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91 lines
2.7 KiB
91 lines
2.7 KiB
<?php
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/*
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* This file is part of Twig.
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*
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* (c) 2010-2019 Fabien Potencier
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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 Twig\Extensions\TokenParser;
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use Twig\Error\SyntaxError;
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use Twig\Extensions\Node\TransNode;
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use Twig\Node\Expression\NameExpression;
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use Twig\Node\Node;
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use Twig\Node\PrintNode;
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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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class TransTokenParser extends AbstractTokenParser
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{
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public function parse(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 = null;
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$plural = null;
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$notes = null;
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if (!$stream->test(Token::BLOCK_END_TYPE)) {
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$body = $this->parser->getExpressionParser()->parseExpression();
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} else {
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$stream->expect(Token::BLOCK_END_TYPE);
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$body = $this->parser->subparse([$this, 'decideForFork']);
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$next = $stream->next()->getValue();
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if ('plural' === $next) {
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$count = $this->parser->getExpressionParser()->parseExpression();
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$stream->expect(Token::BLOCK_END_TYPE);
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$plural = $this->parser->subparse([$this, 'decideForFork']);
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if ('notes' === $stream->next()->getValue()) {
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$stream->expect(Token::BLOCK_END_TYPE);
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$notes = $this->parser->subparse([$this, 'decideForEnd'], true);
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}
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} elseif ('notes' === $next) {
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$stream->expect(Token::BLOCK_END_TYPE);
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$notes = $this->parser->subparse([$this, 'decideForEnd'], true);
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}
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}
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$stream->expect(Token::BLOCK_END_TYPE);
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$this->checkTransString($body, $lineno);
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return new TransNode($body, $plural, $count, $notes, $lineno, $this->getTag());
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}
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public function decideForFork(Token $token)
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{
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return $token->test(['plural', 'notes', 'endtrans']);
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}
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public function decideForEnd(Token $token)
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{
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return $token->test('endtrans');
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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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private function checkTransString(Node $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 TextNode
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($node instanceof PrintNode && $node->getNode('expr') instanceof NameExpression)
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) {
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continue;
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}
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throw new 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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