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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\DisallowedRawHtml; |
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use League\CommonMark\Node\Node; |
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use League\CommonMark\Renderer\ChildNodeRendererInterface; |
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use League\CommonMark\Renderer\NodeRendererInterface; |
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use League\Config\ConfigurationAwareInterface; |
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use League\Config\ConfigurationInterface; |
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final class DisallowedRawHtmlRenderer implements NodeRendererInterface, ConfigurationAwareInterface |
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{ |
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/** @psalm-readonly */ |
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private NodeRendererInterface $innerRenderer; |
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/** @psalm-readonly-allow-private-mutation */ |
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private ConfigurationInterface $config; |
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public function __construct(NodeRendererInterface $innerRenderer) |
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{ |
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$this->innerRenderer = $innerRenderer; |
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} |
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public function render(Node $node, ChildNodeRendererInterface $childRenderer): ?string |
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{ |
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$rendered = (string) $this->innerRenderer->render($node, $childRenderer); |
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if ($rendered === '') { |
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return ''; |
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} |
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$tags = (array) $this->config->get('disallowed_raw_html/disallowed_tags'); |
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if (\count($tags) === 0) { |
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return $rendered; |
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} |
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$regex = \sprintf('/<(\/?(?:%s)[ \/>])/i', \implode('|', \array_map('preg_quote', $tags))); |
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// Match these types of tags: <title> </title> <title x="sdf"> <title/> <title /> |
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return \preg_replace($regex, '<$1', $rendered); |
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} |
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public function setConfiguration(ConfigurationInterface $configuration): void |
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{ |
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$this->config = $configuration; |
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if ($this->innerRenderer instanceof ConfigurationAwareInterface) { |
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$this->innerRenderer->setConfiguration($configuration); |
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} |
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} |
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} |
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thephpleague /
commonmark
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