[pywin32-checkins] pywin32/com/win32com/src/extensions PyIEnumGUID.cpp, 1.5, 1.6

[Mark H. <mha...@us...>]

Update of /cvsroot/pywin32/pywin32/com/win32com/src/extensions
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv3897/extensions

Modified Files:
	PyIEnumGUID.cpp 
Log Message:
Add gateway support for IEnumGUID


Index: PyIEnumGUID.cpp
===================================================================
RCS file: /cvsroot/pywin32/pywin32/com/win32com/src/extensions/PyIEnumGUID.cpp,v
retrieving revision 1.5
retrieving revision 1.6
diff -C2 -d -r1.5 -r1.6
*** PyIEnumGUID.cpp	2 Nov 2003 09:57:44 -0000	1.5
--- PyIEnumGUID.cpp	22 Jan 2008 12:11:59 -0000	1.6
***************
*** 146,148 ****
--- 146,230 ----
  				 GET_PYCOM_CTOR(PyIEnumGUID));
  
+ // ---------------------------------------------------
+ //
+ // Gateway Implementation
+ 
+ 
+ STDMETHODIMP PyGEnumGUID::Next(ULONG celt, GUID __RPC_FAR *rgVar,ULONG __RPC_FAR *pCeltFetched)
+ {
+ 	PY_GATEWAY_METHOD;
+ 	PyObject *result, *result_tuple, *result_item;
+ 	ULONG item_index;
+ 	HRESULT hr = InvokeViaPolicy("Next", &result, "i", celt);
+ 	if ( FAILED(hr) )
+ 		return hr;
+ 
+ 	// Caller is expected to allocate array of GUIDs
+ 	ZeroMemory(rgVar, celt*sizeof(LPOLESTR));
+ 	result_tuple=PySequence_Tuple(result);
+ 	if (result_tuple==NULL)
+ 		return PyCom_SetCOMErrorFromPyException(IID_IEnumGUID);
+ 	hr=S_OK;
+ 	*pCeltFetched = PyWin_SAFE_DOWNCAST(PyTuple_GET_SIZE(result_tuple), Py_ssize_t, ULONG);
+ 	if (*pCeltFetched > celt){
+ 		PyErr_Format(PyExc_ValueError, "Received %d items , but only %d items requested", *pCeltFetched, celt);
+ 		hr=PyCom_SetCOMErrorFromPyException(IID_IEnumGUID);
+ 		}
+ 	else
+ 		for (item_index = 0; item_index < *pCeltFetched; item_index++){
+ 			result_item = PyTuple_GET_ITEM(result_tuple, item_index);
+ 			if (!PyWinObject_AsIID(result_item, &rgVar[item_index])){
+ 				hr=PyCom_SetCOMErrorFromPyException(IID_IEnumGUID);
+ 				break;
+ 				}
+ 			}
+ 
+ 	Py_DECREF(result_tuple);
+ 	return hr;
+ }
+ 
+ STDMETHODIMP PyGEnumGUID::Skip(ULONG celt)
+ {
+ 	PY_GATEWAY_METHOD;
+ 	return InvokeViaPolicy("Skip", NULL, "i", celt);
+ }
+ 
+ STDMETHODIMP PyGEnumGUID::Reset(void)
+ {
+ 	PY_GATEWAY_METHOD;
+ 	return InvokeViaPolicy("Reset");
+ }
+ 
+ STDMETHODIMP PyGEnumGUID::Clone(IEnumGUID __RPC_FAR *__RPC_FAR *ppEnum)
+ {
+ 	PY_GATEWAY_METHOD;
+ 	PyObject * result;
+ 	HRESULT hr = InvokeViaPolicy("Clone", &result);
+ 	if ( FAILED(hr) )
+ 		return hr;
+ 
+ 	if ( !PyIBase::is_object(result, &PyIUnknown::type) )
+ 	{
+ 		// the wrong kind of object was returned to us
+ 		Py_DECREF(result);
+ 		return PyCom_SetCOMErrorFromSimple(E_FAIL, IID_IEnumGUID);
+ 	}
+ 
+ 	IUnknown *punk = ((PyIUnknown *)result)->m_obj;
+ 	if ( !punk )
+ 	{
+ 		Py_DECREF(result);
+ 		return PyCom_SetCOMErrorFromSimple(E_FAIL, IID_IEnumGUID);
+ 	}
+ 
+ 	Py_BEGIN_ALLOW_THREADS
+ 	hr = punk->QueryInterface(IID_IEnumGUID, (LPVOID *)ppEnum);
+ 	Py_END_ALLOW_THREADS
+ 
+ 	// done with the result; this DECREF is also for <punk>
+ 	Py_DECREF(result);
+ 
+ 	return PyCom_SetCOMErrorFromSimple(hr, IID_IEnumGUID);
+ }
+ 
  #endif // NO_PYCOM_IENUMGUID