rdf_preprocess_comment
function rdf_preprocess_comment
rdf_preprocess_comment(&$variables)
Implements MODULE_preprocess_HOOK().
File
- modules/rdf/rdf.module, line 665
- Enables semantically enriched output for Drupal sites in the form of RDFa.
Code
function rdf_preprocess_comment(&$variables) { $comment = $variables['comment']; if (!empty($comment->rdf_mapping['rdftype'])) { // Adds RDFa markup to the comment 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., sioc:Post, foaf:Document, // and so on.) $uri = entity_uri('comment', $comment); $variables['attributes_array']['about'] = url($uri['path'], $uri['options']); $variables['attributes_array']['typeof'] = $comment->rdf_mapping['rdftype']; } // Adds RDFa markup for the date of the comment. if (!empty($comment->rdf_mapping['created'])) { // The comment date is precomputed as part of the rdf_data so that it can be // cached as part of the entity. $date_attributes_array = $comment->rdf_data['date']; $variables['rdf_template_variable_attributes_array']['created'] = $date_attributes_array; $variables['rdf_template_variable_attributes_array']['submitted'] = $date_attributes_array; } // Adds RDFa markup for the relation between the comment and its author. if (!empty($comment->rdf_mapping['uid'])) { $variables['rdf_template_variable_attributes_array']['author']['rel'] = $comment->rdf_mapping['uid']['predicates']; $variables['rdf_template_variable_attributes_array']['submitted']['rel'] = $comment->rdf_mapping['uid']['predicates']; } if (!empty($comment->rdf_mapping['title'])) { // Adds RDFa markup to the subject of the comment. Because the RDFa markup // is added to an <h3> tag which might contain HTML code, we specify an // empty datatype to ensure the value of the title read by the RDFa parsers // is a literal. $variables['title_attributes_array']['property'] = $comment->rdf_mapping['title']['predicates']; $variables['title_attributes_array']['datatype'] = ''; } // Annotates the parent relationship between the current comment and the node // it belongs to. If available, the parent comment is also annotated. if (!empty($comment->rdf_mapping['pid'])) { // Adds the relation to the parent node. $parent_node_attributes['rel'] = $comment->rdf_mapping['pid']['predicates']; // The parent node URI is precomputed as part of the rdf_data so that it can // be cached as part of the entity. $parent_node_attributes['resource'] = $comment->rdf_data['nid_uri']; $variables['rdf_metadata_attributes_array'][] = $parent_node_attributes; // Adds the relation to parent comment, if it exists. if ($comment->pid != 0) { $parent_comment_attributes['rel'] = $comment->rdf_mapping['pid']['predicates']; // The parent comment URI is precomputed as part of the rdf_data so that // it can be cached as part of the entity. $parent_comment_attributes['resource'] = $comment->rdf_data['pid_uri']; $variables['rdf_metadata_attributes_array'][] = $parent_comment_attributes; } } }
© 2001–2016 by the original authors
Licensed under the GNU General Public License, version 2 and later.
Drupal is a registered trademark of Dries Buytaert.
https://api.drupal.org/api/drupal/modules!rdf!rdf.module/function/rdf_preprocess_comment/7.x