func formatForLang(t language.Tag, index []byte) *Format {
for ; ; t = t.Parent() {
if x, ok := language.CompactIndex(t); ok {
return &formats[index[x]]
}
}
}
// InfoFromTag returns a Info for the given language tag.
func InfoFromTag(t language.Tag) Info {
for {
if index, ok := language.CompactIndex(t); ok {
return InfoFromLangID(index, t.TypeForKey("nu"))
}
t = t.Parent()
}
}
func (c *Catalog) get(tag language.Tag, key string) (msg string, ok bool) {
c.mutex.Lock()
defer c.mutex.Unlock()
for ; ; tag = tag.Parent() {
if msgs, ok := c.index[tag]; ok {
if statement, ok := msgs[key]; ok {
// TODO: use type switches when we implement selecting.
msg := string(statement.(format.String))
return msg, true
}
}
if tag == language.Und {
break
}
}
return "", false
}