<?php
/**
 * webtrees: online genealogy
 * Copyright (C) 2016 webtrees development team
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
namespace Fisharebest\Webtrees\SpecialChars;

/**
 * Exemplar characters for Vietnamese
 *
 * For each language, list the symbols, puncutation and letters with diacritics
 * that may be difficult to type.
 */
class SpecialCharsVi extends AbstractSpecialChars {
	/**
	 * A list of magiscule letters.
	 *
	 * @return string[]
	 */
	public function upper() {
		return [
			'À', 'Á', 'Â', 'Ã', 'Ạ', 'Ả', 'Ă', 'Ấ', 'Ầ', 'Ẫ', 'Ậ', 'Ắ', 'Ằ', 'Ẳ', 'Ẵ', 'Ặ',
			'Đ', 'È', 'É', 'Ê', 'Ẹ', 'Ẻ', 'Ẽ', 'Ế', 'Ề', 'Ể', 'Ễ', 'Ệ', 'Ì', 'Í', 'Ĩ', 'Ỉ', 'Ị',
			'Ò', 'Ó', 'Ô', 'Õ', 'Ơ', 'Ọ', 'Ỏ', 'Ố', 'Ồ', 'Ổ', 'Ỗ', 'Ộ', 'Ớ', 'Ờ', 'Ở', 'Ỡ', 'Ợ',
			'Ù', 'Ú', 'Ũ', 'Ư', 'Ụ', 'Ủ', 'Ứ', 'Ừ', 'Ử', 'Ữ', 'Ự', 'Ý', 'Ỳ', 'Ỵ', 'Ỷ', 'Ỹ',
		];
	}

	/**
	 * A list of miniscule letters.
	 *
	 * @return string[]
	 */
	public function lower() {
		return [
			'à', 'á', 'â', 'ã', 'ạ', 'ả', 'ă', 'ấ', 'ầ', 'ẫ', 'ậ', 'ắ', 'ằ', 'ẳ', 'ẵ', 'ặ',
			'đ', 'è', 'é', 'ê', 'ẹ', 'ẻ', 'ẽ', 'ế', 'ề', 'ể', 'ễ', 'ệ', 'ì', 'í', 'ĩ', 'ỉ', 'ị',
			'ò', 'ó', 'ô', 'õ', 'ơ', 'ọ', 'ỏ', 'ố', 'ồ', 'ổ', 'ỗ', 'ộ', 'ớ', 'ờ', 'ở', 'ỡ', 'ợ',
			'ù', 'ú', 'ũ', 'ư', 'ụ', 'ủ', 'ứ', 'ừ', 'ử', 'ữ', 'ự', 'ý', 'ỳ', 'ỵ', 'ỷ', 'ỹ',
		];
	}
}
