function test_compact_list()
{
$levels = array(1, 3, 1, 1, 3, 2, 3);
$parse = sonots::compact_list($levels);
$truth = array(1, 2, 1, 1, 2, 2, 3);
$this->assertEqual($parse, $truth);
$levels = array(1, 3, 1, 1, 3, 3, 3);
$parse = sonots::compact_list($levels);
$truth = array(1, 2, 1, 1, 2, 2, 2);
$this->assertEqual($parse, $truth);
}
/**
* Compact depth of headlines
*
* @access public
* @access static
* @param array &$headlines
*/
function compact_depth(&$headlines)
{
$pages = sonots::get_members($headlines, 'page');
// perform compact separately for each page
foreach (array_unique($pages) as $page) {
$keys = sonots::grep_array($page, $pages, 'eq');
$page_headlines = array_intersect_key($headlines, $keys);
$depths = sonots::get_members($page_headlines, 'depth');
$depths = sonots::compact_list($depths);
foreach ($depths as $key => $depth) {
$headlines[$key]->depth = $depth;
}
}
}