DigiComp.FluidRenderFunctions/Classes/Utils/NodeRenderTransfer.php

<?php

declare(strict_types=1);

namespace DigiComp\FluidRenderFunctions\Utils;

use DigiComp\FluidRenderFunctions\InvokeRenderFunctionInterface;
use Neos\Flow\ObjectManagement\Proxy\ProxyInterface;
use Neos\FluidAdaptor\Core\Rendering\RenderingContext;
use TYPO3Fluid\Fluid\Core\Parser\SyntaxTree\NodeInterface;

class NodeRenderTransfer implements InvokeRenderFunctionInterface
{
    /**
     * @var NodeInterface
     */
    protected NodeInterface $node;

    /**
     * @var string
     */
    protected string $subjectName;

    public function __construct(NodeInterface $node, string $subjectName = 'object')
    {
        $this->node = $node;
        $this->subjectName = $subjectName;
    }

    public function __invoke($object): string
    {
        // @deprecated: drop the condition, if compatibility to Flow 6.3 can be dropped
        $reflector = new \ReflectionClass(RenderingContext::class);
        if ($reflector->implementsInterface(ProxyInterface::class)) {
            try {
                $reflector = new \ReflectionClass($reflector->getParentClass()->getName());
            } catch (\Exception $e) {
                // nothing, go with the first one
            }
        }
        $constructor = $reflector->getConstructor();

        if ($constructor->getNumberOfRequiredParameters() > 0) {
            $context = new RenderingContext(new DummyView());
        } else {
            $context = new RenderingContext();
        }
        $context->getVariableProvider()->add($this->subjectName, $object);
        return \trim($this->node->evaluate($context));
    }
}