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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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* (c) Rezo Zero / Ambroise Maupate |
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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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declare(strict_types=1); |
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namespace League\CommonMark\Extension\Footnote\Event; |
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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\Event\DocumentParsedEvent; |
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use League\CommonMark\Extension\Footnote\Node\Footnote; |
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use League\CommonMark\Extension\Footnote\Node\FootnoteBackref; |
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use League\CommonMark\Extension\Footnote\Node\FootnoteRef; |
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use League\CommonMark\Node\Block\Paragraph; |
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use League\CommonMark\Node\Inline\Text; |
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use League\CommonMark\Reference\Reference; |
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final class AnonymousFootnotesListener implements ConfigurationAwareInterface |
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{ |
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/** @var ConfigurationInterface */ |
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private $config; |
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public function onDocumentParsed(DocumentParsedEvent $event): void |
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{ |
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$document = $event->getDocument(); |
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$walker = $document->walker(); |
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while ($event = $walker->next()) { |
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if (! $event->isEntering()) { |
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continue; |
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} |
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$node = $event->getNode(); |
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if (! $node instanceof FootnoteRef || ($text = $node->getContent()) === null) { |
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continue; |
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} |
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// Anonymous footnote needs to create a footnote from its content |
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$existingReference = $node->getReference(); |
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$newReference = new Reference( |
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$existingReference->getLabel(), |
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'#' . $this->config->get('footnote/ref_id_prefix', 'fnref:') . $existingReference->getLabel(), |
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$existingReference->getTitle() |
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); |
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$paragraph = new Paragraph(); |
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$paragraph->appendChild(new Text($text)); |
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$paragraph->appendChild(new FootnoteBackref($newReference)); |
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$footnote = new Footnote($newReference); |
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$footnote->appendChild($paragraph); |
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$document->appendChild($footnote); |
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} |
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} |
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public function setConfiguration(ConfigurationInterface $config): void |
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{ |
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$this->config = $config; |
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} |
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} |
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thephpleague /
commonmark
