/**
* create root pager from the largest non-empty category range
* @param $ranges - array of "complete" token queues (range)
* (every range is an stdobject of decoded infix queue and encoded reverse polish queue)
*/
public static function newFromCategoryRange($ranges)
{
$rp = null;
foreach ($ranges as &$range) {
$rp = CB_RootPager::newFromInfixTokens($range->infix_tokens);
$rp->getCurrentRows();
if (is_object($rp) && $rp->offset != -1) {
break;
}
}
return $rp;
}
