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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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* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js) |
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* - (c) John MacFarlane |
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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\Renderer\Inline; |
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use League\CommonMark\Extension\CommonMark\Node\Inline\Image; |
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use League\CommonMark\Node\Inline\Newline; |
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use League\CommonMark\Node\Node; |
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use League\CommonMark\Node\NodeIterator; |
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use League\CommonMark\Node\StringContainerInterface; |
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use League\CommonMark\Renderer\ChildNodeRendererInterface; |
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use League\CommonMark\Renderer\NodeRendererInterface; |
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use League\CommonMark\Util\HtmlElement; |
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use League\CommonMark\Util\RegexHelper; |
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use League\CommonMark\Xml\XmlNodeRendererInterface; |
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use League\Config\ConfigurationAwareInterface; |
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use League\Config\ConfigurationInterface; |
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final class ImageRenderer implements NodeRendererInterface, XmlNodeRendererInterface, ConfigurationAwareInterface |
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{ |
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/** @psalm-readonly-allow-private-mutation */ |
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private ConfigurationInterface $config; |
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/** |
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* @param Image $node |
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* |
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* {@inheritDoc} |
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* |
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* @psalm-suppress MoreSpecificImplementedParamType |
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*/ |
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public function render(Node $node, ChildNodeRendererInterface $childRenderer): \Stringable |
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{ |
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Image::assertInstanceOf($node); |
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$attrs = $node->data->get('attributes'); |
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$forbidUnsafeLinks = ! $this->config->get('allow_unsafe_links'); |
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if ($forbidUnsafeLinks && RegexHelper::isLinkPotentiallyUnsafe($node->getUrl())) { |
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$attrs['src'] = ''; |
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} else { |
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$attrs['src'] = $node->getUrl(); |
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} |
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$attrs['alt'] = $this->getAltText($node); |
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if (($title = $node->getTitle()) !== null) { |
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$attrs['title'] = $title; |
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} |
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return new HtmlElement('img', $attrs, '', true); |
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} |
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2178 |
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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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public function getXmlTagName(Node $node): string |
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{ |
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return 'image'; |
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} |
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/** |
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* @param Image $node |
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* |
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* @return array<string, scalar> |
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* |
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* @psalm-suppress MoreSpecificImplementedParamType |
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*/ |
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public function getXmlAttributes(Node $node): array |
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{ |
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Image::assertInstanceOf($node); |
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return [ |
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'destination' => $node->getUrl(), |
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'title' => $node->getTitle() ?? '', |
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]; |
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} |
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private function getAltText(Image $node): string |
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{ |
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$altText = ''; |
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foreach ((new NodeIterator($node)) as $n) { |
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if ($n instanceof StringContainerInterface) { |
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$altText .= $n->getLiteral(); |
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} elseif ($n instanceof Newline) { |
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$altText .= "\n"; |
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} |
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} |
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return $altText; |
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} |
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} |
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thephpleague /
commonmark
