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 * CP864
23 */
24
25static const unsigned short cp864_2uni_1[16] = {
26  /* 0x20 */
27  0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x066a, 0x0026, 0x0027,
28  0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f,
29};
30static const unsigned short cp864_2uni_2[128] = {
31  /* 0x80 */
32  0x00b0, 0x00b7, 0x2219, 0x221a, 0x2592, 0x2500, 0x2502, 0x253c,
33  0x2524, 0x252c, 0x251c, 0x2534, 0x2510, 0x250c, 0x2514, 0x2518,
34  /* 0x90 */
35  0x03b2, 0x221e, 0x03c6, 0x00b1, 0x00bd, 0x00bc, 0x2248, 0x00ab,
36  0x00bb, 0xfef7, 0xfef8, 0xfffd, 0xfffd, 0xfefb, 0xfefc, 0xfffd,
37  /* 0xa0 */
38  0x00a0, 0x00ad, 0xfe82, 0x00a3, 0x00a4, 0xfe84, 0xfffd, 0xfffd,
39  0xfe8e, 0xfe8f, 0xfe95, 0xfe99, 0x060c, 0xfe9d, 0xfea1, 0xfea5,
40  /* 0xb0 */
41  0x0660, 0x0661, 0x0662, 0x0663, 0x0664, 0x0665, 0x0666, 0x0667,
42  0x0668, 0x0669, 0xfed1, 0x061b, 0xfeb1, 0xfeb5, 0xfeb9, 0x061f,
43  /* 0xc0 */
44  0x00a2, 0xfe80, 0xfe81, 0xfe83, 0xfe85, 0xfeca, 0xfe8b, 0xfe8d,
45  0xfe91, 0xfe93, 0xfe97, 0xfe9b, 0xfe9f, 0xfea3, 0xfea7, 0xfea9,
46  /* 0xd0 */
47  0xfeab, 0xfead, 0xfeaf, 0xfeb3, 0xfeb7, 0xfebb, 0xfebf, 0xfec1,
48  0xfec5, 0xfecb, 0xfecf, 0x00a6, 0x00ac, 0x00f7, 0x00d7, 0xfec9,
49  /* 0xe0 */
50  0x0640, 0xfed3, 0xfed7, 0xfedb, 0xfedf, 0xfee3, 0xfee7, 0xfeeb,
51  0xfeed, 0xfeef, 0xfef3, 0xfebd, 0xfecc, 0xfece, 0xfecd, 0xfee1,
52  /* 0xf0 */
53  0xfe7d, 0x0651, 0xfee5, 0xfee9, 0xfeec, 0xfef0, 0xfef2, 0xfed0,
54  0xfed5, 0xfef5, 0xfef6, 0xfedd, 0xfed9, 0xfef1, 0x25a0, 0xfffd,
55};
56
57static int
58cp864_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
59{
60  unsigned char c = *s;
61  if (c < 0x20) {
62    *pwc = (ucs4_t) c;
63    return 1;
64  }
65  else if (c < 0x30) {
66    *pwc = (ucs4_t) cp864_2uni_1[c-0x20];
67    return 1;
68  }
69  else if (c < 0x80) {
70    *pwc = (ucs4_t) c;
71    return 1;
72  }
73  else {
74    unsigned short wc = cp864_2uni_2[c-0x80];
75    if (wc != 0xfffd) {
76      *pwc = (ucs4_t) wc;
77      return 1;
78    }
79  }
80  return RET_ILSEQ;
81}
82
83static const unsigned char cp864_page00[8] = {
84  0x20, 0x21, 0x22, 0x23, 0x24, 0x00, 0x26, 0x27, /* 0x20-0x27 */
85};
86static const unsigned char cp864_page00_1[88] = {
87  0xa0, 0x00, 0xc0, 0xa3, 0xa4, 0x00, 0xdb, 0x00, /* 0xa0-0xa7 */
88  0x00, 0x00, 0x00, 0x97, 0xdc, 0xa1, 0x00, 0x00, /* 0xa8-0xaf */
89  0x80, 0x93, 0x00, 0x00, 0x00, 0x00, 0x00, 0x81, /* 0xb0-0xb7 */
90  0x00, 0x00, 0x00, 0x98, 0x95, 0x94, 0x00, 0x00, /* 0xb8-0xbf */
91  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc0-0xc7 */
92  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */
93  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xde, /* 0xd0-0xd7 */
94  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd8-0xdf */
95  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xe0-0xe7 */
96  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xe8-0xef */
97  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xdd, /* 0xf0-0xf7 */
98};
99static const unsigned char cp864_page06[104] = {
100  0x00, 0x00, 0x00, 0x00, 0xac, 0x00, 0x00, 0x00, /* 0x08-0x0f */
101  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */
102  0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0xbf, /* 0x18-0x1f */
103  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
104  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
105  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
106  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
107  0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
108  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
109  0x00, 0xf1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
110  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */
111  0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0x60-0x67 */
112  0xb8, 0xb9, 0x25, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
113};
114static const unsigned char cp864_page22[56] = {
115  0x00, 0x82, 0x83, 0x00, 0x00, 0x00, 0x91, 0x00, /* 0x18-0x1f */
116  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
117  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
118  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
119  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
120  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
121  0x96, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
122};
123static const unsigned char cp864_page25[64] = {
124  0x85, 0x00, 0x86, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
125  0x00, 0x00, 0x00, 0x00, 0x8d, 0x00, 0x00, 0x00, /* 0x08-0x0f */
126  0x8c, 0x00, 0x00, 0x00, 0x8e, 0x00, 0x00, 0x00, /* 0x10-0x17 */
127  0x8f, 0x00, 0x00, 0x00, 0x8a, 0x00, 0x00, 0x00, /* 0x18-0x1f */
128  0x00, 0x00, 0x00, 0x00, 0x88, 0x00, 0x00, 0x00, /* 0x20-0x27 */
129  0x00, 0x00, 0x00, 0x00, 0x89, 0x00, 0x00, 0x00, /* 0x28-0x2f */
130  0x00, 0x00, 0x00, 0x00, 0x8b, 0x00, 0x00, 0x00, /* 0x30-0x37 */
131  0x00, 0x00, 0x00, 0x00, 0x87, 0x00, 0x00, 0x00, /* 0x38-0x3f */
132};
133static const unsigned char cp864_pagefe[136] = {
134  0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x00, 0x00, /* 0x78-0x7f */
135  0xc1, 0xc2, 0xa2, 0xc3, 0xa5, 0xc4, 0x00, 0x00, /* 0x80-0x87 */
136  0x00, 0x00, 0x00, 0xc6, 0x00, 0xc7, 0xa8, 0xa9, /* 0x88-0x8f */
137  0x00, 0xc8, 0x00, 0xc9, 0x00, 0xaa, 0x00, 0xca, /* 0x90-0x97 */
138  0x00, 0xab, 0x00, 0xcb, 0x00, 0xad, 0x00, 0xcc, /* 0x98-0x9f */
139  0x00, 0xae, 0x00, 0xcd, 0x00, 0xaf, 0x00, 0xce, /* 0xa0-0xa7 */
140  0x00, 0xcf, 0x00, 0xd0, 0x00, 0xd1, 0x00, 0xd2, /* 0xa8-0xaf */
141  0x00, 0xbc, 0x00, 0xd3, 0x00, 0xbd, 0x00, 0xd4, /* 0xb0-0xb7 */
142  0x00, 0xbe, 0x00, 0xd5, 0x00, 0xeb, 0x00, 0xd6, /* 0xb8-0xbf */
143  0x00, 0xd7, 0x00, 0x00, 0x00, 0xd8, 0x00, 0x00, /* 0xc0-0xc7 */
144  0x00, 0xdf, 0xc5, 0xd9, 0xec, 0xee, 0xed, 0xda, /* 0xc8-0xcf */
145  0xf7, 0xba, 0x00, 0xe1, 0x00, 0xf8, 0x00, 0xe2, /* 0xd0-0xd7 */
146  0x00, 0xfc, 0x00, 0xe3, 0x00, 0xfb, 0x00, 0xe4, /* 0xd8-0xdf */
147  0x00, 0xef, 0x00, 0xe5, 0x00, 0xf2, 0x00, 0xe6, /* 0xe0-0xe7 */
148  0x00, 0xf3, 0x00, 0xe7, 0xf4, 0xe8, 0x00, 0xe9, /* 0xe8-0xef */
149  0xf5, 0xfd, 0xf6, 0xea, 0x00, 0xf9, 0xfa, 0x99, /* 0xf0-0xf7 */
150  0x9a, 0x00, 0x00, 0x9d, 0x9e, 0x00, 0x00, 0x00, /* 0xf8-0xff */
151};
152
153static int
154cp864_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
155{
156  unsigned char c = 0;
157  if (wc < 0x0020) {
158    *r = wc;
159    return 1;
160  }
161  else if (wc >= 0x0020 && wc < 0x0028)
162    c = cp864_page00[wc-0x0020];
163  else if (wc >= 0x0028 && wc < 0x0080)
164    c = wc;
165  else if (wc >= 0x00a0 && wc < 0x00f8)
166    c = cp864_page00_1[wc-0x00a0];
167  else if (wc == 0x03b2)
168    c = 0x90;
169  else if (wc == 0x03c6)
170    c = 0x92;
171  else if (wc >= 0x0608 && wc < 0x0670)
172    c = cp864_page06[wc-0x0608];
173  else if (wc >= 0x2218 && wc < 0x2250)
174    c = cp864_page22[wc-0x2218];
175  else if (wc >= 0x2500 && wc < 0x2540)
176    c = cp864_page25[wc-0x2500];
177  else if (wc == 0x2592)
178    c = 0x84;
179  else if (wc == 0x25a0)
180    c = 0xfe;
181  else if (wc >= 0xfe78 && wc < 0xff00)
182    c = cp864_pagefe[wc-0xfe78];
183  if (c != 0) {
184    *r = c;
185    return 1;
186  }
187  return RET_ILUNI;
188}
189