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 * CP1252
23 */
24
25 static const unsigned short cp1252_2uni[32] = {
26 /* 0x80 */
27 0x20ac, 0xfffd, 0x201a, 0x0192, 0x201e, 0x2026, 0x2020, 0x2021,
28 0x02c6, 0x2030, 0x0160, 0x2039, 0x0152, 0xfffd, 0x017d, 0xfffd,
29 /* 0x90 */
30 0xfffd, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
31 0x02dc, 0x2122, 0x0161, 0x203a, 0x0153, 0xfffd, 0x017e, 0x0178,
32 };
33
34 static int
cp1252_mbtowc(conv_t conv,ucs4_t * pwc,const unsigned char * s,int n)35 cp1252_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) c;
40 return 1;
41 }
42 else {
43 unsigned short wc = cp1252_2uni[c-0x80];
44 if (wc != 0xfffd) {
45 *pwc = (ucs4_t) wc;
46 return 1;
47 }
48 }
49 return RET_ILSEQ;
50 }
51
52 static const unsigned char cp1252_page01[72] = {
53 0x00, 0x00, 0x8c, 0x9c, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
54 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */
55 0x8a, 0x9a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
56 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
57 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
58 0x9f, 0x00, 0x00, 0x00, 0x00, 0x8e, 0x9e, 0x00, /* 0x78-0x7f */
59 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */
60 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
61 0x00, 0x00, 0x83, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
62 };
63 static const unsigned char cp1252_page02[32] = {
64 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x00, /* 0xc0-0xc7 */
65 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */
66 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd0-0xd7 */
67 0x00, 0x00, 0x00, 0x00, 0x98, 0x00, 0x00, 0x00, /* 0xd8-0xdf */
68 };
69 static const unsigned char cp1252_page20[48] = {
70 0x00, 0x00, 0x00, 0x96, 0x97, 0x00, 0x00, 0x00, /* 0x10-0x17 */
71 0x91, 0x92, 0x82, 0x00, 0x93, 0x94, 0x84, 0x00, /* 0x18-0x1f */
72 0x86, 0x87, 0x95, 0x00, 0x00, 0x00, 0x85, 0x00, /* 0x20-0x27 */
73 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
74 0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
75 0x00, 0x8b, 0x9b, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
76 };
77
78 static int
cp1252_wctomb(conv_t conv,unsigned char * r,ucs4_t wc,int n)79 cp1252_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
80 {
81 unsigned char c = 0;
82 if (wc < 0x0080) {
83 *r = wc;
84 return 1;
85 }
86 else if (wc >= 0x00a0 && wc < 0x0100)
87 c = wc;
88 else if (wc >= 0x0150 && wc < 0x0198)
89 c = cp1252_page01[wc-0x0150];
90 else if (wc >= 0x02c0 && wc < 0x02e0)
91 c = cp1252_page02[wc-0x02c0];
92 else if (wc >= 0x2010 && wc < 0x2040)
93 c = cp1252_page20[wc-0x2010];
94 else if (wc == 0x20ac)
95 c = 0x80;
96 else if (wc == 0x2122)
97 c = 0x99;
98 if (c != 0) {
99 *r = c;
100 return 1;
101 }
102 return RET_ILUNI;
103 }
104