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 Fisharebest\Webtrees\Tree; 23 24use function preg_match; 25 26/** 27 * MULTIMEDIA_FILE_REFERENCE := {Size=1:30} 28 * A complete local or remote file reference to the auxiliary data to be linked 29 * to the GEDCOM context. Remote reference would include a network address 30 * where the multimedia data may be obtained. 31 */ 32class MultimediaFileReference extends AbstractElement 33{ 34 protected const SUBTAGS = [ 35 'FORM' => '0:1', 36 'TITL' => '0:1', 37 ]; 38 39 /** 40 * Convert a value to a canonical form. 41 * 42 * @param string $value 43 * 44 * @return string 45 */ 46 public function canonical(string $value): string 47 { 48 // Leading/trailing/multiple spaces are valid in filenames. 49 return strtr($value, ["\t" => '', "\r" => '', "\n" => '']); 50 } 51 52 /** 53 * Display the value of this type of element. 54 * 55 * @param string $value 56 * @param Tree $tree 57 * 58 * @return string 59 */ 60 public function value(string $value, Tree $tree): string 61 { 62 $canonical = $this->canonical($value); 63 64 if (preg_match(static::REGEX_URL, $canonical)) { 65 return '<a href="' . e($canonical) . '">' . e($canonical) . '</a>'; 66 } 67 68 return parent::value($value, $tree); 69 } 70} 71