/**
* Parse a supplied iterator
*
* @param Iterator $iterator
*
* @return Iterator
*/
private function parseIterator(Iterator $iterator)
{
$iterator = $this->parseHeaderRow($iterator);
if ($this->csvFormat->getDataStart() > 1 || $this->csvFormat->getLimit() !== -1) {
$iterator = new LimitIterator($iterator, max(0, $this->csvFormat->getDataStart() - 1), $this->csvFormat->getLimit());
}
return $iterator;
}
