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/vendor/symfony/twig-bridge/TokenParser/ -> TransChoiceTokenParser.php (source)

   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <fabien@symfony.com>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Bridge\Twig\TokenParser;
  13  
  14  use Symfony\Bridge\Twig\Node\TransNode;
  15  use Twig\Error\SyntaxError;
  16  use Twig\Node\Expression\AbstractExpression;
  17  use Twig\Node\Expression\ArrayExpression;
  18  use Twig\Node\TextNode;
  19  use Twig\Token;
  20  
  21  /**
  22   * Token Parser for the 'transchoice' tag.
  23   *
  24   * @author Fabien Potencier <fabien@symfony.com>
  25   */
  26  class TransChoiceTokenParser extends TransTokenParser
  27  {
  28      /**
  29       * {@inheritdoc}
  30       */
  31      public function parse(Token $token)
  32      {
  33          $lineno = $token->getLine();
  34          $stream = $this->parser->getStream();
  35  
  36          $vars = new ArrayExpression([], $lineno);
  37  
  38          $count = $this->parser->getExpressionParser()->parseExpression();
  39  
  40          $domain = null;
  41          $locale = null;
  42  
  43          if ($stream->test('with')) {
  44              // {% transchoice count with vars %}
  45              $stream->next();
  46              $vars = $this->parser->getExpressionParser()->parseExpression();
  47          }
  48  
  49          if ($stream->test('from')) {
  50              // {% transchoice count from "messages" %}
  51              $stream->next();
  52              $domain = $this->parser->getExpressionParser()->parseExpression();
  53          }
  54  
  55          if ($stream->test('into')) {
  56              // {% transchoice count into "fr" %}
  57              $stream->next();
  58              $locale = $this->parser->getExpressionParser()->parseExpression();
  59          }
  60  
  61          $stream->expect(Token::BLOCK_END_TYPE);
  62  
  63          $body = $this->parser->subparse([$this, 'decideTransChoiceFork'], true);
  64  
  65          if (!$body instanceof TextNode && !$body instanceof AbstractExpression) {
  66              throw new SyntaxError('A message inside a transchoice tag must be a simple text.', $body->getTemplateLine(), $stream->getSourceContext());
  67          }
  68  
  69          $stream->expect(Token::BLOCK_END_TYPE);
  70  
  71          return new TransNode($body, $domain, $count, $vars, $locale, $lineno, $this->getTag());
  72      }
  73  
  74      public function decideTransChoiceFork($token)
  75      {
  76          return $token->test(['endtranschoice']);
  77      }
  78  
  79      /**
  80       * {@inheritdoc}
  81       */
  82      public function getTag()
  83      {
  84          return 'transchoice';
  85      }
  86  }


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