/**
* run
* @see Fl_Base::run()
*/
public function run($options = array())
{
$this->options = array_merge($this->options, $options);
$this->tokenInstance = $this->getInstance("Fl_Css_Token");
$selectorPos = 0;
$sortSelector = $this->options['sort_selector'];
$mergeSelector = $this->options['merge_selector'];
//是否已经含有charset
$hasCharset = false;
while ($token = $this->tokenInstance->getNextToken()) {
switch ($token['type']) {
case FL_TOKEN_CSS_SELECTOR:
$this->collectionSelector($token, $selectorPos++);
break;
case FL_TOKEN_CSS_BRACES_TWO_END:
$this->compressSelector();
$this->options['sort_selector'] = $sortSelector;
$this->options['merge_selector'] = $mergeSelector;
$this->output[] = trim($token['value']);
$this->inKeyframes = false;
break;
case FL_TOKEN_CSS_AT_KEYFRAMES:
$this->options['sort_selector'] = false;
$this->options['merge_selector'] = false;
$this->inKeyframes = true;
default:
if (Fl_Css_Static::isAtType($token['type'])) {
$this->compressSelector(false, false);
}
//只允许含有一个charset
if ($token['type'] === FL_TOKEN_CSS_AT_CHARSET) {
if (!$hasCharset) {
$this->output[] = trim($token['value']);
$hasCharset = true;
}
} else {
$this->output[] = trim($token['value']);
}
}
}
$this->compressSelector();
$result = join('', $this->output);
return Fl_Css_Static::compressCommon($result);
}
