1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
|
#include "wc.h"
#include "gb18030.h"
#include "search.h"
#include "wtf.h"
#ifdef USE_UNICODE
#include "ucs.h"
#endif
#include "map/gb18030_ucs.map"
#define C0 WC_GB18030_MAP_C0
#define GL WC_GB18030_MAP_GL
#define C1 WC_GB18030_MAP_C1
#define LB WC_GB18030_MAP_LB
#define UB WC_GB18030_MAP_UB
#define L4 WC_GB18030_MAP_L4
wc_uint8 WC_GB18030_MAP[ 0x100 ] = {
C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0,
C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0,
GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL,
L4, L4, L4, L4, L4, L4, L4, L4, L4, L4, GL, GL, GL, GL, GL, GL,
LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB,
LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB,
LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB,
LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, C0,
LB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB,
UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB,
UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB,
UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB,
UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB,
UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB,
UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB,
UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, C1,
};
wc_wchar_t
wc_gbk_ext_to_cs128w(wc_wchar_t cc)
{
cc.code = WC_GBK_N(cc.code);
if (cc.code < 0x4000)
cc.ccs = WC_CCS_GBK_EXT_1;
else {
cc.ccs = WC_CCS_GBK_EXT_2;
cc.code -= 0x4000;
}
cc.code = WC_N_CS128W(cc.code);
return cc;
}
wc_wchar_t
wc_cs128w_to_gbk_ext(wc_wchar_t cc)
{
cc.code = WC_CS128W_N(cc.code);
if (cc.ccs == WC_CCS_GBK_EXT_2)
cc.code += 0x4000;
cc.ccs = WC_CCS_GBK_EXT;
cc.code = WC_N_GBK(cc.code);
return cc;
}
static wc_ccs
wc_gbk_or_gbk_ext(wc_uint16 code) {
return wc_map3_range_search(code,
gbk_ext_ucs_map, N_gbk_ext_ucs_map)
? WC_CCS_GBK_EXT : WC_CCS_GBK;
}
#ifdef USE_UNICODE
wc_uint32
wc_gb18030_to_ucs(wc_wchar_t cc)
{
wc_map3 *map;
switch (WC_CCS_SET(cc.ccs)) {
case WC_CCS_GBK_EXT_1:
case WC_CCS_GBK_EXT_2:
cc = wc_cs128w_to_gbk_ext(cc);
case WC_CCS_GBK_EXT:
map = wc_map3_range_search((wc_uint16)cc.code,
gbk_ext_ucs_map, N_gbk_ext_ucs_map);
if (map)
return map->code3 + WC_GBK_N(cc.code) - WC_GBK_N(map->code2);
return WC_C_UCS4_ERROR;
case WC_CCS_GB18030:
break;
default:
return wc_any_to_ucs(cc);
}
if (cc.code >= WC_C_GB18030_UCS2 && cc.code <= WC_C_GB18030_UCS2_END) {
int i, min = 0, max = N_ucs_gb18030_map - 1;
cc.code = WC_GB18030_N(cc.code) - WC_GB18030_N(WC_C_GB18030_UCS2);
if (cc.code >= ucs_gb18030_map[max].code3)
i = max;
else {
while(1) {
i = (min + max) / 2;
if (min == max)
break;
if (cc.code < ucs_gb18030_map[i].code3)
max = i - 1;
else if (cc.code >= ucs_gb18030_map[i+1].code3)
min = i + 1;
else
break;
}
}
return ucs_gb18030_map[i].code + cc.code - ucs_gb18030_map[i].code3;
}
if (cc.code >= WC_C_GB18030_UCS4 && cc.code <= WC_C_GB18030_UCS4_END)
return WC_GB18030_N(cc.code) - WC_GB18030_N(WC_C_GB18030_UCS4)
+ 0x10000;
return WC_C_UCS4_ERROR;
}
wc_wchar_t
wc_ucs_to_gb18030(wc_uint32 ucs)
{
wc_wchar_t cc;
wc_map3 *map;
if (ucs <= WC_C_UCS2_END) {
map = wc_map3_range_search((wc_uint16)ucs,
ucs_gbk_ext_map, N_ucs_gbk_ext_map);
if (map) {
cc.code = WC_GBK_N(map->code3) + ucs - map->code;
cc.code = WC_N_GBK(cc.code);
cc.ccs = WC_CCS_GBK_EXT;
return cc;
}
map = wc_map3_range_search((wc_uint16)ucs,
ucs_gb18030_map, N_ucs_gb18030_map);
if (map) {
cc.code = map->code3 + ucs - map->code + WC_GB18030_N(WC_C_GB18030_UCS2);
cc.code = WC_N_GB18030(cc.code);
if (WcOption.gb18030_as_ucs)
cc.ccs = WC_CCS_GB18030 | (wc_ucs_to_ccs(ucs) & ~WC_CCS_A_SET);
else
cc.ccs = WC_CCS_GB18030_W;
return cc;
}
} else if (ucs <= WC_C_UNICODE_END) {
cc.code = ucs - 0x10000 + WC_GB18030_N(WC_C_GB18030_UCS4);
cc.code = WC_N_GB18030(cc.code);
if (WcOption.gb18030_as_ucs)
cc.ccs = WC_CCS_GB18030 | (wc_ucs_to_ccs(ucs) & ~WC_CCS_A_SET);
else
cc.ccs = WC_CCS_GB18030_W;
return cc;
}
cc.ccs = WC_CCS_UNKNOWN;
cc.code = 0;
return cc;
}
#endif
Str
wc_conv_from_gb18030(Str is, wc_ces ces)
{
Str os;
wc_uchar *sp = (wc_uchar *)is->ptr;
wc_uchar *ep = sp + is->length;
wc_uchar *p;
int state = WC_GB18030_NOSTATE;
wc_uint32 gbk;
wc_wchar_t cc;
#ifdef USE_UNICODE
wc_uint32 ucs;
#endif
for (p = sp; p < ep && *p < 0x80; p++)
;
if (p == ep)
return is;
os = Strnew_size(is->length);
if (p > sp)
Strcat_charp_n(os, (char *)is->ptr, (int)(p - sp));
for (; p < ep; p++) {
switch (state) {
case WC_GB18030_NOSTATE:
switch (WC_GB18030_MAP[*p]) {
case UB:
state = WC_GB18030_MBYTE1;
break;
case C1:
wtf_push_unknown(os, p, 1);
break;
default:
Strcat_char(os, (char)*p);
break;
}
break;
case WC_GB18030_MBYTE1:
if (WC_GB18030_MAP[*p] & LB) {
gbk = ((wc_uint32)*(p-1) << 8) | *p;
if (wc_gbk_or_gbk_ext(gbk) == WC_CCS_GBK_EXT)
wtf_push(os, WC_CCS_GBK_EXT, gbk);
else if (*(p-1) >= 0xA1 && *p >= 0xA1)
wtf_push(os, wc_gb2312_or_gbk(gbk), gbk);
else
wtf_push(os, WC_CCS_GBK, gbk);
} else if (WC_GB18030_MAP[*p] == L4) {
state = WC_GB18030_MBYTE2;
break;
} else
wtf_push_unknown(os, p-1, 2);
state = WC_GB18030_NOSTATE;
break;
case WC_GB18030_MBYTE2:
if (WC_GB18030_MAP[*p] == UB) {
state = WC_GB18030_MBYTE3;
break;
} else
wtf_push_unknown(os, p-2, 3);
state = WC_GB18030_NOSTATE;
break;
case WC_GB18030_MBYTE3:
if (WC_GB18030_MAP[*p] == L4) {
cc.ccs = WC_CCS_GB18030_W;
cc.code = ((wc_uint32)*(p-3) << 24)
| ((wc_uint32)*(p-2) << 16)
| ((wc_uint32)*(p-1) << 8)
| *p;
#ifdef USE_UNICODE
if (WcOption.gb18030_as_ucs &&
(ucs = wc_gb18030_to_ucs(cc)) != WC_C_UCS4_ERROR)
wtf_push(os, WC_CCS_GB18030 | (wc_ucs_to_ccs(ucs) & ~WC_CCS_A_SET), cc.code);
else
#endif
wtf_push(os, cc.ccs, cc.code);
} else
wtf_push_unknown(os, p-3, 4);
state = WC_GB18030_NOSTATE;
break;
}
}
switch (state) {
case WC_GB18030_MBYTE1:
wtf_push_unknown(os, p-1, 1);
break;
case WC_GB18030_MBYTE2:
wtf_push_unknown(os, p-2, 2);
break;
case WC_GB18030_MBYTE3:
wtf_push_unknown(os, p-3, 3);
break;
}
return os;
}
void
wc_push_to_gb18030(Str os, wc_wchar_t cc, wc_status *st)
{
while (1) {
switch (WC_CCS_SET(cc.ccs)) {
case WC_CCS_US_ASCII:
Strcat_char(os, (char)cc.code);
return;
case WC_CCS_GB_2312:
Strcat_char(os, (char)((cc.code >> 8) | 0x80));
Strcat_char(os, (char)((cc.code & 0xff) | 0x80));
return;
case WC_CCS_GBK_1:
case WC_CCS_GBK_2:
cc = wc_cs128w_to_gbk(cc);
case WC_CCS_GBK:
Strcat_char(os, (char)(cc.code >> 8));
Strcat_char(os, (char)(cc.code & 0xff));
return;
case WC_CCS_GBK_EXT_1:
case WC_CCS_GBK_EXT_2:
cc = wc_cs128w_to_gbk(cc);
case WC_CCS_GBK_EXT:
Strcat_char(os, (char)(cc.code >> 8));
Strcat_char(os, (char)(cc.code & 0xff));
return;
case WC_CCS_GB18030:
Strcat_char(os, (char)((cc.code >> 24) & 0xff));
Strcat_char(os, (char)((cc.code >> 16) & 0xff));
Strcat_char(os, (char)((cc.code >> 8) & 0xff));
Strcat_char(os, (char)(cc.code & 0xff));
return;
case WC_CCS_UNKNOWN_W:
if (!WcOption.no_replace)
Strcat_charp(os, WC_REPLACE_W);
return;
case WC_CCS_UNKNOWN:
if (!WcOption.no_replace)
Strcat_charp(os, WC_REPLACE);
return;
default:
#ifdef USE_UNICODE
if (WcOption.ucs_conv)
cc = wc_any_to_any_ces(cc, st);
else
#endif
cc.ccs = WC_CCS_IS_WIDE(cc.ccs) ? WC_CCS_UNKNOWN_W : WC_CCS_UNKNOWN;
continue;
}
}
}
Str
wc_char_conv_from_gb18030(wc_uchar c, wc_status *st)
{
static Str os;
static wc_uchar gb[4];
wc_uint32 gbk;
wc_wchar_t cc;
#ifdef USE_UNICODE
wc_uint32 ucs;
#endif
if (st->state == -1) {
st->state = WC_GB18030_NOSTATE;
os = Strnew_size(8);
}
switch (st->state) {
case WC_GB18030_NOSTATE:
switch (WC_GB18030_MAP[c]) {
case UB:
gb[0] = c;
st->state = WC_GB18030_MBYTE1;
return NULL;
case C1:
break;
default:
Strcat_char(os, (char)c);
break;
}
break;
case WC_GB18030_MBYTE1:
if (WC_GB18030_MAP[c] & LB) {
gbk = ((wc_uint32)gb[0] << 8) | c;
if (wc_gbk_or_gbk_ext(gbk) == WC_CCS_GBK_EXT)
wtf_push(os, WC_CCS_GBK_EXT, gbk);
else if (gb[0] >= 0xA1 && c >= 0xA1)
wtf_push(os, wc_gb2312_or_gbk(gbk), gbk);
else
wtf_push(os, WC_CCS_GBK, gbk);
} else if (WC_GB18030_MAP[c] == L4) {
gb[1] = c;
st->state = WC_GB18030_MBYTE2;
return NULL;
}
break;
case WC_GB18030_MBYTE2:
if (WC_GB18030_MAP[c] == UB) {
gb[2] = c;
st->state = WC_GB18030_MBYTE3;
return NULL;
}
break;
case WC_GB18030_MBYTE3:
if (WC_GB18030_MAP[c] == L4) {
cc.ccs = WC_CCS_GB18030_W;
cc.code = ((wc_uint32)gb[0] << 24)
| ((wc_uint32)gb[1] << 16)
| ((wc_uint32)gb[2] << 8)
| c;
#ifdef USE_UNICODE
if (WcOption.gb18030_as_ucs &&
(ucs = wc_gb18030_to_ucs(cc)) != WC_C_UCS4_ERROR)
wtf_push(os, WC_CCS_GB18030 | (wc_ucs_to_ccs(ucs) & ~WC_CCS_A_SET), cc.code);
else
#endif
wtf_push(os, cc.ccs, cc.code);
}
break;
}
st->state = -1;
return os;
}
|
