Viewing file:  ListBlock.php (2.89 KB) -rw-r--r--
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<?php
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
* - (c) John MacFarlane
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Block\Element;
use League\CommonMark\ContextInterface;
use League\CommonMark\Cursor;
/**
* @method children() AbstractBlock[]
*/
class ListBlock extends AbstractBlock
{
const TYPE_BULLET = 'bullet';
const TYPE_ORDERED = 'ordered';
/**
* @deprecated This constant is deprecated in league/commonmark 1.4 and will be removed in 2.0; use TYPE_BULLET instead
*/
const TYPE_UNORDERED = self::TYPE_BULLET;
/**
* @var bool
*/
protected $tight = false;
/**
* @var ListData
*/
protected $listData;
public function __construct(ListData $listData)
{
$this->listData = $listData;
}
/**
* @return ListData
*/
public function getListData(): ListData
{
return $this->listData;
}
public function endsWithBlankLine(): bool
{
if ($this->lastLineBlank) {
return true;
}
if ($this->hasChildren()) {
return $this->lastChild() instanceof AbstractBlock && $this->lastChild()->endsWithBlankLine();
}
return false;
}
public function canContain(AbstractBlock $block): bool
{
return $block instanceof ListItem;
}
public function isCode(): bool
{
return false;
}
public function matchesNextLine(Cursor $cursor): bool
{
return true;
}
public function finalize(ContextInterface $context, int $endLineNumber)
{
parent::finalize($context, $endLineNumber);
$this->tight = true; // tight by default
foreach ($this->children() as $item) {
if (!($item instanceof AbstractBlock)) {
continue;
}
// check for non-final list item ending with blank line:
if ($item->endsWithBlankLine() && $item !== $this->lastChild()) {
$this->tight = false;
break;
}
// Recurse into children of list item, to see if there are
// spaces between any of them:
foreach ($item->children() as $subItem) {
if ($subItem instanceof AbstractBlock && $subItem->endsWithBlankLine() && ($item !== $this->lastChild() || $subItem !== $item->lastChild())) {
$this->tight = false;
break;
}
}
}
}
public function isTight(): bool
{
return $this->tight;
}
public function setTight(bool $tight): self
{
$this->tight = $tight;
return $this;
}
}
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