function cn_htmldir($cnstr, $sid = 0)
{
//返回 子站目录/顶级首序分类(/本首序分类)/次序分类/三序分类/ 的格式
global $cnhtmldir, $subsites;
$dirstr = $sid ? $subsites[$sid]['dirname'] . '/' : ($cnhtmldir ? $cnhtmldir . '/' : '');
if ($cnstr) {
parse_str($cnstr, $idsarr);
$topid = $i = 0;
foreach ($idsarr as $k => $v) {
$k = $k == 'caid' ? 0 : str_replace('ccid', '', $k);
$item = !$k ? read_cache('catalog', $v, '', $sid) : read_cache('coclass', $k, $v);
if (!$i) {
$items = $k == 'caid' ? read_cache('catalogs', '', '', $sid) : read_cache('coclasses', $k, $v);
$topid = cn_upid($v, $items);
$dirstr .= $items[$topid]['dirname'] . '/';
}
if ($i || $topid != $v) {
$dirstr .= $item['dirname'] . '/';
}
$i = 1;
}
}
return $dirstr;
}
function cn_upid($id, &$arr, $level = 0)
{
if (empty($arr[$id])) {
return 0;
}
return $arr[$id]['level'] < $level ? 0 : (!$arr[$id]['pid'] || $arr[$id]['level'] == $level ? $id : cn_upid($arr[$id]['pid'], $arr, $level));
}
function arc_topdir(&$item)
{
global $cnhtmldir, $subsites, $acatalogs;
load_cache('acatalogs');
$topid = cn_upid($item['caid'], $acatalogs);
return ($item['sid'] ? $subsites[$item['sid']]['dirname'] . '/' : ($cnhtmldir ? $cnhtmldir . '/' : '')) . $acatalogs[$topid]['dirname'] . '/';
}
