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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\Embed; |
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use League\CommonMark\Event\DocumentParsedEvent; |
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use League\CommonMark\Extension\CommonMark\Node\Inline\Link; |
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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\Node\NodeIterator; |
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final class EmbedProcessor |
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{ |
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public const FALLBACK_REMOVE = 'remove'; |
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public const FALLBACK_LINK = 'link'; |
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private EmbedAdapterInterface $adapter; |
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private string $fallback; |
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public function __construct(EmbedAdapterInterface $adapter, string $fallback = self::FALLBACK_REMOVE) |
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{ |
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$this->adapter = $adapter; |
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$this->fallback = $fallback; |
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} |
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public function __invoke(DocumentParsedEvent $event): void |
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{ |
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$document = $event->getDocument(); |
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$embeds = []; |
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foreach (new NodeIterator($document) as $node) { |
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if (! ($node instanceof Embed)) { |
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continue; |
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} |
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if ($node->parent() !== $document) { |
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$replacement = new Paragraph(); |
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$replacement->appendChild(new Text($node->getUrl())); |
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$node->replaceWith($replacement); |
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} else { |
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$embeds[] = $node; |
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} |
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} |
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if ($embeds) { |
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$this->adapter->updateEmbeds($embeds); |
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} |
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foreach ($embeds as $embed) { |
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if ($embed->getEmbedCode() !== null) { |
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continue; |
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} |
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if ($this->fallback === self::FALLBACK_REMOVE) { |
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$embed->detach(); |
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} elseif ($this->fallback === self::FALLBACK_LINK) { |
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$paragraph = new Paragraph(); |
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$paragraph->appendChild(new Link($embed->getUrl(), $embed->getUrl())); |
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$embed->replaceWith($paragraph); |
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} |
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} |
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} |
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} |
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thephpleague /
commonmark
