Viewing file:  ListItemParser.php (2.36 KB) -rw-rw-rw-
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<?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\CommonMark\Parser\Block;
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 ListItemParser extends AbstractBlockContinueParser
{
/** @psalm-readonly */
private ListItem $block;
public function __construct(ListData $listData)
{
$this->block = new ListItem($listData);
}
public function getBlock(): ListItem
{
return $this->block;
}
public function isContainer(): bool
{
return true;
}
public function canContain(AbstractBlock $childBlock): bool
{
return ! $childBlock instanceof ListItem;
}
public function tryContinue(Cursor $cursor, BlockContinueParserInterface $activeBlockParser): ?BlockContinue
{
if ($cursor->isBlank()) {
if ($this->block->firstChild() === null) {
// Blank line after empty list item
return BlockContinue::none();
}
$cursor->advanceToNextNonSpaceOrTab();
return BlockContinue::at($cursor);
}
$contentIndent = $this->block->getListData()->markerOffset + $this->getBlock()->getListData()->padding;
if ($cursor->getIndent() >= $contentIndent) {
$cursor->advanceBy($contentIndent, true);
return BlockContinue::at($cursor);
}
// Note: We'll hit this case for lazy continuation lines, they will get added later.
return BlockContinue::none();
}
public function closeBlock(): void
{
if (($lastChild = $this->block->lastChild()) instanceof AbstractBlock) {
$this->block->setEndLine($lastChild->getEndLine());
} else {
// Empty list item
$this->block->setEndLine($this->block->getStartLine());
}
}
}
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