/**
* Checks if a character is escaped (and returns true if it is)
* @param string $string
* @param integer $pos
* @access public
* @return bool
* @version 1.02
*/
function escaped(&$string, $pos)
{
return !(@($string[$pos - 1] != '\\') || csstidy::escaped($string, $pos - 1));
}
/**
* Checks if a character is escaped (and returns true if it is)
* @param string $string
* @param integer $pos
* @access public
* @return bool
* @version 1.02
*/
static function escaped(&$string, $pos)
{
$pos = $pos - 1;
return !(@($string[$pos] !== '\\') || csstidy::escaped($string, $pos));
}
/**
* Explodes a string as explode() does, however, not if $sep is escaped or within a string.
* @param string $sep seperator
* @param string $string
* @return array
* @version 1.0
*/
function explode_ws($sep, $string)
{
$status = 'st';
$to = '';
$output = array();
$num = 0;
for ($i = 0, $len = strlen($string); $i < $len; $i++) {
switch ($status) {
case 'st':
if ($string[$i] == $sep && !csstidy::escaped($string, $i)) {
++$num;
} elseif ($string[$i] === '"' || $string[$i] === '\'' || $string[$i] === '(' && !csstidy::escaped($string, $i)) {
$status = 'str';
$to = $string[$i] === '(' ? ')' : $string[$i];
isset($output[$num]) ? $output[$num] .= $string[$i] : ($output[$num] = $string[$i]);
} else {
isset($output[$num]) ? $output[$num] .= $string[$i] : ($output[$num] = $string[$i]);
}
break;
case 'str':
if ($string[$i] == $to && !csstidy::escaped($string, $i)) {
$status = 'st';
}
isset($output[$num]) ? $output[$num] .= $string[$i] : ($output[$num] = $string[$i]);
break;
}
}
if (isset($output[0])) {
return $output;
} else {
return array($output);
}
}
/**
* Checks if a character is escaped (and returns true if it is)
* @param string $string
* @param integer $pos
* @access public
* @return bool
* @version 1.02
*/
public function escaped(&$string, $pos)
{
return $pos ? !(@($string[$pos - 1] !== '\\') || csstidy::escaped($string, $pos - 1)) : false;
}
