/**
* @return Range[]|Range\Collection
*/
public function aggregate()
{
$aggregator = new Aggregator();
$this->traverseWith(function (Codepoint $codepoint) use($aggregator) {
$aggregator->addCodepoint($codepoint);
});
return $aggregator->getAggregated();
}
/**
* @param callable $comparator
* @param Exception $notFoundException
* @return Range[]|Range\Collection
* @throws Exception
*/
private function aggregatePropertiesWith(callable $comparator, Exception $notFoundException)
{
$aggregator = new Aggregator();
foreach ($this->getAll() as $item) {
if (call_user_func($comparator, $item) === true) {
$codepoint = $item->getCodepoint();
$aggregator->addCodepoint($codepoint);
}
}
if ($aggregator->hasAggregated() !== true) {
throw $notFoundException;
}
return $aggregator->getAggregated();
}
