function rdf_preprocess_taxonomy_term

Implements hook_preprocess_HOOK() for taxonomy term templates.

File

core/modules/rdf/rdf.module, line 563

Code

function rdf_preprocess_taxonomy_term(&$variables) {
    // Adds RDFa markup to the taxonomy term container.
    // The @about attribute specifies the URI of the resource described within
    // the HTML element, while the @typeof attribute indicates its RDF type
    // (e.g., schema:Thing, skos:Concept, and so on).
    $term = $variables['term'];
    $mapping = rdf_get_mapping('taxonomy_term', $term->bundle());
    $bundle_mapping = $mapping->getPreparedBundleMapping();
    $variables['attributes']['about'] = $variables['url'];
    $variables['attributes']['typeof'] = empty($bundle_mapping['types']) ? NULL : $bundle_mapping['types'];
    // Add RDFa markup for the taxonomy term name as metadata, if present.
    $name_field_mapping = $mapping->getPreparedFieldMapping('name');
    if (!empty($name_field_mapping) && !empty($name_field_mapping['properties'])) {
        $name_attributes = [
            'property' => $name_field_mapping['properties'],
            'content' => $term->getName(),
        ];
        $variables['title_suffix']['taxonomy_term_rdfa'] = [
            '#theme' => 'rdf_metadata',
            '#metadata' => [
                $name_attributes,
            ],
        ];
    }
}