public function match($string, Node $curmatch)
{
$matches = new SimpleNode();
$matchcount = 0;
$matchpos = 0;
do {
$match = $this->_match(substr($string, $matchpos), $curmatch);
if ($this->repeat == self::ONE || $this->repeat == self::ZERO_OR_ONE) {
if ($match !== FALSE) {
return $match;
}
if ($this->repeat == self::ZERO_OR_ONE) {
return $matches;
}
return FALSE;
}
if ($match !== FALSE) {
$matchcount++;
$matchpos += $match->getLen();
$matches->addLen($match->getLen());
$matches->addText($match->getText());
}
} while ($match);
if ($matchcount == 0 && $this->repeat == self::ONE_OR_MORE) {
return FALSE;
}
return $matches;
}
protected function _match($string, Node $curmatch)
{
$matches = new SimpleNode();
$curmatch->startTransaction();
$matchpos = 0;
foreach ($this->expressions as $expr) {
$match = $expr->match(substr($string, $matchpos), $curmatch);
if ($match === FALSE) {
$curmatch->revertTransaction();
return FALSE;
}
$matchpos += $match->getLen();
$matches->addLen($match->getLen());
if (!$expr->ignore) {
$matches->addText($match->getText());
}
}
$curmatch->commitTransaction();
return $matches;
}