* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace League\CommonMark\Extension\HeadingPermalink; use League\CommonMark\ElementRendererInterface; use League\CommonMark\HtmlElement; use League\CommonMark\Inline\Element\AbstractInline; use League\CommonMark\Inline\Renderer\InlineRendererInterface; use League\CommonMark\Util\ConfigurationAwareInterface; use League\CommonMark\Util\ConfigurationInterface; /** * Renders the HeadingPermalink elements */ final class HeadingPermalinkRenderer implements InlineRendererInterface, ConfigurationAwareInterface { /** @deprecated */ const DEFAULT_INNER_CONTENTS = ''; const DEFAULT_SYMBOL = '¶'; /** @var ConfigurationInterface */ private $config; public function setConfiguration(ConfigurationInterface $configuration) { $this->config = $configuration; } public function render(AbstractInline $inline, ElementRendererInterface $htmlRenderer) { if (!$inline instanceof HeadingPermalink) { throw new \InvalidArgumentException('Incompatible inline type: ' . \get_class($inline)); } $slug = $inline->getSlug(); $idPrefix = (string) $this->config->get('heading_permalink/id_prefix', 'user-content'); if ($idPrefix !== '') { $idPrefix .= '-'; } $attrs = [ 'id' => $idPrefix . $slug, 'href' => '#' . $slug, 'name' => $slug, 'class' => $this->config->get('heading_permalink/html_class', 'heading-permalink'), 'aria-hidden' => 'true', 'title' => $this->config->get('heading_permalink/title', 'Permalink'), ]; $innerContents = $this->config->get('heading_permalink/inner_contents'); if ($innerContents !== null) { @trigger_error(sprintf('The %s config option is deprecated; use %s instead', 'inner_contents', 'symbol'), E_USER_DEPRECATED); return new HtmlElement('a', $attrs, $innerContents, false); } $symbol = $this->config->get('heading_permalink/symbol', self::DEFAULT_SYMBOL); return new HtmlElement('a', $attrs, \htmlspecialchars($symbol), false); } }