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: * CP856
23: */
24:
25: static const unsigned short cp856_2uni[128] = {
26: /* 0x80 */
27: 0x05d0, 0x05d1, 0x05d2, 0x05d3, 0x05d4, 0x05d5, 0x05d6, 0x05d7,
28: 0x05d8, 0x05d9, 0x05da, 0x05db, 0x05dc, 0x05dd, 0x05de, 0x05df,
29: /* 0x90 */
30: 0x05e0, 0x05e1, 0x05e2, 0x05e3, 0x05e4, 0x05e5, 0x05e6, 0x05e7,
31: 0x05e8, 0x05e9, 0x05ea, 0xfffd, 0x00a3, 0xfffd, 0x00d7, 0xfffd,
32: /* 0xa0 */
33: 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
34: 0xfffd, 0x00ae, 0x00ac, 0x00bd, 0x00bc, 0xfffd, 0x00ab, 0x00bb,
35: /* 0xb0 */
36: 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0xfffd, 0xfffd, 0xfffd,
37: 0x00a9, 0x2563, 0x2551, 0x2557, 0x255d, 0x00a2, 0x00a5, 0x2510,
38: /* 0xc0 */
39: 0x2514, 0x2534, 0x252c, 0x251c, 0x2500, 0x253c, 0xfffd, 0xfffd,
40: 0x255a, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256c, 0x00a4,
41: /* 0xd0 */
42: 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
43: 0xfffd, 0x2518, 0x250c, 0x2588, 0x2584, 0x00a6, 0xfffd, 0x2580,
44: /* 0xe0 */
45: 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0x00b5, 0xfffd,
46: 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0x00af, 0x00b4,
47: /* 0xf0 */
48: 0x00ad, 0x00b1, 0x2017, 0x00be, 0x00b6, 0x00a7, 0x00f7, 0x00b8,
49: 0x00b0, 0x00a8, 0x00b7, 0x00b9, 0x00b3, 0x00b2, 0x25a0, 0x00a0,
50: };
51:
52: static int
53: cp856_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 = cp856_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 cp856_page00[88] = {
71: 0xff, 0x00, 0xbd, 0x9c, 0xcf, 0xbe, 0xdd, 0xf5, /* 0xa0-0xa7 */
72: 0xf9, 0xb8, 0x00, 0xae, 0xaa, 0xf0, 0xa9, 0xee, /* 0xa8-0xaf */
73: 0xf8, 0xf1, 0xfd, 0xfc, 0xef, 0xe6, 0xf4, 0xfa, /* 0xb0-0xb7 */
74: 0xf7, 0xfb, 0x00, 0xaf, 0xac, 0xab, 0xf3, 0x00, /* 0xb8-0xbf */
75: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc0-0xc7 */
76: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */
77: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9e, /* 0xd0-0xd7 */
78: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd8-0xdf */
79: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xe0-0xe7 */
80: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xe8-0xef */
81: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf6, /* 0xf0-0xf7 */
82: };
83: static const unsigned char cp856_page05[32] = {
84: 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 0xd0-0xd7 */
85: 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, /* 0xd8-0xdf */
86: 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0xe0-0xe7 */
87: 0x98, 0x99, 0x9a, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xe8-0xef */
88: };
89: static const unsigned char cp856_page25[168] = {
90: 0xc4, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00-0x07 */
91: 0x00, 0x00, 0x00, 0x00, 0xda, 0x00, 0x00, 0x00, /* 0x08-0x0f */
92: 0xbf, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, /* 0x10-0x17 */
93: 0xd9, 0x00, 0x00, 0x00, 0xc3, 0x00, 0x00, 0x00, /* 0x18-0x1f */
94: 0x00, 0x00, 0x00, 0x00, 0xb4, 0x00, 0x00, 0x00, /* 0x20-0x27 */
95: 0x00, 0x00, 0x00, 0x00, 0xc2, 0x00, 0x00, 0x00, /* 0x28-0x2f */
96: 0x00, 0x00, 0x00, 0x00, 0xc1, 0x00, 0x00, 0x00, /* 0x30-0x37 */
97: 0x00, 0x00, 0x00, 0x00, 0xc5, 0x00, 0x00, 0x00, /* 0x38-0x3f */
98: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40-0x47 */
99: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
100: 0xcd, 0xba, 0x00, 0x00, 0xc9, 0x00, 0x00, 0xbb, /* 0x50-0x57 */
101: 0x00, 0x00, 0xc8, 0x00, 0x00, 0xbc, 0x00, 0x00, /* 0x58-0x5f */
102: 0xcc, 0x00, 0x00, 0xb9, 0x00, 0x00, 0xcb, 0x00, /* 0x60-0x67 */
103: 0x00, 0xca, 0x00, 0x00, 0xce, 0x00, 0x00, 0x00, /* 0x68-0x6f */
104: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
105: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */
106: 0xdf, 0x00, 0x00, 0x00, 0xdc, 0x00, 0x00, 0x00, /* 0x80-0x87 */
107: 0xdb, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
108: 0x00, 0xb0, 0xb1, 0xb2, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
109: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x98-0x9f */
110: 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */
111: };
112:
113: static int
114: cp856_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
115: {
116: unsigned char c = 0;
117: if (wc < 0x0080) {
118: *r = wc;
119: return 1;
120: }
121: else if (wc >= 0x00a0 && wc < 0x00f8)
122: c = cp856_page00[wc-0x00a0];
123: else if (wc >= 0x05d0 && wc < 0x05f0)
124: c = cp856_page05[wc-0x05d0];
125: else if (wc == 0x2017)
126: c = 0xf2;
127: else if (wc >= 0x2500 && wc < 0x25a8)
128: c = cp856_page25[wc-0x2500];
129: if (c != 0) {
130: *r = c;
131: return 1;
132: }
133: return RET_ILUNI;
134: }
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