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File Content: NodeIterator.php

<?php

declare(strict_types=1);

/*
 * This file is part of the league/commonmark package.
 *
 * (c) Colin O'Dell <colinodell@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace League\CommonMark\Node;

use League\CommonMark\Node\Block\AbstractBlock;

/**
 * @implements \IteratorAggregate<int, Node>
 */
final class NodeIterator implements \IteratorAggregate
{
    public const FLAG_BLOCKS_ONLY = 1;

private Node $node;
    private bool $blocksOnly;

public function __construct(Node $node, int $flags = 0)
    {
        $this->node       = $node;
        $this->blocksOnly = ($flags & self::FLAG_BLOCKS_ONLY) === self::FLAG_BLOCKS_ONLY;
    }

/**
     * @return \Generator<int, Node>
     */
    public function getIterator(): \Generator
    {
        $stack = [$this->node];
        $index = 0;

while ($stack) {
            $node = \array_pop($stack);

yield $index++ => $node;

// Push all children onto the stack in reverse order
            $child = $node->lastChild();
            while ($child !== null) {
                if (! $this->blocksOnly || $child instanceof AbstractBlock) {
                    $stack[] = $child;
                }

$child = $child->previous();
            }
        }
    }
}

Name	Size	Permission
Block	---	0755
Inline	---	0755
Query	---	0755
Node.php	6466 bytes	0644
NodeIterator.php	1378 bytes	0644
NodeWalker.php	2201 bytes	0644
NodeWalkerEvent.php	893 bytes	0644
Query.php	3312 bytes	0644
RawMarkupContainerInterface.php	465 bytes	0644
StringContainerHelper.php	1356 bytes	0644
StringContainerInterface.php	640 bytes	0644

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0755