<?php
declare(strict_types=1);
namespace League\CommonMark\Extension\Embed;
use League\CommonMark\Environment\EnvironmentBuilderInterface;
use League\CommonMark\Event\DocumentParsedEvent;
use League\CommonMark\Extension\ConfigurableExtensionInterface;
use League\Config\ConfigurationBuilderInterface;
use Nette\Schema\Expect;
final class EmbedExtension implements ConfigurableExtensionInterface
{
public function configureSchema(ConfigurationBuilderInterface $builder): void
{
$builder->addSchema('embed', Expect::structure([
'adapter' => Expect::type(EmbedAdapterInterface::class),
'allowed_domains' => Expect::arrayOf('string')->default([]),
'fallback' => Expect::anyOf('link', 'remove')->default('link'),
]));
}
public function register(EnvironmentBuilderInterface $environment): void
{
$adapter = $environment->getConfiguration()->get('embed.adapter');
\assert($adapter instanceof EmbedAdapterInterface);
$allowedDomains = $environment->getConfiguration()->get('embed.allowed_domains');
if ($allowedDomains !== []) {
$adapter = new DomainFilteringAdapter($adapter, $allowedDomains);
}
$environment
->addBlockStartParser(new EmbedStartParser(), 300)
->addEventListener(DocumentParsedEvent::class, new EmbedProcessor($adapter, $environment->getConfiguration()->get('embed.fallback')), 1010)