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1 office 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 * IBM-CP1133
23 */
24  
25 static const unsigned short cp1133_2uni_1[64] = {
26 /* 0xa0 */
27 0x00a0, 0x0e81, 0x0e82, 0x0e84, 0x0e87, 0x0e88, 0x0eaa, 0x0e8a,
28 0x0e8d, 0x0e94, 0x0e95, 0x0e96, 0x0e97, 0x0e99, 0x0e9a, 0x0e9b,
29 /* 0xb0 */
30 0x0e9c, 0x0e9d, 0x0e9e, 0x0e9f, 0x0ea1, 0x0ea2, 0x0ea3, 0x0ea5,
31 0x0ea7, 0x0eab, 0x0ead, 0x0eae, 0xfffd, 0xfffd, 0xfffd, 0x0eaf,
32 /* 0xc0 */
33 0x0eb0, 0x0eb2, 0x0eb3, 0x0eb4, 0x0eb5, 0x0eb6, 0x0eb7, 0x0eb8,
34 0x0eb9, 0x0ebc, 0x0eb1, 0x0ebb, 0x0ebd, 0xfffd, 0xfffd, 0xfffd,
35 /* 0xd0 */
36 0x0ec0, 0x0ec1, 0x0ec2, 0x0ec3, 0x0ec4, 0x0ec8, 0x0ec9, 0x0eca,
37 0x0ecb, 0x0ecc, 0x0ecd, 0x0ec6, 0xfffd, 0x0edc, 0x0edd, 0x20ad,
38 };
39 static const unsigned short cp1133_2uni_2[16] = {
40 /* 0xf0 */
41 0x0ed0, 0x0ed1, 0x0ed2, 0x0ed3, 0x0ed4, 0x0ed5, 0x0ed6, 0x0ed7,
42 0x0ed8, 0x0ed9, 0xfffd, 0xfffd, 0x00a2, 0x00ac, 0x00a6, 0xfffd,
43 };
44  
45 static int
46 cp1133_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
47 {
48 unsigned char c = *s;
49 if (c < 0xa0) {
50 *pwc = (ucs4_t) c;
51 return 1;
52 }
53 else if (c < 0xe0) {
54 unsigned short wc = cp1133_2uni_1[c-0xa0];
55 if (wc != 0xfffd) {
56 *pwc = (ucs4_t) wc;
57 return 1;
58 }
59 }
60 else if (c < 0xf0) {
61 }
62 else {
63 unsigned short wc = cp1133_2uni_2[c-0xf0];
64 if (wc != 0xfffd) {
65 *pwc = (ucs4_t) wc;
66 return 1;
67 }
68 }
69 return RET_ILSEQ;
70 }
71  
72 static const unsigned char cp1133_page00[16] = {
73 0xa0, 0x00, 0xfc, 0x00, 0x00, 0x00, 0xfe, 0x00, /* 0xa0-0xa7 */
74 0x00, 0x00, 0x00, 0x00, 0xfd, 0x00, 0x00, 0x00, /* 0xa8-0xaf */
75 };
76 static const unsigned char cp1133_page0e[96] = {
77 0x00, 0xa1, 0xa2, 0x00, 0xa3, 0x00, 0x00, 0xa4, /* 0x80-0x87 */
78 0xa5, 0x00, 0xa7, 0x00, 0x00, 0xa8, 0x00, 0x00, /* 0x88-0x8f */
79 0x00, 0x00, 0x00, 0x00, 0xa9, 0xaa, 0xab, 0xac, /* 0x90-0x97 */
80 0x00, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, /* 0x98-0x9f */
81 0x00, 0xb4, 0xb5, 0xb6, 0x00, 0xb7, 0x00, 0xb8, /* 0xa0-0xa7 */
82 0x00, 0x00, 0xa6, 0xb9, 0x00, 0xba, 0xbb, 0xbf, /* 0xa8-0xaf */
83 0xc0, 0xca, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, /* 0xb0-0xb7 */
84 0xc7, 0xc8, 0x00, 0xcb, 0xc9, 0xcc, 0x00, 0x00, /* 0xb8-0xbf */
85 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0x00, 0xdb, 0x00, /* 0xc0-0xc7 */
86 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0x00, 0x00, /* 0xc8-0xcf */
87 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xd0-0xd7 */
88 0xf8, 0xf9, 0x00, 0x00, 0xdd, 0xde, 0x00, 0x00, /* 0xd8-0xdf */
89 };
90  
91 static int
92 cp1133_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
93 {
94 unsigned char c = 0;
95 if (wc < 0x00a0) {
96 *r = wc;
97 return 1;
98 }
99 else if (wc >= 0x00a0 && wc < 0x00b0)
100 c = cp1133_page00[wc-0x00a0];
101 else if (wc >= 0x0e80 && wc < 0x0ee0)
102 c = cp1133_page0e[wc-0x0e80];
103 else if (wc == 0x20ad)
104 c = 0xdf;
105 if (c != 0) {
106 *r = c;
107 return 1;
108 }
109 return RET_ILUNI;
110 }