704{
705 static const unsigned char asso_values[] =
706 {
707 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
708 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
709 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
710 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
711 49, 49, 49, 49, 49, 49, 49, 49, 49, 5,
712 5, 30, 0, 49, 25, 49, 10, 49, 49, 49,
713 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
714 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
715 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
716 49, 49, 49, 49, 49, 0, 49, 0, 5, 49,
717 15, 0, 49, 10, 49, 30, 49, 49, 0, 20,
718 0, 49, 15, 49, 5, 10, 0, 49, 49, 49,
719 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
720 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
721 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
722 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
723 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
724 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
725 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
726 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
727 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
728 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
729 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
730 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
731 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
732 49, 49, 49, 49, 49, 49
733 };
734 size_t hval = len;
735
736 switch (hval)
737 {
738 default:
739 hval += asso_values[static_cast<unsigned char>(str[4])];
740
741 case 4:
742 hval += asso_values[static_cast<unsigned char>(str[3])];
743
744 case 3:
745 break;
746 }
747 return hval;
748}