func (tx *btx) _findNCValue(ncv *ncdomain.Value, isubname, subname string, depth int,
shortCircuitFunc func(curNCV *ncdomain.Value) bool) (xncv *ncdomain.Value, sn string, err error) {
if shortCircuitFunc != nil && shortCircuitFunc(ncv) {
return ncv, subname, nil
}
if isubname != "" {
head, rest := util.SplitDomainHead(isubname)
sub, ok := ncv.Map[head]
if !ok {
sub, ok = ncv.Map["*"]
if !ok {
return nil, "", merr.ErrNoSuchDomain
}
}
return tx._findNCValue(sub, rest, head+"."+subname, depth+1, shortCircuitFunc)
}
if shortCircuitFunc != nil {
return nil, subname, merr.ErrNoSuchDomain
}
return ncv, subname, nil
}
func (v *Value) findSubdomainByName(subdomain string) (*Value, error) {
if subdomain == "" {
return v, nil
}
if strings.HasSuffix(subdomain, ".") {
return nil, fmt.Errorf("a subdomain name should not be fully qualified")
}
head, rest := util.SplitDomainHead(subdomain)
if sub, ok := v.Map[head]; ok {
return sub.findSubdomainByName(rest)
}
return nil, fmt.Errorf("subdomain part not found: %s", head)
}
func TestSplitDomainHead(t *testing.T) {
for i := range items {
head, rest := util.SplitDomainHead(items[i].input)
tail, trest := util.SplitDomainTail(items[i].input)
if head != items[i].expectedHead {
t.Errorf("Input \"%s\": head \"%s\" does not equal expected value \"%s\"", items[i].input, head, items[i].expectedHead)
}
if rest != items[i].expectedRest {
t.Errorf("Input \"%s\": rest \"%s\" does not equal expected value \"%s\"", items[i].input, rest, items[i].expectedRest)
}
if tail != items[i].expectedTail {
t.Errorf("Input \"%s\": tail \"%s\" does not equal expected value \"%s\"", items[i].input, tail, items[i].expectedTail)
}
if trest != items[i].expectedTailRest {
t.Errorf("Input \"%s\": tail rest \"%s\" does not equal expected value \"%s\"", items[i].input, trest, items[i].expectedTailRest)
}
}
}