function rdf_preprocess_user

Implements hook_preprocess_HOOK() for user.tpl.php.

File

drupal/core/modules/rdf/rdf.module, line 608

Enables semantically enriched output for Drupal sites in the form of RDFa.

Code

function rdf_preprocess_user(&$variables) {
  $account = $variables['elements']['#user'];
  $uri = $account
    ->uri();

  // Adds RDFa markup to the user profile page. Fields displayed in this page
  // will automatically describe the user.
  if (!empty($account->rdf_mapping['rdftype'])) {
    $variables['attributes']['typeof'] = $account->rdf_mapping['rdftype'];
    $variables['attributes']['about'] = url($uri['path'], $uri['options']);
  }

  // If we are on the user account page, add the relationship between the
  // sioc:UserAccount and the foaf:Person who holds the account.
  if (current_path() == $uri['path']) {
    $account_holder_meta = array(
      '#tag' => 'meta',
      '#attributes' => array(
        'about' => url($uri['path'], array_merge($uri['options'], array(
          'fragment' => 'me',
        ))),
        'typeof' => array(
          'foaf:Person',
        ),
        'rel' => array(
          'foaf:account',
        ),
        'resource' => url($uri['path'], $uri['options']),
      ),
    );

    // Adds the markup for username as language neutral literal, see
    // rdf_preprocess_username().
    $username_meta = array(
      '#tag' => 'meta',
      '#attributes' => array(
        'about' => url($uri['path'], $uri['options']),
        'property' => $account->rdf_mapping['name']['predicates'],
        'content' => $account->name,
        'lang' => '',
      ),
    );
    drupal_add_html_head($account_holder_meta, 'rdf_user_account_holder');
    drupal_add_html_head($username_meta, 'rdf_user_username');
  }
}