90 lines
2.8 KiB
PHP
90 lines
2.8 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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use Twig\Error\SyntaxError;
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use Twig\Node\Expression\AbstractExpression;
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use Twig\Node\Expression\ArrayExpression;
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use Twig\Node\Node;
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use Twig\Node\TextNode;
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use Twig\Token;
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use Twig\TokenParser\AbstractTokenParser;
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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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final class TransTokenParser extends AbstractTokenParser
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{
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public function parse(Token $token): Node
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{
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$lineno = $token->getLine();
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$stream = $this->parser->getStream();
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$count = null;
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$vars = new ArrayExpression([], $lineno);
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$domain = null;
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$locale = null;
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if (!$stream->test(Token::BLOCK_END_TYPE)) {
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if ($stream->test('count')) {
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// {% trans count 5 %}
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$stream->next();
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$count = $this->parser->getExpressionParser()->parseExpression();
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}
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if ($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(Token::BLOCK_END_TYPE)) {
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throw new SyntaxError('Unexpected token. Twig was looking for the "with", "from", or "into" keyword.', $stream->getCurrent()->getLine(), $stream->getSourceContext());
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}
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}
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// {% trans %}message{% endtrans %}
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$stream->expect(Token::BLOCK_END_TYPE);
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$body = $this->parser->subparse($this->decideTransFork(...), true);
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if (!$body instanceof TextNode && !$body instanceof AbstractExpression) {
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throw new SyntaxError('A message inside a trans tag must be a simple text.', $body->getTemplateLine(), $stream->getSourceContext());
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}
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$stream->expect(Token::BLOCK_END_TYPE);
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return new TransNode($body, $domain, $count, $vars, $locale, $lineno, $this->getTag());
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}
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public function decideTransFork(Token $token): bool
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{
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return $token->test(['endtrans']);
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}
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public function getTag(): string
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{
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return 'trans';
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}
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}
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