xref: /webtrees/app/Elements/MultimediaFileReference.php (revision f7cf8a155e2743f3d124eef3d30a558ab062fa4b)
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