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<?php
declare(strict_types=1);
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
namespace TYPO3\CMS\Core\LinkHandling;
use TYPO3\CMS\Core\Utility\MathUtility;
/**
* Resolves links to pages and the parameters given
*/
class PageLinkHandler implements LinkHandlingInterface
{
/**
* The Base URN for this link handling to act on
* @var string
*/
protected $baseUrn = 't3://page';
/**
* Returns all valid parameters for linking to a TYPO3 page as a string
*/
public function asString(array $parameters): string
{
$urn = $this->baseUrn . '?uid=' . $parameters['pageuid'];
$urn = rtrim($urn, ':');
// Page type is set and not empty (= "0" in this case means it is not empty)
if (isset($parameters['pagetype']) && strlen((string)$parameters['pagetype']) > 0) {
$urn .= '&type=' . $parameters['pagetype'];
}
if (!empty($parameters['parameters'])) {
$urn .= '&' . ltrim($parameters['parameters'], '?&');
}
if (!empty($parameters['fragment'])) {
$urn .= '#' . $parameters['fragment'];
}
return $urn;
}
/**
* Returns all relevant information built in the link to a page (see asString())
*/
public function resolveHandlerData(array $data): array
{
$result = [];
if (isset($data['uid'])) {
$result['pageuid'] = MathUtility::canBeInterpretedAsInteger($data['uid']) ? (int)$data['uid'] : $data['uid'];
unset($data['uid']);
}
if (isset($data['type'])) {
$result['pagetype'] = $data['type'];
unset($data['type']);
}
if (!empty($data)) {
$result['parameters'] = http_build_query($data, '', '&', PHP_QUERY_RFC3986);
}
if (empty($result)) {
$result['pageuid'] = 'current';
}
return $result;
}
}