1/* Categories of Unicode characters. 2 Copyright (C) 2007, 2009-2010 Free Software Foundation, Inc. 3 Written by Bruno Haible <bruno@clisp.org>, 2007. 4 5 This program is free software: you can redistribute it and/or modify it 6 under the terms of the GNU Lesser General Public License as published 7 by the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 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 GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18#include <config.h> 19 20/* Specification. */ 21#include "unictype.h" 22 23uc_general_category_t 24uc_general_category_and (uc_general_category_t category1, 25 uc_general_category_t category2) 26{ 27 uint32_t bitmask; 28 uc_general_category_t result; 29 30 bitmask = category1.bitmask & category2.bitmask; 31 32 if (bitmask == category1.bitmask) 33 return category1; 34 35 if (bitmask == category2.bitmask) 36 return category2; 37 38 if (bitmask == 0) 39 return _UC_CATEGORY_NONE; 40 41 result.bitmask = bitmask; 42 result.generic = 1; 43 result.lookup.lookup_fn = &uc_is_general_category_withtable; 44 return result; 45} 46