protected override IList <Tuple <string, ContactProp?, IList <string> > > CreateMapping()
{
Debug.Assert(Analyzer.HasHeaderRow == true);
Debug.Assert(Analyzer.ColumnNames != null);
IList <Tuple <string, ContactProp?, IList <string> > >?mapping = HeaderRow.GetMappingEN();
if (Analyzer.ColumnNames.Where(s => mapping.Any(tpl => tpl.Item2.HasValue && StringComparer.OrdinalIgnoreCase.Equals(tpl.Item3[0], s))).Count() > 3)
{
return(mapping);
}
else
{
// Spaltenreihenfolge
var end = Math.Min(mapping.Count, Analyzer.ColumnNames.Count);
for (int i = 0; i < end; i++)
{
mapping[i].Item3[0] = Analyzer.ColumnNames[i];
}
for (int i = end; i < mapping.Count; i++)
{
Tuple <string, ContactProp?, IList <string> >?currentTpl = mapping[i];
mapping[i] = new Tuple <string, ContactProp?, IList <string> >(currentTpl.Item1, null, EmptyStringArray);
}
}
return(mapping);
}
protected override IList <Tuple <string, ContactProp?, IList <string> > > CreateMapping() => HeaderRow.GetMappingEN();