PHP EasyRdf_Graph::toRdfPhp方法代码示例

 /**
  * @author "Lionel Lecaque, <lionel@taotesting.com>"
  * @param string $namespace
  * @param string $data xml content
  */
 public function createModel($namespace, $data)
 {
     $modelId = $this->getModelId($namespace);
     if ($modelId === false) {
         common_Logger::d('modelId not found, need to add namespace ' . $namespace);
         $this->addNewModel($namespace);
         //TODO bad way, need to find better
         $modelId = $this->getModelId($namespace);
     }
     $modelDefinition = new EasyRdf_Graph($namespace);
     if (is_file($data)) {
         $modelDefinition->parseFile($data);
     } else {
         $modelDefinition->parse($data);
     }
     $graph = $modelDefinition->toRdfPhp();
     $resources = $modelDefinition->resources();
     $format = EasyRdf_Format::getFormat('php');
     $data = $modelDefinition->serialise($format);
     foreach ($data as $subjectUri => $propertiesValues) {
         foreach ($propertiesValues as $prop => $values) {
             foreach ($values as $k => $v) {
                 $this->addStatement($modelId, $subjectUri, $prop, $v['value'], isset($v['lang']) ? $v['lang'] : null);
             }
         }
     }
     return true;
 }

 /**
  * Method to serialise an EasyRdf_Graph to RDF/JSON
  *
  * http://n2.talis.com/wiki/RDF_JSON_Specification
  * docs/appendix-a-rdf-formats-json.md
  *
  * @param EasyRdf_Graph $graph   An EasyRdf_Graph object.
  * @param string        $format  The name of the format to convert to.
  * @param array         $options
  * @throws EasyRdf_Exception
  * @return string The RDF in the new desired format.
  */
 public function serialise($graph, $format, array $options = array())
 {
     $nodes = array();
     // cache for id-to-node association
     foreach ($graph->toRdfPhp() as $resource => $properties) {
         echo $resource;
     }
 }

 /**
  * Helper function to test the formatter's RDFa.
  *
  * @param array $formatter
  *   An associative array describing the formatter to test and its settings
  *   containing:
  *   - type: The machine name of the field formatter to test.
  *   - settings: The settings of the field formatter to test.
  * @param string $property
  *   The property that should be found.
  * @param array $expected_rdf_value
  *   An associative array describing the expected value of the property
  *   containing:
  *   - value: The actual value of the string or URI.
  *   - type: The type of RDF value, e.g. 'literal' for a string, or 'uri'.
  *   Defaults to 'literal'.
  *   - datatype: (optional) The datatype of the value (e.g. xsd:dateTime).
  */
 protected function assertFormatterRdfa($formatter, $property, $expected_rdf_value)
 {
     $expected_rdf_value += array('type' => 'literal');
     // The field formatter will be rendered inside the entity. Set the field
     // formatter in the entity display options before rendering the entity.
     entity_get_display('entity_test', 'entity_test', 'default')->setComponent($this->fieldName, $formatter)->save();
     $build = entity_view($this->entity, 'default');
     $output = \Drupal::service('renderer')->renderRoot($build);
     $graph = new \EasyRdf_Graph($this->uri, $output, 'rdfa');
     $this->setRawContent($output);
     // If verbose debugging is turned on, display the HTML and parsed RDF
     // in the results.
     if ($this->debug) {
         print_r($output);
         print_r($graph->toRdfPhp());
     }
     $this->assertTrue($graph->hasProperty($this->uri, $property, $expected_rdf_value), "Formatter {$formatter['type']} exposes data correctly for {$this->fieldType} fields.");
 }

 private function render_rdf($body)
 {
     global $iso_countries;
     require_once 'vendor/autoload.php';
     try {
         $rdf_doc = new EasyRdf_Graph($this->uriCache->uri, $body);
     } catch (Exception $e) {
         return false;
     }
     // the RDF may be rubbish
     if ($rdf_doc->countTriples() == 0) {
         return false;
     }
     // easier to work with it as a php array
     $rdf_array = $rdf_doc->toRdfPhp();
     // we can get RDF that isn't about the specimen!
     if (!array_key_exists($this->uriCache->uri, $rdf_array)) {
         return false;
     }
     $rdf_array = $rdf_array[$this->uriCache->uri];
     // image - comes first to make floating easy
     if (isset($rdf_array['http://rs.tdwg.org/dwc/terms/associatedMedia'][0]['value'])) {
         $image_uri = $rdf_array['http://rs.tdwg.org/dwc/terms/associatedMedia'][0]['value'];
         echo "<a href=\"{$image_uri}\"><img class=\"cetaf-image\" src=\"{$image_uri}\" /></a>";
     }
     // title
     if (isset($rdf_array['http://purl.org/dc/terms/title'][0]['value'])) {
         echo '<p class="cetaf-title"><a href="' . $this->uriCache->uri . '">' . $rdf_array['http://purl.org/dc/terms/title'][0]['value'] . '</a></p>';
     }
     echo '<div class="cetaf-taxonomy">';
     // scientificName
     if (isset($rdf_array['http://rs.tdwg.org/dwc/terms/scientificName'][0]['value'])) {
         echo '<p class="cetaf-scientificName">' . $rdf_array['http://rs.tdwg.org/dwc/terms/scientificName'][0]['value'] . '</p>';
     }
     // family
     if (isset($rdf_array['http://rs.tdwg.org/dwc/terms/family'][0]['value'])) {
         $family = $rdf_array['http://rs.tdwg.org/dwc/terms/family'][0]['value'];
         $family = ucfirst(strtolower($family));
         echo '<p class="cetaf-family"><a href="https://en.wikipedia.org/wiki/' . $family . '" >' . $family . '</a></p>';
     }
     echo '</div>';
     echo '<div class="cetaf-collection">';
     // recordedBy
     if (isset($rdf_array['http://rs.tdwg.org/dwc/terms/recordedBy'][0]['value'])) {
         echo '<p class="cetaf-recordedBy">' . $rdf_array['http://rs.tdwg.org/dwc/terms/recordedBy'][0]['value'] . '</p>';
     }
     // recordedBy
     if (isset($rdf_array['http://rs.tdwg.org/dwc/terms/recordNumber'][0]['value'])) {
         echo '<p class="cetaf-recordNumber">' . $rdf_array['http://rs.tdwg.org/dwc/terms/recordNumber'][0]['value'] . '</p>';
     }
     // recorded date
     if (isset($rdf_array['http://purl.org/dc/terms/created'][0]['value'])) {
         echo '<p class="cetaf-created">' . $rdf_array['http://purl.org/dc/terms/created'][0]['value'] . '</p>';
     }
     echo '</div>';
     echo '<div class="cetaf-geography">';
     // country
     if (isset($rdf_array['http://rs.tdwg.org/dwc/terms/countryCode'][0]['value'])) {
         $country_iso = strtoupper($rdf_array['http://rs.tdwg.org/dwc/terms/countryCode'][0]['value']);
         require_once 'inc/iso_countries.php';
         if (array_key_exists($country_iso, $iso_countries)) {
             $country_name = $iso_countries[$country_iso];
             echo "<p class=\"cetaf-country cetaf-country-{$country_iso}\"><a href=\"https://en.wikipedia.org/wiki/{$country_name}\">{$country_name}</a></p>";
         } else {
             $country_name = $country_iso;
             echo "<p class=\"cetaf-country cetaf-country-{$country_iso}\">{$country_iso}</p>";
         }
     }
     // lon lat
     if (isset($rdf_array['http://rs.tdwg.org/dwc/terms/decimalLongitude'][0]['value']) && isset($rdf_array['http://rs.tdwg.org/dwc/terms/decimalLatitude'][0]['value'])) {
         $lat = $rdf_array['http://rs.tdwg.org/dwc/terms/decimalLatitude'][0]['value'];
         $lon = $rdf_array['http://rs.tdwg.org/dwc/terms/decimalLongitude'][0]['value'];
         $lat_lon = "{$lat},{$lon}";
         echo '<p class="cetaf-lat-lon"><a href="http://maps.google.com?q=' . $lat_lon . '">' . $lat_lon . '</a></p>';
     }
     echo '</div>';
     echo '<div class="cetaf-meta">';
     // source
     if (isset($rdf_array['http://purl.org/dc/terms/publisher'][0]['value'])) {
         $publisher = $rdf_array['http://purl.org/dc/terms/publisher'][0]['value'];
         if (filter_var($publisher, FILTER_VALIDATE_URL)) {
             // fixme - is this a known publisher? if so render their logo
             echo "<p class=\"cetaf-publisher\"><a href=\"{$publisher}\">{$publisher}</a></p>";
         } else {
             echo '<p class="cetaf-publisher">' . $publisher . '</p>';
         }
     }
     echo '</div>';
     return true;
 }

                        $xml = file_get_contents($filePath);
                        $xmlObject = simplexml_load_string($xml);
                        $namespace = 'xsd';
                        if ($vocabulary == 'xsd') {
                            $namespace = 'xs';
                        }
                        $children = $xmlObject->children($namespace, true);
                        foreach ($children->complexType as $v) {
                            $results[] = $vocabulary . ':' . (string) $v->attributes()->name;
                        }
                        foreach ($children->simpleType as $v) {
                            $results[] = $vocabulary . ':' . (string) $v->attributes()->name;
                        }
                    } elseif ($value['extension'] == 'rdf' || $value['extension'] == 'html') {
                        $graph = new EasyRdf_Graph();
                        $graph->parseFile($filePath);
                        $rdfPhp = $graph->toRdfPhp();
                        foreach ($rdfPhp as $key => $resource) {
                            if (strpos($key, $value['namespace']) === 0) {
                                $key = str_replace($value['namespace'], $vocabulary . ':', $key);
                                $results[] = $key;
                            }
                        }
                    }
                }
            }
            $app->response->headers->set('Content-Type', 'application/json');
            $app->response->write(json_encode($results));
        });
    });
});

 public static function processFile($file)
 {
     $rdf = new EasyRdf_Graph();
     $rdf->parseFile($file);
     return $rdf->toRdfPhp();
 }

 /**
  * Rebase the graph on triples with the start fragment to our own base URI
  *
  * @param string        $start_fragment
  * @param EasyRdf_Graph $graph
  *
  * @return EasyRdf_Graph
  */
 private function rebaseGraph($start_fragment, $graph)
 {
     // Filter out the #dataset meta-data (if present) and change the URI's to our base URI
     $collections = $graph->allOfType('hydra:Collection');
     // Fetch all of the subject URI's that bring forth hydra meta-data (and are thus irrelevant)
     $ignore_subjects = array();
     if (empty($collection)) {
         $collections = $graph->allOfType('hydra:PagedCollection');
     }
     if (!empty($collections)) {
         foreach ($collections as $collection) {
             array_push($ignore_subjects, $collection->getUri());
         }
     }
     // Fetch the bnode of the hydra mapping (property is hydra:search)
     $hydra_mapping = $graph->getResource($start_fragment . '#dataset', 'hydra:search');
     if (!empty($hydra_mapping)) {
         // Hydra mapping's will be a bnode structure
         array_push($ignore_subjects, '_:' . $hydra_mapping->getBNodeId());
         $mapping_nodes = $hydra_mapping->all('hydra:mapping');
         foreach ($mapping_nodes as $mapping_node) {
             if ($mapping_node->isBNode()) {
                 array_push($ignore_subjects, '_:' . $mapping_node->getBNodeId());
             }
         }
         $graph->deleteResource($start_fragment . '#dataset', 'hydra:search', '_:genid1');
         $graph->deleteResource('_:genid1', 'hydra:mapping', '_:genid2');
         // Delete all of the mapping related resources
         $triples = $graph->toRdfPhp();
     } else {
         // Change all of the base (startfragment) URI's to our own base URI
         $triples = $graph->toRdfPhp();
     }
     // Unset the #dataset
     unset($triples[$start_fragment . '#dataset']);
     foreach ($ignore_subjects as $ignore_subject) {
         unset($triples[$ignore_subject]);
     }
     $adjusted_graph = new \EasyRdf_Graph();
     foreach ($triples as $subject => $triple) {
         foreach ($triple as $predicate => $objects) {
             foreach ($objects as $object) {
                 $adjusted_graph->add($subject, $predicate, $object['value']);
             }
         }
     }
     return $adjusted_graph;
 }