1 /*
2 Simple DirectMedia Layer
3 Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org>
4
5 This software is provided 'as-is', without any express or implied
6 warranty. In no event will the authors be held liable for any damages
7 arising from the use of this software.
8
9 Permission is granted to anyone to use this software for any purpose,
10 including commercial applications, and to alter it and redistribute it
11 freely, subject to the following restrictions:
12
13 1. The origin of this software must not be misrepresented; you must not
14 claim that you wrote the original software. If you use this software
15 in a product, an acknowledgment in the product documentation would be
16 appreciated but is not required.
17 2. Altered source versions must be plainly marked as such, and must not be
18 misrepresented as being the original software.
19 3. This notice may not be removed or altered from any source distribution.
20 */
21
22 #define INCL_DOSNLS
23 #define INCL_DOSERRORS
24 #include <os2.h>
25
26 #include "os2cp.h"
27
28 #ifndef GENICONV_STANDALONE
29 #include "../../../SDL_internal.h"
30 #else
31 #include <string.h>
32 #include <ctype.h>
33 #define SDL_isspace isspace
34 #define SDL_strchr strchr
35 #define SDL_memcpy memcpy
36 #define SDL_strupr strupr
37 #define SDL_strcmp strcmp
38 #endif
39
40 typedef struct _CP2NAME {
41 ULONG ulCode;
42 PSZ pszName;
43 } CP2NAME;
44
45 typedef struct _NAME2CP {
46 PSZ pszName;
47 ULONG ulCode;
48 } NAME2CP;
49
50 static CP2NAME aCP2Name[] = {
51 {367, "ANSI_X3.4-1968"},
52 {813, "ECMA-118"},
53 {819, "CP819"},
54 {850, "850"},
55 {862, "862"},
56 {866, "866"},
57 {874, "ISO-IR-166"},
58 {878, "KOI8-R"},
59 {896, "JISX0201-1976"},
60 {901, "ISO-8859-13"},
61 {912, "ISO-8859-2"},
62 {913, "ISO-8859-3"},
63 {914, "ISO-8859-4"},
64 {915, "CYRILLIC"},
65 {920, "ISO-8859-9"},
66 {923, "ISO-8859-15"},
67 {943, "MS_KANJI"},
68 {954, "EUC-JP"},
69 {964, "EUC-TW"},
70 {970, "EUC-KR"},
71 {1051, "HP-ROMAN8"},
72 {1089, "ARABIC"},
73 {1129, "VISCII"},
74 {1168, "KOI8-U"},
75 {1200, "ISO-10646-UCS-2"},
76 {1202, "UTF-16LE"},
77 {1204, "UCS-2BE"},
78 {1208, "UTF-8"},
79 {1232, "UTF-32BE"},
80 {1234, "UTF-32LE"},
81 {1236, "ISO-10646-UCS-4"},
82 {1250, "CP1250"},
83 {1251, "CP1251"},
84 {1252, "CP1252"},
85 {1253, "CP1253"},
86 {1254, "CP1254"},
87 {1255, "CP1255"},
88 {1256, "CP1256"},
89 {1257, "CP1257"},
90 {1275, "MAC"},
91 {1383, "CN-GB"},
92 {1386, "GBK"},
93 {1392, "GB18030"},
94 {62210, "HEBREW"}
95 };
96
97 static NAME2CP aName2CP[] = {
98 {"850", 850},
99 {"862", 862},
100 {"866", 866},
101 {"ANSI_X3.4-1968", 367},
102 {"ANSI_X3.4-1986", 367},
103 {"ARABIC", 1089},
104 {"ASCII", 367},
105 {"ASMO-708", 1089},
106 {"CN-GB", 1383},
107 {"CP1250", 1250},
108 {"CP1251", 1251},
109 {"CP1252", 1252},
110 {"CP1253", 1253},
111 {"CP1254", 1254},
112 {"CP1255", 1255},
113 {"CP1256", 1256},
114 {"CP1257", 1257},
115 {"CP367", 367},
116 {"CP819", 819},
117 {"CP850", 850},
118 {"CP862", 862},
119 {"CP866", 866},
120 {"CP936", 1386},
121 {"CSASCII", 367},
122 {"CSEUCKR", 970},
123 {"CSEUCPKDFMTJAPANESE", 954},
124 {"CSEUCTW", 964},
125 {"CSGB2312", 1383},
126 {"CSHALFWIDTHKATAKANA", 896},
127 {"CSHPROMAN8", 1051},
128 {"CSIBM866", 866},
129 {"CSISOLATIN1", 819},
130 {"CSISOLATIN2", 912},
131 {"CSISOLATIN3", 913},
132 {"CSISOLATIN4", 914},
133 {"CSISOLATIN5", 920},
134 {"CSISOLATINARABIC", 1089},
135 {"CSISOLATINCYRILLIC", 915},
136 {"CSISOLATINGREEK", 813},
137 {"CSISOLATINHEBREW", 62210},
138 {"CSKOI8R", 878},
139 {"CSKSC56011987", 970},
140 {"CSMACINTOSH", 1275},
141 {"CSPC850MULTILINGUAL", 850},
142 {"CSPC862LATINHEBREW", 862},
143 {"CSSHIFTJIS", 943},
144 {"CSUCS4", 1236},
145 {"CSUNICODE", 1200},
146 {"CSUNICODE11", 1204},
147 {"CSVISCII", 1129},
148 {"CYRILLIC", 915},
149 {"ECMA-114", 1089},
150 {"ECMA-118", 813},
151 {"ELOT_928", 813},
152 {"EUC-CN", 1383},
153 {"EUC-JP", 954},
154 {"EUC-KR", 970},
155 {"EUC-TW", 964},
156 {"EUCCN", 1383},
157 {"EUCJP", 954},
158 {"EUCKR", 970},
159 {"EUCTW", 964},
160 {"EXTENDED_UNIX_CODE_PACKED_FORMAT_FOR_JAPANESE", 954},
161 {"GB18030", 1392},
162 {"GB2312", 1383},
163 {"GBK", 1386},
164 {"GREEK", 813},
165 {"GREEK8", 813},
166 {"HEBREW", 62210},
167 {"HP-ROMAN8", 1051},
168 {"IBM367", 367},
169 {"IBM819", 819},
170 {"IBM850", 850},
171 {"IBM862", 862},
172 {"IBM866", 866},
173 {"ISO-10646-UCS-2", 1200},
174 {"ISO-10646-UCS-4", 1236},
175 {"ISO-8859-1", 819},
176 {"ISO-8859-13", 901},
177 {"ISO-8859-15", 923},
178 {"ISO-8859-2", 912},
179 {"ISO-8859-3", 913},
180 {"ISO-8859-4", 914},
181 {"ISO-8859-5", 915},
182 {"ISO-8859-6", 1089},
183 {"ISO-8859-7", 813},
184 {"ISO-8859-8", 62210},
185 {"ISO-8859-9", 920},
186 {"ISO-IR-100", 819},
187 {"ISO-IR-101", 912},
188 {"ISO-IR-109", 913},
189 {"ISO-IR-110", 914},
190 {"ISO-IR-126", 813},
191 {"ISO-IR-127", 1089},
192 {"ISO-IR-138", 62210},
193 {"ISO-IR-144", 915},
194 {"ISO-IR-148", 920},
195 {"ISO-IR-149", 970},
196 {"ISO-IR-166", 874},
197 {"ISO-IR-179", 901},
198 {"ISO-IR-203", 923},
199 {"ISO-IR-6", 367},
200 {"ISO646-US", 367},
201 {"ISO8859-1", 819},
202 {"ISO8859-13", 901},
203 {"ISO8859-15", 923},
204 {"ISO8859-2", 912},
205 {"ISO8859-3", 913},
206 {"ISO8859-4", 914},
207 {"ISO8859-5", 915},
208 {"ISO8859-6", 1089},
209 {"ISO8859-7", 813},
210 {"ISO8859-8", 62210},
211 {"ISO8859-9", 920},
212 {"ISO_646.IRV:1991", 367},
213 {"ISO_8859-1", 819},
214 {"ISO_8859-13", 901},
215 {"ISO_8859-15", 923},
216 {"ISO_8859-15:1998", 923},
217 {"ISO_8859-1:1987", 819},
218 {"ISO_8859-2", 912},
219 {"ISO_8859-2:1987", 912},
220 {"ISO_8859-3", 913},
221 {"ISO_8859-3:1988", 913},
222 {"ISO_8859-4", 914},
223 {"ISO_8859-4:1988", 914},
224 {"ISO_8859-5", 915},
225 {"ISO_8859-5:1988", 915},
226 {"ISO_8859-6", 1089},
227 {"ISO_8859-6:1987", 1089},
228 {"ISO_8859-7", 813},
229 {"ISO_8859-7:1987", 813},
230 {"ISO_8859-7:2003", 813},
231 {"ISO_8859-8", 62210},
232 {"ISO_8859-8:1988", 62210},
233 {"ISO_8859-9", 920},
234 {"ISO_8859-9:1989", 920},
235 {"JISX0201-1976", 896},
236 {"JIS_X0201", 896},
237 {"KOI8-R", 878},
238 {"KOI8-U", 1168},
239 {"KOREAN", 970},
240 {"KSC_5601", 970},
241 {"KS_C_5601-1987", 970},
242 {"KS_C_5601-1989", 970},
243 {"L1", 819},
244 {"L2", 912},
245 {"L3", 913},
246 {"L4", 914},
247 {"L5", 920},
248 {"L7", 901},
249 {"LATIN-9", 923},
250 {"LATIN1", 819},
251 {"LATIN2", 912},
252 {"LATIN3", 913},
253 {"LATIN4", 914},
254 {"LATIN5", 920},
255 {"LATIN7", 901},
256 {"MAC", 1275},
257 {"MACINTOSH", 1275},
258 {"MACROMAN", 1275},
259 {"MS-ANSI", 1252},
260 {"MS-ARAB", 1256},
261 {"MS-CYRL", 1251},
262 {"MS-EE", 1250},
263 {"MS-GREEK", 1253},
264 {"MS-HEBR", 1255},
265 {"MS-TURK", 1254},
266 {"MS936", 1386},
267 {"MS_KANJI", 943},
268 {"R8", 1051},
269 {"ROMAN8", 1051},
270 {"SHIFT-JIS", 943},
271 {"SHIFT_JIS", 943},
272 {"SJIS", 943},
273 {"TIS-620", 874},
274 {"TIS620", 874},
275 {"TIS620-0", 874},
276 {"TIS620.2529-1", 874},
277 {"TIS620.2533-0", 874},
278 {"TIS620.2533-1", 874},
279 {"UCS-2", 1200},
280 {"UCS-2BE", 1204},
281 {"UCS-4", 1236},
282 {"UNICODE-1-1", 1204},
283 {"UNICODEBIG", 1204},
284 {"US", 367},
285 {"US-ASCII", 367},
286 {"UTF-16", 1204},
287 {"UTF-16BE", 1200},
288 {"UTF-16LE", 1202},
289 {"UTF-32", 1236},
290 {"UTF-32BE", 1232},
291 {"UTF-32LE", 1234},
292 {"UTF-8", 1208},
293 {"VISCII", 1129},
294 {"VISCII1.1-1", 1129},
295 {"WINBALTRIM", 1257},
296 {"WINDOWS-1250", 1250},
297 {"WINDOWS-1251", 1251},
298 {"WINDOWS-1252", 1252},
299 {"WINDOWS-1253", 1253},
300 {"WINDOWS-1254", 1254},
301 {"WINDOWS-1255", 1255},
302 {"WINDOWS-1256", 1256},
303 {"WINDOWS-1257", 1257},
304 {"WINDOWS-936", 1386},
305 {"X0201", 896}
306 };
307
os2cpToName(unsigned long cp)308 char *os2cpToName(unsigned long cp)
309 {
310 ULONG ulLo = 0;
311 ULONG ulHi = (sizeof(aCP2Name) / sizeof(struct _CP2NAME)) - 1;
312 ULONG ulNext;
313 LONG lFound = -1;
314
315 if (cp == SYSTEM_CP) {
316 ULONG aulCP[3];
317 ULONG cCP;
318
319 if (DosQueryCp(sizeof(aulCP), aulCP, &cCP) != NO_ERROR)
320 return NULL;
321
322 cp = aulCP[0];
323 }
324
325 if (aCP2Name[0].ulCode > cp || aCP2Name[ulHi].ulCode < cp)
326 return NULL;
327
328 if (aCP2Name[0].ulCode == cp)
329 return aCP2Name[0].pszName;
330
331 if (aCP2Name[ulHi].ulCode == cp)
332 return aCP2Name[ulHi].pszName;
333
334 while ((ulHi - ulLo) > 1) {
335 ulNext = (ulLo + ulHi) / 2;
336
337 if (aCP2Name[ulNext].ulCode < cp)
338 ulLo = ulNext;
339 else if (aCP2Name[ulNext].ulCode > cp)
340 ulHi = ulNext;
341 else {
342 lFound = ulNext;
343 break;
344 }
345 }
346
347 return (lFound == -1)? NULL : aCP2Name[lFound].pszName;
348 }
349
os2cpFromName(char * cp)350 unsigned long os2cpFromName(char *cp)
351 {
352 ULONG ulLo = 0;
353 ULONG ulHi = (sizeof(aName2CP) / sizeof(struct _NAME2CP)) - 1;
354 ULONG ulNext;
355 LONG lFound = -1;
356 LONG lCmp;
357 PCHAR pcEnd;
358 CHAR acBuf[64];
359
360 if (cp == NULL) {
361 ULONG aulCP[3];
362 ULONG cCP;
363
364 return (DosQueryCp(sizeof(aulCP), aulCP, &cCP) != NO_ERROR)? 0 : aulCP[0];
365 }
366
367 while (SDL_isspace(*cp))
368 cp++;
369
370 pcEnd = SDL_strchr(cp, ' ');
371 if (pcEnd == NULL)
372 pcEnd = SDL_strchr(cp, '\0');
373
374 ulNext = pcEnd - cp;
375 if (ulNext >= sizeof(acBuf))
376 return 0;
377
378 SDL_memcpy(acBuf, cp, ulNext);
379 acBuf[ulNext] = '\0';
380 SDL_strupr(acBuf);
381
382 lCmp = SDL_strcmp(aName2CP[0].pszName, acBuf);
383 if (lCmp > 0)
384 return 0;
385 else if (lCmp == 0)
386 return aName2CP[0].ulCode;
387
388 lCmp = SDL_strcmp(aName2CP[ulHi].pszName, acBuf);
389 if (lCmp < 0)
390 return 0;
391 else if (lCmp == 0)
392 return aName2CP[ulHi].ulCode;
393
394 while ((ulHi - ulLo) > 1) {
395 ulNext = (ulLo + ulHi) / 2;
396
397 lCmp = SDL_strcmp(aName2CP[ulNext].pszName, acBuf);
398 if (lCmp < 0)
399 ulLo = ulNext;
400 else if (lCmp > 0)
401 ulHi = ulNext;
402 else {
403 lFound = ulNext;
404 break;
405 }
406 }
407
408 return (lFound == -1)? 0 : aName2CP[lFound].ulCode;
409 }
410
411 /* vi: set ts=4 sw=4 expandtab: */
412