function _crumbs_TrailFinder::buildTrail in Crumbs, the Breadcrumbs suite 6.2

Build the raw trail, with no respect to title, access check, or skip-in-breadcrumb.

File

./crumbs.trail.inc, line 89

Class

_crumbs_TrailFinder

Code

function buildTrail($path) {
  $path = drupal_get_normal_path($path);
  $trail_reverse = array();
  $front_normal_path = drupal_get_normal_path(variable_get('site_frontpage', 'node'));
  $front_menu_item = crumbs_get_router_item($front_normal_path);
  while (strlen($path) && $path !== '<front>' && $path !== $front_normal_path) {
    if (isset($trail_reverse[$path])) {

      // We found a loop! To prevent infinite recursion, we
      // remove the loopy paths from the trail and finish directly with <front>.
      while (isset($trail_reverse[$path])) {
        array_pop($trail_reverse);
      }
      break;
    }
    $item = crumbs_get_router_item($path);

    // if menu_get_item() does not resolve as a valid router item,
    // we skip this path.
    if ($item) {
      $trail_reverse[$path] = $item;
    }
    $parent_path = $this->_parent_finder
      ->getParentPath($path, $item);
    if ($parent_path === $path) {

      // This is again a loop, but with just one step.
      // Not as evil as the other kind of loop.
      break;
    }
    $path = $parent_path;
  }
  unset($trail_reverse['<front>']);
  $trail_reverse[$front_normal_path] = $front_menu_item;
  return array_reverse($trail_reverse);
}