CompileWithRenderStatic.php

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<?php
namespace TYPO3Fluid\Fluid\Core\ViewHelper\Traits;

/*
 * 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!
 */

use TYPO3\CMS\Fluid\Core\Compiler\TemplateCompiler;
use TYPO3\CMS\Fluid\Core\Parser\SyntaxTree\AbstractNode;

trait CompileWithRenderStatic
{

    abstract public function buildRenderChildrenClosure();

    public function render()
    {
        return static::renderStatic(
            $this->arguments,
            $this->buildRenderChildrenClosure(),
            $this->renderingContext
        );
    }

    public function compile(
        $argumentsName,
        $closureName,
        &$initializationPhpCode,
        AbstractNode $node,
        TemplateCompiler $compiler
    ) {
        return sprintf(
            '%s::renderStatic(%s, %s, $renderingContext)',
            static::class,
            $argumentsName,
            $closureName
        );
    }
}