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; 25use function strpos; 26use function trim; 27 28/** 29 * MULTIMEDIA_FILE_REFERENCE := {Size=1:30} 30 * A complete local or remote file reference to the auxiliary data to be linked 31 * to the GEDCOM context. Remote reference would include a network address 32 * where the multimedia data may be obtained. 33 */ 34class MultimediaFileReference extends AbstractElement 35{ 36 protected const SUBTAGS = [ 37 'FORM' => '0:1', 38 'TITL' => '0:1', 39 ]; 40 41 /** 42 * Convert a value to a canonical form. 43 * 44 * @param string $value 45 * 46 * @return string 47 */ 48 public function canonical(string $value): string 49 { 50 // Leading/trailing/multiple spaces are valid in filenames. 51 return strtr($value, ["\t" => ' ', "\r" => ' ', "\n" => ' ']); 52 } 53 54 /** 55 * Display the value of this type of element. 56 * 57 * @param string $value 58 * @param Tree $tree 59 * 60 * @return string 61 */ 62 public function value(string $value, Tree $tree): string 63 { 64 $canonical = $this->canonical($value); 65 66 if (preg_match(static::REGEX_URL, $canonical)) { 67 return '<a href="' . e($canonical) . '">' . e($canonical) . '</a>'; 68 } 69 70 return parent::value($value, $tree); 71 } 72} 73