Subversion-Projekte lars-tiefland.laravel_shop

<?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\Extension\TableOfContents\Normalizer;

use League\CommonMark\Extension\CommonMark\Node\Block\ListBlock;

use League\CommonMark\Extension\CommonMark\Node\Block\ListItem;

use League\CommonMark\Extension\TableOfContents\Node\TableOfContents;

final class AsIsNormalizerStrategy implements NormalizerStrategyInterface

{

    /** @psalm-readonly-allow-private-mutation */

    private ListBlock $parentListBlock;

    /** @psalm-readonly-allow-private-mutation */

    private int $parentLevel = 1;

    /** @psalm-readonly-allow-private-mutation */

    private ?ListItem $lastListItem = null;

    public function __construct(TableOfContents $toc)

    {

        $this->parentListBlock = $toc;

    }

    public function addItem(int $level, ListItem $listItemToAdd): void

    {

        while ($level > $this->parentLevel) {

            // Descend downwards, creating new ListBlocks if needed, until we reach the correct depth

            if ($this->lastListItem === null) {

                $this->lastListItem = new ListItem($this->parentListBlock->getListData());

                $this->parentListBlock->appendChild($this->lastListItem);

            }

            $newListBlock = new ListBlock($this->parentListBlock->getListData());

            $newListBlock->setStartLine($listItemToAdd->getStartLine());

            $newListBlock->setEndLine($listItemToAdd->getEndLine());

            $this->lastListItem->appendChild($newListBlock);

            $this->parentListBlock = $newListBlock;

            $this->lastListItem    = null;

            $this->parentLevel++;

        }

        while ($level < $this->parentLevel) {

            // Search upwards for the previous parent list block

            $search = $this->parentListBlock;

            while ($search = $search->parent()) {

                if ($search instanceof ListBlock) {

                    $this->parentListBlock = $search;

                    break;

                }

            }

            $this->parentLevel--;

        }

        $this->parentListBlock->appendChild($listItemToAdd);

        $this->lastListItem = $listItemToAdd;

    }

}