Subversion-Projekte lars-tiefland.laravel_shop

<?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\Mention\Generator;

use League\CommonMark\Exception\LogicException;

use League\CommonMark\Extension\Mention\Mention;

use League\CommonMark\Node\Inline\AbstractInline;

final class CallbackGenerator implements MentionGeneratorInterface

{

    /**

     * A callback function which sets the URL on the passed mention and returns the mention, return a new AbstractInline based object or null if the mention is not a match

     *

     * @var callable(Mention): ?AbstractInline

     */

    private $callback;

    public function __construct(callable $callback)

    {

        $this->callback = $callback;

    }

    /**

     * @throws LogicException

     */

    public function generateMention(Mention $mention): ?AbstractInline

    {

        $result = \call_user_func($this->callback, $mention);

        if ($result === null) {

            return null;

        }

        if ($result instanceof AbstractInline && ! ($result instanceof Mention)) {

            return $result;

        }

        if ($result instanceof Mention && $result->hasUrl()) {

            return $mention;

        }

        throw new LogicException('CallbackGenerator callable must set the URL on the passed mention and return the mention, return a new AbstractInline based object or null if the mention is not a match');

    }

}