/**
* @param string $parent_raw
*
* @return string
*/
protected function processFindParent($parent_raw)
{
if ($this->router->urlIsExternal($parent_raw)) {
// Always discard external paths.
return NULL;
}
return $this->router->getNormalPath($parent_raw);
}
/**
* Build altered breadcrumb items.
*
* @return array
*
* @see crumbs_CurrentPageInfo::$breadcrumbItems
*/
protected function breadcrumbItems()
{
$breadcrumb_items = $this->rawBreadcrumbItems;
if (empty($breadcrumb_items)) {
return array();
}
$router_item = $this->router->getRouterItem($this->path);
// Allow modules to alter the breadcrumb, if possible, as that is much
// faster than rebuilding an entirely new active trail.
drupal_alter('menu_breadcrumb', $breadcrumb_items, $router_item);
return $breadcrumb_items;
}