#define VT_TYPEMASK 0xfff
#endif
-WXDLLEXPORT bool wxConvertOleToVariant(const VARIANTARG& oleVariant, wxVariant& variant)
+WXDLLEXPORT bool
+wxConvertOleToVariant(const VARIANTARG& oleVariant, wxVariant& variant)
{
- switch (oleVariant.vt & VT_TYPEMASK)
+ bool ok = true;
+ if ( oleVariant.vt & VT_ARRAY )
{
- case VT_BSTR:
- {
- wxString str(wxConvertStringFromOle(oleVariant.bstrVal));
- variant = str;
- break;
- }
- case VT_DATE:
+ variant.ClearList();
+
+ // Compute the total number of elements in all array dimensions
+ int cElements = 1;
+ for ( int cDims = 0; cDims < oleVariant.parray->cDims; cDims++ )
+ cElements *= oleVariant.parray->rgsabound[cDims].cElements;
+
+ // Get a pointer to the data
+ VARIANTARG* pvdata;
+ HRESULT hr = SafeArrayAccessData(oleVariant.parray, (void **)&pvdata);
+ if ( FAILED(hr) )
+ return false;
+
+ for ( int i = 0; i < cElements; i++ )
{
-#if wxUSE_DATETIME
- unsigned short dosDate = 0;
- unsigned short dosTime = 0;
- VariantTimeToDosDateTime(oleVariant.date, & dosDate, & dosTime);
-
- long dosDateTime = (dosDate << 16) | dosTime;
- wxDateTime date;
- date.SetFromDOS(dosDateTime);
- variant = date;
-#endif
- break;
+ VARIANTARG& oleElement = pvdata[i];
+ wxVariant vElement;
+ if ( !wxConvertOleToVariant(oleElement, vElement) )
+ {
+ ok = false;
+ variant.ClearList();
+ break;
+ }
+
+ variant.Append(vElement);
}
- case VT_I4:
+
+ SafeArrayUnaccessData(oleVariant.parray);
+ }
+ else if ( oleVariant.vt & VT_BYREF )
+ {
+ switch ( oleVariant.vt & VT_TYPEMASK )
{
- variant = (long) oleVariant.lVal;
- break;
+ case VT_VARIANT:
+ {
+ VARIANTARG& oleReference = *((LPVARIANT)oleVariant.byref);
+ if (!wxConvertOleToVariant(oleReference,variant))
+ return false;
+ break;
+ }
+
+ default:
+ wxLogError(wxT("wxAutomationObject::ConvertOleToVariant: [as yet] unhandled reference %X"),oleVariant.vt);
+ return false;
}
- case VT_I2:
+ }
+ else // simply type (not array or reference)
+ {
+ switch (oleVariant.vt & VT_TYPEMASK)
{
- variant = (long) oleVariant.iVal;
- break;
- }
+ case VT_BSTR:
+ {
+ wxString str(wxConvertStringFromOle(oleVariant.bstrVal));
+ variant = str;
+ break;
+ }
+ case VT_DATE:
+ {
+#if wxUSE_DATETIME
+ unsigned short dosDate = 0;
+ unsigned short dosTime = 0;
+ VariantTimeToDosDateTime(oleVariant.date, & dosDate, & dosTime);
+
+ long dosDateTime = (dosDate << 16) | dosTime;
+ wxDateTime date;
+ date.SetFromDOS(dosDateTime);
+ variant = date;
+#endif
+ break;
+ }
+ case VT_I4:
+ {
+ variant = (long) oleVariant.lVal;
+ break;
+ }
+ case VT_I2:
+ {
+ variant = (long) oleVariant.iVal;
+ break;
+ }
- case VT_BOOL:
- {
+ case VT_BOOL:
+ {
#if (defined(_MSC_VER) && (_MSC_VER <= 1000) && !defined(__MWERKS__) ) //GC
#ifndef HAVE_BOOL // Can't use bool operator if no native bool type
- variant = (long) (oleVariant.bool != 0);
+ variant = (long) (oleVariant.bool != 0);
#else
- variant = (bool) (oleVariant.bool != 0);
+ variant = (bool) (oleVariant.bool != 0);
#endif
#else
#ifndef HAVE_BOOL // Can't use bool operator if no native bool type
- variant = (long) (oleVariant.boolVal != 0);
+ variant = (long) (oleVariant.boolVal != 0);
#else
- variant = (bool) (oleVariant.boolVal != 0);
+ variant = (bool) (oleVariant.boolVal != 0);
#endif
#endif
- break;
- }
- case VT_R8:
- {
- variant = oleVariant.dblVal;
- break;
- }
- case VT_ARRAY:
- {
- variant.ClearList();
-
- int cDims, cElements, i;
- VARIANTARG* pvdata;
-
- // Iterate the dimensions: number of elements is x*y*z
- for (cDims = 0, cElements = 1;
- cDims < oleVariant.parray->cDims; cDims ++)
- cElements *= oleVariant.parray->rgsabound[cDims].cElements;
-
- // Get a pointer to the data
- HRESULT hr = SafeArrayAccessData(oleVariant.parray, (void HUGEP* FAR*) & pvdata);
- if (hr != NOERROR)
- return false;
- // Iterate the data.
- for (i = 0; i < cElements; i++)
- {
- VARIANTARG& oleElement = pvdata[i];
- wxVariant vElement;
- if (!wxConvertOleToVariant(oleElement, vElement))
+ break;
+ }
+ case VT_R8:
+ {
+ variant = oleVariant.dblVal;
+ break;
+ }
+ case VT_DISPATCH:
+ {
+ variant = (void*) oleVariant.pdispVal;
+ break;
+ }
+ case VT_NULL:
+ {
+ variant.MakeNull();
+ break;
+ }
+ case VT_EMPTY:
+ {
+ break; // Ignore Empty Variant, used only during destruction of objects
+ }
+ default:
+ {
+ wxLogError(wxT("wxAutomationObject::ConvertOleToVariant: Unknown variant value type %X -> %X"),oleVariant.vt,oleVariant.vt&VT_TYPEMASK);
return false;
-
- variant.Append(vElement);
- }
- SafeArrayUnaccessData(oleVariant.parray);
- break;
- }
- case VT_DISPATCH:
- {
- variant = (void*) oleVariant.pdispVal;
- break;
- }
- case VT_NULL:
- {
- variant.MakeNull();
- break;
- }
- case VT_EMPTY:
- {
- break; // Ignore Empty Variant, used only during destruction of objects
- }
- default:
- {
- wxLogError(wxT("wxAutomationObject::ConvertOleToVariant: Unknown variant value type"));
- return false;
+ }
}
}
- return true;
+
+ return ok;
}
/*
case VT_R8:
case VT_ERROR: // to avoid erroring on an error return from Excel
case VT_EMPTY:
+ case VT_DATE:
// no work for these types
break;