/**
  * Parse parameters, return concept information box and update the
  * ParserOutput with the concept object
  *
  * @since 1.9
  *
  * @param array $params
  *
  * @return string|null
  */
 public function parse(array $rawParams)
 {
     $this->parserData->getOutput()->addModules('ext.smw.style');
     $title = $this->parserData->getTitle();
     $property = new DIProperty('_CONC');
     if (!($title->getNamespace() === SMW_NS_CONCEPT)) {
         return $this->messageFormatter->addFromKey('smw_no_concept_namespace')->getHtml();
     } elseif (count($this->parserData->getSemanticData()->getPropertyValues($property)) > 0) {
         return $this->messageFormatter->addFromKey('smw_multiple_concepts')->getHtml();
     }
     // Remove parser object from parameters array
     if (isset($rawParams[0]) && $rawParams[0] instanceof Parser) {
         array_shift($rawParams);
     }
     // Use first parameter as concept (query) string
     $conceptQuery = array_shift($rawParams);
     // Use second parameter, if any as a description
     $conceptDocu = array_shift($rawParams);
     $query = $this->buildQuery($conceptQuery);
     $conceptQueryString = $query->getDescription()->getQueryString();
     $this->parserData->getSemanticData()->addPropertyObjectValue($property, new DIConcept($conceptQueryString, $conceptDocu, $query->getDescription()->getQueryFeatures(), $query->getDescription()->getSize(), $query->getDescription()->getDepth()));
     $this->messageFormatter->addFromArray($query->getErrors())->addFromArray($this->parserData->getErrors());
     $this->addQueryProfile($query);
     $this->parserData->pushSemanticDataToParserOutput();
     if ($this->messageFormatter->exists()) {
         return $this->messageFormatter->getHtml();
     }
     return $this->buildConceptInfoBox($title, $conceptQueryString, $conceptDocu);
 }
 /**
  * {{#ask}} is disabled (see $smwgQEnabled)
  *
  * @since 1.9
  *
  * @return string|null
  */
 public function isQueryDisabled()
 {
     return $this->messageFormatter->addFromKey('smw_iq_disabled')->getHtml();
 }