<?php

namespace League\CommonMark\Extension\CommonMark\Parser\Block;

use League\CommonMark\Extension\CommonMark\Node\Block\ListBlock;
use League\CommonMark\Extension\CommonMark\Node\Block\ListData;
use League\CommonMark\Extension\CommonMark\Node\Block\ListItem;
use League\CommonMark\Node\Block\AbstractBlock;
use League\CommonMark\Parser\Block\AbstractBlockContinueParser;
use League\CommonMark\Parser\Block\BlockContinue;
use League\CommonMark\Parser\Block\BlockContinueParserInterface;
use League\CommonMark\Parser\Cursor;

final class ListBlockParser extends AbstractBlockContinueParser
{
    /** @psalm-readonly */
    private ListBlock $block;
    private bool $hadBlankLine = false;
    private int $linesAfterBlank = 0;

    public function __construct(ListData $listData)
    {
        $this->block = new ListBlock($listData);
    }

    public function getBlock(): ListBlock
    {
        return $this->block;
    }

    public function isContainer(): bool
    {
        return true;
    }

    public function canContain(AbstractBlock $childBlock): bool
    {
        if (! $childBlock instanceof ListItem) {
            return false;
        }

        // Another list item is being added to this list block.
        // If the previous line was blank, that means this list
        // block is "loose" (not tight).
        if ($this->hadBlankLine && $this->linesAfterBlank === 1) {
            $this->block->setTight(false);
            $this->hadBlankLine = false;
        }

        return true;
    }

    public function tryContinue(Cursor $cursor, BlockContinueParserInterface $activeBlockParser): ?BlockContinue
    {
        if ($cursor->isBlank()) {
            $this->hadBlankLine    = true;
            $this->linesAfterBlank = 0;
        } elseif ($this->hadBlankLine) {
            $this->linesAfterBlank++;
        }

        // List blocks themselves don't have any markers, only list items. So try to stay in the list.
        // If there is a block start other than list item, canContain makes sure that this list is closed.
        return BlockContinue::at($cursor);
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MTUzNDI4MjYyNjQwMTc4OCA0NDE5MjkzMTc1MDA0MjgyIDYxNTQ0NTE0NzgxOTkwMDk=