Annotation of embedaddon/libiconv/lib/gb18030ext.h, revision 1.1.1.1
1.1 misho 1: /*
2: * Copyright (C) 1999-2001, 2005 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 short 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, 0xe816, 0xe817, 0xe818, 0x2e84, 0x3473, 0x3447, 0x2e88,
35: 0x2e8b, 0xe81e, 0x359e, 0x361a, 0x360e, 0x2e8c, 0x2e97, 0x396e,
36: 0x3918, 0xe826, 0x39cf, 0x39df, 0x3a73, 0x39d0, 0xe82b, 0xe82c,
37: 0x3b4e, 0x3c6e, 0x3ce0, 0x2ea7, 0xe831, 0xe832, 0x2eaa, 0x4056,
38: 0x415f, 0x2eae, 0x4337, 0x2eb3, 0x2eb6, 0x2eb7, 0xe83b, 0x43b1,
39: 0x43ac, 0x2ebb, 0x43dd, 0x44d6, 0x4661, 0x464c, 0xe843, 0x4723,
40: 0x4729, 0x477c, 0x478d, 0x2eca, 0x4947, 0x497a, 0x497d, 0x4982,
41: 0x4983, 0x4985, 0x4986, 0x499f, 0x499b, 0x49b7, 0x49b6, 0xe854,
42: 0xe855, 0x4ca3, 0x4c9f, 0x4ca0, 0x4ca1, 0x4c77, 0x4ca2, 0x4d13,
43: 0x4d14, 0x4d15, 0x4d16, 0x4d17, 0x4d18, 0x4d19, 0x4dae, 0xe864,
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 short 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 >= 7182 && i <= 7190) /* 0xA6D9..0xA6DF */
81: wc = 0xe78d + (i - 7182);
82: else if (i >= 7201 && i <= 7202) /* 0xA6EC..0xA6ED */
83: wc = 0xe794 + (i - 7201);
84: else if (i == 7208) /* 0xA6F3 */
85: wc = 0xe796;
86: else if (i >= 7211 && i <= 7219) /* 0xA6F6..0xA6FE */
87: wc = 0xe797 + (i - 7211);
88: break;
89: case 0xa7:
90: if (i >= 7349 && i <= 7363) /* 0xA7C2..0xA7D0 */
91: wc = 0xe7a0 + (i - 7349);
92: else if (i >= 7397 && i <= 7409) /* 0xA7F2..0xA7FE */
93: wc = 0xe7af + (i - 7397);
94: break;
95: case 0xa8:
96: if (i >= 7495 && i <= 7505) /* 0xA896..0xA8A0 */
97: wc = 0xe7bc + (i - 7495);
98: else if (i == 7533) /* 0xA8BC */
99: wc = 0xe7c7;
100: else if (i == 7536) /* 0xA8BF */
101: wc = 0x01f9;
102: else if (i >= 7538 && i <= 7541) /* 0xA8C1..0xA8C4 */
103: wc = 0xe7c9 + (i - 7538);
104: else if (i >= 7579 && i <= 7599) /* 0xA8EA..0xA8FE */
105: wc = 0xe7cd + (i - 7579);
106: break;
107: case 0xa9:
108: if (i == 7624) /* 0xA958 */
109: wc = 0xe7e2;
110: else if (i == 7627) /* 0xA95B */
111: wc = 0xe7e3;
112: else if (i >= 7629 && i <= 7631) /* 0xA95D..0xA95F */
113: wc = 0xe7e4 + (i - 7629);
114: else if (i >= 7672 && i < 7685) /* 0xA989..0xA995 */
115: wc = gb18030ext_2uni_pagea9[i-7672];
116: else if (i >= 7686 && i <= 7698) /* 0xA997..0xA9A3 */
117: wc = 0xe7f4 + (i - 7686);
118: else if (i >= 7775 && i <= 7789) /* 0xA9F0..0xA9FE */
119: wc = 0xe801 + (i - 7775);
120: break;
121: case 0xd7:
122: if (i >= 16525 && i <= 16529) /* 0xD7FA..0xD7FE */
123: wc = 0xe810 + (i - 16525);
124: break;
125: case 0xfe:
126: if (i < 23846)
127: wc = gb18030ext_2uni_pagefe[i-23750];
128: break;
129: default:
130: break;
131: }
132: if (wc != 0xfffd) {
133: *pwc = (ucs4_t) wc;
134: return 2;
135: }
136: }
137: return RET_ILSEQ;
138: }
139: return RET_TOOFEW(0);
140: }
141: return RET_ILSEQ;
142: }
143:
144: static const unsigned short gb18030ext_page2e[80] = {
145: 0x0000, 0xfe50, 0x0000, 0x0000, 0xfe54, 0x0000, 0x0000, 0x0000, /*0x80-0x87*/
146: 0xfe57, 0x0000, 0x0000, 0xfe58, 0xfe5d, 0x0000, 0x0000, 0x0000, /*0x88-0x8f*/
147: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe5e, /*0x90-0x97*/
148: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x98-0x9f*/
149: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe6b, /*0xa0-0xa7*/
150: 0x0000, 0x0000, 0xfe6e, 0x0000, 0x0000, 0x0000, 0xfe71, 0x0000, /*0xa8-0xaf*/
151: 0x0000, 0x0000, 0x0000, 0xfe73, 0x0000, 0x0000, 0xfe74, 0xfe75, /*0xb0-0xb7*/
152: 0x0000, 0x0000, 0x0000, 0xfe79, 0x0000, 0x0000, 0x0000, 0x0000, /*0xb8-0xbf*/
153: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0xc0-0xc7*/
154: 0x0000, 0x0000, 0xfe84, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0xc8-0xcf*/
155: };
156: static const unsigned short gb18030ext_page2f[16] = {
157: 0xa98a, 0xa98b, 0xa98c, 0xa98d, 0xa98e, 0xa98f, 0xa990, 0xa991, /*0xf0-0xf7*/
158: 0xa992, 0xa993, 0xa994, 0xa995, 0x0000, 0x0000, 0x0000, 0x0000, /*0xf8-0xff*/
159: };
160: static const unsigned short gb18030ext_page34[56] = {
161: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe56, /*0x40-0x47*/
162: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x48-0x4f*/
163: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x50-0x57*/
164: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x58-0x5f*/
165: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x60-0x67*/
166: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x68-0x6f*/
167: 0x0000, 0x0000, 0x0000, 0xfe55, 0x0000, 0x0000, 0x0000, 0x0000, /*0x70-0x77*/
168: };
169: static const unsigned short gb18030ext_page36[24] = {
170: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe5c, 0x0000, /*0x08-0x0f*/
171: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x10-0x17*/
172: 0x0000, 0x0000, 0xfe5b, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x18-0x1f*/
173: };
174: static const unsigned short gb18030ext_page39[24] = {
175: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe62, /*0xc8-0xcf*/
176: 0xfe65, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0xd0-0xd7*/
177: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe63, /*0xd8-0xdf*/
178: };
179: static const unsigned short gb18030ext_page43[56] = {
180: 0x0000, 0x0000, 0x0000, 0x0000, 0xfe78, 0x0000, 0x0000, 0x0000, /*0xa8-0xaf*/
181: 0x0000, 0xfe77, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0xb0-0xb7*/
182: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0xb8-0xbf*/
183: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0xc0-0xc7*/
184: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0xc8-0xcf*/
185: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0xd0-0xd7*/
186: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe7a, 0x0000, 0x0000, /*0xd8-0xdf*/
187: };
188: static const unsigned short gb18030ext_page46[32] = {
189: 0x0000, 0x0000, 0x0000, 0x0000, 0xfe7d, 0x0000, 0x0000, 0x0000, /*0x48-0x4f*/
190: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x50-0x57*/
191: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x58-0x5f*/
192: 0x0000, 0xfe7c, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x60-0x67*/
193: };
194: static const unsigned short gb18030ext_page47_1[16] = {
195: 0x0000, 0x0000, 0x0000, 0xfe80, 0x0000, 0x0000, 0x0000, 0x0000, /*0x20-0x27*/
196: 0x0000, 0xfe81, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x28-0x2f*/
197: };
198: static const unsigned short gb18030ext_page47_2[24] = {
199: 0x0000, 0x0000, 0x0000, 0x0000, 0xfe82, 0x0000, 0x0000, 0x0000, /*0x78-0x7f*/
200: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x80-0x87*/
201: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe83, 0x0000, 0x0000, /*0x88-0x8f*/
202: };
203: static const unsigned short gb18030ext_page49[120] = {
204: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe85, /*0x40-0x47*/
205: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x48-0x4f*/
206: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x50-0x57*/
207: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x58-0x5f*/
208: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x60-0x67*/
209: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x68-0x6f*/
210: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x70-0x77*/
211: 0x0000, 0x0000, 0xfe86, 0x0000, 0x0000, 0xfe87, 0x0000, 0x0000, /*0x78-0x7f*/
212: 0x0000, 0x0000, 0xfe88, 0xfe89, 0x0000, 0xfe8a, 0xfe8b, 0x0000, /*0x80-0x87*/
213: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x88-0x8f*/
214: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x90-0x97*/
215: 0x0000, 0x0000, 0x0000, 0xfe8d, 0x0000, 0x0000, 0x0000, 0xfe8c, /*0x98-0x9f*/
216: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0xa0-0xa7*/
217: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0xa8-0xaf*/
218: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe8f, 0xfe8e, /*0xb0-0xb7*/
219: };
220: static const unsigned short gb18030ext_page4c[56] = {
221: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe96, /*0x70-0x77*/
222: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x78-0x7f*/
223: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x80-0x87*/
224: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x88-0x8f*/
225: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x90-0x97*/
226: 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0xfe93, /*0x98-0x9f*/
227: 0xfe94, 0xfe95, 0xfe97, 0xfe92, 0x0000, 0x0000, 0x0000, 0x0000, /*0xa0-0xa7*/
228: };
229: static const unsigned short gb18030ext_page4d[16] = {
230: 0x0000, 0x0000, 0x0000, 0xfe98, 0xfe99, 0xfe9a, 0xfe9b, 0xfe9c, /*0x10-0x17*/
231: 0xfe9d, 0xfe9e, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x18-0x1f*/
232: };
233:
234: static int
235: gb18030ext_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
236: {
237: if (n >= 2) {
238: unsigned short c = 0;
239: if (wc == 0x01f9)
240: c = 0xa8bf;
241: else if (wc == 0x20ac)
242: c = 0xa2e3;
243: else if (wc >= 0x2e80 && wc < 0x2ed0)
244: c = gb18030ext_page2e[wc-0x2e80];
245: else if (wc >= 0x2ff0 && wc < 0x3000)
246: c = gb18030ext_page2f[wc-0x2ff0];
247: else if (wc == 0x303e)
248: c = 0xa989;
249: else if (wc >= 0x3440 && wc < 0x3478)
250: c = gb18030ext_page34[wc-0x3440];
251: else if (wc == 0x359e)
252: c = 0xfe5a;
253: else if (wc >= 0x3608 && wc < 0x3620)
254: c = gb18030ext_page36[wc-0x3608];
255: else if (wc == 0x3918)
256: c = 0xfe60;
257: else if (wc == 0x396e)
258: c = 0xfe5f;
259: else if (wc >= 0x39c8 && wc < 0x39e0)
260: c = gb18030ext_page39[wc-0x39c8];
261: else if (wc == 0x3a73)
262: c = 0xfe64;
263: else if (wc == 0x3b4e)
264: c = 0xfe68;
265: else if (wc == 0x3c6e)
266: c = 0xfe69;
267: else if (wc == 0x3ce0)
268: c = 0xfe6a;
269: else if (wc == 0x4056)
270: c = 0xfe6f;
271: else if (wc == 0x415f)
272: c = 0xfe70;
273: else if (wc == 0x4337)
274: c = 0xfe72;
275: else if (wc >= 0x43a8 && wc < 0x43e0)
276: c = gb18030ext_page43[wc-0x43a8];
277: else if (wc == 0x44d6)
278: c = 0xfe7b;
279: else if (wc >= 0x4648 && wc < 0x4668)
280: c = gb18030ext_page46[wc-0x4648];
281: else if (wc >= 0x4720 && wc < 0x4730)
282: c = gb18030ext_page47_1[wc-0x4720];
283: else if (wc >= 0x4778 && wc < 0x4790)
284: c = gb18030ext_page47_2[wc-0x4778];
285: else if (wc >= 0x4940 && wc < 0x49b8)
286: c = gb18030ext_page49[wc-0x4940];
287: else if (wc >= 0x4c70 && wc < 0x4ca8)
288: c = gb18030ext_page4c[wc-0x4c70];
289: else if (wc >= 0x4d10 && wc < 0x4d20)
290: c = gb18030ext_page4d[wc-0x4d10];
291: else if (wc == 0x4dae)
292: c = 0xfe9f;
293: if (c != 0) {
294: r[0] = (c >> 8); r[1] = (c & 0xff);
295: return 2;
296: }
297: return RET_ILUNI;
298: }
299: return RET_TOOSMALL;
300: }
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