summaryrefslogtreecommitdiff
path: root/lib/uniwbrk/wordbreak-property.c
blob: 4d0a212d18a28a056189c997da30dfb9fdfd534b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
/* Word break property.
   Copyright (C) 2001-2003, 2006-2009 Free Software Foundation, Inc.
   Written by Bruno Haible <bruno@clisp.org>, 2009.

   This program is free software: you can redistribute it and/or modify it
   under the terms of the GNU Lesser 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#include <config.h>

/* Specification.  */
#include "uniwbrk.h"

#include "wbrkprop.h"

int
uc_wordbreak_property (ucs4_t uc)
{
  unsigned int index1 = uc >> wbrkprop_header_0;
  if (index1 < wbrkprop_header_1)
    {
      int lookup1 = uniwbrkprop.level1[index1];
      if (lookup1 >= 0)
	{
	  unsigned int index2 = (uc >> wbrkprop_header_2) & wbrkprop_header_3;
	  int lookup2 = uniwbrkprop.level2[lookup1 + index2];
	  if (lookup2 >= 0)
	    {
	      unsigned int index3 = uc & wbrkprop_header_4;
	      return uniwbrkprop.level3[lookup2 + index3];
	    }
	}
    }
  return WBP_OTHER;
}