public function Twig_ExpressionParser::parseArrayExpression

File

drupal/core/vendor/twig/twig/lib/Twig/ExpressionParser.php, line 207

Class

Twig_ExpressionParser

Parses expressions.

Code

public function parseArrayExpression() {
  $stream = $this->parser
    ->getStream();
  $stream
    ->expect(Twig_Token::PUNCTUATION_TYPE, '[', 'An array element was expected');
  $node = new Twig_Node_Expression_Array(array(), $stream
    ->getCurrent()
    ->getLine());
  $first = true;
  while (!$stream
    ->test(Twig_Token::PUNCTUATION_TYPE, ']')) {
    if (!$first) {
      $stream
        ->expect(Twig_Token::PUNCTUATION_TYPE, ',', 'An array element must be followed by a comma');

      // trailing ,?
      if ($stream
        ->test(Twig_Token::PUNCTUATION_TYPE, ']')) {
        break;
      }
    }
    $first = false;
    $node
      ->addElement($this
      ->parseExpression());
  }
  $stream
    ->expect(Twig_Token::PUNCTUATION_TYPE, ']', 'An opened array is not properly closed');
  return $node;
}