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 * RISCOS-LATIN1
23 */
24
25static const unsigned short riscos1_2uni[32] = {
26  /* 0x80 */
27  0x221a, 0x0174, 0x0175, 0x0083, 0x2573, 0x0176, 0x0177, 0x0087,
28  0x21e6, 0x21e8, 0x21e9, 0x21e7, 0x2026, 0x2122, 0x2030, 0x2022,
29  /* 0x90 */
30  0x2018, 0x2019, 0x2039, 0x203a, 0x201c, 0x201d, 0x201e, 0x2013,
31  0x2014, 0x2212, 0x0152, 0x0153, 0x2020, 0x2021, 0xfb01, 0xfb02,
32};
33
34static int
35riscos1_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
36{
37  unsigned char c = *s;
38  if (c >= 0x80 && c < 0xa0)
39    *pwc = (ucs4_t) riscos1_2uni[c-0x80];
40  else
41    *pwc = (ucs4_t) c;
42  return 1;
43}
44
45static const unsigned char riscos1_page01[40] = {
46  0x00, 0x00, 0x9a, 0x9b, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
47  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */
48  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
49  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
50  0x00, 0x00, 0x00, 0x00, 0x81, 0x82, 0x85, 0x86, /* 0x70-0x77 */
51};
52static const unsigned char riscos1_page20[48] = {
53  0x00, 0x00, 0x00, 0x97, 0x98, 0x00, 0x00, 0x00, /* 0x10-0x17 */
54  0x90, 0x91, 0x00, 0x00, 0x94, 0x95, 0x96, 0x00, /* 0x18-0x1f */
55  0x9c, 0x9d, 0x8f, 0x00, 0x00, 0x00, 0x8c, 0x00, /* 0x20-0x27 */
56  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
57  0x8e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
58  0x00, 0x92, 0x93, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
59};
60static const unsigned char riscos1_page21[16] = {
61  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x8b, /* 0xe0-0xe7 */
62  0x89, 0x8a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xe8-0xef */
63};
64static const unsigned char riscos1_page22[16] = {
65  0x00, 0x00, 0x99, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */
66  0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */
67};
68
69static int
70riscos1_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
71{
72  unsigned char c = 0;
73  if (wc < 0x0080 || wc == 0x0083 || wc == 0x0087 || (wc >= 0x00a0 && wc < 0x0100)) {
74    *r = wc;
75    return 1;
76  }
77  else if (wc >= 0x0150 && wc < 0x0178)
78    c = riscos1_page01[wc-0x0150];
79  else if (wc >= 0x2010 && wc < 0x2040)
80    c = riscos1_page20[wc-0x2010];
81  else if (wc == 0x2122)
82    c = 0x8d;
83  else if (wc >= 0x21e0 && wc < 0x21f0)
84    c = riscos1_page21[wc-0x21e0];
85  else if (wc >= 0x2210 && wc < 0x2220)
86    c = riscos1_page22[wc-0x2210];
87  else if (wc == 0x2573)
88    c = 0x84;
89  else if (wc >= 0xfb01 && wc < 0xfb03)
90    c = wc-0xfa63;
91  if (c != 0) {
92    *r = c;
93    return 1;
94  }
95  return RET_ILUNI;
96}
97