private function buildNodeTree(SdlTag $node)
{
$tag = strtolower($node->getName());
$attr = "";
foreach ($node->getAttributes() as $name => $value) {
$attr .= " {$name}=\"{$value}\"";
}
$out = "";
if ($node->hasChildren()) {
if ($tag) {
$out .= "<{$tag}{$attr}>";
}
foreach ($node->getChildren() as $child) {
$out .= $this->buildNodeTree($child);
}
if ($tag) {
$out .= "</{$tag}>";
}
} else {
if (count($node) > 0) {
if (!$tag) {
$out .= $node[0];
} else {
$out .= "<{$tag}{$attr}>" . $node[0] . "</{$tag}>";
}
} else {
$out .= "<{$tag}{$attr}>";
}
}
return $out;
}
