1<?php 2 3/** 4 * webtrees: online genealogy 5 * Copyright (C) 2021 webtrees development team 6 * This program is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, either version 3 of the License, or 9 * (at your option) any later version. 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * You should have received a copy of the GNU General Public License 15 * along with this program. If not, see <https://www.gnu.org/licenses/>. 16 */ 17 18declare(strict_types=1); 19 20namespace Fisharebest\Webtrees\Elements; 21 22use function strtolower; 23 24/** 25 * ROMANIZED_TYPE := {Size=5:30} 26 * [<user defined> | pinyin | romaji | wadegiles] 27 * Indicates the method used in transforming the text to a romanized variation. 28 */ 29class RomanizedType extends AbstractElement 30{ 31 protected const MAXIMUM_LENGTH = 30; 32 33 /** 34 * Convert a value to a canonical form. 35 * 36 * @param string $value 37 * 38 * @return string 39 */ 40 public function canonical(string $value): string 41 { 42 $value = parent::canonical($value); 43 $lower = strtolower($value); 44 45 if ($lower === 'pinyin' || $lower === 'romaji' || $lower === 'wadegiles') { 46 return $lower; 47 } 48 49 return $value; 50 } 51} 52