// Parse prefix and compute corresponding from and to.
func Prefix(vars url.Values) (from, to uint64, err error) {
if p := vars.Get("prefix"); p == "" {
return 0, 0, nil
}
prefix, err := strconv.ParseUint(vars.Get("prefix"), 10, 64)
if err != nil {
return 0, 0, err
}
from, err = enum.PrefixToE164(prefix)
if err != nil {
return 0, 0, err
}
to, _ = enum.PrefixToE164(prefix + 1)
return
}
// Extract the E164 part of an ENUM query. Ex: 1.2.3.4.domain -> 4321.
func extractE164FromName(name string) (number uint64, err error) {
numberprefix := strings.Join(reg.FindAllString(name, -1), "")
number, err = enum.ConvertEnumToInt(numberprefix)
number, err = enum.PrefixToE164(number)
return
}