/**
* Create component container from description.
*
* @param \SimpleXMLElement $containerDescription Container description.
* @param array $externalParams Additional attributes.
* @return ComponentContainer
*
* @throws SystemException ERR_NO_CONTAINER_NAME
*/
public static function createFromDescription(\SimpleXMLElement $containerDescription, array $externalParams = [])
{
$properties['tag'] = $containerDescription->getName();
$attributes = $containerDescription->attributes();
if (in_array($containerDescription->getName(), ['page', 'content'])) {
$properties['name'] = $properties['tag'];
} elseif (!isset($attributes['name'])) {
$properties['name'] = uniqid('name_');
}
foreach ($attributes as $propertyName => $propertyValue) {
$properties[(string) $propertyName] = (string) $propertyValue;
}
$name = $properties['name'];
unset($properties['name']);
$properties = array_merge($properties, $externalParams);
$value = null;
$containerDescriptionValue = trim((string) $containerDescription);
if (!empty($containerDescriptionValue)) {
$value = $containerDescriptionValue;
}
$result = new ComponentContainer($name, $properties, $value);
foreach ($containerDescription as $blockDescription) {
if ($c = ComponentManager::createBlockFromDescription($blockDescription, $externalParams)) {
$result->add($c);
}
}
return $result;
}
