<?php
declare(strict_types=1);
/*
* This file is part of Twig I18n extension.
*
* (c) 2010-2019 Fabien Potencier
* (c) 2019-2021 phpMyAdmin contributors
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace PhpMyAdmin\Twig\Extensions\TokenParser;
use PhpMyAdmin\Twig\Extensions\Node\TransNode;
use Twig\Error\SyntaxError;
use Twig\Node\Expression\NameExpression;
use Twig\Node\Node;
use Twig\Node\PrintNode;
use Twig\Node\TextNode;
use Twig\Token;
use Twig\TokenParser\AbstractTokenParser;
class TransTokenParser extends AbstractTokenParser
{
/**
* {@inheritdoc}
*/
public function parse(Token $token)
{
[
$body,
$plural,
$count,
$context,
$notes,
$domain,
$lineno,
$tag,
] = $this->preParse($token);
return new TransNode($body, $plural, $count, $context, $notes, $domain, $lineno, $tag);
}
protected function preParse(Token $token): array
{
$lineno = $token->getLine();
$stream = $this->parser->getStream();
$domain = null;
$count = null;
$plural = null;
$notes = null;
$context = null;
/* If we aren't closing the block, do we have a domain? */
if ($stream->test(Token::NAME_TYPE)) {
$stream->expect(Token::NAME_TYPE, 'from');
$domain = $this->parser->getExpressionParser()->parseExpression();
}
if (! $stream->test(Token::BLOCK_END_TYPE)) {
$body = $this->parser->getExpressionParser()->parseExpression();
} else {
$stream->expect(Token::BLOCK_END_TYPE);
$body = $this->parser->subparse([$this, 'decideForFork']);
$next = $stream->next()->getValue();
if ($next === 'plural') {
$count = $this->parser->getExpressionParser()->parseExpression();
$stream->expect(Token::BLOCK_END_TYPE);
$plural = $this->parser->subparse([$this, 'decideForFork']);
$next = $stream->next()->getValue();
if ($next === 'notes') {
$stream->expect(Token::BLOCK_END_TYPE);
$notes = $this->parser->subparse([$this, 'decideForEnd'], true);
} elseif ($next === 'context') {
$stream->expect(Token::BLOCK_END_TYPE);
$context = $this->parser->subparse([$this, 'decideForEnd'], true);
}
} elseif ($next === 'context') {
$stream->expect(Token::BLOCK_END_TYPE);
$context = $this->parser->subparse([$this, 'decideForEnd'], true);
} elseif ($next === 'notes') {
$stream->expect(Token::BLOCK_END_TYPE);
$notes = $this->parser->subparse([$this, 'decideForEnd'], true);
}
}
$stream->expect(Token::BLOCK_END_TYPE);
$this->checkTransString($body, $lineno);
return [$body, $plural, $count, $context, $notes, $domain, $lineno, $this->getTag()];
}
/**
* @return bool
*/
public function decideForFork(Token $token)
{
return $token->test(['plural', 'context', 'notes', 'endtrans']);
}
/**
* @return bool
*/
public function decideForEnd(Token $token)
{
return $token->test('endtrans');
}
/**
* {@inheritdoc}
*/
public function getTag()
{
return 'trans';
}
/**
* @return void
*
* @throws SyntaxError
*/
protected function checkTransString(Node $body, int $lineno)
{
foreach ($body as $i => $node) {
if (
$node instanceof TextNode
||
($node instanceof PrintNode && $node->getNode('expr') instanceof NameExpression)
) {
continue;
}
throw new SyntaxError(
'The text to be translated with "trans" can only contain references to simple variables.',
$lineno
);
}
}
}