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 * CP853
23 */
24
25 static const unsigned short cp853_2uni[128] = {
26 /* 0x80 */
27 0x00c7, 0x00fc, 0x00e9, 0x00e2, 0x00e4, 0x00e0, 0x0109, 0x00e7,
28 0x00ea, 0x00eb, 0x00e8, 0x00ef, 0x00ee, 0x00ec, 0x00c4, 0x0108,
29 /* 0x90 */
30 0x00c9, 0x010b, 0x010a, 0x00f4, 0x00f6, 0x00f2, 0x00fb, 0x00f9,
31 0x0130, 0x00d6, 0x00dc, 0x011d, 0x00a3, 0x011c, 0x00d7, 0x0135,
32 /* 0xa0 */
33 0x00e1, 0x00ed, 0x00f3, 0x00fa, 0x00f1, 0x00d1, 0x011e, 0x011f,
34 0x0124, 0x0125, 0xfffd, 0x00bd, 0x0134, 0x015f, 0x00ab, 0x00bb,
35 /* 0xb0 */
36 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x00c1, 0x00c2, 0x00c0,
37 0x015e, 0x2563, 0x2551, 0x2557, 0x255d, 0x017b, 0x017c, 0x2510,
38 /* 0xc0 */
39 0x2514, 0x2534, 0x252c, 0x251c, 0x2500, 0x253c, 0x015c, 0x015d,
40 0x255a, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256c, 0x00a4,
41 /* 0xd0 */
42 0xfffd, 0xfffd, 0x00ca, 0x00cb, 0x00c8, 0x0131, 0x00cd, 0x00ce,
43 0x00cf, 0x2518, 0x250c, 0x2588, 0x2584, 0xfffd, 0x00cc, 0x2580,
44 /* 0xe0 */
45 0x00d3, 0x00df, 0x00d4, 0x00d2, 0x0120, 0x0121, 0x00b5, 0x0126,
46 0x0127, 0x00da, 0x00db, 0x00d9, 0x016c, 0x016d, 0xfffd, 0x00b4,
47 /* 0xf0 */
48 0x00ad, 0xfffd, 0x2113, 0x0149, 0x02d8, 0x00a7, 0x00f7, 0x00b8,
49 0x00b0, 0x00a8, 0x02d9, 0xfffd, 0x00b3, 0x00b2, 0x25a0, 0x00a0,
50 };
51
52 static int
cp853_mbtowc(conv_t conv,ucs4_t * pwc,const unsigned char * s,int n)53 cp853_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 = cp853_2uni[c-0x80];
62 if (wc != 0xfffd) {
63 *pwc = (ucs4_t) wc;
64 return 1;
65 }
66 }
67 return RET_ILSEQ;
68 }
69
70 static const unsigned char cp853_page00[96] = {
71 0xff, 0x00, 0x00, 0x9c, 0xcf, 0x00, 0x00, 0xf5, /* 0xa0-0xa7 */
72 0xf9, 0x00, 0x00, 0xae, 0x00, 0xf0, 0x00, 0x00, /* 0xa8-0xaf */
73 0xf8, 0x00, 0xfd, 0xfc, 0xef, 0xe6, 0x00, 0x00, /* 0xb0-0xb7 */
74 0xf7, 0x00, 0x00, 0xaf, 0x00, 0xab, 0x00, 0x00, /* 0xb8-0xbf */
75 0xb7, 0xb5, 0xb6, 0x00, 0x8e, 0x00, 0x00, 0x80, /* 0xc0-0xc7 */
76 0xd4, 0x90, 0xd2, 0xd3, 0xde, 0xd6, 0xd7, 0xd8, /* 0xc8-0xcf */
77 0x00, 0xa5, 0xe3, 0xe0, 0xe2, 0x00, 0x99, 0x9e, /* 0xd0-0xd7 */
78 0x00, 0xeb, 0xe9, 0xea, 0x9a, 0x00, 0x00, 0xe1, /* 0xd8-0xdf */
79 0x85, 0xa0, 0x83, 0x00, 0x84, 0x00, 0x00, 0x87, /* 0xe0-0xe7 */
80 0x8a, 0x82, 0x88, 0x89, 0x8d, 0xa1, 0x8c, 0x8b, /* 0xe8-0xef */
81 0x00, 0xa4, 0x95, 0xa2, 0x93, 0x00, 0x94, 0xf6, /* 0xf0-0xf7 */
82 0x00, 0x97, 0xa3, 0x96, 0x81, 0x00, 0x00, 0x00, /* 0xf8-0xff */
83 };
84 static const unsigned char cp853_page01[120] = {
85 0x8f, 0x86, 0x92, 0x91, 0x00, 0x00, 0x00, 0x00, /* 0x08-0x0f */
86 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */
87 0x00, 0x00, 0x00, 0x00, 0x9d, 0x9b, 0xa6, 0xa7, /* 0x18-0x1f */
88 0xe4, 0xe5, 0x00, 0x00, 0xa8, 0xa9, 0xe7, 0xe8, /* 0x20-0x27 */
89 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
90 0x98, 0xd5, 0x00, 0x00, 0xac, 0x9f, 0x00, 0x00, /* 0x30-0x37 */
91 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
92 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
93 0x00, 0xf3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
94 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
95 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc7, 0xb8, 0xad, /* 0x58-0x5f */
96 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
97 0x00, 0x00, 0x00, 0x00, 0xec, 0xed, 0x00, 0x00, /* 0x68-0x6f */
98 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
99 0x00, 0x00, 0x00, 0xbd, 0xbe, 0x00, 0x00, 0x00, /* 0x78-0x7f */
100 };
101 static const unsigned char cp853_page02[8] = {
102 0xf4, 0xfa, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd8-0xdf */
103 };
104 static const unsigned char cp853_page25[168] = {
105 0xc4, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
106 0x00, 0x00, 0x00, 0x00, 0xda, 0x00, 0x00, 0x00, /* 0x08-0x0f */
107 0xbf, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 0x10-0x17 */
108 0xd9, 0x00, 0x00, 0x00, 0xc3, 0x00, 0x00, 0x00, /* 0x18-0x1f */
109 0x00, 0x00, 0x00, 0x00, 0xb4, 0x00, 0x00, 0x00, /* 0x20-0x27 */
110 0x00, 0x00, 0x00, 0x00, 0xc2, 0x00, 0x00, 0x00, /* 0x28-0x2f */
111 0x00, 0x00, 0x00, 0x00, 0xc1, 0x00, 0x00, 0x00, /* 0x30-0x37 */
112 0x00, 0x00, 0x00, 0x00, 0xc5, 0x00, 0x00, 0x00, /* 0x38-0x3f */
113 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
114 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
115 0xcd, 0xba, 0x00, 0x00, 0xc9, 0x00, 0x00, 0xbb, /* 0x50-0x57 */
116 0x00, 0x00, 0xc8, 0x00, 0x00, 0xbc, 0x00, 0x00, /* 0x58-0x5f */
117 0xcc, 0x00, 0x00, 0xb9, 0x00, 0x00, 0xcb, 0x00, /* 0x60-0x67 */
118 0x00, 0xca, 0x00, 0x00, 0xce, 0x00, 0x00, 0x00, /* 0x68-0x6f */
119 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
120 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */
121 0xdf, 0x00, 0x00, 0x00, 0xdc, 0x00, 0x00, 0x00, /* 0x80-0x87 */
122 0xdb, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
123 0x00, 0xb0, 0xb1, 0xb2, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
124 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9f */
125 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */
126 };
127
128 static int
cp853_wctomb(conv_t conv,unsigned char * r,ucs4_t wc,int n)129 cp853_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
130 {
131 unsigned char c = 0;
132 if (wc < 0x0080) {
133 *r = wc;
134 return 1;
135 }
136 else if (wc >= 0x00a0 && wc < 0x0100)
137 c = cp853_page00[wc-0x00a0];
138 else if (wc >= 0x0108 && wc < 0x0180)
139 c = cp853_page01[wc-0x0108];
140 else if (wc >= 0x02d8 && wc < 0x02e0)
141 c = cp853_page02[wc-0x02d8];
142 else if (wc == 0x2113)
143 c = 0xf2;
144 else if (wc >= 0x2500 && wc < 0x25a8)
145 c = cp853_page25[wc-0x2500];
146 if (c != 0) {
147 *r = c;
148 return 1;
149 }
150 return RET_ILUNI;
151 }
152