static function parseQuery($str)
{
static $cache = array();
$str = hq::toLower($str);
$str = hq::dropSyntax($str);
if (isset($cache[$str])) {
return $cache[$str];
}
$index = array();
$arr = explode(' ', $str);
foreach ($arr as $cur) {
if ($cur !== '') {
$index[hq::morf($cur)] = 1;
$index['!' . $cur] = 1;
}
}
$cache[$str] = $index;
return $index;
}
