Function validateModelToken

pkg/workflow/model_identifier.go:251–262

validateModelToken validates a model token (no wildcards) per the ABNF grammar.

(token string)

// validateModelToken validates a model token (no wildcards) per the ABNF grammar.
func validateModelToken(token string) error {
	if token == "" {
		return errors.New("model identifier: model token must not be empty (segment type: model)")
	}
	if !reModelToken.MatchString(token) {
		if r := firstForbiddenCharInModelToken(token); r != 0 {
			return fmt.Errorf("model identifier: character %q is not allowed in model token %q (segment type: model)", r, token)
		}
		return fmt.Errorf("model identifier: model token %q is syntactically invalid (segment type: model)", token)
	}
	return nil
}

// validateModelGlobToken validates a model-glob-token (may contain "*").
func validateModelGlobToken(token string) error {