+// Parses the filterStr, returning the number of filters.
+// Returns 0 if none or if there's a problem.
+// filterStr is in the form: "All files (*.*)|*.*|JPEG Files (*.jpeg)|*.jpg"
+
+int WXDLLEXPORT wxParseWildcard(const wxString& filterStr, wxArrayString& descriptions, wxArrayString& filters)
+{
+ descriptions.Clear();
+ filters.Clear();
+
+ wxString str(filterStr);
+
+ wxString description, filter;
+ int pos = 0;
+ while( pos != wxNOT_FOUND )
+ {
+ pos = str.Find(wxT('|'));
+ if ( pos == wxNOT_FOUND )
+ {
+ // if there are no '|'s at all in the string just take the entire
+ // string as filter
+ if ( filters.IsEmpty() )
+ {
+ descriptions.Add(filterStr);
+ filters.Add(filterStr);
+ }
+ else
+ {
+ wxFAIL_MSG( _T("missing '|' in the wildcard string!") );
+ }
+
+ break;
+ }
+
+ description = str.Left(pos);
+ str = str.Mid(pos + 1);
+ pos = str.Find(wxT('|'));
+ if ( pos == wxNOT_FOUND )
+ {
+ filter = str;
+ }
+ else
+ {
+ filter = str.Left(pos);
+ str = str.Mid(pos + 1);
+ }
+
+ descriptions.Add(description);
+ filters.Add(filter);
+ }
+
+ return filters.GetCount();
+}
+
+