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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the league/commonmark package. |
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* |
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* (c) Colin O'Dell <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace League\CommonMark\Extension\CommonMark\Parser\Block; |
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use League\CommonMark\Extension\CommonMark\Node\Block\ListBlock; |
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use League\CommonMark\Extension\CommonMark\Node\Block\ListData; |
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use League\CommonMark\Extension\CommonMark\Node\Block\ListItem; |
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use League\CommonMark\Node\Block\AbstractBlock; |
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use League\CommonMark\Parser\Block\AbstractBlockContinueParser; |
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use League\CommonMark\Parser\Block\BlockContinue; |
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use League\CommonMark\Parser\Block\BlockContinueParserInterface; |
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use League\CommonMark\Parser\Cursor; |
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final class ListBlockParser extends AbstractBlockContinueParser |
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{ |
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/** @psalm-readonly */ |
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private ListBlock $block; |
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216 |
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public function __construct(ListData $listData) |
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{ |
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$this->block = new ListBlock($listData); |
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} |
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216 |
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public function getBlock(): ListBlock |
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{ |
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return $this->block; |
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} |
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204 |
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public function isContainer(): bool |
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{ |
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return true; |
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} |
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204 |
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public function canContain(AbstractBlock $childBlock): bool |
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{ |
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return $childBlock instanceof ListItem; |
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} |
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public function tryContinue(Cursor $cursor, BlockContinueParserInterface $activeBlockParser): BlockContinue|null |
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{ |
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// List blocks themselves don't have any markers, only list items. So try to stay in the list. |
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// If there is a block start other than list item, canContain makes sure that this list is closed. |
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return BlockContinue::at($cursor); |
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} |
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204 |
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public function closeBlock(): void |
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{ |
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$item = $this->block->firstChild(); |
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204 |
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while ($item) { |
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// check for non-final list item ending with blank line: |
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204 |
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if ($item->next() !== null && self::endsWithBlankLine($item)) { |
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$this->block->setTight(false); |
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break; |
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} |
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// recurse into children of list item, to see if there are spaces between any of them |
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$subitem = $item->firstChild(); |
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while ($subitem) { |
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if ($subitem->next() && self::endsWithBlankLine($subitem)) { |
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$this->block->setTight(false); |
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break 2; |
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} |
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$subitem = $subitem->next(); |
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} |
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$item = $item->next(); |
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} |
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$this->block->setEndLine($this->block->lastChild()->getEndLine()); |
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} |
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private static function endsWithBlankLine(AbstractBlock $block): bool |
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{ |
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return $block->next() !== null && $block->getEndLine() !== $block->next()->getStartLine() - 1; |
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} |
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} |
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thephpleague /
commonmark
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