/**
* Converts the shorthand sitemap config array into a tree structure.
*
* @param array $children The items to add as child nodes to the given $parent
* @param TreeSitemap $parent The parent tree object
* @param string $path The root-relative base url
*
* @return boolean true if ok, otherwise false
*/
protected function expandChildNodes(SitemapTree $parent, array $children, $path = '/')
{
foreach ($children as $key => $value) {
if (is_numeric($key) && is_string($value)) {
$nodeValue = $value;
} elseif (is_string($key) && is_array($value)) {
$nodeValue = $key;
} else {
$nodeValue = $key;
if ($value != '~') {
# assume a hardcoded url: 'Google' => 'google.com'
$url = $value;
}
}
$node = $parent->addNode($nodeValue);
$slug = $this->slugify($nodeValue);
$node->setSlug($slug);
$href = isset($url) ? $url : $path . $slug;
$node->setHref($href);
# recurse
if (is_array($value)) {
$this->expandChildNodes($node, $value, $path . $slug . '/');
}
}
return $parent;
}
/**
* Converts a serialized array back into a SitemapTree object
*/
public function unserialize($importArray = array())
{
foreach ($importArray as $nodeArray) {
if (isset($nodeArray['name']) && isset($nodeArray['href'])) {
$node = new SitemapTree($nodeArray['name']);
$node->setHref($nodeArray['href']);
if (isset($nodeArray['nodes']) && is_array($nodeArray['nodes'])) {
$node->unserialize($nodeArray['nodes']);
}
$this->addNode($node);
}
}
}
