1 /* Test whether a Unicode character is cased.
2 Copyright (C) 2002, 2006-2007, 2009 Free Software Foundation, Inc.
3 Written by Bruno Haible <bruno@clisp.org>, 2009.
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.
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.
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/>. */
23 /* Quoting the Unicode standard:
24 Definition: A character is defined to be "cased" if it has the Lowercase
25 or Uppercase property or has a General_Category value of
33 uc_is_cased (ucs4_t uc)
35 return (uc_is_property_lowercase (uc)
36 || uc_is_property_uppercase (uc)
37 || uc_is_general_category (uc, UC_TITLECASE_LETTER));
42 #include "unictype/bitmap.h"
44 /* Define u_casing_property_cased table. */
48 uc_is_cased (ucs4_t uc)
50 return bitmap_lookup (&u_casing_property_cased, uc);