Current File : //opt/alt/php55/usr/share/pear/Symfony/Bridge/Twig/TokenParser/TransTokenParser.php
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Bridge\Twig\TokenParser;
use Symfony\Bridge\Twig\Node\TransNode;
/**
* Token Parser for the 'trans' tag.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class TransTokenParser extends \Twig_TokenParser
{
/**
* Parses a token and returns a node.
*
* @param \Twig_Token $token A Twig_Token instance
*
* @return \Twig_NodeInterface A Twig_NodeInterface instance
*
* @throws \Twig_Error_Syntax
*/
public function parse(\Twig_Token $token)
{
$lineno = $token->getLine();
$stream = $this->parser->getStream();
$vars = new \Twig_Node_Expression_Array(array(), $lineno);
$domain = null;
$locale = null;
if (!$stream->test(\Twig_Token::BLOCK_END_TYPE)) {
if ($stream->test('with')) {
// {% trans with vars %}
$stream->next();
$vars = $this->parser->getExpressionParser()->parseExpression();
}
if ($stream->test('from')) {
// {% trans from "messages" %}
$stream->next();
$domain = $this->parser->getExpressionParser()->parseExpression();
}
if ($stream->test('into')) {
// {% trans into "fr" %}
$stream->next();
$locale = $this->parser->getExpressionParser()->parseExpression();
} elseif (!$stream->test(\Twig_Token::BLOCK_END_TYPE)) {
throw new \Twig_Error_Syntax('Unexpected token. Twig was looking for the "with", "from", or "into" keyword.', $stream->getCurrent()->getLine(), $stream->getFilename());
}
}
// {% trans %}message{% endtrans %}
$stream->expect(\Twig_Token::BLOCK_END_TYPE);
$body = $this->parser->subparse(array($this, 'decideTransFork'), true);
if (!$body instanceof \Twig_Node_Text && !$body instanceof \Twig_Node_Expression) {
throw new \Twig_Error_Syntax('A message inside a trans tag must be a simple text.', $body->getLine(), $stream->getFilename());
}
$stream->expect(\Twig_Token::BLOCK_END_TYPE);
return new TransNode($body, $domain, null, $vars, $locale, $lineno, $this->getTag());
}
public function decideTransFork($token)
{
return $token->test(array('endtrans'));
}
/**
* Gets the tag name associated with this token parser.
*
* @return string The tag name
*/
public function getTag()
{
return 'trans';
}
}
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