protected static function cb_extractStrings($match)
{
$label = csscrush::createTokenLabel('s');
csscrush::$storage->tokens->strings[$label] = $match[0];
return $label;
}
public static function matchAllBrackets($str, $pair = '()', $offset = 0)
{
$match_obj = new stdClass();
$match_obj->string = $str;
$match_obj->raw = $str;
$match_obj->matches = array();
list($opener, $closer) = str_split($pair, 1);
// Return early if there's no match
if (false === ($first_offset = strpos($str, $opener, $offset))) {
return $match_obj;
}
// Step through the string one character at a time storing offsets
$paren_score = -1;
$inside_paren = false;
$match_start = 0;
$offsets = array();
for ($index = $first_offset; $index < strlen($str); $index++) {
$char = $str[$index];
if ($opener === $char) {
if (!$inside_paren) {
$paren_score = 1;
$match_start = $index;
} else {
$paren_score++;
}
$inside_paren = true;
} elseif ($closer === $char) {
$paren_score--;
}
if (0 === $paren_score) {
$inside_paren = false;
$paren_score = -1;
$offsets[] = array($match_start, $index + 1);
}
}
// Step backwards through the matches
while ($offset = array_pop($offsets)) {
list($start, $finish) = $offset;
$before = substr($str, 0, $start);
$content = substr($str, $start, $finish - $start);
$after = substr($str, $finish);
$label = csscrush::createTokenLabel('p');
$str = $before . $label . $after;
$match_obj->matches[$label] = $content;
// Parens will be folded in later
csscrush::$storage->tokens->parens[$label] = $content;
}
$match_obj->string = $str;
return $match_obj;
}
