protected function TwigTransTokenParser::checkTransString in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Template/TwigTransTokenParser.php \Drupal\Core\Template\TwigTransTokenParser::checkTransString()

Ensure that any nodes that are parsed are only of allowed types.

Parameters

\Twig_Node $body: The expression to check.

int $lineno: The source line.

Throws

\Twig_Error_Syntax

1 call to TwigTransTokenParser::checkTransString()

TwigTransTokenParser::parse in core/lib/Drupal/Core/Template/TwigTransTokenParser.php

File

core/lib/Drupal/Core/Template/TwigTransTokenParser.php, line 86

Class

TwigTransTokenParser

A class that defines the Twig 'trans' token parser for Drupal.

Namespace

Drupal\Core\Template

Code

protected function checkTransString(\Twig_Node $body, $lineno) {
  foreach ($body as $node) {
    if ($node instanceof \Twig_Node_Text || $node instanceof \Twig_Node_Print && $node
      ->getNode('expr') instanceof \Twig_Node_Expression_Name || $node instanceof \Twig_Node_Print && $node
      ->getNode('expr') instanceof \Twig_Node_Expression_GetAttr || $node instanceof \Twig_Node_Print && $node
      ->getNode('expr') instanceof \Twig_Node_Expression_Filter) {
      continue;
    }
    throw new \Twig_Error_Syntax(sprintf('The text to be translated with "trans" can only contain references to simple variables'), $lineno);
  }
}