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msd2/phpBB3/vendor/symfony/twig-bridge/TokenParser/TransTokenParser.php

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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\TokenParser;
+
+use Symfony\Bridge\Twig\Node\TransNode;
+use Twig\Error\SyntaxError;
+use Twig\Node\Expression\AbstractExpression;
+use Twig\Node\Expression\ArrayExpression;
+use Twig\Node\Node;
+use Twig\Node\TextNode;
+use Twig\Token;
+use Twig\TokenParser\AbstractTokenParser;
+
+/**
+ * Token Parser for the 'trans' tag.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class TransTokenParser extends AbstractTokenParser
+{
+    /**
+     * Parses a token and returns a node.
+     *
+     * @return Node
+     *
+     * @throws SyntaxError
+     */
+    public function parse(Token $token)
+    {
+        $lineno = $token->getLine();
+        $stream = $this->parser->getStream();
+
+        $vars = new ArrayExpression(array(), $lineno);
+        $domain = null;
+        $locale = null;
+        if (!$stream->test(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(Token::BLOCK_END_TYPE)) {
+                throw new SyntaxError('Unexpected token. Twig was looking for the "with", "from", or "into" keyword.', $stream->getCurrent()->getLine(), $stream->getSourceContext()->getName());
+            }
+        }
+
+        // {% trans %}message{% endtrans %}
+        $stream->expect(Token::BLOCK_END_TYPE);
+        $body = $this->parser->subparse(array($this, 'decideTransFork'), true);
+
+        if (!$body instanceof TextNode && !$body instanceof AbstractExpression) {
+            throw new SyntaxError('A message inside a trans tag must be a simple text.', $body->getTemplateLine(), $stream->getSourceContext()->getName());
+        }
+
+        $stream->expect(Token::BLOCK_END_TYPE);
+
+        return new TransNode($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';
+    }
+}