Na}{

File Content: `BlockTokenParser.php`

<?php

/*
 * This file is part of Twig.
 *
 * (c) Fabien Potencier
 * (c) Armin Ronacher
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Twig\TokenParser;

use Twig\Error\SyntaxError;
use Twig\Node\BlockNode;
use Twig\Node\BlockReferenceNode;
use Twig\Node\Node;
use Twig\Node\PrintNode;
use Twig\Token;

/**
 * Marks a section of a template as being reusable.
 *
 *  {% block head %}
 *    <link rel="stylesheet" href="style.css" />
 *    <title>{% block title %}{% endblock %} - My Webpage</title>
 *  {% endblock %}
 *
 * @internal
 */
final class BlockTokenParser extends AbstractTokenParser
{
    public function parse(Token $token): Node
    {
        $lineno = $token->getLine();
        $stream = $this->parser->getStream();
        $name = $stream->expect(/* Token::NAME_TYPE */ 5)->getValue();
        if ($this->parser->hasBlock($name)) {
            throw new SyntaxError(sprintf("The block '%s' has already been defined line %d.", $name, $this->parser->getBlock($name)->getTemplateLine()), $stream->getCurrent()->getLine(), $stream->getSourceContext());
        }
        $this->parser->setBlock($name, $block = new BlockNode($name, new Node([]), $lineno));
        $this->parser->pushLocalScope();
        $this->parser->pushBlockStack($name);

        if ($stream->nextIf(/* Token::BLOCK_END_TYPE */ 3)) {
            $body = $this->parser->subparse([$this, 'decideBlockEnd'], true);
            if ($token = $stream->nextIf(/* Token::NAME_TYPE */ 5)) {
                $value = $token->getValue();

                if ($value != $name) {
                    throw new SyntaxError(sprintf('Expected endblock for block "%s" (but "%s" given).', $name, $value), $stream->getCurrent()->getLine(), $stream->getSourceContext());
                }
            }
        } else {
            $body = new Node([
                new PrintNode($this->parser->getExpressionParser()->parseExpression(), $lineno),
            ]);
        }
        $stream->expect(/* Token::BLOCK_END_TYPE */ 3);

        $block->setNode('body', $body);
        $this->parser->popBlockStack();
        $this->parser->popLocalScope();

        return new BlockReferenceNode($name, $lineno, $this->getTag());
    }

    public function decideBlockEnd(Token $token): bool
    {
        return $token->test('endblock');
    }

    public function getTag(): string
    {
        return 'block';
    }
}

Name	Size	Permission
AbstractTokenParser.php	573 bytes	0750
ApplyTokenParser.php	1492 bytes	0750
AutoEscapeTokenParser.php	1582 bytes	0750
BlockTokenParser.php	2479 bytes	0750
DeprecatedTokenParser.php	969 bytes	0750
DoTokenParser.php	780 bytes	0750
EmbedTokenParser.php	2272 bytes	0750
ExtendsTokenParser.php	1362 bytes	0750
FlushTokenParser.php	708 bytes	0750
ForTokenParser.php	2287 bytes	0750
FromTokenParser.php	1681 bytes	0750
IfTokenParser.php	2503 bytes	0750
ImportTokenParser.php	1176 bytes	0750
IncludeTokenParser.php	1628 bytes	0750
MacroTokenParser.php	1893 bytes	0750
SandboxTokenParser.php	1812 bytes	0750
SetTokenParser.php	2087 bytes	0750
TokenParserInterface.php	875 bytes	0750
UseTokenParser.php	1976 bytes	0750
WithTokenParser.php	1301 bytes	0750

File Content: BlockTokenParser.php

File Content: `BlockTokenParser.php`