90 lines
2.7 KiB
PHP
90 lines
2.7 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Bridge\Twig\TokenParser;
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use Symfony\Bridge\Twig\Node\TransNode;
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/**
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* Token Parser for the 'trans' tag.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class TransTokenParser extends \Twig_TokenParser
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{
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/**
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* Parses a token and returns a node.
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*
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* @param \Twig_Token $token A Twig_Token instance
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*
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* @return \Twig_NodeInterface A Twig_NodeInterface instance
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*
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* @throws \Twig_Error_Syntax
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*/
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public function parse(\Twig_Token $token)
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{
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$lineno = $token->getLine();
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$stream = $this->parser->getStream();
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$vars = new \Twig_Node_Expression_Array(array(), $lineno);
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$domain = null;
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$locale = null;
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if (!$stream->test(\Twig_Token::BLOCK_END_TYPE)) {
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if ($stream->test('with')) {
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// {% trans with vars %}
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$stream->next();
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$vars = $this->parser->getExpressionParser()->parseExpression();
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}
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if ($stream->test('from')) {
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// {% trans from "messages" %}
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$stream->next();
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$domain = $this->parser->getExpressionParser()->parseExpression();
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}
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if ($stream->test('into')) {
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// {% trans into "fr" %}
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$stream->next();
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$locale = $this->parser->getExpressionParser()->parseExpression();
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} elseif (!$stream->test(\Twig_Token::BLOCK_END_TYPE)) {
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throw new \Twig_Error_Syntax('Unexpected token. Twig was looking for the "with", "from", or "into" keyword.', $stream->getCurrent()->getLine(), $stream->getFilename());
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}
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}
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// {% trans %}message{% endtrans %}
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$stream->expect(\Twig_Token::BLOCK_END_TYPE);
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$body = $this->parser->subparse(array($this, 'decideTransFork'), true);
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if (!$body instanceof \Twig_Node_Text && !$body instanceof \Twig_Node_Expression) {
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throw new \Twig_Error_Syntax('A message inside a trans tag must be a simple text.', $body->getLine(), $stream->getFilename());
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}
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$stream->expect(\Twig_Token::BLOCK_END_TYPE);
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return new TransNode($body, $domain, null, $vars, $locale, $lineno, $this->getTag());
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}
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public function decideTransFork($token)
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{
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return $token->test(array('endtrans'));
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}
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/**
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* Gets the tag name associated with this token parser.
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*
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* @return string The tag name
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*/
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public function getTag()
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{
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return 'trans';
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}
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}
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