internal static Filter PrependToken(Filter filter, QueryToken prefix)
{
if (filter is FilterCondition fc)
{
return(new FilterCondition(prefix.Append(fc.Token), fc.Operation, fc.Value));
}
if (filter is FilterGroup fg)
{
return(new FilterGroup(fg.GroupOperation, fg.Token == null ? null : prefix.Append(fg.Token),
fg.Filters.Select(f => PrependToken(f, prefix)).ToList()));
}
throw new UnexpectedValueException(filter);
}
private static Filter ToFilterAppend(QueryFilterEmbedded f, QueryToken mainQueryKey)
{
QueryToken token = mainQueryKey.Append(f.Token.Token);
return(new Filter(token, f.Operation,
FilterValueConverter.Parse(f.ValueString, token.Type, f.Operation.IsList())));
}
