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<?php
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
* - (c) John MacFarlane
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Inline\Renderer;
use League\CommonMark\ElementRendererInterface;
use League\CommonMark\HtmlElement;
use League\CommonMark\Inline\Element\AbstractInline;
use League\CommonMark\Inline\Element\Link;
use League\CommonMark\Util\ConfigurationAwareInterface;
use League\CommonMark\Util\ConfigurationInterface;
use League\CommonMark\Util\RegexHelper;
final class LinkRenderer implements InlineRendererInterface, ConfigurationAwareInterface
{
/**
* @var ConfigurationInterface
*/
protected $config;
/**
* @param Link $inline
* @param ElementRendererInterface $htmlRenderer
*
* @return HtmlElement
*/
public function render(AbstractInline $inline, ElementRendererInterface $htmlRenderer)
{
if (!($inline instanceof Link)) {
throw new \InvalidArgumentException('Incompatible inline type: ' . \get_class($inline));
}
$attrs = $inline->getData('attributes', []);
$forbidUnsafeLinks = !$this->config->get('allow_unsafe_links');
if (!($forbidUnsafeLinks && RegexHelper::isLinkPotentiallyUnsafe($inline->getUrl()))) {
$attrs['href'] = $inline->getUrl();
}
if (isset($inline->data['title'])) {
$attrs['title'] = $inline->data['title'];
}
if (isset($attrs['target']) && $attrs['target'] === '_blank' && !isset($attrs['rel'])) {
$attrs['rel'] = 'noopener noreferrer';
}
return new HtmlElement('a', $attrs, $htmlRenderer->renderInlines($inline->children()));
}
public function setConfiguration(ConfigurationInterface $configuration)
{
$this->config = $configuration;
}
}