xref: /haiku/src/libs/iconv/cp1163.h (revision 58481f0f6ef1a61ba07283f012cafbc2ed874ead)
1 /*
2  * Copyright (C) 1999-2002 Free Software Foundation, Inc.
3  * This file is part of the GNU LIBICONV Library.
4  *
5  * The GNU LIBICONV Library is free software; you can redistribute it
6  * and/or modify it under the terms of the GNU Library General Public
7  * License as published by the Free Software Foundation; either version 2
8  * of the License, or (at your option) any later version.
9  *
10  * The GNU LIBICONV Library is distributed in the hope that it will be
11  * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Library General Public License for more details.
14  *
15  * You should have received a copy of the GNU Library General Public
16  * License along with the GNU LIBICONV Library; see the file COPYING.LIB.
17  * If not, write to the Free Software Foundation, Inc., 51 Franklin Street,
18  * Fifth Floor, Boston, MA 02110-1301, USA.
19  */
20 
21 /*
22  * CP1163
23  */
24 
25 static int
26 cp1163_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
27 {
28   unsigned char c = *s;
29   if (c < 0xa0)
30     *pwc = (ucs4_t) c;
31   else if (c == 0xa4)
32     *pwc = 0x20ac;
33   else
34     *pwc = (ucs4_t) cp1129_2uni[c-0xa0];
35   return 1;
36 }
37 
38 static const unsigned char cp1163_page20[8] = {
39   0x00, 0x00, 0x00, 0xfe, 0xa4, 0x00, 0x00, 0x00, /* 0xa8-0xaf */
40 };
41 
42 static int
43 cp1163_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
44 {
45   unsigned char c = 0;
46   if (wc < 0x00a0 || (wc < 0x00a8 && wc != 0x00a4) || wc == 0x00d0) {
47     *r = wc;
48     return 1;
49   }
50   else if (wc >= 0x00a8 && wc < 0x01b8)
51     c = cp1129_page00[wc-0x00a8];
52   else if (wc >= 0x0300 && wc < 0x0328)
53     c = cp1129_page03[wc-0x0300];
54   else if (wc == 0x203e)
55     c = 0xaf;
56   else if (wc >= 0x20a8 && wc < 0x20b0)
57     c = cp1163_page20[wc-0x20a8];
58   if (c != 0) {
59     *r = c;
60     return 1;
61   }
62   return RET_ILUNI;
63 }
64