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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\ElementRendererInterface; |
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use League\CommonMark\Extension\Footnote\Node\FootnoteBackref; |
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use League\CommonMark\HtmlElement; |
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use League\CommonMark\Inline\Element\AbstractInline; |
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use League\CommonMark\Inline\Renderer\InlineRendererInterface; |
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use League\CommonMark\Util\ConfigurationAwareInterface; |
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use League\CommonMark\Util\ConfigurationInterface; |
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final class FootnoteBackrefRenderer implements InlineRendererInterface, ConfigurationAwareInterface |
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{ |
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/** @var ConfigurationInterface */ |
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private $config; |
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public function render(AbstractInline $inline, ElementRendererInterface $htmlRenderer) |
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{ |
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if (!($inline instanceof FootnoteBackref)) { |
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throw new \InvalidArgumentException('Incompatible inline type: ' . \get_class($inline)); |
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} |
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$attrs = $inline->getData('attributes', []); |
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$attrs['class'] = $attrs['class'] ?? $this->config->get('footnote/backref_class', 'footnote-backref'); |
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$attrs['rev'] = 'footnote'; |
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$attrs['href'] = \mb_strtolower($inline->getReference()->getDestination()); |
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$attrs['role'] = 'doc-backlink'; |
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return ' ' . new HtmlElement('a', $attrs, '↩', true); |
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} |
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public function setConfiguration(ConfigurationInterface $configuration) |
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{ |
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$this->config = $configuration; |
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} |
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} |
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thephpleague /
commonmark
