1<?php 2/** 3 * webtrees: online genealogy 4 * Copyright (C) 2019 webtrees development team 5 * This program is free software: you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation, either version 3 of the License, or 8 * (at your option) any later version. 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * You should have received a copy of the GNU General Public License 14 * along with this program. If not, see <http://www.gnu.org/licenses/>. 15 */ 16declare(strict_types=1); 17 18namespace Fisharebest\Webtrees; 19 20/** 21 * GEDCOM 5.5.1 specification 22 */ 23class Gedcom 24{ 25 // Use MSDOS style line endings, for maximum compatibility. 26 public const EOL = "\r\n"; 27 28 // 255 less the EOL character. 29 public const LINE_LENGTH = 253; 30 31 // Gedcom tags which indicate the start of life. 32 public const BIRTH_EVENTS = ['BIRT', 'CHR', 'BAPM', 'ADOP']; 33 34 // Gedcom tags which indicate the end of life. 35 public const DEATH_EVENTS = ['DEAT', 'BURI', 'CREM']; 36 37 // Gedcom tags which indicate the start of a relationship. 38 public const MARRIAGE_EVENTS = ['MARR', '_NMR']; 39 40 // Gedcom tags which indicate the end of a relationship. 41 public const DIVORCE_EVENTS = ['DIV', 'ANUL', '_SEPR']; 42 43 // Regular expression to match a GEDCOM tag. 44 public const REGEX_TAG = '[_A-Z][_A-Z0-9]*'; 45 46 // Regular expression to match a GEDCOM XREF. 47 public const REGEX_XREF = '[A-Za-z0-9:_-]+'; 48 49 // UTF-8 encoded files may begin with an optional byte-order-mark (U+FEFF). 50 public const UTF8_BOM = "\xEF\xBB\xBF"; 51} 52