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<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Twig\Extra\Cache\TokenParser;
use Twig\Error\SyntaxError;
use Twig\Extra\Cache\Node\CacheNode;
use Twig\Node\Expression\Filter\RawFilter;
use Twig\Node\Node;
use Twig\Node\PrintNode;
use Twig\Token;
use Twig\TokenParser\AbstractTokenParser;
class CacheTokenParser extends AbstractTokenParser
{
public function parse(Token $token): Node
{
$stream = $this->parser->getStream();
$expressionParser = $this->parser->getExpressionParser();
$key = $expressionParser->parseExpression();
$ttl = null;
$tags = null;
while ($stream->test(Token::NAME_TYPE)) {
$k = $stream->getCurrent()->getValue();
if (!in_array($k, ['ttl', 'tags'])) {
throw new SyntaxError(\sprintf('Unknown "%s" configuration.', $k), $stream->getCurrent()->getLine(), $stream->getSourceContext());
}
$stream->next();
$stream->expect(Token::PUNCTUATION_TYPE, '(');
$line = $stream->getCurrent()->getLine();
if ($stream->test(Token::PUNCTUATION_TYPE, ')')) {
throw new SyntaxError(\sprintf('The "%s" modifier takes exactly one argument (0 given).', $k), $line, $stream->getSourceContext());
}
$arg = $expressionParser->parseExpression();
if ($stream->test(Token::PUNCTUATION_TYPE, ',')) {
throw new SyntaxError(\sprintf('The "%s" modifier takes exactly one argument (2 given).', $k), $line, $stream->getSourceContext());
}
$stream->expect(Token::PUNCTUATION_TYPE, ')');
if ('ttl' === $k) {
$ttl = $arg;
} elseif ('tags' === $k) {
$tags = $arg;
}
}
$stream->expect(Token::BLOCK_END_TYPE);
$body = $this->parser->subparse([$this, 'decideCacheEnd'], true);
$stream->expect(Token::BLOCK_END_TYPE);
$body = new CacheNode($key, $ttl, $tags, $body, $token->getLine());
return new PrintNode(new RawFilter($body), $token->getLine());
}
public function decideCacheEnd(Token $token): bool
{
return $token->test('endcache');
}
public function getTag(): string
{
return 'cache';
}
}
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