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\Factories; 21 22use DomainException; 23use Fisharebest\Webtrees\Contracts\CalendarDateFactoryInterface; 24use Fisharebest\Webtrees\Date\AbstractCalendarDate; 25use Fisharebest\Webtrees\Date\FrenchDate; 26use Fisharebest\Webtrees\Date\GregorianDate; 27use Fisharebest\Webtrees\Date\HijriDate; 28use Fisharebest\Webtrees\Date\JalaliDate; 29use Fisharebest\Webtrees\Date\JewishDate; 30use Fisharebest\Webtrees\Date\JulianDate; 31use Fisharebest\Webtrees\Date\RomanDate; 32use Fisharebest\Webtrees\I18N; 33 34/** 35 * Create a calendar date object. 36 */ 37class CalendarDateFactory implements CalendarDateFactoryInterface 38{ 39 /** 40 * Parse a string containing a calendar date. 41 * 42 * @param string $date 43 * 44 * @return AbstractCalendarDate 45 */ 46 public function make(string $date): AbstractCalendarDate 47 { 48 // Valid calendar escape specified? - use it 49 if (preg_match('/^(@#D(?:GREGORIAN|JULIAN|HEBREW|HIJRI|JALALI|FRENCH R|ROMAN)+@) ?(.*)/', $date, $match)) { 50 $cal = $match[1]; 51 $date = $match[2]; 52 } else { 53 $cal = ''; 54 } 55 // A date with a month: DM, M, MY or DMY 56 if (preg_match('/^(\d?\d?) ?(JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC|TSH|CSH|KSL|TVT|SHV|ADR|ADS|NSN|IYR|SVN|TMZ|AAV|ELL|VEND|BRUM|FRIM|NIVO|PLUV|VENT|GERM|FLOR|PRAI|MESS|THER|FRUC|COMP|MUHAR|SAFAR|RABI[AT]|JUMA[AT]|RAJAB|SHAAB|RAMAD|SHAWW|DHUAQ|DHUAH|FARVA|ORDIB|KHORD|TIR|MORDA|SHAHR|MEHR|ABAN|AZAR|DEY|BAHMA|ESFAN) ?((?:\d{1,4}(?: B\.C\.)?|\d\d\d\d\/\d\d)?)$/', $date, $match)) { 57 $d = $match[1]; 58 $m = $match[2]; 59 $y = $match[3]; 60 } elseif (preg_match('/^(\d{1,4}(?: B\.C\.)?|\d\d\d\d\/\d\d)$/', $date, $match)) { 61 // A date with just a year 62 $d = ''; 63 $m = ''; 64 $y = $match[1]; 65 } else { 66 // An invalid date - do the best we can. 67 $d = ''; 68 $m = ''; 69 $y = ''; 70 // Look for a 3/4 digit year anywhere in the date 71 if (preg_match('/(\d{3,4})/', $date, $match)) { 72 $y = $match[1]; 73 } 74 // Look for a month anywhere in the date 75 if (preg_match('/(JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC|TSH|CSH|KSL|TVT|SHV|ADR|ADS|NSN|IYR|SVN|TMZ|AAV|ELL|VEND|BRUM|FRIM|NIVO|PLUV|VENT|GERM|FLOR|PRAI|MESS|THER|FRUC|COMP|MUHAR|SAFAR|RABI[AT]|JUMA[AT]|RAJAB|SHAAB|RAMAD|SHAWW|DHUAQ|DHUAH|FARVA|ORDIB|KHORD|TIR|MORDA|SHAHR|MEHR|ABAN|AZAR|DEY|BAHMA|ESFAN)/', $date, $match)) { 76 $m = $match[1]; 77 // Look for a day number anywhere in the date 78 if (preg_match('/\b(\d\d?)\b/', $date, $match)) { 79 $d = $match[1]; 80 } 81 } 82 } 83 84 // Unambiguous dates - override calendar escape 85 if (preg_match('/^(TSH|CSH|KSL|TVT|SHV|ADR|ADS|NSN|IYR|SVN|TMZ|AAV|ELL)$/', $m)) { 86 $cal = JewishDate::ESCAPE; 87 } elseif (preg_match('/^(VEND|BRUM|FRIM|NIVO|PLUV|VENT|GERM|FLOR|PRAI|MESS|THER|FRUC|COMP)$/', $m)) { 88 $cal = FrenchDate::ESCAPE; 89 } elseif (preg_match('/^(MUHAR|SAFAR|RABI[AT]|JUMA[AT]|RAJAB|SHAAB|RAMAD|SHAWW|DHUAQ|DHUAH)$/', $m)) { 90 $cal = HijriDate::ESCAPE; // This is a WT extension 91 } elseif (preg_match('/^(FARVA|ORDIB|KHORD|TIR|MORDA|SHAHR|MEHR|ABAN|AZAR|DEY|BAHMA|ESFAN)$/', $m)) { 92 $cal = JalaliDate::ESCAPE; // This is a WT extension 93 } elseif (preg_match('/^\d{1,4}( B\.C\.)|\d\d\d\d\/\d\d$/', $y)) { 94 $cal = JulianDate::ESCAPE; 95 } 96 97 // Ambiguous dates - don't override calendar escape 98 if ($cal === '') { 99 if (preg_match('/^(JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC)$/', $m)) { 100 $cal = GregorianDate::ESCAPE; 101 } elseif (preg_match('/^[345]\d\d\d$/', $y)) { 102 // Year 3000-5999 103 $cal = JewishDate::ESCAPE; 104 } else { 105 $cal = GregorianDate::ESCAPE; 106 } 107 } 108 109 // Now construct an object of the correct type 110 switch ($cal) { 111 case GregorianDate::ESCAPE: 112 return new GregorianDate([$y, $m, $d]); 113 114 case JulianDate::ESCAPE: 115 return new JulianDate([$y, $m, $d]); 116 117 case JewishDate::ESCAPE: 118 return new JewishDate([$y, $m, $d]); 119 120 case HijriDate::ESCAPE: 121 return new HijriDate([$y, $m, $d]); 122 123 case FrenchDate::ESCAPE: 124 return new FrenchDate([$y, $m, $d]); 125 126 case JalaliDate::ESCAPE: 127 return new JalaliDate([$y, $m, $d]); 128 129 case RomanDate::ESCAPE: 130 return new RomanDate([$y, $m, $d]); 131 132 default: 133 throw new DomainException('Invalid calendar'); 134 } 135 } 136 137 /** 138 * A list of supported calendars and their names. 139 * 140 * @return array<string,string> 141 */ 142 public function supportedCalendars(): array 143 { 144 return [ 145 /* I18N: The gregorian calendar */ 146 'gregorian' => I18N::translate('Gregorian'), 147 /* I18N: The julian calendar */ 148 'julian' => I18N::translate('Julian'), 149 /* I18N: The French calendar */ 150 'french' => I18N::translate('French'), 151 /* I18N: The Hebrew/Jewish calendar */ 152 'jewish' => I18N::translate('Jewish'), 153 /* I18N: The Arabic/Hijri calendar */ 154 'hijri' => I18N::translate('Hijri'), 155 /* I18N: The Persian/Jalali calendar */ 156 'jalali' => I18N::translate('Jalali'), 157 ]; 158 } 159} 160