setWithProperType() — gin Function Reference

Source Code

binding/form_mapping.go lines 323–388

func setWithProperType(val string, value reflect.Value, field reflect.StructField, opt setOptions) error {
	// this if-check is required for parsing nested types like []MyId, where MyId is [12]byte
	if ok, err := trySetUsingParser(val, value, opt.parser); ok {
		return err
	} else if ok, err = trySetCustom(val, value); ok {
		return err
	}

	// If it is a string type, no spaces are removed, and the user data is not modified here
	if value.Kind() != reflect.String {
		val = strings.TrimSpace(val)
	}

	switch value.Kind() {
	case reflect.Int:
		return setIntField(val, 0, value)
	case reflect.Int8:
		return setIntField(val, 8, value)
	case reflect.Int16:
		return setIntField(val, 16, value)
	case reflect.Int32:
		return setIntField(val, 32, value)
	case reflect.Int64:
		switch value.Interface().(type) {
		case time.Duration:
			return setTimeDuration(val, value)
		}
		return setIntField(val, 64, value)
	case reflect.Uint:
		return setUintField(val, 0, value)
	case reflect.Uint8:
		return setUintField(val, 8, value)
	case reflect.Uint16:
		return setUintField(val, 16, value)
	case reflect.Uint32:
		return setUintField(val, 32, value)
	case reflect.Uint64:
		return setUintField(val, 64, value)
	case reflect.Bool:
		return setBoolField(val, value)
	case reflect.Float32:
		return setFloatField(val, 32, value)
	case reflect.Float64:
		return setFloatField(val, 64, value)
	case reflect.String:
		value.SetString(val)
	case reflect.Struct:
		switch value.Interface().(type) {
		case time.Time:
			return setTimeField(val, field, value)
		case multipart.FileHeader:
			return nil
		}
		return json.API.Unmarshal(bytesconv.StringToBytes(val), value.Addr().Interface())
	case reflect.Map:
		return json.API.Unmarshal(bytesconv.StringToBytes(val), value.Addr().Interface())
	case reflect.Ptr:
		if !value.Elem().IsValid() {
			value.Set(reflect.New(value.Type().Elem()))
		}
		return setWithProperType(val, value.Elem(), field, opt)
	default:
		return errUnknownType
	}
	return nil
}