/**
* Converts a render array into an HtmlFragment object.
*
* @param array|\Drupal\Core\Page\HtmlFragmentInterface|\Symfony\Component\HttpFoundation\Response $page_content
* The page content area to display.
* @param \Symfony\Component\HttpFoundation\Request $request
* The request object.
*
* @return \Drupal\Core\Page\HtmlPage
* A page object.
*
* @throws \InvalidArgumentException
* Thrown if the controller returns a string.
*/
protected function createHtmlFragment($page_content, Request $request)
{
// Allow controllers to return a HtmlFragment or a Response object directly.
if ($page_content instanceof HtmlFragment || $page_content instanceof Response) {
return $page_content;
}
if (is_string($page_content)) {
throw new \InvalidArgumentException('_content controllers are not allowed to return strings. You can return a render array, a html fragment or a response object.');
}
$fragment = $this->renderHtmlRenderer->render($page_content);
if (!$fragment->getTitle() && ($route = $request->attributes->get(RouteObjectInterface::ROUTE_OBJECT))) {
$fragment->setTitle($this->titleResolver->getTitle($request, $route), Title::PASS_THROUGH);
}
return $fragment;
}
/**
* Converts a render array into an HtmlFragment object.
*
* @param array|string $page_content
* The page content area to display.
* @param \Symfony\Component\HttpFoundation\Request $request
* The request object.
*
* @return \Drupal\Core\Page\HtmlPage
* A page object.
*/
protected function createHtmlFragment($page_content, Request $request)
{
// Allow controllers to return a HtmlFragment or a Response object directly.
if ($page_content instanceof HtmlFragment || $page_content instanceof Response) {
return $page_content;
}
if (!is_array($page_content)) {
$page_content = ['#markup' => $page_content];
}
$fragment = $this->renderHtmlRenderer->render($page_content);
if (!$fragment->getTitle() && ($route = $request->attributes->get(RouteObjectInterface::ROUTE_OBJECT))) {
$fragment->setTitle($this->titleResolver->getTitle($request, $route), Title::PASS_THROUGH);
}
return $fragment;
}