imapext-2007
view src/c-client/utf8.h @ 0:ada5e610ab86
imap-2007e
| author | yuuji@gentei.org |
|---|---|
| date | Mon, 14 Sep 2009 15:17:45 +0900 |
| parents | |
| children |
line source
1 /* ========================================================================
2 * Copyright 1988-2008 University of Washington
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 *
11 * ========================================================================
12 */
14 /*
15 * Program: UTF-8 routines
16 *
17 * Author: Mark Crispin
18 * Networks and Distributed Computing
19 * Computing & Communications
20 * University of Washington
21 * Administration Building, AG-44
22 * Seattle, WA 98195
23 * Internet: MRC@CAC.Washington.EDU
24 *
25 * Date: 11 June 1997
26 * Last Edited: 17 January 2008
27 */
29 /* UTF-8 size and conversion routines from UCS-2 values (thus in the BMP).
30 * Don't use these if UTF-16 data (surrogate pairs) are an issue.
31 * For UCS-4 values, use the utf8_size() and utf8_put() functions.
32 */
34 #define UTF8_SIZE_BMP(c) ((c & 0xff80) ? ((c & 0xf800) ? 3 : 2) : 1)
36 #define UTF8_PUT_BMP(b,c) { \
37 if (c & 0xff80) { /* non-ASCII? */ \
38 if (c & 0xf800) { /* three byte code */ \
39 *b++ = 0xe0 | (c >> 12); \
40 *b++ = 0x80 | ((c >> 6) & 0x3f); \
41 } \
42 else *b++ = 0xc0 | ((c >> 6) & 0x3f); \
43 *b++ = 0x80 | (c & 0x3f); \
44 } \
45 else *b++ = c; \
46 }
48 /* utf8_text() flag values */
50 #define U8T_CASECANON 2 /* canonicalize case */
51 #define U8T_DECOMPOSE 4 /* decompose */
52 /* full canonicalization */
53 #define U8T_CANONICAL (U8T_CASECANON | U8T_DECOMPOSE)
56 /* utf8_get() return values */
58 /* 0x0000 - 0xffff BMP plane */
59 #define U8GM_NONBMP 0xffff0000 /* mask for non-BMP values */
60 /* 0x10000 - 0x10ffff extended planes */
61 /* 0x110000 - 0x7ffffff non-Unicode */
62 #define U8G_ERROR 0x80000000 /* error flag */
63 #define U8G_BADCONT U8G_ERROR+1 /* continuation when not in progress */
64 #define U8G_INCMPLT U8G_ERROR+2 /* incomplete UTF-8 character */
65 #define U8G_NOTUTF8 U8G_ERROR+3 /* not a valid UTF-8 octet */
66 #define U8G_ENDSTRG U8G_ERROR+4 /* end of string */
67 #define U8G_ENDSTRI U8G_ERROR+5 /* end of string w/ incomplete UTF-8 char */
68 #define U8G_SURROGA U8G_ERROR+6 /* surrogate codepoint */
69 #define U8G_NOTUNIC U8G_ERROR+7 /* non-Unicode codepoint */
72 /* ucs4_width() return values */
74 #define U4W_ERROR 0x80000000 /* error flags */
75 #define U4W_NOTUNCD U4W_ERROR+1 /* not a Unicode char */
76 #define U4W_PRIVATE U4W_ERROR+2 /* private-space plane */
77 #define U4W_SSPCHAR U4W_ERROR+3 /* Supplementary Special-purpose Plane */
78 #define U4W_UNASSGN U4W_ERROR+4 /* unassigned space plane */
79 #define U4W_CONTROL U4W_ERROR+5 /* C0/C1 control */
80 #define U4W_CTLSRGT U4W_CONTROL /* in case legacy code references this */
82 /* ISO-2022 engine states */
84 #define I2S_CHAR 0 /* character */
85 #define I2S_ESC 1 /* previous character was ESC */
86 #define I2S_MUL 2 /* previous character was multi-byte code */
87 #define I2S_INT 3 /* previous character was intermediate */
90 /* ISO-2022 Gn selections */
92 #define I2C_G0 0 /* G0 */
93 #define I2C_G1 1 /* G1 */
94 #define I2C_G2 2 /* G2 */
95 #define I2C_G3 3 /* G3 */
96 #define I2C_SG2 (2 << 2) /* single shift G2 */
97 #define I2C_SG3 (3 << 2) /* single shift G2 */
100 /* ISO-2022 octet definitions */
102 #define I2C_ESC 0x1b /* ESCape */
104 /* Intermediate character */
105 #define I2C_STRUCTURE 0x20 /* announce code structure */
106 #define I2C_C0 0x21 /* C0 */
107 #define I2C_C1 0x22 /* C1 */
108 #define I2C_CONTROL 0x23 /* single control function */
109 #define I2C_MULTI 0x24 /* multi-byte character set */
110 #define I2C_OTHER 0x25 /* other coding system */
111 #define I2C_REVISED 0x26 /* revised registration */
112 #define I2C_G0_94 0x28 /* G0 94-character set */
113 #define I2C_G1_94 0x29 /* G1 94-character set */
114 #define I2C_G2_94 0x2A /* G2 94-character set */
115 #define I2C_G3_94 0x2B /* G3 94-character set */
116 #define I2C_G0_96 0x2C /* (not in ISO-2022) G0 96-character set */
117 #define I2C_G1_96 0x2D /* G1 96-character set */
118 #define I2C_G2_96 0x2E /* G2 96-character set */
119 #define I2C_G3_96 0x2F /* G3 96-character set */
121 /* Locking shifts */
122 #define I2C_SI 0x0f /* lock shift to G0 (Shift In) */
123 #define I2C_SO 0x0e /* lock shift to G1 (Shift Out) */
124 /* prefixed by ESC */
125 #define I2C_LS2 0x6e /* lock shift to G2 */
126 #define I2C_LS3 0x6f /* lock shift to G3 */
127 #define I2C_LS1R 0x7e /* lock shift GR to G1 */
128 #define I2C_LS2R 0x7d /* lock shift GR to G2 */
129 #define I2C_LS3R 0x7c /* lock shift GR to G3 */
131 /* Single shifts */
132 #define I2C_SS2_ALT 0x8e /* single shift to G2 (SS2) */
133 #define I2C_SS3_ALT 0x8f /* single shift to G3 (SS3) */
134 #define I2C_SS2_ALT_7 0x19 /* single shift to G2 (SS2) */
135 #define I2C_SS3_ALT_7 0x1d /* single shift to G3 (SS3) */
136 /* prefixed by ESC */
137 #define I2C_SS2 0x4e /* single shift to G2 (SS2) */
138 #define I2C_SS3 0x4f /* single shift to G3 (SS3) */
140 /* 94 character sets */
142 /* 4/0 ISO 646 IRV */
143 #define I2CS_94_BRITISH 0x41 /* 4/1 ISO 646 British */
144 #define I2CS_94_ASCII 0x42 /* 4/2 ISO 646 USA (ASCII) */
145 /* 4/3 NATS Finland/Sweden (primary) */
146 /* 4/4 NATS Finland/Sweden (secondary) */
147 /* 4/5 NATS Denmark/Norway (primary) */
148 /* 4/6 NATS Denmark/Norway (secondary) */
149 /* 4/7 ISO 646 Swedish SEN 850200 */
150 /* 4/8 ISO 646 Swedish names */
151 #define I2CS_94_JIS_BUGROM 0x48 /* 4/8 some buggy software does this */
152 #define I2CS_94_JIS_KANA 0x49 /* 4/9 JIS X 0201-1976 right half */
153 #define I2CS_94_JIS_ROMAN 0x4a /* 4/a JIS X 0201-1976 left half */
154 /* 4/b ISO 646 German */
155 /* 4/c ISO 646 Portuguese (Olivetti) */
156 /* 4/d ISO 6438 African */
157 /* 4/e ISO 5427 Cyrillic (Honeywell-Bull) */
158 /* 4/f DIN 31624 extended bibliography */
159 /* 5/0 ISO 5426-1980 Bibliography */
160 /* 5/1 ISO 5427-1981 Cyrillic*/
161 /* 5/2 ISO 646 French (withdrawn) */
162 /* 5/3 ISO 5428-1980 Greek bibliography */
163 /* 5/4 GB 1988-80 Chinese */
164 /* 5/5 Latin-Greek (Honeywell-Bull) */
165 /* 5/6 UK Viewdata/Teletext */
166 /* 5/7 INIS (IRV subset) */
167 /* 5/8 ISO 5428 Greek Bibliography */
168 /* 5/9 ISO 646 Italian (Olivetti) */
169 /* 5/a ISO 646 Spanish (Olivetti) */
170 /* 5/b Greek (Olivetti) */
171 /* 5/c Latin-Greek (Olivetti) */
172 /* 5/d INIS non-standard extension */
173 /* 5/e INIS Cyrillic extension */
174 /* 5/f Arabic CODAR-U IERA */
175 /* 6/0 ISO 646 Norwegian */
176 /* 6/1 Norwegian version 2 (withdrawn) */
177 /* 6/2 Videotex supplementary */
178 /* 6/3 Videotex supplementary #2 */
179 /* 6/4 Videotex supplementary #3 */
180 /* 6/5 APL */
181 /* 6/6 ISO 646 French */
182 /* 6/7 ISO 646 Portuguese (IBM) */
183 /* 6/8 ISO 646 Spanish (IBM) */
184 /* 6/9 ISO 646 Hungarian */
185 /* 6/a Greek ELOT (withdrawn) */
186 /* 6/b ISO 9036 Arabic 7-bit */
187 /* 6/c ISO 646 IRV supplementary set */
188 /* 6/d JIS C6229-1984 OCR-A */
189 /* 6/e JIS C6229-1984 OCR-B */
190 /* 6/f JIS C6229-1984 OCR-B additional */
191 /* 7/0 JIS C6229-1984 hand-printed */
192 /* 7/1 JIS C6229-1984 additional hand-printd */
193 /* 7/2 JIS C6229-1984 katakana hand-printed */
194 /* 7/3 E13B Japanese graphic */
195 /* 7/4 Supplementary Videotex (withdrawn) */
196 /* 7/5 Teletex primary CCITT T.61 */
197 /* 7/6 Teletex secondary CCITT T.61 */
198 /* 7/7 CSA Z 243.4-1985 Alternate primary #1 */
199 /* 7/8 CSA Z 243.4-1985 Alternate primary #2 */
200 /* 7/9 Mosaic CCITT T.101 */
201 /* 7/a Serbocroatian/Slovenian Latin */
202 /* 7/b Serbocroatian Cyrillic */
203 /* 7/c Supplementary CCITT T.101 */
204 /* 7/d Macedonian Cyrillic */
206 /* 94 character sets - second intermediate byte */
208 /* 4/0 Greek primary CCITT */
209 /* 4/1 Cuba */
210 /* 4/2 ISO/IEC 646 invariant */
211 /* 4/3 Irish Gaelic 7-bit */
212 /* 4/4 Turkmen */
215 /* 94x94 character sets */
217 #define I2CS_94x94_JIS_OLD 0x40 /* 4/0 JIS X 0208-1978 */
218 #define I2CS_94x94_GB 0x41 /* 4/1 GB 2312 */
219 #define I2CS_94x94_JIS_NEW 0x42 /* 4/2 JIS X 0208-1983 */
220 #define I2CS_94x94_KSC 0x43 /* 4/3 KSC 5601 */
221 #define I2CS_94x94_JIS_EXT 0x44 /* 4/4 JIS X 0212-1990 */
222 /* 4/5 CCITT Chinese */
223 /* 4/6 Blisssymbol Graphic */
224 #define I2CS_94x94_CNS1 0x47 /* 4/7 CNS 11643 plane 1 */
225 #define I2CS_94x94_CNS2 0x48 /* 4/8 CNS 11643 plane 2 */
226 #define I2CS_94x94_CNS3 0x49 /* 4/9 CNS 11643 plane 3 */
227 #define I2CS_94x94_CNS4 0x4a /* 4/a CNS 11643 plane 4 */
228 #define I2CS_94x94_CNS5 0x4b /* 4/b CNS 11643 plane 5 */
229 #define I2CS_94x94_CNS6 0x4c /* 4/c CNS 11643 plane 6 */
230 #define I2CS_94x94_CNS7 0x4d /* 4/d CNS 11643 plane 7 */
231 /* 4/e DPRK (North Korea) KGCII */
232 /* 4/f JGCII plane 1 */
233 /* 5/0 JGCII plane 2 */
235 /* 96 character sets */
237 #define I2CS_96_ISO8859_1 0x41 /* 4/1 Latin-1 (Western Europe) */
238 #define I2CS_96_ISO8859_2 0x42 /* 4/2 Latin-2 (Czech, Slovak) */
239 #define I2CS_96_ISO8859_3 0x43 /* 4/3 Latin-3 (Dutch, Turkish) */
240 #define I2CS_96_ISO8859_4 0x44 /* 4/4 Latin-4 (Scandinavian) */
241 /* 4/5 CSA Z 243.4-1985 */
242 #define I2CS_96_ISO8859_7 0x46 /* 4/6 Greek */
243 #define I2CS_96_ISO8859_6 0x47 /* 4/7 Arabic */
244 #define I2CS_96_ISO8859_8 0x48 /* 4/8 Hebrew */
245 /* 4/9 Czechoslovak CSN 369103 */
246 /* 4/a Supplementary Latin and non-alpha */
247 /* 4/b Technical */
248 #define I2CS_96_ISO8859_5 0x4c /* 4/c Cyrillic */
249 #define I2CS_96_ISO8859_9 0x4d /* 4/d Latin-5 (Finnish, Portuguese) */
250 /* 4/e ISO 6937-2 residual */
251 /* 4/f Basic Cyrillic */
252 /* 5/0 Supplementary Latin 1, 2 and 5 */
253 /* 5/1 Basic Box */
254 /* 5/2 Supplementary ISO/IEC 6937 : 1992 */
255 /* 5/3 CCITT Hebrew supplementary */
256 #define I2CS_96_TIS620 0x54 /* 5/4 TIS 620 */
257 /* 5/5 Arabic/French/German */
258 #define I2CS_96_ISO8859_10 0x56 /* 5/6 Latin-6 (Northern Europe) */
259 /* 5/7 ??? */
260 /* 5/8 Sami (Lappish) supplementary */
261 #define I2CS_96_ISO8859_13 0x59 /* 5/9 Latin-7 (Baltic) */
262 #define I2CS_96_VSCII 0x5a /* 5/a Vietnamese */
263 /* 5/b Technical #1 IEC 1289 */
264 #define I2CS_96_ISO8859_14 0x5c /* 5/c Latin-8 (Celtic) */
265 /* 5/d Sami supplementary Latin */
266 /* 5/e Latin/Hebrew */
267 /* 5/f Celtic supplementary Latin */
268 /* 6/0 Uralic supplementary Cyrillic */
269 /* 6/1 Volgaic supplementary Cyrillic */
270 #define I2CS_96_ISO8859_15 0x62 /* 6/2 Latin-9 (Euro) */
271 /* 6/3 Latin-1 with Euro */
272 /* 6/4 Latin-4 with Euro */
273 /* 6/5 Latin-7 with Euro */
274 #define I2CS_96_ISO8859_16 0x66 /* 6/6 Latin-10 (Balkan) */
275 /* 6/7 Ogham */
276 /* 6/8 Sami supplementary Latin #2 */
277 /* 7/d Supplementary Mosaic for CCITT 101 */
279 /* 96x96 character sets */
281 /* Types of character sets */
283 #define I2CS_94 0x000 /* 94 character set */
284 #define I2CS_96 0x100 /* 96 character set */
285 #define I2CS_MUL 0x200 /* multi-byte */
286 #define I2CS_94x94 (I2CS_MUL | I2CS_94)
287 #define I2CS_96x96 (I2CS_MUL | I2CS_96)
290 /* Character set identifiers stored in Gn */
292 #define I2CS_BRITISH (I2CS_94 | I2CS_94_BRITISH)
293 #define I2CS_ASCII (I2CS_94 | I2CS_94_ASCII)
294 #define I2CS_JIS_BUGROM (I2CS_94 | I2CS_94_JIS_BUGROM)
295 #define I2CS_JIS_KANA (I2CS_94 | I2CS_94_JIS_KANA)
296 #define I2CS_JIS_ROMAN (I2CS_94 | I2CS_94_JIS_ROMAN)
297 #define I2CS_JIS_OLD (I2CS_94x94 | I2CS_94x94_JIS_OLD)
298 #define I2CS_GB (I2CS_94x94 | I2CS_94x94_GB)
299 #define I2CS_JIS_NEW (I2CS_94x94 | I2CS_94x94_JIS_NEW)
300 #define I2CS_KSC (I2CS_94x94 | I2CS_94x94_KSC)
301 #define I2CS_JIS_EXT (I2CS_94x94 | I2CS_94x94_JIS_EXT)
302 #define I2CS_CNS1 (I2CS_94x94 | I2CS_94x94_CNS1)
303 #define I2CS_CNS2 (I2CS_94x94 | I2CS_94x94_CNS2)
304 #define I2CS_CNS3 (I2CS_94x94 | I2CS_94x94_CNS3)
305 #define I2CS_CNS4 (I2CS_94x94 | I2CS_94x94_CNS4)
306 #define I2CS_CNS5 (I2CS_94x94 | I2CS_94x94_CNS5)
307 #define I2CS_CNS6 (I2CS_94x94 | I2CS_94x94_CNS6)
308 #define I2CS_CNS7 (I2CS_94x94 | I2CS_94x94_CNS7)
309 #define I2CS_ISO8859_1 (I2CS_96 | I2CS_96_ISO8859_1)
310 #define I2CS_ISO8859_2 (I2CS_96 | I2CS_96_ISO8859_2)
311 #define I2CS_ISO8859_3 (I2CS_96 | I2CS_96_ISO8859_3)
312 #define I2CS_ISO8859_4 (I2CS_96 | I2CS_96_ISO8859_4)
313 #define I2CS_ISO8859_7 (I2CS_96 | I2CS_96_ISO8859_7)
314 #define I2CS_ISO8859_6 (I2CS_96 | I2CS_96_ISO8859_6)
315 #define I2CS_ISO8859_8 (I2CS_96 | I2CS_96_ISO8859_8)
316 #define I2CS_ISO8859_5 (I2CS_96 | I2CS_96_ISO8859_5)
317 #define I2CS_ISO8859_9 (I2CS_96 | I2CS_96_ISO8859_9)
318 #define I2CS_TIS620 (I2CS_96 | I2CS_96_TIS620)
319 #define I2CS_ISO8859_10 (I2CS_96 | I2CS_96_ISO8859_10)
320 #define I2CS_ISO8859_13 (I2CS_96 | I2CS_96_ISO8859_13)
321 #define I2CS_VSCII (I2CS_96 | I2CS_96_VSCII)
322 #define I2CS_ISO8859_14 (I2CS_96 | I2CS_96_ISO8859_14)
323 #define I2CS_ISO8859_15 (I2CS_96 | I2CS_96_ISO8859_15)
324 #define I2CS_ISO8859_16 (I2CS_96 | I2CS_96_ISO8859_16)
327 /* Miscellaneous ISO 2022 definitions */
329 #define EUC_CS2 0x8e /* single shift CS2 */
330 #define EUC_CS3 0x8f /* single shift CS3 */
332 #define BITS7 0x7f /* 7-bit value mask */
333 #define BIT8 0x80 /* 8th bit mask */
335 /* The following saves us from having to have yet more charset tables */
337 /* Unicode codepoints */
339 #define UCS2_C0CONTROL 0x00 /* first C0 control */
340 #define UCS2_C0CONTROLEND 0x1F /* last C0 control */
341 #define UCS2_C1CONTROL 0x80 /* first C1 control */
342 #define UCS2_C1CONTROLEND 0x9F /* last C1 control */
344 /* ISO 646 substituted Unicode codepoints */
345 #define UCS2_POUNDSTERLING 0x00a3
346 #define UCS2_YEN 0x00a5
347 #define UCS2_OVERLINE 0x203e
348 #define UCS2_EURO 0x20ac
349 #define UCS2_KATAKANA 0xff61 /* first katakana codepoint */
350 #define UCS2_BOM 0xfeff /* byte order mark */
351 #define UCS2_BOGON 0xfffd /* replacement character */
352 /* next two codepoints are not Unicode chars */
353 #define UCS2_BOMCHECK 0xfffe /* used to check byte order with UCS2_BOM */
354 #define UCS2_NOTCHAR 0xffff /* not a character */
356 #define UCS4_BMPBASE 0x0000 /* Basic Multilingual Plane */
357 #define UCS4_SMPBASE 0x10000 /* Supplementary Multilinugual Plane */
358 #define UCS4_SIPBASE 0x20000 /* Supplementary Ideographic Plane */
359 /* EastAsianWidth says plane 3 is wide */
360 #define UCS4_UNABASE 0x40000 /* unassigned space */
361 #define UCS4_SSPBASE 0xe0000 /* Supplementary Special-purpose Plane */
362 #define UCS4_PVTBASE 0xf0000 /* private-space (two planes) */
363 #define UCS4_MAXUNICODE 0x10ffff/* highest Unicode codepoint */
365 #define UTF16_BASE 0x10000 /* base of codepoints needing surrogates */
366 #define UTF16_SHIFT 10 /* surrogate shift */
367 #define UTF16_MASK 0x3ff /* surrogate mask */
368 #define UTF16_SURR 0xd800 /* UTF-16 surrogate area */
369 #define UTF16_SURRH 0xd800 /* UTF-16 first high surrogate */
370 #define UTF16_SURRHEND 0xdbff /* UTF-16 last high surrogate */
371 #define UTF16_SURRL 0xdc00 /* UTF-16 first low surrogate */
372 #define UTF16_SURRLEND 0xdfff /* UTF-16 last low surrogate */
373 #define UTF16_MAXSURR 0xdfff /* end of UTF-16 surrogates */
376 /* UBOGON is used to represent a codepoint in a character set which does not
377 * map to Unicode. It is also used for mapping failures, e.g. incomplete
378 * shift sequences. This name has the same text width as 0x????, for
379 * convenience in the mapping tables.
380 *
381 * NOCHAR is used to represent a codepoint in Unicode which does not map to
382 * the target character set in a reverse mapping table. This name has the
383 * same text width as 0x???? in case we ever add static reverse mapping tables.
384 */
386 #define UBOGON UCS2_BOGON
387 #define NOCHAR UCS2_NOTCHAR
389 /* Codepoints in non-Unicode character sets */
391 /* Codepoints in ISO 646 character sets */
393 /* British ASCII codepoints */
395 #define BRITISH_POUNDSTERLING 0x23
397 /* JIS Roman codepoints */
399 #define JISROMAN_YEN 0x5c
400 #define JISROMAN_OVERLINE 0x7e
403 /* Hankaku katakana codepoints & parameters
404 *
405 * In earlier versions, MAX_KANA_7 and MAX_KANA_8 were the maximum codepoint
406 * values. Although this made sense, it was confusing with the "max ku" and
407 * "max ten" values used in the double-byte tables; there are 1-origin, but
408 * the calculated values used for "ku" and "ten" are 0-origin (derived by
409 * substracting the "base"). What this all meant is that for double byte
410 * characters the limit test is of the form (value < max_ku), but for single
411 * byte characters (which used the same cell to hold the max ku) the limit
412 * test was (value <= max_ku).
413 *
414 * By making MAX_KANA_[78] be maximum+1, the same (value < max_ku) limit test
415 * is used throughout. - 6/15/2006
416 */
418 #define MIN_KANA_7 0x21
419 #define MAX_KANA_7 0x60 /* maximum value + 1 */
420 #define KANA_7 (UCS2_KATAKANA - MIN_KANA_7)
421 #define MIN_KANA_8 (MIN_KANA_7 | BIT8)
422 #define MAX_KANA_8 (MAX_KANA_7 | BIT8)
423 #define KANA_8 (UCS2_KATAKANA - MIN_KANA_8)
425 /* Charset scripts */
427 /* The term "script" is used here in a very loose sense, enough to make
428 * purists cringe. Basically, the idea is to give the main program some
429 * idea of how it should treat the characters of text in a charset with
430 * respect to font, drawing routines, etc.
431 *
432 * In some cases, "script" is associated with a charset; in other cases,
433 * it's more closely tied to a language.
434 */
436 #define SC_UNICODE 0x1 /* Unicode */
437 #define SC_LATIN_1 0x10 /* Western Europe */
438 #define SC_LATIN_2 0x20 /* Eastern Europe */
439 #define SC_LATIN_3 0x40 /* Southern Europe */
440 #define SC_LATIN_4 0x80 /* Northern Europe */
441 #define SC_LATIN_5 0x100 /* Turkish */
442 #define SC_LATIN_6 0x200 /* Nordic */
443 #define SC_LATIN_7 0x400 /* Baltic */
444 #define SC_LATIN_8 0x800 /* Celtic */
445 #define SC_LATIN_9 0x1000 /* Euro */
446 #define SC_LATIN_0 SC_LATIN_9 /* colloquial name for Latin-9 */
447 #define SC_ARABIC 0x2000
448 #define SC_CYRILLIC 0x4000
449 #define SC_GREEK 0x8000
450 #define SC_HEBREW 0x10000
451 #define SC_THAI 0x20000
452 #define SC_UKRANIAN 0x40000
453 #define SC_LATIN_10 0x80000 /* Balkan */
454 #define SC_VIETNAMESE 0x100000
455 #define SC_CHINESE_SIMPLIFIED 0x1000000
456 #define SC_CHINESE_TRADITIONAL 0x2000000
457 #define SC_JAPANESE 0x4000000
458 #define SC_KOREAN 0x8000000
461 /* Script table */
463 typedef struct utf8_scent {
464 char *name; /* script name */
465 char *description; /* script description */
466 unsigned long script; /* script bitmask */
467 } SCRIPT;
469 /* Character set table support */
471 typedef struct utf8_csent {
472 char *name; /* charset name */
473 unsigned short type; /* type of charset */
474 unsigned short flags; /* charset flags */
475 void *tab; /* additional data */
476 unsigned long script; /* script(s) implemented by this charset */
477 char *preferred; /* preferred charset over this one */
478 } CHARSET;
481 struct utf8_eucparam {
482 unsigned int base_ku : 8; /* base row */
483 unsigned int base_ten : 8; /* base column */
484 unsigned int max_ku : 8; /* maximum row */
485 unsigned int max_ten : 8; /* maximum column */
486 void *tab; /* conversion table */
487 };
490 /* Charset types */
492 #define CT_UNKNOWN 0 /* unknown 8-bit */
493 #define CT_ASCII 1 /* 7-bit ASCII no table */
494 #define CT_UCS2 2 /* 2 byte 16-bit Unicode no table */
495 #define CT_UCS4 3 /* 4 byte 32-bit Unicode no table */
496 #define CT_1BYTE0 10 /* 1 byte ISO 8859-1 no table */
497 #define CT_1BYTE 11 /* 1 byte ASCII + table 0x80-0xff */
498 #define CT_1BYTE8 12 /* 1 byte table 0x00 - 0xff */
499 #define CT_EUC 100 /* 2 byte ASCII + utf8_eucparam base/CS2/CS3 */
500 #define CT_DBYTE 101 /* 2 byte ASCII + utf8_eucparam */
501 #define CT_DBYTE2 102 /* 2 byte ASCII + utf8_eucparam plane1/2 */
502 #define CT_UTF16 1000 /* variable UTF-16 encoded Unicode no table */
503 #define CT_UTF8 1001 /* variable UTF-8 encoded Unicode no table */
504 #define CT_UTF7 1002 /* variable UTF-7 encoded Unicode no table */
505 #define CT_2022 10000 /* variable ISO-2022 encoded no table */
506 #define CT_SJIS 10001 /* 2 byte Shift-JIS encoded JIS no table */
509 /* Character set flags */
511 #define CF_PRIMARY 0x1 /* primary name for this charset */
512 #define CF_DISPLAY 0x2 /* charset used in displays */
513 #define CF_POSTING 0x4 /* charset used in email posting */
514 #define CF_UNSUPRT 0x8 /* charset unsupported (can't convert to it) */
515 #define CF_NOEMAIL 0x10 /* charset not used in email */
518 /* UTF-7 engine states */
520 #define U7_ASCII 0 /* ASCII character */
521 #define U7_PLUS 1 /* plus seen */
522 #define U7_UNICODE 2 /* Unicode characters */
523 #define U7_MINUS 3 /* absorbed minus seen */
525 /* Function prototypes */
527 typedef unsigned long (*ucs4cn_t) (unsigned long c);
528 typedef unsigned long (*ucs4de_t) (unsigned long c,void **more);
530 SCRIPT *utf8_script (char *script);
531 const CHARSET *utf8_charset (char *charset);
532 char *utf8_badcharset (char *charset);
533 long utf8_text (SIZEDTEXT *text,char *charset,SIZEDTEXT *ret,long flags);
534 long utf8_text_cs (SIZEDTEXT *text,const CHARSET *cs,SIZEDTEXT *ret,
535 ucs4cn_t cv,ucs4de_t de);
536 long utf8_cstext (SIZEDTEXT *text,char *charset,SIZEDTEXT *ret,
537 unsigned long errch);
538 long utf8_cstocstext (SIZEDTEXT *text,char *sc,SIZEDTEXT *ret,char *dc,
539 unsigned long errch);
540 unsigned short *utf8_rmap (char *charset);
541 unsigned short *utf8_rmap_cs (const CHARSET *cs);
542 unsigned short *utf8_rmap_gen (const CHARSET *cs,unsigned short *oldmap);
543 long utf8_rmaptext (SIZEDTEXT *text,unsigned short *rmap,SIZEDTEXT *ret,
544 unsigned long errch,long iso2022jp);
545 unsigned long utf8_rmapsize (SIZEDTEXT *text,unsigned short *rmap,
546 unsigned long errch,long iso2022jp);
547 long ucs4_rmaptext (unsigned long *ucs4,unsigned long len,unsigned short *rmap,
548 SIZEDTEXT *ret,unsigned long errch);
549 long ucs4_rmaplen (unsigned long *ucs4,unsigned long len,unsigned short *rmap,
550 unsigned long errch);
551 long ucs4_rmapbuf (unsigned char *t,unsigned long *ucs4,unsigned long len,
552 unsigned short *rmap,unsigned long errch);
553 unsigned long utf8_get (unsigned char **s,unsigned long *i);
554 unsigned long utf8_get_raw (unsigned char **s,unsigned long *i);
555 unsigned long ucs4_cs_get (CHARSET *cs,unsigned char **s,unsigned long *i);
556 unsigned long *utf8_csvalidmap (char *charsets[]);
557 const CHARSET *utf8_infercharset (SIZEDTEXT *src);
558 long utf8_validate (unsigned char *s,unsigned long i);
559 void utf8_text_1byte0 (SIZEDTEXT *text,SIZEDTEXT *ret,ucs4cn_t cv,ucs4de_t de);
560 void utf8_text_1byte (SIZEDTEXT *text,SIZEDTEXT *ret,void *tab,ucs4cn_t cv,
561 ucs4de_t de);
562 void utf8_text_1byte8 (SIZEDTEXT *text,SIZEDTEXT *ret,void *tab,ucs4cn_t cv,
563 ucs4de_t de);
564 void utf8_text_euc (SIZEDTEXT *text,SIZEDTEXT *ret,void *tab,ucs4cn_t cv,
565 ucs4de_t de);
566 void utf8_text_dbyte (SIZEDTEXT *text,SIZEDTEXT *ret,void *tab,ucs4cn_t cv,
567 ucs4de_t de);
568 void utf8_text_dbyte2 (SIZEDTEXT *text,SIZEDTEXT *ret,void *tab,ucs4cn_t cv,
569 ucs4de_t de);
570 void utf8_text_sjis (SIZEDTEXT *text,SIZEDTEXT *ret,ucs4cn_t cv,ucs4de_t de);
571 void utf8_text_2022 (SIZEDTEXT *text,SIZEDTEXT *ret,ucs4cn_t cv,ucs4de_t de);
572 void utf8_text_utf7 (SIZEDTEXT *text,SIZEDTEXT *ret,ucs4cn_t cv,ucs4de_t de);
573 void utf8_text_utf8 (SIZEDTEXT *text,SIZEDTEXT *ret,ucs4cn_t cv,ucs4de_t de);
574 void utf8_text_ucs2 (SIZEDTEXT *text,SIZEDTEXT *ret,ucs4cn_t cv,ucs4de_t de);
575 void utf8_text_ucs4 (SIZEDTEXT *text,SIZEDTEXT *ret,ucs4cn_t cv,ucs4de_t de);
576 void utf8_text_utf16 (SIZEDTEXT *text,SIZEDTEXT *ret,ucs4cn_t cv,ucs4de_t de);
577 unsigned long utf8_size (unsigned long c);
578 unsigned char *utf8_put (unsigned char *s,unsigned long c);
579 unsigned long ucs4_titlecase (unsigned long c);
580 long ucs4_width (unsigned long c);
581 long utf8_strwidth (unsigned char *s);
582 long utf8_textwidth (SIZEDTEXT *utf8);
583 unsigned long ucs4_decompose (unsigned long c,void **more);
584 unsigned long ucs4_decompose_recursive (unsigned long c,void **more);