func parseValidatorTags()

in validator.go [79:107]

• 24 lines of code
• 6 McCabe index (conditional complexity)

func parseValidatorTags(tag string) ([]validatorTag, error) {
	if tag == "" {
		return nil, nil
	}

	lst := strings.Split(tag, ",")
	if len(lst) == 0 {
		return nil, nil
	}

	tags := make([]validatorTag, 0, len(lst))
	for _, cfg := range lst {
		v := strings.SplitN(cfg, "=", 2)
		name := strings.Trim(v[0], " \t\r\n")
		cb := validators[name]
		if cb == nil {
			return nil, fmt.Errorf("unknown validator '%v'", name)
		}

		param := ""
		if len(v) == 2 {
			param = strings.Trim(v[1], " \t\r\n")
		}

		tags = append(tags, validatorTag{name: name, cb: cb, param: param})
	}

	return tags, nil
}