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1 office 1 /*
2 * Copyright (C) 1999-2001, 2005, 2011 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 * GB18030 two-byte extension
23 */
24  
25 static const unsigned short gb18030ext_2uni_pagea9[13] = {
26 /* 0xa9 */
27 0x303e, 0x2ff0, 0x2ff1, 0x2ff2, 0x2ff3, 0x2ff4, 0x2ff5, 0x2ff6,
28 0x2ff7, 0x2ff8, 0x2ff9, 0x2ffa, 0x2ffb,
29 };
30 static const unsigned int gb18030ext_2uni_pagefe[96] = {
31 /* 0xfe */
32 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
33 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd,
34 0x2e81, 0x20087, 0x20089, 0x200cc, 0x2e84, 0x3473, 0x3447, 0x2e88,
35 0x2e8b, 0x9fb4, 0x359e, 0x361a, 0x360e, 0x2e8c, 0x2e97, 0x396e,
36 0x3918, 0x9fb5, 0x39cf, 0x39df, 0x3a73, 0x39d0, 0x9fb6, 0x9fb7,
37 0x3b4e, 0x3c6e, 0x3ce0, 0x2ea7, 0x215d7, 0x9fb8, 0x2eaa, 0x4056,
38 0x415f, 0x2eae, 0x4337, 0x2eb3, 0x2eb6, 0x2eb7, 0x2298f, 0x43b1,
39 0x43ac, 0x2ebb, 0x43dd, 0x44d6, 0x4661, 0x464c, 0x9fb9, 0x4723,
40 0x4729, 0x477c, 0x478d, 0x2eca, 0x4947, 0x497a, 0x497d, 0x4982,
41 0x4983, 0x4985, 0x4986, 0x499f, 0x499b, 0x49b7, 0x49b6, 0x9fba,
42 0x241fe, 0x4ca3, 0x4c9f, 0x4ca0, 0x4ca1, 0x4c77, 0x4ca2, 0x4d13,
43 0x4d14, 0x4d15, 0x4d16, 0x4d17, 0x4d18, 0x4d19, 0x4dae, 0x9fbb,
44 };
45  
46 static int
47 gb18030ext_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
48 {
49 unsigned char c1 = s[0];
50 if ((c1 == 0xa2) || (c1 >= 0xa4 && c1 <= 0xa9) || (c1 == 0xd7) || (c1 == 0xfe)) {
51 if (n >= 2) {
52 unsigned char c2 = s[1];
53 if ((c2 >= 0x40 && c2 < 0x7f) || (c2 >= 0x80 && c2 < 0xff)) {
54 unsigned int i = 190 * (c1 - 0x81) + (c2 - (c2 >= 0x80 ? 0x41 : 0x40));
55 unsigned int wc = 0xfffd;
56 switch (c1) {
57 case 0xa2:
58 if (i >= 6376 && i <= 6381) /* 0xA2AB..0xA2B0 */
59 wc = 0xe766 + (i - 6376);
60 else if (i == 6432) /* 0xA2E3 */
61 wc = 0x20ac;
62 else if (i == 6433) /* 0xA2E4 */
63 wc = 0xe76d;
64 else if (i >= 6444 && i <= 6445) /* 0xA2EF..0xA2F0 */
65 wc = 0xe76e + (i - 6444);
66 else if (i >= 6458 && i <= 6459) /* 0xA2FD..0xA2FE */
67 wc = 0xe770 + (i - 6458);
68 break;
69 case 0xa4:
70 if (i >= 6829 && i <= 6839) /* 0xA4F4..0xA4FE */
71 wc = 0xe772 + (i - 6829);
72 break;
73 case 0xa5:
74 if (i >= 7022 && i <= 7029) /* 0xA5F7..0xA5FE */
75 wc = 0xe77d + (i - 7022);
76 break;
77 case 0xa6:
78 if (i >= 7150 && i <= 7157) /* 0xA6B9..0xA6C0 */
79 wc = 0xe785 + (i - 7150);
80 else if (i >= 7183 && i <= 7184) /* 0xA6DA..0xA6DB */
81 wc = 0xfe12 - (i - 7183);
82 else if (i >= 7182 && i <= 7190) /* 0xA6D9..0xA6DF */
83 wc = 0xfe10 + (i - 7182);
84 else if (i >= 7201 && i <= 7202) /* 0xA6EC..0xA6ED */
85 wc = 0xfe17 + (i - 7201);
86 else if (i == 7208) /* 0xA6F3 */
87 wc = 0xfe19;
88 else if (i >= 7211 && i <= 7219) /* 0xA6F6..0xA6FE */
89 wc = 0xe797 + (i - 7211);
90 break;
91 case 0xa7:
92 if (i >= 7349 && i <= 7363) /* 0xA7C2..0xA7D0 */
93 wc = 0xe7a0 + (i - 7349);
94 else if (i >= 7397 && i <= 7409) /* 0xA7F2..0xA7FE */
95 wc = 0xe7af + (i - 7397);
96 break;
97 case 0xa8:
98 if (i >= 7495 && i <= 7505) /* 0xA896..0xA8A0 */
99 wc = 0xe7bc + (i - 7495);
100 else if (i == 7533) /* 0xA8BC */
101 wc = 0x1e3f;
102 else if (i == 7536) /* 0xA8BF */
103 wc = 0x01f9;
104 else if (i >= 7538 && i <= 7541) /* 0xA8C1..0xA8C4 */
105 wc = 0xe7c9 + (i - 7538);
106 else if (i >= 7579 && i <= 7599) /* 0xA8EA..0xA8FE */
107 wc = 0xe7cd + (i - 7579);
108 break;
109 case 0xa9:
110 if (i == 7624) /* 0xA958 */
111 wc = 0xe7e2;
112 else if (i == 7627) /* 0xA95B */
113 wc = 0xe7e3;
114 else if (i >= 7629 && i <= 7631) /* 0xA95D..0xA95F */
115 wc = 0xe7e4 + (i - 7629);
116 else if (i >= 7672 && i < 7685) /* 0xA989..0xA995 */
117 wc = gb18030ext_2uni_pagea9[i-7672];
118 else if (i >= 7686 && i <= 7698) /* 0xA997..0xA9A3 */
119 wc = 0xe7f4 + (i - 7686);
120 else if (i >= 7775 && i <= 7789) /* 0xA9F0..0xA9FE */
121 wc = 0xe801 + (i - 7775);
122 break;
123 case 0xd7:
124 if (i >= 16525 && i <= 16529) /* 0xD7FA..0xD7FE */
125 wc = 0xe810 + (i - 16525);
126 break;
127 case 0xfe:
128 if (i < 23846)
129 wc = gb18030ext_2uni_pagefe[i-23750];
130 break;
131 default:
132 break;
133 }
134 if (wc != 0xfffd) {
135 *pwc = (ucs4_t) wc;
136 return 2;
137 }
138 }
139 return RET_ILSEQ;
140 }
141 return RET_TOOFEW(0);
142 }
143 return RET_ILSEQ;
144 }
145  
146 static const unsigned short gb18030ext_page2e[80] = {
147 0x0000, 0xfe50, 0x0000, 0x0000, 0xfe54, 0x0000, 0x0000, 0x0000, /*0x80-0x87*/
148 0xfe57, 0x0000, 0x0000, 0xfe58, 0xfe5d, 0x0000, 0x0000, 0x0000, /*0x88-0x8f*/
149 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe5e, /*0x90-0x97*/
150 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x98-0x9f*/
151 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe6b, /*0xa0-0xa7*/
152 0x0000, 0x0000, 0xfe6e, 0x0000, 0x0000, 0x0000, 0xfe71, 0x0000, /*0xa8-0xaf*/
153 0x0000, 0x0000, 0x0000, 0xfe73, 0x0000, 0x0000, 0xfe74, 0xfe75, /*0xb0-0xb7*/
154 0x0000, 0x0000, 0x0000, 0xfe79, 0x0000, 0x0000, 0x0000, 0x0000, /*0xb8-0xbf*/
155 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0xc0-0xc7*/
156 0x0000, 0x0000, 0xfe84, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0xc8-0xcf*/
157 };
158 static const unsigned short gb18030ext_page2f[16] = {
159 0xa98a, 0xa98b, 0xa98c, 0xa98d, 0xa98e, 0xa98f, 0xa990, 0xa991, /*0xf0-0xf7*/
160 0xa992, 0xa993, 0xa994, 0xa995, 0x0000, 0x0000, 0x0000, 0x0000, /*0xf8-0xff*/
161 };
162 static const unsigned short gb18030ext_page34[56] = {
163 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe56, /*0x40-0x47*/
164 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x48-0x4f*/
165 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x50-0x57*/
166 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x58-0x5f*/
167 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x60-0x67*/
168 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x68-0x6f*/
169 0x0000, 0x0000, 0x0000, 0xfe55, 0x0000, 0x0000, 0x0000, 0x0000, /*0x70-0x77*/
170 };
171 static const unsigned short gb18030ext_page36[24] = {
172 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe5c, 0x0000, /*0x08-0x0f*/
173 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x10-0x17*/
174 0x0000, 0x0000, 0xfe5b, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x18-0x1f*/
175 };
176 static const unsigned short gb18030ext_page39[24] = {
177 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe62, /*0xc8-0xcf*/
178 0xfe65, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0xd0-0xd7*/
179 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe63, /*0xd8-0xdf*/
180 };
181 static const unsigned short gb18030ext_page43[56] = {
182 0x0000, 0x0000, 0x0000, 0x0000, 0xfe78, 0x0000, 0x0000, 0x0000, /*0xa8-0xaf*/
183 0x0000, 0xfe77, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0xb0-0xb7*/
184 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0xb8-0xbf*/
185 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0xc0-0xc7*/
186 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0xc8-0xcf*/
187 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0xd0-0xd7*/
188 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe7a, 0x0000, 0x0000, /*0xd8-0xdf*/
189 };
190 static const unsigned short gb18030ext_page46[32] = {
191 0x0000, 0x0000, 0x0000, 0x0000, 0xfe7d, 0x0000, 0x0000, 0x0000, /*0x48-0x4f*/
192 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x50-0x57*/
193 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x58-0x5f*/
194 0x0000, 0xfe7c, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x60-0x67*/
195 };
196 static const unsigned short gb18030ext_page47_1[16] = {
197 0x0000, 0x0000, 0x0000, 0xfe80, 0x0000, 0x0000, 0x0000, 0x0000, /*0x20-0x27*/
198 0x0000, 0xfe81, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x28-0x2f*/
199 };
200 static const unsigned short gb18030ext_page47_2[24] = {
201 0x0000, 0x0000, 0x0000, 0x0000, 0xfe82, 0x0000, 0x0000, 0x0000, /*0x78-0x7f*/
202 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x80-0x87*/
203 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe83, 0x0000, 0x0000, /*0x88-0x8f*/
204 };
205 static const unsigned short gb18030ext_page49[120] = {
206 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe85, /*0x40-0x47*/
207 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x48-0x4f*/
208 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x50-0x57*/
209 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x58-0x5f*/
210 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x60-0x67*/
211 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x68-0x6f*/
212 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x70-0x77*/
213 0x0000, 0x0000, 0xfe86, 0x0000, 0x0000, 0xfe87, 0x0000, 0x0000, /*0x78-0x7f*/
214 0x0000, 0x0000, 0xfe88, 0xfe89, 0x0000, 0xfe8a, 0xfe8b, 0x0000, /*0x80-0x87*/
215 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x88-0x8f*/
216 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x90-0x97*/
217 0x0000, 0x0000, 0x0000, 0xfe8d, 0x0000, 0x0000, 0x0000, 0xfe8c, /*0x98-0x9f*/
218 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0xa0-0xa7*/
219 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0xa8-0xaf*/
220 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe8f, 0xfe8e, /*0xb0-0xb7*/
221 };
222 static const unsigned short gb18030ext_page4c[56] = {
223 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe96, /*0x70-0x77*/
224 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x78-0x7f*/
225 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x80-0x87*/
226 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x88-0x8f*/
227 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x90-0x97*/
228 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe93, /*0x98-0x9f*/
229 0xfe94, 0xfe95, 0xfe97, 0xfe92, 0x0000, 0x0000, 0x0000, 0x0000, /*0xa0-0xa7*/
230 };
231 static const unsigned short gb18030ext_page4d[16] = {
232 0x0000, 0x0000, 0x0000, 0xfe98, 0xfe99, 0xfe9a, 0xfe9b, 0xfe9c, /*0x10-0x17*/
233 0xfe9d, 0xfe9e, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x18-0x1f*/
234 };
235 static const unsigned short gb18030ext_page9f[16] = {
236 0x0000, 0x0000, 0x0000, 0x0000, 0xfe59, 0xfe61, 0xfe66, 0xfe67, /*0xb0-0xb7*/
237 0xfe6d, 0xfe7e, 0xfe90, 0xfea0, 0x0000, 0x0000, 0x0000, 0x0000, /*0xb8-0xbf*/
238 };
239 static const unsigned short gb18030ext_pagefe[16] = {
240 0xa6d9, 0xa6db, 0xa6da, 0xa6dc, 0xa6dd, 0xa6de, 0xa6df, 0xa6ec, /*0x10-0x17*/
241 0xa6ed, 0xa6f3, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x18-0x1f*/
242 };
243  
244 static int
245 gb18030ext_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
246 {
247 if (n >= 2) {
248 unsigned short c = 0;
249 if (wc == 0x01f9)
250 c = 0xa8bf;
251 else if (wc == 0x1e3f)
252 c = 0xa8bc;
253 else if (wc == 0x20ac)
254 c = 0xa2e3;
255 else if (wc >= 0x2e80 && wc < 0x2ed0)
256 c = gb18030ext_page2e[wc-0x2e80];
257 else if (wc >= 0x2ff0 && wc < 0x3000)
258 c = gb18030ext_page2f[wc-0x2ff0];
259 else if (wc == 0x303e)
260 c = 0xa989;
261 else if (wc >= 0x3440 && wc < 0x3478)
262 c = gb18030ext_page34[wc-0x3440];
263 else if (wc == 0x359e)
264 c = 0xfe5a;
265 else if (wc >= 0x3608 && wc < 0x3620)
266 c = gb18030ext_page36[wc-0x3608];
267 else if (wc == 0x3918)
268 c = 0xfe60;
269 else if (wc == 0x396e)
270 c = 0xfe5f;
271 else if (wc >= 0x39c8 && wc < 0x39e0)
272 c = gb18030ext_page39[wc-0x39c8];
273 else if (wc == 0x3a73)
274 c = 0xfe64;
275 else if (wc == 0x3b4e)
276 c = 0xfe68;
277 else if (wc == 0x3c6e)
278 c = 0xfe69;
279 else if (wc == 0x3ce0)
280 c = 0xfe6a;
281 else if (wc == 0x4056)
282 c = 0xfe6f;
283 else if (wc == 0x415f)
284 c = 0xfe70;
285 else if (wc == 0x4337)
286 c = 0xfe72;
287 else if (wc >= 0x43a8 && wc < 0x43e0)
288 c = gb18030ext_page43[wc-0x43a8];
289 else if (wc == 0x44d6)
290 c = 0xfe7b;
291 else if (wc >= 0x4648 && wc < 0x4668)
292 c = gb18030ext_page46[wc-0x4648];
293 else if (wc >= 0x4720 && wc < 0x4730)
294 c = gb18030ext_page47_1[wc-0x4720];
295 else if (wc >= 0x4778 && wc < 0x4790)
296 c = gb18030ext_page47_2[wc-0x4778];
297 else if (wc >= 0x4940 && wc < 0x49b8)
298 c = gb18030ext_page49[wc-0x4940];
299 else if (wc >= 0x4c70 && wc < 0x4ca8)
300 c = gb18030ext_page4c[wc-0x4c70];
301 else if (wc >= 0x4d10 && wc < 0x4d20)
302 c = gb18030ext_page4d[wc-0x4d10];
303 else if (wc == 0x4dae)
304 c = 0xfe9f;
305 else if (wc >= 0x9fb4 && wc < 0x9fbc)
306 c = gb18030ext_page9f[wc-0x9fb0];
307 else if (wc >= 0xfe10 && wc < 0xfe1a)
308 c = gb18030ext_pagefe[wc-0xfe10];
309 else if (wc == 0x20087)
310 c = 0xfe51;
311 else if (wc == 0x20089)
312 c = 0xfe52;
313 else if (wc == 0x200cc)
314 c = 0xfe53;
315 else if (wc == 0x215d7)
316 c = 0xfe6c;
317 else if (wc == 0x2298f)
318 c = 0xfe76;
319 else if (wc == 0x241fe)
320 c = 0xfe91;
321 if (c != 0) {
322 r[0] = (c >> 8); r[1] = (c & 0xff);
323 return 2;
324 }
325 return RET_ILUNI;
326 }
327 return RET_TOOSMALL;
328 }