Viewing file:  FootnoteBackrefRenderer.php (2.33 KB) -rwxrwxr-x
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<?php
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
* (c) Rezo Zero / Ambroise Maupate
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
declare(strict_types=1);
namespace League\CommonMark\Extension\Footnote\Renderer;
use League\CommonMark\Extension\Footnote\Node\FootnoteBackref;
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;
final class FootnoteBackrefRenderer implements NodeRendererInterface, XmlNodeRendererInterface, ConfigurationAwareInterface
{
public const DEFAULT_SYMBOL = '↩';
private ConfigurationInterface $config;
/**
* @param FootnoteBackref $node
*
* {@inheritDoc}
*
* @psalm-suppress MoreSpecificImplementedParamType
*/
public function render(Node $node, ChildNodeRendererInterface $childRenderer): string
{
FootnoteBackref::assertInstanceOf($node);
$attrs = $node->data->getData('attributes');
$attrs->append('class', $this->config->get('footnote/backref_class'));
$attrs->set('rev', 'footnote');
$attrs->set('href', \mb_strtolower($node->getReference()->getDestination()));
$attrs->set('role', 'doc-backlink');
$symbol = $this->config->get('footnote/backref_symbol');
\assert(\is_string($symbol));
return ' ' . new HtmlElement('a', $attrs->export(), \htmlspecialchars($symbol), true);
}
public function setConfiguration(ConfigurationInterface $configuration): void
{
$this->config = $configuration;
}
public function getXmlTagName(Node $node): string
{
return 'footnote_backref';
}
/**
* @param FootnoteBackref $node
*
* @return array<string, scalar>
*
* @psalm-suppress MoreSpecificImplementedParamType
*/
public function getXmlAttributes(Node $node): array
{
FootnoteBackref::assertInstanceOf($node);
return [
'reference' => $node->getReference()->getLabel(),
];
}
}
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