/**
*
* compress selector
*/
public function compressSelector()
{
if (empty($this->selectors)) {
return true;
}
$selectors = array_values($this->selectors);
$this->selectors = array();
if (!$this->options['merge_selector'] || count($selectors) === 1) {
return $this->output[] = $this->selectorToText($selectors);
}
$count = count($selectors);
$result = array();
$se = array();
$flag = 0;
for ($i = 0; $i < $count; $i++) {
$item = $selectors[$i];
if ($i === $count - 1) {
$flag = 1;
}
if (empty($item['equal']) || $item['same_score']) {
$se[] = $item;
} else {
$flag = 2;
}
if ($flag) {
$se = $this->selectorsIntersect($se);
if ($this->options['sort_selector']) {
$se = Fl_Css_Static::sortSelectors($se);
}
if ($flag === 2) {
$se[] = $item;
}
if (!empty($result)) {
array_unshift($se, array_pop($result));
}
$se = Fl_Css_Static::combineSameSelector($se);
$se = $this->selectorsIntersect($se);
$result = array_merge($result, $se);
$se = array();
$flag = 0;
}
}
$this->output[] = $this->selectorToText($result);
}