func plumbDir1(dir string, w io.Writer) error {
m := plumb.Message{
Src: "navigator",
Dst: "edit",
Type: "text",
Data: []byte(dir),
}
log.Printf("Sending to plumber: %s\n", m)
return m.Send(w)
}
func serve(idx *index.Index) error {
fid, err := plumb.Open("editclass", plan9.OREAD)
if err != nil {
return err
}
defer fid.Close()
r := bufio.NewReader(fid)
w, err := plumb.Open("send", plan9.OWRITE)
if err != nil {
return err
}
defer w.Close()
for {
m := plumb.Message{}
err := m.Recv(r)
if err != nil {
return err
}
log.Printf("Received from plumber: %s\n", m)
name := string(m.Data)
var get *index.GetResult
for _, c := range candidatesOf(name) {
if get = idx.Get(c); get != nil {
break
}
}
if get == nil {
log.Printf("Found no results for: %s\n", name)
continue
}
if get.Path != "" {
if err := plumbFile(&m, w, name, get.Path); err != nil {
log.Printf("%s: %s\n", get.Path, err)
}
} else if get.Children != nil {
if err := plumbDir(idx, get.Children, w); err != nil {
log.Printf("error opening dir: %s\n", err)
}
} else {
log.Printf("Result was empty: %s\n", name)
}
}
return nil
}
func plumbFile(m *plumb.Message, w io.Writer, name, path string) error {
m.Src = "navigator"
m.Dst = ""
m.Data = []byte(path)
var attr *plumb.Attribute
for attr = m.Attr; attr != nil; attr = attr.Next {
if attr.Name == "addr" {
break
}
}
if attr == nil {
if leafName := leafOf(name); leafName != "" {
addr := fmt.Sprintf("/(trait|class|object|interface)[ ]*%s/", leafName)
m.Attr = &plumb.Attribute{Name: "addr", Value: addr, Next: m.Attr}
}
}
log.Printf("Sending to plumber: %s\n", m)
return m.Send(w)
}