/**
  * Generate the XML Schema for a given class name.
  *
  * @param string $className Class name to generate the schema for.
  * @param string $namespace Namespace prefix. Used to split off the first parts of the class name.
  * @param SimpleXMLElement $xmlRootNode XML root node where the xsd:element is appended.
  * @return void
  * @author Sebastian Kurfürst <*****@*****.**>
  */
 protected function generateXmlForClassName($className, $namespace, SimpleXMLElement $xmlRootNode)
 {
     $reflectionClass = new Tx_Extbase_Reflection_ClassReflection($className);
     if (!$reflectionClass->isSubclassOf($this->abstractViewHelperReflectionClass)) {
         return;
     }
     $tagName = $this->getTagNameForClass($className, $namespace);
     $docbookSection = $xmlRootNode->addChild('section');
     $docbookSection->addChild('title', $tagName);
     $this->docCommentParser->parseDocComment($reflectionClass->getDocComment());
     $this->addDocumentation($this->docCommentParser->getDescription(), $docbookSection);
     $argumentsSection = $docbookSection->addChild('section');
     $argumentsSection->addChild('title', 'Arguments');
     $this->addArguments($className, $argumentsSection);
     return $docbookSection;
 }