348  * @param string $string
354 function _unicode(&$string, &$i)  argument
361 …while($i < strlen($string) && (ctype_xdigit($string{$i}) || ctype_space($string{$i})) && strlen($a…
363 		$add .= $string{$i};
365 		if(ctype_space($string{$i})) {
381 	if(@ctype_xdigit($string{$i+1}) && ctype_space($string{$i})
382        && !$replaced || !ctype_space($string{$i})) {
386 	if($add != '\\' || !$this->get_cfg('remove_bslash') || strpos($tokens, $string{$i+1}) !== false) {
439  * @param string $string
444 function is_token(&$string, $i)  argument
447 	return (strpos($tokens, $string{$i}) !== false && !csstidy::escaped($string,$i));
453  * @param string $string the CSS code
458 function parse($string) {  argument
467     $this->print->input_css = $string;
468     $string = str_replace("\r\n","\n",$string) . ' ';
471     for ($i = 0, $size = strlen($string); $i < $size; $i++ )
473         if($string{$i} == "\n" || $string{$i} == "\r")
482             if(csstidy::is_token($string,$i))
484                 if($string{$i} == '/' && @$string{$i+1} == '*')
489                 elseif($string{$i} == '{')
494                 elseif($string{$i} == ',')
498                 elseif($string{$i} == '\\')
500                     $this->at .= $this->_unicode($string,$i);
506 … csstidy::is_token($this->at,$lastpos) && $this->at{$lastpos} == ',') && ctype_space($string{$i})))
508                     $this->at .= $string{$i};
515             if(csstidy::is_token($string,$i))
517                 if($string{$i} == '/' && @$string{$i+1} == '*' && trim($this->selector) == '')
522                 elseif($string{$i} == '@' && trim($this->selector) == '')
528                         if(!strcasecmp(substr($string,$i+1,strlen($name)),$name))
543                             if(!ctype_alpha($string{$j}))
547                             $invalid_at_name .= $string{$j};
552                 elseif(($string{$i} == '"' || $string{$i} == "'"))
554                     $this->selector .= $string{$i};
556                     $this->str_char = $string{$i};
559                 elseif($this->invalid_at && $string{$i} == ';')
564                 elseif($string{$i} == '{')
570                 elseif($string{$i} == '}')
577                 elseif($string{$i} == ',') 
582                 elseif($string{$i} == '\\')
584                     $this->selector .= $this->_unicode($string,$i);
586                 else $this->selector .= $string{$i};
591 …_token($this->selector,$lastpos) && $this->selector{$lastpos} == ',') && ctype_space($string{$i})))
593                     $this->selector .= $string{$i};
600             if(csstidy::is_token($string,$i))
602                 if(($string{$i} == ':' || $string{$i} == '=') && $this->property != '')
609                 elseif($string{$i} == '/' && @$string{$i+1} == '*' && $this->property == '')
614                 elseif($string{$i} == '}')
623                 elseif($string{$i} == ';')
627                 elseif($string{$i} == '\\')
629                     $this->property .= $this->_unicode($string,$i);
632             elseif(!ctype_space($string{$i}))
634                 $this->property .= $string{$i};
640 …$pn = (($string{$i} == "\n" || $string{$i} == "\r") && $this->property_is_next($string,$i+1) || $i…
641             if(csstidy::is_token($string,$i) || $pn)
643                 if($string{$i} == '/' && @$string{$i+1} == '*')
648                 elseif(($string{$i} == '"' || $string{$i} == "'" || $string{$i} == '('))
650                     $this->sub_value .= $string{$i};
651                     $this->str_char = ($string{$i} == '(') ? ')' : $string{$i};
655                 elseif($string{$i} == ',')
659                 elseif($string{$i} == '\\')
661                     $this->sub_value .= $this->_unicode($string,$i);
663                 elseif($string{$i} == ';' || $pn)
688                 elseif($string{$i} != '}')
690                     $this->sub_value .= $string{$i};
692                 if(($string{$i} == '}' || $string{$i} == ';' || $pn) && !empty($this->selector))
741                 if($string{$i} == '}')
752                 $this->sub_value .= $string{$i};
754                 if(ctype_space($string{$i}))
767 …if($this->str_char == ')' && $string{$i} == '"' && !$this->str_in_str && !csstidy::escaped($string…
771 …elseif($this->str_char == ')' && $string{$i} == '"' && $this->str_in_str && !csstidy::escaped($str…
775 …          if($string{$i} == $this->str_char && !csstidy::escaped($string,$i) && !$this->str_in_str)
779             $temp_add = $string{$i};
781 …if( ($string{$i} == "\n" || $string{$i} == "\r") && !($string{$i-1} == '\\' && !csstidy::escaped($…
798             if($string{$i} == '*' && $string{$i+1} == '/')
807                 $cur_comment .= $string{$i};
857  * @param string $string
863 function escaped(&$string,$pos)   argument
865 	return !(@($string{$pos-1} != '\\') || csstidy::escaped($string,$pos-1));