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<?php |
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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\TableOfContents; |
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use League\CommonMark\Configuration\ConfigurationAwareInterface; |
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use League\CommonMark\Configuration\ConfigurationInterface; |
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use League\CommonMark\Extension\TableOfContents\Node\TableOfContentsPlaceholder; |
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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\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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final class TableOfContentsPlaceholderParser extends AbstractBlockContinueParser |
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{ |
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/** @var TableOfContentsPlaceholder */ |
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private $block; |
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public function __construct() |
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{ |
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$this->block = new TableOfContentsPlaceholder(); |
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} |
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public function getBlock(): AbstractBlock |
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{ |
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return $this->block; |
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} |
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public function tryContinue(Cursor $cursor, BlockContinueParserInterface $activeBlockParser): ?BlockContinue |
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{ |
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return BlockContinue::none(); |
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} |
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public static function blockStartParser(): BlockStartParserInterface |
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{ |
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return new class() implements BlockStartParserInterface, ConfigurationAwareInterface { |
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/** @var ConfigurationInterface */ |
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private $config; |
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public function tryStart(Cursor $cursor, MarkdownParserStateInterface $parserState): ?BlockStart |
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{ |
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$placeholder = $this->config->get('table_of_contents/placeholder'); |
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if ($placeholder === null) { |
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return BlockStart::none(); |
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} |
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// The placeholder must be the only thing on the line |
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if ($cursor->match('/^' . \preg_quote($placeholder, '/') . '$/') === null) { |
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return BlockStart::none(); |
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} |
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return BlockStart::of(new TableOfContentsPlaceholderParser())->at($cursor); |
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} |
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public function setConfiguration(ConfigurationInterface $configuration): void |
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{ |
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$this->config = $configuration; |
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} |
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}; |
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} |
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} |
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thephpleague /
commonmark
