1/* Normalization of Unicode strings.
2   Copyright (C) 2009-2010 Free Software Foundation, Inc.
3   Written by Bruno Haible <bruno@clisp.org>, 2009.
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 <stddef.h>
19
20#include "unitypes.h"
21
22/* Complete definition of normalization form descriptor.  */
23struct unicode_normalization_form
24{
25  /* Bit mask containing meta-information.
26     This must be the first field.  */
27  unsigned int description;
28  #define NF_IS_COMPAT_DECOMPOSING  (1 << 0)
29  #define NF_IS_COMPOSING           (1 << 1)
30  /* Function that decomposes a Unicode character.  */
31  int (*decomposer) (ucs4_t uc, ucs4_t *decomposition);
32  /* Function that combines two Unicode characters, a starter and another
33     character.  */
34  ucs4_t (*composer) (ucs4_t uc1, ucs4_t uc2);
35  /* Decomposing variant.  */
36  const struct unicode_normalization_form *decomposing_variant;
37};
38