/**
* Render children
*
* @return array
*/
protected function renderChildren(ViewInterface $view) : array
{
$data = [];
$dataByObject = new \SplObjectStorage();
foreach ($view->getChildren() as $name => $child) {
$data[$name] = $dataByObject[$child] ?? ($dataByObject[$child] = $child->render());
}
// Test name collision
$variables = $view->getVariables();
if ($names = array_intersect_key($data, $variables)) {
throw new KeyCollisionException(sprintf(static::EXCEPTION_NAME_COLLISION, implode("', '", array_keys($names))));
}
return $data;
}
/**
* {@inheritDoc}
* @see \Fixin\View\Engine\EngineInterface::render($view)
*/
public function render(ViewInterface $view)
{
// Template
$filename = $view->getResolvedTemplate();
if (is_null($filename)) {
return static::NO_TEMPLATE;
}
// Data
$data = $this->renderChildren($view) + $view->getVariables();
// Include
try {
ob_start();
EncapsulatedInclude::include(clone $this->assistant, $filename, $data);
} catch (\Throwable $t) {
ob_end_clean();
throw $t;
}
return ob_get_clean();
}