1/*
2 * Copyright (C) 1999-2001 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 * MacThai
23 */
24
25static const unsigned short mac_thai_2uni[128] = {
26  /* 0x80 */
27  0x00ab, 0x00bb, 0x2026, 0xf88c, 0xf88f, 0xf892, 0xf895, 0xf898,
28  0xf88b, 0xf88e, 0xf891, 0xf894, 0xf897, 0x201c, 0x201d, 0xf899,
29  /* 0x90 */
30  0xfffd, 0x2022, 0xf884, 0xf889, 0xf885, 0xf886, 0xf887, 0xf888,
31  0xf88a, 0xf88d, 0xf890, 0xf893, 0xf896, 0x2018, 0x2019, 0xfffd,
32  /* 0xa0 */
33  0x00a0, 0x0e01, 0x0e02, 0x0e03, 0x0e04, 0x0e05, 0x0e06, 0x0e07,
34  0x0e08, 0x0e09, 0x0e0a, 0x0e0b, 0x0e0c, 0x0e0d, 0x0e0e, 0x0e0f,
35  /* 0xb0 */
36  0x0e10, 0x0e11, 0x0e12, 0x0e13, 0x0e14, 0x0e15, 0x0e16, 0x0e17,
37  0x0e18, 0x0e19, 0x0e1a, 0x0e1b, 0x0e1c, 0x0e1d, 0x0e1e, 0x0e1f,
38  /* 0xc0 */
39  0x0e20, 0x0e21, 0x0e22, 0x0e23, 0x0e24, 0x0e25, 0x0e26, 0x0e27,
40  0x0e28, 0x0e29, 0x0e2a, 0x0e2b, 0x0e2c, 0x0e2d, 0x0e2e, 0x0e2f,
41  /* 0xd0 */
42  0x0e30, 0x0e31, 0x0e32, 0x0e33, 0x0e34, 0x0e35, 0x0e36, 0x0e37,
43  0x0e38, 0x0e39, 0x0e3a, 0xfeff, 0x200b, 0x2013, 0x2014, 0x0e3f,
44  /* 0xe0 */
45  0x0e40, 0x0e41, 0x0e42, 0x0e43, 0x0e44, 0x0e45, 0x0e46, 0x0e47,
46  0x0e48, 0x0e49, 0x0e4a, 0x0e4b, 0x0e4c, 0x0e4d, 0x2122, 0x0e4f,
47  /* 0xf0 */
48  0x0e50, 0x0e51, 0x0e52, 0x0e53, 0x0e54, 0x0e55, 0x0e56, 0x0e57,
49  0x0e58, 0x0e59, 0x00ae, 0x00a9, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
50};
51
52static int
53mac_thai_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
54{
55  unsigned char c = *s;
56  if (c < 0x80) {
57    *pwc = (ucs4_t) c;
58    return 1;
59  }
60  else {
61    unsigned short wc = mac_thai_2uni[c-0x80];
62    if (wc != 0xfffd) {
63      *pwc = (ucs4_t) wc;
64      return 1;
65    }
66  }
67  return RET_ILSEQ;
68}
69
70static const unsigned char mac_thai_page00[32] = {
71  0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */
72  0x00, 0xfb, 0x00, 0x80, 0x00, 0x00, 0xfa, 0x00, /* 0xa8-0xaf */
73  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xb0-0xb7 */
74  0x00, 0x00, 0x00, 0x81, 0x00, 0x00, 0x00, 0x00, /* 0xb8-0xbf */
75};
76static const unsigned char mac_thai_page0e[96] = {
77  0x00, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, /* 0x00-0x07 */
78  0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, /* 0x08-0x0f */
79  0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0x10-0x17 */
80  0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, /* 0x18-0x1f */
81  0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0x20-0x27 */
82  0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0x28-0x2f */
83  0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0x30-0x37 */
84  0xd8, 0xd9, 0xda, 0x00, 0x00, 0x00, 0x00, 0xdf, /* 0x38-0x3f */
85  0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0x40-0x47 */
86  0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0x00, 0xef, /* 0x48-0x4f */
87  0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0x50-0x57 */
88  0xf8, 0xf9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */
89};
90static const unsigned char mac_thai_page20[32] = {
91  0x00, 0x00, 0x00, 0xdc, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */
92  0x00, 0x00, 0x00, 0xdd, 0xde, 0x00, 0x00, 0x00, /* 0x10-0x17 */
93  0x9d, 0x9e, 0x00, 0x00, 0x8d, 0x8e, 0x00, 0x00, /* 0x18-0x1f */
94  0x00, 0x00, 0x91, 0x00, 0x00, 0x00, 0x82, 0x00, /* 0x20-0x27 */
95};
96static const unsigned char mac_thai_pagef8[32] = {
97  0x00, 0x00, 0x00, 0x00, 0x92, 0x94, 0x95, 0x96, /* 0x80-0x87 */
98  0x97, 0x93, 0x98, 0x88, 0x83, 0x99, 0x89, 0x84, /* 0x88-0x8f */
99  0x9a, 0x8a, 0x85, 0x9b, 0x8b, 0x86, 0x9c, 0x8c, /* 0x90-0x97 */
100  0x87, 0x8f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9f */
101};
102
103static int
104mac_thai_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
105{
106  unsigned char c = 0;
107  if (wc < 0x0080) {
108    *r = wc;
109    return 1;
110  }
111  else if (wc >= 0x00a0 && wc < 0x00c0)
112    c = mac_thai_page00[wc-0x00a0];
113  else if (wc >= 0x0e00 && wc < 0x0e60)
114    c = mac_thai_page0e[wc-0x0e00];
115  else if (wc >= 0x2008 && wc < 0x2028)
116    c = mac_thai_page20[wc-0x2008];
117  else if (wc == 0x2122)
118    c = 0xee;
119  else if (wc >= 0xf880 && wc < 0xf8a0)
120    c = mac_thai_pagef8[wc-0xf880];
121  else if (wc == 0xfeff)
122    c = 0xdb;
123  if (c != 0) {
124    *r = c;
125    return 1;
126  }
127  return RET_ILUNI;
128}
129