUID(&CLSID_ITSProtocol, rclsid))
factory = &ITSProtocol_factory;
else
{
FIXME("%s: no class found.\n", debugstr_guid(rclsid));
return CLASS_E_CLASSNOTAVAILABLE;
}
TRACE("Creating a class factory for %s\n",object_creation[i].szClassName);
factory = HeapAlloc(GetProcessHeap(), 0, sizeof(*factory));
if (factory == NULL) return E_OUTOFMEMORY;
factory->ITF_IClassFactory.lpVtbl = &ITSSCF_Vtbl;
factory->ref = 1;
factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
*ppv = &(factory->ITF_IClassFactory);
InterlockedIncrement(&dll_count);
TRACE("(%p) <- %p\n", ppv, &(factory->ITF_IClassFactory) );
return S_OK;
return IUnknown_QueryInterface( (IUnknown*) factory, iid, ppv );
}
/*****************************************************************************/