=== modified file 'modules/comment/comment.module'
--- modules/comment/comment.module 2009-10-17 05:50:27 +0000
+++ modules/comment/comment.module 2009-10-18 21:30:46 +0000
@@ -2494,3 +2494,35 @@ function comment_filter_format_delete($f
->condition('format', $format->format)
->execute();
}
+
+function comment_rdf_mapping() {
+ return array(
+ array(
+ 'type' => 'comment',
+ 'bundle' => RDF_DEFAULT_BUNDLE,
+ 'mapping' => array(
+ 'rdftype' => array('sioct:Post'),
+ 'title' => array(
+ 'property' => array('dc:title'),
+ ),
+ 'created' => array(
+ 'property' => array('dc:date', 'dc:created'),
+ 'datatype' => 'xsd:dateTime',
+ 'callback' => 'date_iso8601',
+ ),
+ 'body' => array(
+ 'property' => array('content:encoded'),
+ ),
+ 'pid' => array(
+ 'property' => array('sioc:reply_of'),
+ ),
+ 'uid' => array(
+ 'property' => array('sioc:has_creator'),
+ ),
+ 'name' => array(
+ 'property' => array('foaf:name'),
+ ),
+ ),
+ ),
+ );
+}
=== modified file 'modules/comment/comment.test'
--- modules/comment/comment.test 2009-10-16 23:48:37 +0000
+++ modules/comment/comment.test 2009-10-18 23:57:41 +0000
@@ -864,3 +864,52 @@ class CommentRSSUnitTest extends Comment
$this->assertNoRaw($raw, t('Hidden comments is not a part of RSS feed.'));
}
}
+
+class RdfaCommentTestCase extends CommentHelperCase {
+
+ public static function getInfo() {
+ return array(
+ 'name' => t('RDFa comment markup'),
+ 'description' => t('Test RDFa markup in comments.'),
+ 'group' => t('RDF'),
+ );
+ }
+
+ function setUp() {
+ parent::setUp('comment', 'rdf');
+
+ $this->admin_user = $this->drupalCreateUser(array('administer content types', 'administer comments', 'administer permissions', 'administer blocks'));
+ $this->web_user = $this->drupalCreateUser(array('access comments', 'post comments', 'create article content'));
+
+ $this->drupalLogin($this->web_user);
+ $this->node = $this->drupalCreateNode(array('type' => 'article', 'promote' => 1));
+ $this->drupalLogout();
+ }
+
+ function testAttributesInMarkup() {
+ // Set comments to not have subject.
+ $this->drupalLogin($this->admin_user);
+ $this->setCommentPreview(FALSE);
+ $this->setCommentForm(TRUE);
+ $this->setCommentSubject(TRUE);
+ $this->setCommentSettings('comment_default_mode', COMMENT_MODE_THREADED, t('Comment paging changed.'));
+ $this->drupalLogout();
+
+ // Post comment without subject.
+ $this->drupalLogin($this->web_user);
+ $subject_text = 'foo';
+ $comment_text = 'bar';
+ $comment = $this->postComment($this->node, $comment_text, $subject_text, FALSE);
+ $this->drupalGet('node/' . $this->node->nid);
+
+ $comment_container = $this->xpath("//div[contains(@class, 'comment') and @typeof='sioct:Post']");
+ $this->assertFalse(empty($comment_container));
+ $comment_title = $this->xpath("//h3[@property='dc:title']");
+ $this->assertEqual((string)$comment_title[0]->a, 'foo');
+ $comment_date = $this->xpath("//div[@typeof='sioct:Post']//*[contains(@property, 'dc:date') and contains(@property, 'dc:created')]");
+ $this->assertFalse(empty($comment_date));
+ $comment_author = $this->xpath("//div[@typeof='sioct:Post']//*[contains(@property, 'foaf:name')]");
+ $this->assertEqual((string)$comment_author[0], $this->web_user->name);
+ }
+
+}
=== modified file 'modules/node/node.module'
--- modules/node/node.module 2009-10-17 05:50:27 +0000
+++ modules/node/node.module 2009-10-19 01:34:17 +0000
@@ -754,6 +754,47 @@ function node_type_set_defaults($info =
}
/**
+ * Define the default RDF mapping for the node entity type.
+ *
+ * These default mapping properties are used by rdf_save_mapping() to populate
+ * non-existing properties before they are saved to the database.
+ *
+ * @return
+ * A list of default mapping properties for the node entity type.
+ */
+function node_rdf_mapping() {
+ return array(
+ array(
+ 'type' => 'node',
+ 'bundle' => RDF_DEFAULT_BUNDLE,
+ 'mapping' => array(
+ 'rdftype' => array('sioc:Item', 'foaf:Document'),
+ 'title' => array(
+ 'property' => array('dc:title'),
+ ),
+ 'created' => array(
+ 'property' => array('dc:date', 'dc:created'),
+ 'datatype' => 'xsd:dateTime',
+ 'callback' => 'date_iso8601',
+ ),
+ 'changed' => array(
+ 'property' => array('dc:modified'),
+ ),
+ 'body' => array(
+ 'property' => array('content:encoded'),
+ ),
+ 'uid' => array(
+ 'property' => array('sioc:has_creator'),
+ ),
+ 'name' => array(
+ 'property' => array('foaf:name'),
+ ),
+ ),
+ ),
+ );
+}
+
+/**
* Determine whether a node hook exists.
*
* @param $node
=== modified file 'modules/node/node.tpl.php'
--- modules/node/node.tpl.php 2009-10-19 01:30:06 +0000
+++ modules/node/node.tpl.php 2009-10-19 03:00:50 +0000
@@ -13,7 +13,7 @@
* given element.
* - $user_picture: The node author's picture from user-picture.tpl.php.
* - $date: Formatted creation date (use $created to reformat with
- * format_date()).
+ * format_date()). This data is excepted to be sanitized beforehand.
* - $name: Themed username of node author output from theme_username().
* - $node_url: Direct url of the current node.
* - $terms: the themed list of taxonomy term links output from theme_links().
@@ -88,8 +88,8 @@
$name, '@datetime' => $date));
+ print t('Submitted by !username on !datetime',
+ array('!username' => $name, '!datetime' => $date));
?>
=== added directory 'modules/rdf'
=== added file 'modules/rdf/rdf.api.php'
--- modules/rdf/rdf.api.php 1970-01-01 00:00:00 +0000
+++ modules/rdf/rdf.api.php 2009-10-17 01:50:01 +0000
@@ -0,0 +1,44 @@
+ 'node',
+ 'bundle' => 'blog',
+ 'mapping' => array(
+ 'rdftype' => array('sioct:Weblog'),
+ )
+ ),
+ );
+}
+
+/**
+ * @} End of "addtogroup hooks".
+ */
=== added file 'modules/rdf/rdf.info'
--- modules/rdf/rdf.info 1970-01-01 00:00:00 +0000
+++ modules/rdf/rdf.info 2009-10-17 20:46:53 +0000
@@ -0,0 +1,9 @@
+; $Id$
+name = RDF
+description = Allows to map the site data structure to RDF and export it in RDFa.
+package = Core
+version = VERSION
+core = 7.x
+files[] = rdf.install
+files[] = rdf.module
+files[] = rdf.test
=== added file 'modules/rdf/rdf.install'
--- modules/rdf/rdf.install 1970-01-01 00:00:00 +0000
+++ modules/rdf/rdf.install 2009-10-17 01:07:07 +0000
@@ -0,0 +1,50 @@
+ 'Stores custom RDF mappings for user defined content types or overriden module-defined mappings',
+ 'fields' => array(
+ 'type' => array(
+ 'type' => 'varchar',
+ 'length' => 128,
+ 'not null' => TRUE,
+ 'description' => 'The name of the entity type a mapping applies to (node, user, comment, etc.).',
+ ),
+ 'bundle' => array(
+ 'type' => 'varchar',
+ 'length' => 128,
+ 'not null' => TRUE,
+ 'description' => 'The name of the bundle a mapping applies to.',
+ ),
+ 'mapping' => array(
+ 'description' => 'The serialized mapping of the bundle type and fields to RDF terms.',
+ 'type' => 'text',
+ 'not null' => FALSE,
+ 'size' => 'big',
+ 'serialize' => TRUE,
+ ),
+ ),
+ 'primary key' => array('type', 'bundle'),
+ );
+
+ return $schema;
+}
+
+/**
+ * Implements hook_install().
+ */
+function rdf_install() {
+ // The installer does not trigger hook_modules_installed() so it needs to
+ // triggered programmatically on the modules which defined RDF mappings.
+ $modules = module_implements('rdf_mapping');
+ rdf_modules_installed($modules);
+}
=== added file 'modules/rdf/rdf.module'
--- modules/rdf/rdf.module 1970-01-01 00:00:00 +0000
+++ modules/rdf/rdf.module 2009-10-19 02:36:35 +0000
@@ -0,0 +1,557 @@
+ 'node',
+ * 'bundle' => RDF_DEFAULT_BUNDLE,
+ * 'mapping' => array(
+ * 'rdftype' => array('sioc:Item', 'foaf:Document'),
+ * 'title' => array(
+ * 'property' => array('dc:title'),
+ * ),
+ * 'created' => array(
+ * 'property' => array('dc:date', 'dc:created'),
+ * 'datatype' => 'xsd:dateTime',
+ * 'callback' => 'date_iso8601',
+ * ),
+ * 'body' => array(
+ * 'property' => array('content:encoded'),
+ * ),
+ * 'uid' => array(
+ * 'property' => array('sioc:has_creator'),
+ * ),
+ * 'name' => array(
+ * 'property' => array('foaf:name'),
+ * ),
+ * ),
+ * );
+ */
+
+/**
+ * Defines the empty string as the name of the bundle to store default
+ * RDF mappings of a type's properties (fields, et. al.).
+ */
+define('RDF_DEFAULT_BUNDLE', '');
+
+/**
+ * Implements hook_theme().
+ */
+function rdf_theme() {
+ return array(
+ 'rdf_template_variable_wrapper' => array(
+ 'arguments' => array('content' => NULL, 'attributes' => array(), 'context' => array(), 'inline' => TRUE),
+ ),
+ 'rdf_metadata' => array(
+ 'arguments' => array('metadata' => array()),
+ ),
+ );
+}
+
+ /**
+ * Wraps a template variable in an HTML element with the desired attributes.
+ *
+ * @ingroup themeable
+ */
+function theme_rdf_template_variable_wrapper($variables) {
+ $output = $variables['content'];
+ if (!empty($output) && !empty($variables['attributes'])) {
+ $attributes = drupal_attributes($variables['attributes']);
+ $output = $variables['inline'] ? "$output" : "
$output
";
+ }
+ return $output;
+}
+
+ /**
+ * Outputs a series of empty spans for exporting RDF metadata in RDFa.
+ *
+ * Sometimes it is useful to export data which is not semantically present in
+ * the HTML output. For example, a hierarchy of comments is visible for a human
+ * but not for machines because this hiearchy is not present in the DOM tree.
+ * We can express it in RDFa via empty span tags. These won't be visible and
+ * will give machines extra information about the content and its structure.
+ *
+ * @ingroup themeable
+ */
+function theme_rdf_metadata($variables) {
+ $output = '';
+ foreach ($variables['metadata'] as $attributes) {
+ $output .= '';
+ }
+ return $output;
+}
+
+ /**
+ * Process function for wrapping some content with an extra tag.
+ */
+function rdf_process(&$variables, $hook) {
+ if (!empty($variables['rdf_variable_attributes_array'])) {
+ foreach ($variables['rdf_variable_attributes_array'] as $variable_name => $attributes) {
+ $context = array('hook' => $hook, 'variable_name' => $variable_name, 'variables' => $variables);
+ $variables[$variable_name] = theme('rdf_template_variable_wrapper', array('content' => $variables[$variable_name], 'attributes' => $attributes, 'context' => $context));
+ }
+ }
+
+ if (!empty($variables['metadata_attributes_array'])) {
+ if (!isset($variables['content']['#prefix'])) {
+ $variables['content']['#prefix'] = '';
+ }
+ $variables['content']['#prefix'] = theme('rdf_metadata', array('metadata' => $variables['metadata_attributes_array'])) . $variables['content']['#prefix'];
+ }
+
+
+}
+
+/**
+ * Returns the mapping for the attributes of the given type, bundle pair.
+ *
+ * @param $type
+ * An entity type.
+ * @param $bundle
+ * A bundle name.
+ * @return array
+ * The mapping corresponding to the requested type, bundle pair or an empty
+ * array.
+ */
+function rdf_get_mapping($type, $bundle = RDF_DEFAULT_BUNDLE) {
+ // Retrieve the mapping from the entity info.
+ $entity_info = entity_get_info($type);
+ if (!empty($entity_info['bundles'][$bundle]['rdf_mapping'])) {
+ return $entity_info['bundles'][$bundle]['rdf_mapping'];
+ }
+ else {
+ return _rdf_get_default_mapping($type);
+ }
+}
+
+/**
+ * Saves an RDF mapping to the database.
+ *
+ * Takes a mapping structure returned by hook_rdf_mapping() implementations
+ * and creates or updates a record mapping for each encountered
+ * type, bundle pair. If available, adds default values for non-existent
+ * mapping keys.
+ *
+ * @param $mapping
+ * The RDF mapping to save, as an array.
+ * @return
+ * Status flag indicating the outcome of the operation.
+ */
+function rdf_save_mapping($mapping) {
+ // Adds default values for non-existent keys.
+ $new_mapping = $mapping['mapping'] + _rdf_get_default_mapping($mapping['type']);
+ $exists = (bool)rdf_read_mapping($mapping['type'], $mapping['bundle']);
+
+ if ($exists) {
+ rdf_update_mapping($mapping['type'], $mapping['bundle'], $new_mapping);
+ return SAVED_UPDATED;
+ }
+ else {
+ rdf_create_mapping($mapping['type'], $mapping['bundle'], $new_mapping);
+ return SAVED_NEW;
+ }
+
+ cache_clear_all('entity_info', 'cache');
+ drupal_static_reset('entity_get_info');
+}
+
+/**
+ * Implements hook_modules_installed().
+ *
+ * Checks if the installed modules have any RDF mapping definitions to declare
+ * and stores them in the rdf_mapping table.
+ *
+ * While both default entity mappings and specific bundle mappings can be
+ * defined in hook_rdf_mapping(), we do not want to save the default entity
+ * mappings in the database because users are not expected to alter these.
+ * Instead they should alter specific bundle mappings which are stored in the
+ * database so that they can be altered via the RDF CRUD mapping API.
+ */
+function rdf_modules_installed($modules) {
+ // We need to clear the caches of entity_info as this is not done right
+ // during the tests. see http://drupal.org/node/594234
+ cache_clear_all('entity_info', 'cache');
+ drupal_static_reset('entity_get_info');
+
+ foreach ($modules as $module) {
+ if (function_exists($module . '_rdf_mapping')) {
+ $mapping_array = call_user_func($module . '_rdf_mapping');
+ foreach ($mapping_array as $mapping) {
+ // Only the bundle mappings are saved in the database.
+ if ($mapping['bundle'] != RDF_DEFAULT_BUNDLE) {
+ rdf_save_mapping($mapping);
+ }
+ }
+ }
+ }
+}
+
+/**
+ * Implements hook_modules_uninstalled().
+ */
+function rdf_modules_uninstalled($modules) {
+// @todo remove the RDF mappings.
+}
+
+/**
+ * Implements hook_entity_info_alter().
+ *
+ * Adds the proper RDF mapping to each entity type, bundle pair.
+ */
+function rdf_entity_info_alter(&$entity_info) {
+ // Loop through each entity type and its bundles.
+ foreach ($entity_info as $entity_type => $entity_type_info) {
+ if (isset($entity_type_info['bundles'])) {
+ foreach ($entity_type_info['bundles'] as $bundle => $bundle_info) {
+ if ($mapping = rdf_read_mapping($entity_type, $bundle)) {
+ $entity_info[$entity_type]['bundles'][$bundle]['rdf_mapping'] = $mapping;
+ }
+ else {
+ // If no mapping was found in the database, assign the default RDF
+ // mapping for this entity type.
+ $entity_info[$entity_type]['bundles'][$bundle]['rdf_mapping'] = _rdf_get_default_mapping($entity_type);
+ }
+ }
+ }
+ }
+}
+
+/**
+ * Returns ready to render RDFa attributes for the given mapping.
+ *
+ * @param $mapping
+ * An array containing a mandatory property key and optional datatype and
+ * callback keys.
+ * Example:
+ * array(
+ * 'property' => array('dc:created'),
+ * 'datatype' => 'xsd:dateTime',
+ * 'callback' => 'date_iso8601',
+ * )
+ * @param $data
+ * A value that needs to be converted by the provided callback function.
+ * @return array
+ * An array containing RDFa attributes ready for rendering.
+ */
+function drupal_rdfa_attributes($mapping, $data = NULL) {
+ $attributes['property'] = $mapping['property'];
+
+ if (isset($mapping['callback']) && isset($data)) {
+ $callback = $mapping['callback'];
+
+ if (function_exists($callback)) {
+ $attributes['content'] = call_user_func($callback, $data);
+ }
+ if (isset($mapping['datatype'])) {
+ $attributes['datatype'] = $mapping['datatype'];
+ }
+ }
+
+ return $attributes;
+}
+
+
+/**
+ * Implements hook_entity_load().
+ */
+function rdf_entity_load($entities, $type) {
+ foreach ($entities as $entity) {
+ // Extracts the bundle of the entity being loaded.
+ list($id, $vid, $bundle) = field_extract_ids($type, $entity);
+ $entity->rdf_mapping = rdf_get_mapping($type, $bundle);
+ }
+}
+
+/**
+ * Implements MODULE_preprocess_HOOK().
+ */
+function rdf_preprocess_node(&$variables) {
+ // Add RDFa markup to the node container. The about attribute specifies the
+ // URI of the resource described within the HTML element, while the typeof
+ // attribute indicates its RDF type (foaf:Document, or sioc:User, etc.).
+ $variables['attributes_array']['about'] = empty($variables['node_url']) ? NULL: $variables['node_url'];
+ $variables['attributes_array']['typeof'] = empty($variables['node']->rdf_mapping['rdftype']) ? NULL : $variables['node']->rdf_mapping['rdftype'];
+
+ // Add RDFa markup to the title of the node. Because the RDFa markup is added
+ // to the h2 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.
+ $variables['title_attributes_array']['property'] = empty($variables['node']->rdf_mapping['title']['property']) ? NULL : $variables['node']->rdf_mapping['title']['property'];
+ $variables['title_attributes_array']['datatype'] = '';
+
+ // In full node mode, the title is not displayed by node.tpl.php so it is
+ // added in the head tag of the HTML page.
+ if ($variables['page']) {
+ $title_attributes['property'] = empty($variables['node']->rdf_mapping['title']['property']) ? NULL : $variables['node']->rdf_mapping['title']['property'];
+ $title_attributes['content'] = $variables['node_title'];
+ $title_attributes['about'] = $variables['node_url'];
+ drupal_add_html_head('');
+ }
+
+ // Add RDFa markup for the date.
+ if (!empty($variables['rdf_mapping']['created'])) {
+ $date_attributes_array = drupal_rdfa_attributes($variables['rdf_mapping']['created'], $variables['created']);
+ $variables['rdf_variable_attributes_array']['date'] = $date_attributes_array;
+ }
+}
+
+/**
+ * Implements MODULE_preprocess_HOOK().
+ */
+function rdf_preprocess_field(&$variables) {
+ $entity_type = $variables['element']['#object_type'];
+ $instance = $variables['instance'];
+ $mapping = rdf_get_mapping($entity_type, $instance['bundle']);
+ $field_name = $instance['field_name'];
+
+ if (!empty($mapping) && !empty($mapping[$field_name])) {
+ foreach ($variables['items'] as $delta => $item) {
+ if (!empty($item['#item'])) {
+ $variables['item_attributes_array'][$delta] = drupal_rdfa_attributes($mapping[$field_name], $item['#item']);
+ }
+ }
+ }
+}
+
+/**
+ * Implements MODULE_preprocess_HOOK().
+ */
+function rdf_preprocess_username(&$variables) {
+ $account = $variables['account'];
+ if (!empty($account->rdf_mapping['name'])) {
+ if ($account->uid != 0) {
+ // The following RDFa construct allows to fit all the needed information
+ // into the a tag and avoids having to wrap it with an extra span.
+
+ // An RDF resource for the user is created with the 'about' attribute and
+ // the profile URI is used to identify this resource. Even if the user
+ // profile is not accessible, we generate its URI regardless in order to
+ // be able to identify the user in RDF.
+ $variables['attributes_array']['about'] = url('user/' . $account->uid);
+ // The 'typeof' attribute specifies the RDF type(s) of this resource. They
+ // are defined in the 'rdftype' property of the user object RDF mapping.
+ // Since the full user object is not available in $variables, it needs to
+ // be loaded. This is due to the collision between the node and user
+ // when they are merged into $account and some properties are overridden.
+ $variables['attributes_array']['typeof'] = user_load($account->uid)->rdf_mapping['rdftype'];
+
+ // This first thing we are describing is the relation between the user and
+ // the parent resource (e.g. a node). Because the set of predicate link
+ // the parent to the user, we must use the 'rev' RDFa attribute to specify
+ // that the relationship is reverse.
+ if (!empty($account->rdf_mapping['uid']['property'])) {
+ $variables['attributes_array']['rev'] = $account->rdf_mapping['uid']['property'];
+ // We indicate the parent identifier in the 'resource' attribute,
+ // typically this is the entity URI. This is the object in RDF.
+ $parent_uri = '';
+ if (!empty($account->path['source'])) {
+ $parent_uri = url($account->path['source']);
+ }
+ elseif (!empty($account->cid)) {
+ $parent_uri = url('comment/' . $account->cid, array('fragment' => 'comment-' . $account->cid));
+ }
+ $variables['attributes_array']['resource'] = $parent_uri;
+ }
+
+ // The second information we annotate is the name of the user with the
+ // 'property' attribute. We do not need to specify the RDF object here
+ // because it's the value inside the a tag which will be used
+ // automatically according to the RDFa parsing rules.
+ $variables['attributes_array']['property'] = $account->rdf_mapping['name']['property'];
+ }
+ }
+}
+
+/**
+ * Implements MODULE_preprocess_HOOK().
+ */
+function rdf_preprocess_comment(&$variables) {
+ $comment = $variables['comment'];
+ if (!empty($comment->rdf_mapping['rdftype'])) {
+ // Add 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, etc.).
+ $variables['attributes_array']['about'] = url('comment/' . $comment->cid, array('fragment' => 'comment-' . $comment->cid));
+ $variables['attributes_array']['typeof'] = $comment->rdf_mapping['rdftype'];
+ }
+
+ // RDFa markup for the date of the comment.
+ if (!empty($comment->rdf_mapping['created'])) {
+ $date_attributes_array = drupal_rdfa_attributes($comment->rdf_mapping['created'], $comment->created);
+ $variables['rdf_variable_attributes_array']['created'] = $date_attributes_array;
+ }
+ if (!empty($comment->rdf_mapping['title'])) {
+ // Add 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']['property'];
+ $variables['title_attributes_array']['datatype'] = '';
+ }
+ if (!empty($comment->rdf_mapping['body'])) {
+ // We need a special case here since the comment body is not a field. Note
+ // that for that reason, fields attached to comment will be ignored by RDFa
+ // parsers since we set the property attribute here.
+ // @todo use fields instead, see http://drupal.org/node/538164
+ $variables['content_attributes_array']['property'] = $comment->rdf_mapping['body']['property'];
+ }
+
+ // Annotates the parent relationship between the current comment and the node
+ // it belongs to. If available, the parent comment is also annotated.
+ if (!empty($comment->rdf_mapping['pid'])) {
+ // Relation to parent node.
+ $parent_node_attributes['rel'] = $comment->rdf_mapping['pid']['property'];
+ $parent_node_attributes['resource'] = url('node/' . $comment->nid);
+ $variables['metadata_attributes_array'][] = $parent_node_attributes;
+
+ // Relation to parent comment if it exists.
+ if ($comment->pid != 0) {
+ $parent_comment_attributes['rel'] = $comment->rdf_mapping['pid']['property'];
+ $parent_comment_attributes['resource'] = url('comment/' . $comment->pid, array('fragment' => 'comment-' . $comment->pid));
+ $variables['metadata_attributes_array'][] = $parent_comment_attributes;
+ }
+ }
+}
+
+function rdf_preprocess_field_formatter_taxonomy_term_link(&$variables) {
+ $term = $variables['element']['#item']['taxonomy_term'];
+ if (!empty($term->rdf_mapping['rdftype'])) {
+ $variables['link_options']['attributes']['typeof'] = $term->rdf_mapping['rdftype'];
+ }
+ if (!empty($term->rdf_mapping['name']['property'])) {
+ $variables['link_options']['attributes']['property'] = $term->rdf_mapping['name']['property'];
+ }
+}
+
+/**
+ * Returns the default RDF mapping for the given entity type.
+ *
+ * @param $type
+ * An entity type.
+ * @return array
+ * The RDF mapping or an empty array.
+ */
+function _rdf_get_default_mapping($type) {
+ $default_mappings = &drupal_static(__FUNCTION__, array());
+
+ if (empty($default_mappings)) {
+ // Get all modules implementing hook_rdf_mapping().
+ $modules = module_implements('rdf_mapping');
+
+ // Only consider the default entity mapping definitions.
+ foreach ($modules as $module) {
+ $mappings = module_invoke($module, 'rdf_mapping');
+ foreach ($mappings as $mapping) {
+ if ($mapping['bundle'] == RDF_DEFAULT_BUNDLE) {
+ $default_mappings[$mapping['type']] = $mapping['mapping'];
+ }
+ }
+ }
+ }
+
+ return empty($default_mappings[$type]) ? array() : $default_mappings[$type];
+}
+
+/**
+ * Create an RDF mapping binded to a bundle and an entity type.
+ *
+ * RDF CRUD API, handling RDF mapping creation and deletion.
+ *
+ * @param $type
+ * The entity type the mapping refers to (node, user, comment, term, etc.).
+ * @param $bundle
+ * The bundle the mapping refers to.
+ * @param $mapping
+ * An associative array represeting an RDF mapping structure.
+ * @return array
+ * The stored mapping.
+ */
+function rdf_create_mapping($type, $bundle, $mapping) {
+ $fields = array(
+ 'type' => $type,
+ 'bundle' => $bundle,
+ 'mapping' => serialize($mapping)
+ );
+
+ db_insert('rdf_mapping')->fields($fields)->execute();
+
+ return $mapping;
+}
+
+/**
+ * Read an RDF mapping record directly from the database.
+ *
+ * RDF CRUD API, handling RDF mapping creation and deletion.
+ *
+ * @param $type
+ * The entity type the mapping refers to.
+ * @param $bundle
+ * The bundle the mapping refers to.
+ * @return array
+ * An RDF mapping structure or FALSE if the mapping could not be found.
+ */
+function rdf_read_mapping($type, $bundle) {
+ $query = db_select('rdf_mapping')->fields(NULL, array('mapping'))
+ ->condition('type', $type)->condition('bundle', $bundle)->execute();
+
+ $mapping = unserialize($query->fetchField());
+
+ if (!is_array($mapping)) {
+ $mapping = array();
+ }
+
+ return $mapping;
+}
+
+/**
+ * Update an RDF mapping binded to a bundle and an entity type.
+ *
+ * RDF CRUD API, handling RDF mapping creation and deletion.
+ *
+ * @param $type
+ * The entity type the mapping refers to.
+ * @param $bundle
+ * The bundle the mapping refers to.
+ * @param $mapping
+ * An associative array representing an RDF mapping structure.
+ * @return bool
+ * Return boolean TRUE if mapping updated, FALSE if not.
+ */
+function rdf_update_mapping($type, $bundle, $mapping) {
+ $fields = array('mapping' => serialize($mapping));
+ $num_rows = db_update('rdf_mapping')->fields($fields)
+ ->condition('type', $type)->condition('bundle', $bundle)->execute();
+
+ return (bool) ($num_rows > 0);
+}
+
+/**
+ * Delete the mapping for the given pair of type and bundle from the database.
+ *
+ * RDF CRUD API, handling RDF mapping creation and deletion.
+ *
+ * @param $type
+ * The entity type the mapping refers to.
+ * @param $bundle
+ * The bundle the mapping refers to.
+ * @return bool
+ * Return boolean TRUE if mapping deleted, FALSE if not.
+ */
+function rdf_delete_mapping($type, $bundle) {
+ $num_rows = db_delete('rdf_mapping')->condition('type', $type)
+ ->condition('bundle', $bundle)->execute();
+
+ return (bool) ($num_rows > 0);
+}
=== added file 'modules/rdf/rdf.test'
--- modules/rdf/rdf.test 1970-01-01 00:00:00 +0000
+++ modules/rdf/rdf.test 2009-10-17 22:55:50 +0000
@@ -0,0 +1,193 @@
+ t('RDF mapping hook'),
+ 'description' => t('Test hook_rdf_mapping().'),
+ 'group' => t('RDF'),
+ );
+ }
+
+ function setUp() {
+ parent::setUp('rdf', 'rdf_test', 'field_test');
+ // We need to trigger rdf_modules_installed() because
+ // hook_modules_installed() is not automatically invoked during testing.
+ rdf_modules_installed(array('rdf_test'));
+ }
+
+ /**
+ * Test that hook_rdf_mapping() correctly returns and processes mapping.
+ */
+ function testMapping() {
+ // Test that the mapping is returned correctly by the hook.
+ $mapping = rdf_get_mapping('test_entity', 'test_bundle');
+ $this->assertIdentical($mapping['rdftype'], array('sioc:Post'), t('Mapping for rdftype is sioc:Post.'));
+ $this->assertIdentical($mapping['title'], array('property' => array('dc:title')), t('Mapping for title is dc:title.'));
+ $this->assertIdentical($mapping['created'], array(
+ 'property' => array('dc:created'),
+ 'datatype' => 'xsd:dateTime',
+ 'callback' => 'date_iso8601',
+ ), t('Mapping for created is dc:created with datatype xsd:dateTime and callback date_iso8601.'));
+ $this->assertIdentical($mapping['uid'], array('property' => array('sioc:has_creator', 'dc:creator')), t('Mapping for uid is sioc:has_creator and dc:creator.'));
+
+ $mapping = rdf_get_mapping('test_entity', 'test_bundle_no_mapping');
+ $this->assertEqual($mapping, array(), t('Empty array returned when an entity type, bundle pair has no mapping.'));
+ }
+}
+
+class RdfMarkupTestCase extends DrupalWebTestCase {
+ public static function getInfo() {
+ return array(
+ 'name' => t('RDFa markup'),
+ 'description' => t('Test RDFa markup generation.'),
+ 'group' => t('RDF'),
+ );
+ }
+
+ function setUp() {
+ parent::setUp('rdf', 'field_test', 'rdf_test');
+ rdf_modules_installed(array('field_test', 'rdf_test'));
+ }
+
+ /**
+ * Test drupal_rdfa_attributes().
+ */
+ function testDrupalRdfaAtributes() {
+ $date = 1252750327;
+ $isoDate = date('c', $date);
+
+ $expected_type = 'xsd:dateTime';
+ $expected_property = array('dc:created');
+ $expected_value = $isoDate;
+
+ $mapping = rdf_get_mapping('test_entity', 'test_bundle');
+ $attributes = drupal_rdfa_attributes($mapping['created'], $date);
+
+ $this->assertEqual($expected_type, $attributes['datatype']);
+ $this->assertEqual($expected_property, $attributes['property']);
+ $this->assertEqual($expected_value, $attributes['content']);
+ }
+
+}
+
+class RdfCrudTestCase extends DrupalWebTestCase {
+ public static function getInfo() {
+ return array(
+ 'name' => 'RDF mapping CRUD functions',
+ 'description' => 'Test the RDF mapping CRUD functions.',
+ 'group' => 'RDF',
+ );
+ }
+
+ function setUp() {
+ parent::setUp('rdf', 'rdf_test');
+ }
+
+ function testCreateReadUpdateWrite() {
+ $test_mapping = rdf_test_rdf_mapping();
+
+ $this->assertTrue(is_array(rdf_read_mapping('test_entity', 'test_bundle')));
+ $this->assertEqual(count(rdf_read_mapping('test_entity', 'test_bundle')), 0);
+ $this->assertEqual(
+ rdf_create_mapping('test_entity', 'test_bundle', $test_mapping[0]['mapping']),
+ $test_mapping[0]['mapping']
+ );
+
+ try {
+ rdf_create_mapping('test_entity', 'test_bundle', $test_mapping[0]['mapping']);
+ $this->fail('No Exception thrown when attempting to insert the same mapping another time.');
+ }
+ catch (Exception $e) {
+ $this->pass('Exception thrown when attempting to insert the same mapping another time.');
+ }
+
+ $this->assertEqual($test_mapping[0]['mapping'],
+ rdf_read_mapping('test_entity', 'test_bundle'));
+ $this->assertTrue(rdf_update_mapping('test_entity', 'test_bundle',
+ $test_mapping[1]['mapping']));
+ $this->assertEqual($test_mapping[1]['mapping'],
+ rdf_read_mapping('test_entity', 'test_bundle'));
+ $this->assertTrue(rdf_delete_mapping('test_entity', 'test_bundle'));
+ $this->assertFalse(rdf_read_mapping('test_entity', 'test_bundle'));
+ }
+
+ function testSaveMapping() {
+ $test_mapping = rdf_test_rdf_mapping();
+ rdf_save_mapping($test_mapping[0]);
+
+ $this->assertEqual($test_mapping[0]['mapping'],
+ rdf_read_mapping('test_entity', 'test_bundle'));
+ }
+
+}
+
+class RdfMappingDefinitionTestCase extends DrupalWebTestCase {
+ public static function getInfo() {
+ return array(
+ 'name' => t('RDF mapping definition functionality'),
+ 'description' => t('Test the different types of RDF mappings and ensure the proper RDFa markup in included in node pages.'),
+ 'group' => t('RDF'),
+ );
+ }
+
+ function setUp() {
+ parent::setUp('rdf', 'rdf_test', 'blog');
+ // We need to trigger rdf_modules_installed() because
+ // hook_modules_installed() is not automatically invoked during testing.
+ rdf_modules_installed(array('rdf_test', 'node'));
+ // entity_info caches must be cleared during testing. This is done
+ // automatically during the manual installation.
+ cache_clear_all('entity_info', 'cache');
+ drupal_static_reset('entity_get_info');
+ }
+
+ /**
+ * Create a node of type blog and test whether the RDF mapping defined for
+ * this node type in rdf_test.module is used in the node page.
+ */
+ function testAttributesInMarkup1() {
+ $node = $this->drupalCreateNode(array('type' => 'blog'));
+ $this->drupalGet('node/' . $node->nid);
+
+ $this->assertRaw('typeof="sioct:Weblog"');
+ // Ensure the default bundle mapping for node is used. These attributes come
+ // from the node default bundle definition.
+ $this->assertRaw('property="dc:title"');
+ $this->assertRaw('property="dc:date dc:created"');
+
+ }
+
+ /**
+ * Create a content type and a node of type test_bundle_hook_install and test
+ * whether the RDF mapping defined in rdf_test.install is used.
+ */
+ function testAttributesInMarkup2() {
+ $type = $this->drupalCreateContentType(array('type' => 'test_bundle_hook_install'));
+ $node = $this->drupalCreateNode(array('type' => 'test_bundle_hook_install'));
+ $this->drupalGet('node/' . $node->nid);
+
+ $this->assertRaw('typeof="foo:mapping_install1 bar:mapping_install2"');
+ // Ensure the default bundle mapping for node is used. These attributes come
+ // from the node default bundle definition.
+ $this->assertRaw('property="dc:title"');
+ $this->assertRaw('property="dc:date dc:created"');
+ }
+
+ /**
+ * Create a random content type and node and ensure the default mapping for
+ * node is used.
+ */
+ function testAttributesInMarkup3() {
+ $type = $this->drupalCreateContentType();
+ $node = $this->drupalCreateNode(array('type' => $type->type));
+ $this->drupalGet('node/' . $node->nid);
+
+ $this->assertRaw('typeof="sioc:Item foaf:Document"');
+ // Ensure the default bundle mapping for node is used. These attributes come
+ // from the node default bundle definition.
+ $this->assertRaw('property="dc:title"');
+ $this->assertRaw('property="dc:date dc:created"');
+ }
+}
=== added directory 'modules/rdf/tests'
=== added file 'modules/rdf/tests/rdf_test.info'
--- modules/rdf/tests/rdf_test.info 1970-01-01 00:00:00 +0000
+++ modules/rdf/tests/rdf_test.info 2009-10-08 23:37:04 +0000
@@ -0,0 +1,9 @@
+; $Id$
+name = "RDF module tests"
+description = "Support module for RDF module testing."
+package = Testing
+version = VERSION
+core = 7.x
+files[] = rdf_test.install
+files[] = rdf_test.module
+hidden = TRUE
=== added file 'modules/rdf/tests/rdf_test.install'
--- modules/rdf/tests/rdf_test.install 1970-01-01 00:00:00 +0000
+++ modules/rdf/tests/rdf_test.install 2009-10-14 10:48:10 +0000
@@ -0,0 +1,26 @@
+ 'node',
+ 'bundle' => 'test_bundle_hook_install',
+ 'mapping' => array(
+ 'rdftype' => array('foo:mapping_install1', 'bar:mapping_install2'),
+ ),
+ ),
+ );
+
+ foreach ($rdf_mappings as $rdf_mapping) {
+ rdf_save_mapping($rdf_mapping);
+ }
+}
=== added file 'modules/rdf/tests/rdf_test.module'
--- modules/rdf/tests/rdf_test.module 1970-01-01 00:00:00 +0000
+++ modules/rdf/tests/rdf_test.module 2009-10-14 10:48:14 +0000
@@ -0,0 +1,44 @@
+ array(
+ 'type' => 'test_entity',
+ 'bundle' => 'test_bundle',
+ 'mapping' => array(
+ 'rdftype' => array('sioc:Post'),
+ 'title' => array(
+ 'property' => array('dc:title'),
+ ),
+ 'created' => array(
+ 'property' => array('dc:created'),
+ 'datatype' => 'xsd:dateTime',
+ 'callback' => 'date_iso8601',
+ ),
+ 'uid' => array(
+ 'property' => array('sioc:has_creator', 'dc:creator'),
+ ),
+ 'foobar' => array(
+ 'property' => array('foo:bar'),
+ ),
+ ),
+ ),
+ 1 => array(
+ 'type' => 'node',
+ 'bundle' => 'blog',
+ 'mapping' => array(
+ 'rdftype' => array('sioct:Weblog'),
+ )
+ ),
+ );
+}
=== modified file 'modules/system/html.tpl.php'
--- modules/system/html.tpl.php 2009-09-15 17:10:38 +0000
+++ modules/system/html.tpl.php 2009-10-17 13:24:43 +0000
@@ -35,7 +35,7 @@
*/
?>
->
=== modified file 'modules/system/system.module'
--- modules/system/system.module 2009-10-18 11:34:44 +0000
+++ modules/system/system.module 2009-10-18 14:29:52 +0000
@@ -265,15 +265,18 @@ function system_rdf_namespaces() {
return array(
'admin' => 'http://webns.net/mvcb/',
'content' => 'http://purl.org/rss/1.0/modules/content/',
- 'dc' => 'http://purl.org/dc/elements/1.1/',
- 'dcterms' => 'http://purl.org/dc/terms/',
+ 'dc' => 'http://purl.org/dc/terms/',
'foaf' => 'http://xmlns.com/foaf/0.1/',
'owl' => 'http://www.w3.org/2002/07/owl#',
'rdf' => 'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
'rdfs' => 'http://www.w3.org/2000/01/rdf-schema#',
'rss' => 'http://purl.org/rss/1.0/',
+ 'tags' => 'http://www.holygoat.co.uk/owl/redwood/0.1/tags/',
'sioc' => 'http://rdfs.org/sioc/ns#',
- 'xsd' => 'http://www.w3.org/2001/XMLSchema',
+ 'sioct' => 'http://rdfs.org/sioc/types#',
+ 'ctag' => 'http://commontag.org/ns#',
+ 'skos' => 'http://www.w3.org/2004/02/skos/core#',
+ 'xsd' => 'http://www.w3.org/2001/XMLSchema#',
);
}
=== modified file 'modules/taxonomy/taxonomy.module'
--- modules/taxonomy/taxonomy.module 2009-10-18 04:50:08 +0000
+++ modules/taxonomy/taxonomy.module 2009-10-18 15:35:52 +0000
@@ -1102,7 +1102,8 @@ function taxonomy_field_formatter_info()
*/
function theme_field_formatter_taxonomy_term_link($variables) {
$term = $variables['element']['#item']['taxonomy_term'];
- return l($term->name, taxonomy_term_path($term));
+ $attributes = empty($variables['link_options']) ? array() : $variables['link_options'];
+ return l($term->name, taxonomy_term_path($term), $attributes);
}
/**
@@ -1406,6 +1407,47 @@ function taxonomy_field_settings_form($f
}
/**
+ * Implement hook_rdf_mapping().
+ *
+ * @return array
+ * The rdf mapping for vocabularies and terms.
+ */
+function taxonomy_rdf_mapping() {
+ return array(
+ array(
+ 'type' => 'taxonomy_term',
+ 'bundle' => RDF_DEFAULT_BUNDLE,
+ 'mapping' => array(
+ 'rdftype' => array('skos:Concept'),
+ 'name' => array(
+ 'property' => array('skos:prefLabel'),
+ ),
+ 'description' => array(
+ 'property' => array('skos:definition'),
+ ),
+ // The vocabulary this term belongs to.
+ 'vid' => array(
+ 'property' => array('skos:member'),
+ ),
+ ),
+ ),
+ array(
+ 'type' => 'taxonomy_vocabulary',
+ 'bundle' => RDF_DEFAULT_BUNDLE,
+ 'mapping' => array(
+ 'rdftype' => array('skos:Collection'),
+ 'name' => array(
+ 'property' => array('rdfs:label'),
+ ),
+ 'description' => array(
+ 'property' => array('rdfs:comment'),
+ ),
+ ),
+ ),
+ );
+}
+
+/**
* @defgroup taxonomy indexing Taxonomy functions maintaining {taxonomy_index}.
*
* Taxonomy uses default field storage to store canonical relationships
@@ -1495,4 +1537,3 @@ function taxonomy_taxonomy_term_delete($
/**
* @} End of "defgroup taxonomy indexing"
*/
-
=== modified file 'modules/user/user.module'
--- modules/user/user.module 2009-10-18 11:34:44 +0000
+++ modules/user/user.module 2009-10-18 16:37:16 +0000
@@ -3255,3 +3255,21 @@ function user_cookie_save(array $values,
}
}
}
+
+/**
+ * Implementation of hook_rdf_mapping().
+ */
+function user_rdf_mapping() {
+ return array(
+ 'user' => array(
+ 'type' => 'user',
+ 'bundle' => RDF_DEFAULT_BUNDLE,
+ 'mapping' => array(
+ 'rdftype' => array('sioc:User'),
+ 'name' => array(
+ 'property' => array('foaf:name'),
+ ),
+ ),
+ ),
+ );
+}
=== modified file 'profiles/default/default.info'
--- profiles/default/default.info 2009-10-17 01:15:39 +0000
+++ profiles/default/default.info 2009-10-17 06:32:28 +0000
@@ -18,4 +18,5 @@ dependencies[] = shortcut
dependencies[] = toolbar
dependencies[] = field_ui
dependencies[] = file
+dependencies[] = rdf
files[] = default.profile
=== modified file 'profiles/default/default.install'
--- profiles/default/default.install 2009-10-18 07:50:45 +0000
+++ profiles/default/default.install 2009-10-18 14:29:52 +0000
@@ -166,6 +166,28 @@ function default_install() {
node_type_save($type);
}
+ // Insert default user-defined RDF mapping into the database.
+ $rdf_mappings = array(
+ array(
+ 'type' => 'node',
+ 'bundle' => 'page',
+ 'mapping' => array(
+ 'rdftype' => array('foaf:Document'),
+ ),
+ ),
+ array(
+ 'type' => 'node',
+ 'bundle' => 'article',
+ 'mapping' => array(
+ 'rdftype' => array('sioc:Item', 'foaf:Document'),
+ ),
+ ),
+ );
+
+ foreach ($rdf_mappings as $rdf_mapping) {
+ rdf_save_mapping($rdf_mapping);
+ }
+
// Default page to not be promoted and have comments disabled.
variable_set('node_options_page', array('status'));
variable_set('comment_page', COMMENT_NODE_HIDDEN);