protected function doScan(Scanner $scanner)
{
$start_state = $scanner->getState();
if (empty($this->parsers)) {
return true;
}
$parser = $this->parsers[0];
$count = 0;
while (true) {
if ($this->max > 0 && $count <= $this->max) {
return true;
}
if (!$parser->trigger($scanner)) {
if ($this->min == 0 || $count >= $this->min) {
return true;
} else {
$scanner->setState($start_state);
return false;
}
}
if (!$parser->scan($scanner)) {
if ($this->min == 0 || $count >= $this->min) {
return true;
} else {
$scanner->setState($start_state);
}
}
$count++;
}
return true;
}
protected function doScan(Scanner $scanner)
{
$start_state = $scanner->getState();
foreach ($this->parsers as $parser) {
if (!($parser->trigger($scanner) && ($scan = $parser->scan($scanner)))) {
$scanner->setState($start_state);
return false;
}
}
return true;
}
protected function doScan(Scanner $scanner)
{
$type = $scanner->tokenType();
$start_state = null;
foreach ($this->parsers as $parser) {
$start_state = $scanner->getState();
if ($type == $parser->trigger($scanner) && $parser->scan($scanner)) {
return true;
}
}
$scanner->setState($start_state);
return false;
}
