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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\Renderer; |
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use League\CommonMark\Extension\Footnote\Node\FootnoteBackref; |
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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\CommonMark\Util\HtmlElement; |
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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 FootnoteBackrefRenderer implements NodeRendererInterface, XmlNodeRendererInterface, ConfigurationAwareInterface |
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{ |
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public const DEFAULT_SYMBOL = '↩'; |
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/** @var ConfigurationInterface */ |
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private $config; |
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/** |
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* @param FootnoteBackref $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 $childRenderer) |
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{ |
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FootnoteBackref::assertInstanceOf($node); |
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$attrs = $node->data->getData('attributes'); |
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$attrs->append('class', $this->config->get('footnote/backref_class')); |
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$attrs->set('rev', 'footnote'); |
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$attrs->set('href', \mb_strtolower($node->getReference()->getDestination())); |
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$attrs->set('role', 'doc-backlink'); |
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$symbol = $this->config->get('footnote/backref_symbol'); |
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\assert(\is_string($symbol)); |
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return ' ' . new HtmlElement('a', $attrs->export(), \htmlspecialchars($symbol), true); |
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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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public function getXmlTagName(Node $node): string |
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{ |
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return 'footnote_backref'; |
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} |
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/** |
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* @param FootnoteBackref $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 $node): array |
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{ |
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FootnoteBackref::assertInstanceOf($node); |
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return [ |
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'reference' => $node->getReference()->getLabel(), |
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]; |
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} |
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} |
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thephpleague /
commonmark
