package koushin
import (
"fmt"
"strconv"
"strings"
"net/url"
)
func parseUid(s string) (uint32, error) {
uid, err := strconv.ParseUint(s, 10, 32)
if err != nil {
return 0, fmt.Errorf("invalid UID: %v", err)
}
if uid == 0 {
return 0, fmt.Errorf("UID must be non-zero")
}
return uint32(uid), nil
}
func parseMboxAndUid(mboxString, uidString string) (string, uint32, error) {
mboxName, err := url.PathUnescape(mboxString)
if err != nil {
return "", 0, fmt.Errorf("invalid mailbox name: %v", err)
}
uid, err := parseUid(uidString)
return mboxName, uid, err
}
func parsePartPath(s string) ([]int, error) {
if s == "" {
return nil, nil
}
l := strings.Split(s, ".")
path := make([]int, len(l))
for i, s := range l {
var err error
path[i], err = strconv.Atoi(s)
if err != nil {
return nil, err
}
if path[i] <= 0 {
return nil, fmt.Errorf("part num must be strictly positive")
}
}
return path, nil
}
