Viewing file:  HeadingPermalinkRenderer.php (2.83 KB) -rwxrwxr-x
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<?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* 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\Node\Node;
use League\CommonMark\Renderer\ChildNodeRendererInterface;
use League\CommonMark\Renderer\NodeRendererInterface;
use League\CommonMark\Util\HtmlElement;
use League\CommonMark\Xml\XmlNodeRendererInterface;
use League\Config\ConfigurationAwareInterface;
use League\Config\ConfigurationInterface;
/**
* Renders the HeadingPermalink elements
*/
final class HeadingPermalinkRenderer implements NodeRendererInterface, XmlNodeRendererInterface, ConfigurationAwareInterface
{
public const DEFAULT_SYMBOL = 'ΒΆ';
/** @psalm-readonly-allow-private-mutation */
private ConfigurationInterface $config;
public function setConfiguration(ConfigurationInterface $configuration): void
{
$this->config = $configuration;
}
/**
* @param HeadingPermalink $node
*
* {@inheritDoc}
*
* @psalm-suppress MoreSpecificImplementedParamType
*/
public function render(Node $node, ChildNodeRendererInterface $childRenderer): \Stringable
{
HeadingPermalink::assertInstanceOf($node);
$slug = $node->getSlug();
$idPrefix = (string) $this->config->get('heading_permalink/id_prefix');
if ($idPrefix !== '') {
$idPrefix .= '-';
}
$fragmentPrefix = (string) $this->config->get('heading_permalink/fragment_prefix');
if ($fragmentPrefix !== '') {
$fragmentPrefix .= '-';
}
$attrs = $node->data->getData('attributes');
$attrs->set('id', $idPrefix . $slug);
$attrs->set('href', '#' . $fragmentPrefix . $slug);
$attrs->append('class', $this->config->get('heading_permalink/html_class'));
$hidden = $this->config->get('heading_permalink/aria_hidden');
if ($hidden) {
$attrs->set('aria-hidden', 'true');
}
$attrs->set('title', $this->config->get('heading_permalink/title'));
$symbol = $this->config->get('heading_permalink/symbol');
\assert(\is_string($symbol));
return new HtmlElement('a', $attrs->export(), \htmlspecialchars($symbol), false);
}
public function getXmlTagName(Node $node): string
{
return 'heading_permalink';
}
/**
* @param HeadingPermalink $node
*
* @return array<string, scalar>
*
* @psalm-suppress MoreSpecificImplementedParamType
*/
public function getXmlAttributes(Node $node): array
{
HeadingPermalink::assertInstanceOf($node);
return [
'slug' => $node->getSlug(),
];
}
}
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