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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 * CP1254
23 */
24  
25 static const unsigned short cp1254_2uni_1[32] = {
26 /* 0x80 */
27 0x20ac, 0xfffd, 0x201a, 0x0192, 0x201e, 0x2026, 0x2020, 0x2021,
28 0x02c6, 0x2030, 0x0160, 0x2039, 0x0152, 0xfffd, 0xfffd, 0xfffd,
29 /* 0x90 */
30 0xfffd, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
31 0x02dc, 0x2122, 0x0161, 0x203a, 0x0153, 0xfffd, 0xfffd, 0x0178,
32 };
33 static const unsigned short cp1254_2uni_2[16] = {
34 /* 0xd0 */
35 0x011e, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7,
36 0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x0130, 0x015e, 0x00df,
37 };
38 static const unsigned short cp1254_2uni_3[16] = {
39 /* 0xf0 */
40 0x011f, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6, 0x00f7,
41 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x0131, 0x015f, 0x00ff,
42 };
43  
44 static int
45 cp1254_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
46 {
47 unsigned char c = *s;
48 if (c < 0x80) {
49 *pwc = (ucs4_t) c;
50 return 1;
51 }
52 else if (c < 0xa0) {
53 unsigned short wc = cp1254_2uni_1[c-0x80];
54 if (wc != 0xfffd) {
55 *pwc = (ucs4_t) wc;
56 return 1;
57 }
58 }
59 else if (c < 0xd0) {
60 *pwc = (ucs4_t) c;
61 return 1;
62 }
63 else if (c < 0xe0) {
64 *pwc = (ucs4_t) cp1254_2uni_2[c-0xd0];
65 return 1;
66 }
67 else if (c < 0xf0) {
68 *pwc = (ucs4_t) c;
69 return 1;
70 }
71 else {
72 *pwc = (ucs4_t) cp1254_2uni_3[c-0xf0];
73 return 1;
74 }
75 return RET_ILSEQ;
76 }
77  
78 static const unsigned char cp1254_page00[48] = {
79 0x00, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xd0-0xd7 */
80 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0x00, 0x00, 0xdf, /* 0xd8-0xdf */
81 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xe0-0xe7 */
82 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0xe8-0xef */
83 0x00, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0-0xf7 */
84 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0x00, 0x00, 0xff, /* 0xf8-0xff */
85 };
86 static const unsigned char cp1254_page01[128] = {
87 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd0, 0xf0, /* 0x18-0x1f */
88 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20-0x27 */
89 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
90 0xdd, 0xfd, 0x00, 0x00, 0x00, 0x00, 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, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x48-0x4f */
94 0x00, 0x00, 0x8c, 0x9c, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */
95 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xde, 0xfe, /* 0x58-0x5f */
96 0x8a, 0x9a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */
97 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */
98 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */
99 0x9f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x78-0x7f */
100 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */
101 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */
102 0x00, 0x00, 0x83, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */
103 };
104 static const unsigned char cp1254_page02[32] = {
105 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x00, /* 0xc0-0xc7 */
106 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */
107 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd0-0xd7 */
108 0x00, 0x00, 0x00, 0x00, 0x98, 0x00, 0x00, 0x00, /* 0xd8-0xdf */
109 };
110 static const unsigned char cp1254_page20[48] = {
111 0x00, 0x00, 0x00, 0x96, 0x97, 0x00, 0x00, 0x00, /* 0x10-0x17 */
112 0x91, 0x92, 0x82, 0x00, 0x93, 0x94, 0x84, 0x00, /* 0x18-0x1f */
113 0x86, 0x87, 0x95, 0x00, 0x00, 0x00, 0x85, 0x00, /* 0x20-0x27 */
114 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */
115 0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */
116 0x00, 0x8b, 0x9b, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */
117 };
118  
119 static int
120 cp1254_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
121 {
122 unsigned char c = 0;
123 if (wc < 0x0080) {
124 *r = wc;
125 return 1;
126 }
127 else if (wc >= 0x00a0 && wc < 0x00d0)
128 c = wc;
129 else if (wc >= 0x00d0 && wc < 0x0100)
130 c = cp1254_page00[wc-0x00d0];
131 else if (wc >= 0x0118 && wc < 0x0198)
132 c = cp1254_page01[wc-0x0118];
133 else if (wc >= 0x02c0 && wc < 0x02e0)
134 c = cp1254_page02[wc-0x02c0];
135 else if (wc >= 0x2010 && wc < 0x2040)
136 c = cp1254_page20[wc-0x2010];
137 else if (wc == 0x20ac)
138 c = 0x80;
139 else if (wc == 0x2122)
140 c = 0x99;
141 if (c != 0) {
142 *r = c;
143 return 1;
144 }
145 return RET_ILUNI;
146 }