[TwigBundle] added helpers for translations
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@ -4,6 +4,8 @@ namespace Symfony\Bundle\TwigBundle\Extension;
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use Symfony\Component\Templating\Engine;
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use Symfony\Component\Templating\Engine;
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use Symfony\Bundle\TwigBundle\TokenParser\HelperTokenParser;
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use Symfony\Bundle\TwigBundle\TokenParser\HelperTokenParser;
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use Symfony\Bundle\TwigBundle\TokenParser\TransTokenParser;
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use Symfony\Bundle\TwigBundle\TokenParser\TransChoiceTokenParser;
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/*
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/*
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* This file is part of the Symfony package.
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* This file is part of the Symfony package.
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@ -51,6 +53,14 @@ class Helpers extends \Twig_Extension
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// {% flash 'notice' %}
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// {% flash 'notice' %}
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new HelperTokenParser('flash', '<name>', 'session', 'flash'),
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new HelperTokenParser('flash', '<name>', 'session', 'flash'),
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// {% trans "Symfony is great!" %}
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new TransTokenParser(),
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// {% transchoice count %}
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// {0} There is no apples|{1} There is one apple|]1,Inf] There is {{ count }} apples
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// {% endtranschoice %}
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new TransChoiceTokenParser(),
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);
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);
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}
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}
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94
src/Symfony/Bundle/TwigBundle/Node/TransNode.php
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94
src/Symfony/Bundle/TwigBundle/Node/TransNode.php
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@ -0,0 +1,94 @@
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<?php
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namespace Symfony\Bundle\TwigBundle\Node;
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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.potencier@symfony-project.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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/**
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*
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*
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* @author Fabien Potencier <fabien.potencier@symfony-project.com>
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*/
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class TransNode extends \Twig_Node
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{
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public function __construct(\Twig_NodeInterface $body, \Twig_NodeInterface $domain, \Twig_Node_Expression $count = null, $lineno, $tag = null)
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{
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parent::__construct(array('count' => $count, 'body' => $body, 'domain' => $domain), array(), $lineno, $tag);
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}
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/**
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* Compiles the node to PHP.
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*
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* @param \Twig_Compiler A Twig_Compiler instance
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*/
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public function compile($compiler)
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{
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$compiler->addDebugInfo($this);
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list($msg, $vars) = $this->compileString($this->body);
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$method = null === $this->count ? 'trans' : 'transChoice';
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$compiler
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->write('echo $context[\'_view\'][\'translator\']->'.$method.'(')
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->subcompile($msg)
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;
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$compiler->raw(', ');
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if (null !== $this->count) {
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$compiler
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->subcompile($this->count)
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->raw(', ')
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;
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}
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$compiler->raw('array(');
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foreach ($vars as $var) {
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$compiler
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->string('{{ '.$var['name'].' }}')
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->raw(' => ')
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->subcompile($var)
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->raw(', ')
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;
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}
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$compiler
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->raw("), ")
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->subcompile($this->domain)
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->raw(");\n")
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;
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}
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protected function compileString(\Twig_NodeInterface $body)
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{
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if ($body instanceof \Twig_Node_Expression_Name || $body instanceof \Twig_Node_Expression_Constant) {
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return array($body, array());
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}
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$msg = '';
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$vars = array();
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foreach ($body as $node) {
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if ($node instanceof \Twig_Node_Print) {
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$n = $node->expr;
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while ($n instanceof \Twig_Node_Expression_Filter) {
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$n = $n->node;
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}
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$msg .= sprintf('{{ %s }}', $n['name']);
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$vars[] = new \Twig_Node_Expression_Name($n['name'], $n->getLine());
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} else {
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$msg .= $node['data'];
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}
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}
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return array(new \Twig_Node(array(new \Twig_Node_Expression_Constant(trim($msg), $node->getLine()))), $vars);
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}
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}
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@ -0,0 +1,68 @@
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<?php
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namespace Symfony\Bundle\TwigBundle\TokenParser;
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use Symfony\Bundle\TwigBundle\Node\TransNode;
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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.potencier@symfony-project.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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/**
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*
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*
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* @author Fabien Potencier <fabien.potencier@symfony-project.com>
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*/
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class TransChoiceTokenParser extends TransTokenParser
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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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public function parse(\Twig_Token $token)
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{
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$lineno = $token->getLine();
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$stream = $this->parser->getStream();
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$count = $this->parser->getExpressionParser()->parseExpression();
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$domain = new \Twig_Node_Expression_Constant('messages', $lineno);
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if (!$stream->test(\Twig_Token::BLOCK_END_TYPE) && $stream->test('from')) {
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$stream->next();
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$domain = $this->parser->getExpressionParser()->parseExpression();
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}
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$stream->expect(\Twig_Token::BLOCK_END_TYPE);
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$body = $this->parser->subparse(array($this, 'decideTransChoiceFork'), true);
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$stream->expect(\Twig_Token::BLOCK_END_TYPE);
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$this->checkTransString($body, $lineno);
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return new TransNode($body, $domain, $count, $lineno, $this->getTag());
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}
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public function decideTransChoiceFork($token)
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{
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return $token->test(array('endtranschoice'));
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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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* @param string The tag name
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*/
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public function getTag()
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{
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return 'transchoice';
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}
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}
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@ -0,0 +1,86 @@
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<?php
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namespace Symfony\Bundle\TwigBundle\TokenParser;
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use Symfony\Bundle\TwigBundle\Node\TransNode;
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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.potencier@symfony-project.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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/**
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*
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*
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* @author Fabien Potencier <fabien.potencier@symfony-project.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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public function parse(\Twig_Token $token)
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{
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$lineno = $token->getLine();
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$stream = $this->parser->getStream();
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$domain = new \Twig_Node_Expression_Constant('messages', $lineno);
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if (!$stream->test(\Twig_Token::BLOCK_END_TYPE)) {
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if (!$stream->test('from')) {
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$body = $this->parser->getExpressionParser()->parseExpression();
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}
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if ($stream->test('from')) {
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$stream->next();
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$domain = $this->parser->getExpressionParser()->parseExpression();
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}
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} else {
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$stream->expect(\Twig_Token::BLOCK_END_TYPE);
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$body = $this->parser->subparse(array($this, 'decideTransFork'));
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}
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$stream->expect(\Twig_Token::BLOCK_END_TYPE);
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$this->checkTransString($body, $lineno);
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return new TransNode($body, $domain, null, $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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* @param 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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protected function checkTransString(\Twig_NodeInterface $body, $lineno)
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{
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foreach ($body as $i => $node) {
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if (
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$node instanceof \Twig_Node_Text
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($node instanceof \Twig_Node_Print && $node->expr instanceof \Twig_Node_Expression_Name)
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) {
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continue;
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}
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throw new \Twig_SyntaxError(sprintf('The text to be translated with "trans" can only contain references to simple variables'), $lineno);
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}
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}
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}
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