/**
* @param Lexer $lexer
* @return bool
*/
public function supports(Lexer $lexer)
{
if ($lexer->current() !== '(') {
return false;
}
if ($lexer->key() > 0) {
$whiteSpaceOrOpeningParenthesis = new MatchingIterator($lexer, '/\\s|\\(/', MatchingIterator::DIRECTION_DOWN);
for ($i = 0, $j = 2; $i < $j; $i++) {
if ($whiteSpaceOrOpeningParenthesis->valid() === false) {
return false;
}
if ($whiteSpaceOrOpeningParenthesis->key() < $lexer->key() - $i) {
return false;
}
$whiteSpaceOrOpeningParenthesis->next();
}
}
$key = $lexer->key() + 1;
$commaFound = false;
while ($nextToken = $lexer->peek($key)) {
if ($nextToken === '(') {
return false;
}
if ($nextToken === ',') {
$commaFound = true;
}
if ($nextToken === ')') {
return $commaFound;
}
$key++;
}
return false;
}
public function testOtherSeekPosition()
{
$lexer = new Lexer(['/', '/', '*']);
$lexer->seek(1);
$iterator = new MatchingIterator($lexer, '/\\//');
$results = [1];
$index = 0;
while ($iterator->valid()) {
$this->assertEquals('/', $iterator->current());
$this->assertEquals($results[$index], $iterator->key());
$index++;
$iterator->next();
}
$this->assertEquals(1, iterator_count($iterator));
}
