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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\HtmlBlock; |
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use League\CommonMark\Node\Block\Paragraph; |
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use League\CommonMark\Parser\Block\BlockStart; |
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use League\CommonMark\Parser\Block\BlockStartParserInterface; |
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use League\CommonMark\Parser\Cursor; |
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use League\CommonMark\Parser\MarkdownParserStateInterface; |
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use League\CommonMark\Util\RegexHelper; |
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final class HtmlBlockStartParser implements BlockStartParserInterface |
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{ |
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2004 |
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public function tryStart(Cursor $cursor, MarkdownParserStateInterface $parserState): ?BlockStart |
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{ |
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2004 |
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if ($cursor->isIndented() || $cursor->getNextNonSpaceCharacter() !== '<') { |
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1755 |
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return BlockStart::none(); |
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} |
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312 |
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$tmpCursor = clone $cursor; |
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312 |
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$tmpCursor->advanceToNextNonSpaceOrTab(); |
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312 |
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$line = $tmpCursor->getRemainder(); |
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312 |
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for ($blockType = 1; $blockType <= 7; $blockType++) { |
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/** @psalm-var HtmlBlock::TYPE_* $blockType */ |
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/** @phpstan-var HtmlBlock::TYPE_* $blockType */ |
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312 |
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$match = RegexHelper::matchAt( |
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312 |
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RegexHelper::getHtmlBlockOpenRegex($blockType), |
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$line |
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); |
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312 |
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if ($match !== null && ($blockType < 7 || $this->isType7BlockAllowed($cursor, $parserState))) { |
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return BlockStart::of(new HtmlBlockParser($blockType))->at($cursor); |
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} |
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} |
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return BlockStart::none(); |
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} |
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private function isType7BlockAllowed(Cursor $cursor, MarkdownParserStateInterface $parserState): bool |
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{ |
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// Type 7 blocks can't interrupt paragraphs |
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if ($parserState->getLastMatchedBlockParser()->getBlock() instanceof Paragraph) { |
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return false; |
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} |
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// Even lazy ones |
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return $cursor->isBlank() || ! $parserState->getActiveBlockParser()->canHaveLazyContinuationLines(); |
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} |
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} |
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thephpleague /
commonmark
