public function accept(IdmlVisitor $visitor, $depth = 0)
{
$visitor->visitAssembler($this, $depth);
for ($i = 0; $i < count($this->idmlPackages); $i++) {
$this->currentIDMLPackageIndex = $i;
// this is needed by getCurrentPackage()
$this->idmlPackages[$i]->accept($visitor, $depth + 1);
}
// Replace hyperlink hrefs
$visitor->fixHyperlinkPageNames($this->processor->epub);
$visitor->visitAssemblerEnd($this, $depth);
}