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<?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\Extension;
use Symfony\Bridge\Twig\TokenParser\TransTokenParser;
use Symfony\Bridge\Twig\TokenParser\TransChoiceTokenParser;
use Symfony\Bridge\Twig\TokenParser\TransDefaultDomainTokenParser;
use Symfony\Component\Translation\TranslatorInterface;
use Symfony\Bridge\Twig\NodeVisitor\TranslationNodeVisitor;
use Symfony\Bridge\Twig\NodeVisitor\TranslationDefaultDomainNodeVisitor;
/**
* Provides integration of the Translation component with Twig.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class TranslationExtension extends \Twig_Extension
{
private $translator;
private $translationNodeVisitor;
public function __construct(TranslatorInterface $translator, \Twig_NodeVisitorInterface $translationNodeVisitor = null)
{
if (!$translationNodeVisitor) {
$translationNodeVisitor = new TranslationNodeVisitor();
}
$this->translator = $translator;
$this->translationNodeVisitor = $translationNodeVisitor;
}
public function getTranslator()
{
return $this->translator;
}
/**
* {@inheritdoc}
*/
public function getFilters()
{
return array(
'trans' => new \Twig_Filter_Method($this, 'trans'),
'transchoice' => new \Twig_Filter_Method($this, 'transchoice'),
);
}
/**
* Returns the token parser instance to add to the existing list.
*
* @return array An array of Twig_TokenParser instances
*/
public function getTokenParsers()
{
return array(
// {% trans %}Symfony is great!{% endtrans %}
new TransTokenParser(),
// {% transchoice count %}
// {0} There is no apples|{1} There is one apple|]1,Inf] There is {{ count }} apples
// {% endtranschoice %}
new TransChoiceTokenParser(),
// {% trans_default_domain "foobar" %}
new TransDefaultDomainTokenParser(),
);
}
/**
* {@inheritdoc}
*/
public function getNodeVisitors()
{
return array($this->translationNodeVisitor, new TranslationDefaultDomainNodeVisitor());
}
public function getTranslationNodeVisitor()
{
return $this->translationNodeVisitor;
}
public function trans($message, array $arguments = array(), $domain = null, $locale = null)
{
if (null === $domain) {
$domain = 'messages';
}
return $this->translator->trans($message, $arguments, $domain, $locale);
}
public function transchoice($message, $count, array $arguments = array(), $domain = null, $locale = null)
{
if (null === $domain) {
$domain = 'messages';
}
return $this->translator->transChoice($message, $count, array_merge(array('%count%' => $count), $arguments), $domain, $locale);
}
/**
* Returns the name of the extension.
*
* @return string The extension name
*/
public function getName()
{
return 'translator';
}
}
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