public function IpAddressField::validateIpAddressElement in IP address fields 2.0.x

Same name and namespace in other branches

1. 8 src/Plugin/Field/FieldType/IpAddressField.php \Drupal\field_ipaddress\Plugin\Field\FieldType\IpAddressField::validateIpAddressElement()

Custom validator.

Parameters

array $element: The element being validated.

\Drupal\Core\Form\FormStateInterface $form_state: Current form state.

array $form: Current form.

File

src/Plugin/Field/FieldType/IpAddressField.php, line 205

Class

IpAddressField

Plugin implementation of the 'ipaddress' field type.

Namespace

Drupal\field_ipaddress\Plugin\Field\FieldType

Code

public function validateIpAddressElement(array &$element, FormStateInterface $form_state, array $form) {
  $value = $form_state
    ->getValue($element['#parents']);
  if (trim($value) == '') {
    return;
  }

  // Instantiate our IP, will throw \Exception if invalid.
  try {
    $ip_address = new IpAddress($value);
  } catch (\Exception $e) {
    $form_state
      ->setError($element, t('Invalid IP or range.'));
    return;
  }

  // These fields can only accept IP ranges.
  if ($ip_address
    ->start() == $ip_address
    ->end()) {
    $form_state
      ->setError($element, t('Value must be an IP range.'));
  }
  if ($element['#name'] == 'settings[ip4_range]' && $ip_address
    ->family() != IpAddress::IP_FAMILY_4) {
    $form_state
      ->setError($element, t('Value must be an IPv4 range.'));
  }
  if ($element['#name'] == 'settings[ip6_range]' && $ip_address
    ->family() != IpAddress::IP_FAMILY_6) {
    $form_state
      ->setError($element, t('Value must be an IPv6 range.'));
  }
}