public function Twig_TokenParser_AutoEscape::parse

Parses a token and returns a node.

Parameters

Twig_Token $token A Twig_Token instance:

Return value

Twig_NodeInterface A Twig_NodeInterface instance

Overrides Twig_TokenParserInterface::parse

File

drupal/core/vendor/twig/twig/lib/Twig/TokenParser/AutoEscape.php, line 39

Class

Twig_TokenParser_AutoEscape

Marks a section of a template to be escaped or not.

Code

public function parse(Twig_Token $token) {
  $lineno = $token
    ->getLine();
  if ($this->parser
    ->getStream()
    ->test(Twig_Token::BLOCK_END_TYPE)) {
    $value = 'html';
  }
  else {
    $expr = $this->parser
      ->getExpressionParser()
      ->parseExpression();
    if (!$expr instanceof Twig_Node_Expression_Constant) {
      throw new Twig_Error_Syntax('An escaping strategy must be a string or a Boolean.', $lineno);
    }
    $value = $expr
      ->getAttribute('value');
    $compat = true === $value || false === $value;
    if (true === $value) {
      $value = 'html';
    }
    if ($compat && $this->parser
      ->getStream()
      ->test(Twig_Token::NAME_TYPE)) {
      if (false === $value) {
        throw new Twig_Error_Syntax('Unexpected escaping strategy as you set autoescaping to false.', $lineno);
      }
      $value = $this->parser
        ->getStream()
        ->next()
        ->getValue();
    }
  }
  $this->parser
    ->getStream()
    ->expect(Twig_Token::BLOCK_END_TYPE);
  $body = $this->parser
    ->subparse(array(
    $this,
    'decideBlockEnd',
  ), true);
  $this->parser
    ->getStream()
    ->expect(Twig_Token::BLOCK_END_TYPE);
  return new Twig_Node_AutoEscape($value, $body, $lineno, $this
    ->getTag());
}