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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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* |
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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\HeadingPermalink; |
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use League\CommonMark\ElementRendererInterface; |
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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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/** |
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* Renders the HeadingPermalink elements |
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*/ |
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final class HeadingPermalinkRenderer implements InlineRendererInterface, ConfigurationAwareInterface |
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{ |
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const DEFAULT_INNER_CONTENTS = '<svg class="heading-permalink-icon" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg>'; |
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/** @var ConfigurationInterface */ |
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private $config; |
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/** |
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* {@inheritdoc} |
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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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* {@inheritdoc} |
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*/ |
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public function render(AbstractInline $inline, ElementRendererInterface $htmlRenderer) |
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{ |
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if (!$inline instanceof HeadingPermalink) { |
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throw new \InvalidArgumentException('Incompatible inline type: ' . \get_class($inline)); |
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} |
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$slug = $inline->getSlug(); |
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$idPrefix = (string) $this->config->get('heading_permalink/id_prefix', 'user-content'); |
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if ($idPrefix !== '') { |
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$idPrefix .= '-'; |
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} |
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$attrs = [ |
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'id' => $idPrefix . $slug, |
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'href' => '#' . $slug, |
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'name' => $slug, |
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'class' => $this->config->get('heading_permalink/html_class', 'heading-permalink'), |
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'aria-hidden' => 'true', |
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'title' => $this->config->get('heading_permalink/title', 'Permalink'), |
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]; |
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$innerContents = $this->config->get('heading_permalink/inner_contents', self::DEFAULT_INNER_CONTENTS); |
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return new HtmlElement('a', $attrs, $innerContents, false); |
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} |
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} |
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thephpleague /
commonmark
