// goNameAnnotation returns ("", nil) if there is no "go.name" annotation.
func goNameAnnotation(e compile.NamedEntity) (string, error) {
name, ok := e.ThriftAnnotations()["go.name"]
if !ok {
return "", nil
}
c, _ := utf8.DecodeRuneInString(name)
capitalized := unicode.IsLetter(c) && unicode.IsUpper(c)
underscore := strings.Contains(name, "_")
if !capitalized || underscore {
var emsg []string
if underscore {
emsg = append(emsg, "contains underscores")
}
if !capitalized {
emsg = append(emsg, "is not capitalized")
}
return "", fmt.Errorf("%q (from go.name annotation) is not a Go style public identifier (%s), suggestion: %q)", name, strings.Join(emsg, ", "), goCase(name))
}
return name, nil
}
