vendor/symfony/twig-bridge/Symfony/Bridge/Twig/TokenParser/TransChoiceTokenParser.php

   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
  16 /**
  17  * Token Parser for the 'transchoice' tag.
  18  *
  19  * @author Fabien Potencier <fabien@symfony.com>
  20  */
  21 class TransChoiceTokenParser extends TransTokenParser
  22 {
  23     /**
  24      * Parses a token and returns a node.
  25      *
  26      * @param \Twig_Token $token A Twig_Token instance
  27      *
  28      * @return \Twig_NodeInterface A Twig_NodeInterface instance
  29      *
  30      * @throws \Twig_Error_Syntax
  31      */
  32     public function parse(\Twig_Token $token)
  33     {
  34         $lineno = $token->getLine();
  35         $stream = $this->parser->getStream();
  36
  37         $vars = new \Twig_Node_Expression_Array(array(), $lineno);
  38
  39         $count = $this->parser->getExpressionParser()->parseExpression();
  40
  41         $domain = null;
  42         $locale = null;
  43
  44         if ($stream->test('with')) {
  45             // {% transchoice count with vars %}
  46             $stream->next();
  47             $vars = $this->parser->getExpressionParser()->parseExpression();
  48         }
  49
  50         if ($stream->test('from')) {
  51             // {% transchoice count from "messages" %}
  52             $stream->next();
  53             $domain = $this->parser->getExpressionParser()->parseExpression();
  54         }
  55
  56         if ($stream->test('into')) {
  57             // {% transchoice count into "fr" %}
  58             $stream->next();
  59             $locale =  $this->parser->getExpressionParser()->parseExpression();
  60         }
  61
  62         $stream->expect(\Twig_Token::BLOCK_END_TYPE);
  63
  64         $body = $this->parser->subparse(array($this, 'decideTransChoiceFork'), true);
  65
  66         if (!$body instanceof \Twig_Node_Text && !$body instanceof \Twig_Node_Expression) {
  67             throw new \Twig_Error_Syntax('A message must be a simple text.');
  68         }
  69
  70         $stream->expect(\Twig_Token::BLOCK_END_TYPE);
  71
  72         return new TransNode($body, $domain, $count, $vars, $locale, $lineno, $this->getTag());
  73     }
  74
  75     public function decideTransChoiceFork($token)
  76     {
  77         return $token->test(array('endtranschoice'));
  78     }
  79
  80     /**
  81      * Gets the tag name associated with this token parser.
  82      *
  83      * @return string The tag name
  84      */
  85     public function getTag()
  86     {
  87         return 'transchoice';
  88     }
  89 }