function metatag_tokens in Metatag 7

Same name and namespace in other branches

1. 8 metatag.tokens.inc \metatag_tokens()

Implements hook_tokens().

File

./metatag.tokens.inc, line 100

Custom tokens for Metatag.

Code

function metatag_tokens($type, $tokens, array $data = array(), array $options = array()) {
  $replacements = array();
  $sanitize = !empty($options['sanitize']);

  // Metatag tokens.
  if ($type == 'metatag' && !empty($data['metatag'])) {
    $metatag = $data['metatag'];
    foreach ($tokens as $name => $original) {
      if (isset($metatag[$name])) {
        $replacements[$original] = $sanitize ? filter_xss($metatag[$name]) : $metatag[$name];
      }
    }
  }

  // Token tokens.
  if ($type == 'term' && !empty($data['term'])) {
    $term = $data['term'];
    if ($metatag_tokens = token_find_with_prefix($tokens, 'metatag')) {
      $result = metatag_token_generate_array($term, 'taxonomy_term', $term->vocabulary_machine_name);
      $replacements += token_generate('metatag', $metatag_tokens, array(
        'metatag' => $result,
      ), $options);
    }
  }

  // Node tokens.
  if ($type == 'node' && !empty($data['node'])) {
    $node = $data['node'];
    if ($metatag_tokens = token_find_with_prefix($tokens, 'metatag')) {
      $result = metatag_token_generate_array($node, 'node', $node->type);
      $replacements += token_generate('metatag', $metatag_tokens, array(
        'metatag' => $result,
      ), $options);
    }
  }

  // User tokens.
  if ($type == 'user' && !empty($data['user'])) {
    $account = $data['user'];
    if ($metatag_tokens = token_find_with_prefix($tokens, 'metatag')) {
      $result = metatag_token_generate_array($account, 'user', 'user');
      $replacements += token_generate('metatag', $metatag_tokens, array(
        'metatag' => $result,
      ), $options);
    }
  }

  // Custom pager.
  if ($type == 'current-page') {
    foreach ($tokens as $name => $original) {
      switch ($name) {
        case 'pager':
          $pager = metatag_get_current_pager();
          if (!empty($pager)) {
            $replacements[$original] = $pager;
          }
          break;
      }
    }
  }

  // Summary tokens. It is safe to rely upon an "entity" token type here because
  // it is added by the Token module.
  if ($type == 'entity' && isset($options['entity'], $options['entity_type'])) {
    $trim_length = variable_get('metatag_summary_length', 200);
    foreach ($tokens as $name => $original) {
      if (substr($name, -8) == '-summary') {

        // The field name is the token name minus "-summary".
        $field_name = substr($name, 0, -8);

        // Work out the requested language, if appropriate.
        if (isset($options['language'])) {
          $language_code = $options['language']->language;
        }
        else {
          $language_code = NULL;
        }
        $entity = $options['entity'];
        $entity_type = $options['entity_type'];
        list($entity_id, $revision_id, $bundle) = entity_extract_ids($entity_type, $entity);
        $items = field_get_items($entity_type, $entity, $field_name, $language_code);
        if (!empty($items)) {
          $instance = field_info_instance($entity_type, $field_name, $bundle);
          $field_langcode = field_language($entity_type, $entity, $field_name, $language_code);

          // If the summary was filled in it is not empty, use it.
          if (!empty($items[0]['summary'])) {
            $output = $sanitize ? _text_sanitize($instance, $field_langcode, $items[0], 'summary') : $items[0]['summary'];
          }
          else {
            $output = $sanitize ? _text_sanitize($instance, $field_langcode, $items[0], 'value') : $items[0]['value'];
          }
          if (!empty($output)) {

            // Trim the summary.
            $output = text_summary($output, $instance['settings']['text_processing'] ? $items[0]['format'] : NULL, $trim_length);
            if (!empty($output)) {
              $replacements[$original] = $output;
            }
          }
        }
      }
    }
  }
  return $replacements;
}