9.5/_case_view_helper_8php_source.html

<?php

namespace ‪TYPO3\CMS\Fluid\ViewHelpers\Format;


/*

 * 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 TYPO3Fluid\Fluid\Core\Exception;

use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;

use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;

use TYPO3Fluid\Fluid\Core\ViewHelper\Traits\CompileWithRenderStatic;


class ‪CaseViewHelper extends AbstractViewHelper

{

    use CompileWithRenderStatic;


    const ‪CASE_LOWER = 'lower';


    const ‪CASE_UPPER = 'upper';


    const ‪CASE_CAPITAL = 'capital';


    const ‪CASE_UNCAPITAL = 'uncapital';


    const ‪CASE_CAPITAL_WORDS = 'capitalWords';


    protected ‪$escapeChildren = false;


    public function ‪initializeArguments()

    {

        $this->registerArgument('value', 'string', 'The input value. If not given, the evaluated child nodes will be used.', false, null);

        $this->registerArgument('mode', 'string', 'The case to apply, must be one of this\' CASE_* constants. Defaults to uppercase application.', false, self::CASE_UPPER);

    }


    public static function ‪renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext)

    {

        $value = $arguments['value'];

        $mode = $arguments['mode'];


        if ($value === null) {

            $value = $renderChildrenClosure();

        }


        switch ($mode) {

            case ‪self::CASE_LOWER:

                ‪$output = mb_strtolower($value, 'utf-8');

                break;

            case ‪self::CASE_UPPER:

                ‪$output = mb_strtoupper($value, 'utf-8');

                break;

            case ‪self::CASE_CAPITAL:

                $firstChar = mb_substr($value, 0, 1, 'utf-8');

                $firstChar = mb_strtoupper($firstChar, 'utf-8');

                $remainder = mb_substr($value, 1, null, 'utf-8');

                ‪$output = $firstChar . $remainder;

                break;

            case ‪self::CASE_UNCAPITAL:

                $firstChar = mb_substr($value, 0, 1, 'utf-8');

                $firstChar = mb_strtolower($firstChar, 'utf-8');

                $remainder = mb_substr($value, 1, null, 'utf-8');

                ‪$output = $firstChar . $remainder;

                break;

            case ‪self::CASE_CAPITAL_WORDS:

                ‪$output = mb_convert_case($value, MB_CASE_TITLE, 'utf-8');

                break;

            default:

                throw new Exception('The case mode "' . $mode . '" supplied to Fluid\'s format.case ViewHelper is not supported.', 1358349150);

        }


        return ‪$output;

    }

}