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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\Frontend\DataProcessing;
use Psr\Http\Message\ServerRequestInterface;
use TYPO3\CMS\Core\Service\FlexFormService;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Frontend\ContentObject\ContentDataProcessor;
use TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer;
use TYPO3\CMS\Frontend\ContentObject\DataProcessorInterface;
/**
* This data processor converts the XML structure of a given FlexForm field
* into a fluid readable array.
*
* Options:
* fieldname - The name of the field containing the FlexForm to be converted
* as - The variable, the generated array should be assigned to
*
* Example of a minimal TypoScript configuration, which processes the field
* `pi_flexform` and assigns the array to the `flexFormData` variable:
*
* 10 = TYPO3\CMS\Frontend\DataProcessing\FlexFormProcessor
*
* Example of an advanced TypoScript configuration, which processes the field
* `my_flexform_field` and assigns the array to the `myOutputVariable` variable:
*
* 10 = TYPO3\CMS\Frontend\DataProcessing\FlexFormProcessor
* 10 {
* fieldName = my_flexform_field
* as = myOutputVariable
* }
*/
class FlexFormProcessor implements DataProcessorInterface
{
/**
* @param ContentObjectRenderer $cObj The data of the content element or page
* @param array $contentObjectConfiguration The configuration of Content Object
* @param array $processorConfiguration The configuration of this processor
* @param array $processedData Key/value store of processed data (e.g. to be passed to a Fluid View)
* @return array the processed data as key/value store
*/
public function process(
ContentObjectRenderer $cObj,
array $contentObjectConfiguration,
array $processorConfiguration,
array $processedData
): array {
// The field name to process
$fieldName = $cObj->stdWrapValue('fieldName', $processorConfiguration, 'pi_flexform');
if (!isset($processedData['data'][$fieldName])) {
return $processedData;
}
// Process FlexForm
$originalValue = $processedData['data'][$fieldName];
if (!is_string($originalValue)) {
return $processedData;
}
$flexFormData = GeneralUtility::makeInstance(FlexFormService::class)
->convertFlexFormContentToArray($originalValue);
// Set the target variable
$targetVariableName = $cObj->stdWrapValue('as', $processorConfiguration, 'flexFormData');
if (isset($processorConfiguration['dataProcessing.']) && is_array($processorConfiguration['dataProcessing.'])) {
// @todo: It looks as if data processors should retrieve the current request from the outside,
// this would avoid $cObj->getRequest() here.
$flexFormData = $this->processAdditionalDataProcessors($flexFormData, $processorConfiguration, $cObj->getRequest());
}
$processedData[$targetVariableName] = $flexFormData;
return $processedData;
}
/**
* Recursively process sub processors of a data processor
*/
protected function processAdditionalDataProcessors(array $data, array $processorConfiguration, ServerRequestInterface $request): array
{
$contentObjectRenderer = GeneralUtility::makeInstance(ContentObjectRenderer::class);
$contentObjectRenderer->setRequest($request);
$contentObjectRenderer->start([$data], '');
return GeneralUtility::makeInstance(ContentDataProcessor::class)->process(
$contentObjectRenderer,
$processorConfiguration,
$data
);
}
}