xref: /webtrees/app/SurnameTradition/IcelandicSurnameTradition.php (revision 94db7d2d27c3ad6a04fceebbdcb98e28e97649b3) 
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\SurnameTradition;
21
22use Fisharebest\Webtrees\Individual;
23
24/**
25 * Children take a patronym instead of a surname.
26 *
27 * Sons get their father’s given name plus “sson”
28 * Daughters get their father’s given name plus “sdottir”
29 */
30class IcelandicSurnameTradition extends DefaultSurnameTradition
31{
32    /**
33     * A default/empty name
34     *
35     * @return string
36     */
37    public function defaultName(): string
38    {
39        return '';
40    }
41
42    /**
43     * What name is given to a new child
44     *
45     * @param Individual|null $father
46     * @param Individual|null $mother
47     * @param string          $sex
48     *
49     * @return array<int,string>
50     */
51    public function newChildNames(?Individual $father, ?Individual $mother, string $sex): array
52    {
53        if (preg_match(self::REGEX_GIVN, $this->extractName($father), $match)) {
54            switch ($sex) {
55                case 'M':
56                    $givn = $match['GIVN'] . 'sson';
57
58                    return [
59                        $this->buildName($givn, ['TYPE' => 'birth', 'GIVN' => $givn]),
60                    ];
61
62                case 'F':
63                    $givn = $match['GIVN'] . 'sdottir';
64
65                    return [
66                        $this->buildName($givn, ['TYPE' => 'birth', 'GIVN' => $givn]),
67                    ];
68            }
69        }
70
71        return [
72            $this->buildName('', ['TYPE' => 'birth']),
73        ];
74    }
75
76    /**
77     * What name is given to a new parent
78     *
79     * @param Individual $child
80     * @param string     $sex
81     *
82     * @return array<int,string>
83     */
84    public function newParentNames(Individual $child, string $sex): array
85    {
86        if ($sex === 'M' && preg_match('~(?<GIVN>[^ /]+)(:?sson)$~', $this->extractName($child), $match)) {
87            return [
88                $this->buildName($match['GIVN'], ['TYPE' => 'birth', 'GIVN' => $match['GIVN']]),
89            ];
90        }
91
92        if ($sex === 'F' && preg_match('~(?<GIVN>[^ /]+)(:?sdottir)$~', $this->extractName($child), $match)) {
93            return [
94                $this->buildName($match['GIVN'], ['TYPE' => 'birth', 'GIVN' => $match['GIVN']]),
95            ];
96        }
97
98        return [
99            $this->buildName('', ['TYPE' => 'birth']),
100        ];
101    }
102
103    /**
104     * What names are given to a new spouse
105     *
106     * @param Individual $spouse
107     * @param string     $sex
108     *
109     * @return array<int,string>
110     */
111    public function newSpouseNames(Individual $spouse, string $sex): array
112    {
113        return [
114            $this->buildName('', ['TYPE' => 'birth']),
115        ];
116    }
117}
118