Annotation of src/usr.bin/less/charset.c, Revision 1.16
1.1 etheisen 1: /*
1.10 shadchin 2: * Copyright (C) 1984-2012 Mark Nudelman
1.13 nicm 3: * Modified for use with illumos by Garrett D'Amore.
4: * Copyright 2014 Garrett D'Amore <garrett@damore.org>
1.1 etheisen 5: *
1.5 millert 6: * You may distribute under the terms of either the GNU General Public
7: * License or the Less License, as specified in the README file.
1.1 etheisen 8: *
1.10 shadchin 9: * For more information, see the README file.
1.11 nicm 10: */
1.1 etheisen 11:
12: /*
13: * Functions to define the character set
14: * and do things specific to the character set.
15: */
16:
17: #include "less.h"
18: #include <locale.h>
19: #include <ctype.h>
1.8 shadchin 20: #include <langinfo.h>
1.1 etheisen 21:
1.8 shadchin 22: #include "charset.h"
23:
1.11 nicm 24: int utf_mode = 0;
1.5 millert 25:
1.1 etheisen 26: #define IS_BINARY_CHAR 01
27: #define IS_CONTROL_CHAR 02
28:
29: static char chardef[256];
1.11 nicm 30: static const char *binfmt = NULL;
31: static const char *utfbinfmt = NULL;
32: int binattr = AT_STANDOUT;
1.1 etheisen 33:
1.11 nicm 34: static void
35: ilocale(void)
1.1 etheisen 36: {
1.11 nicm 37: int c;
1.1 etheisen 38:
1.11 nicm 39: for (c = 0; c < sizeof (chardef); c++) {
1.1 etheisen 40: if (isprint(c))
41: chardef[c] = 0;
42: else if (iscntrl(c))
43: chardef[c] = IS_CONTROL_CHAR;
44: else
45: chardef[c] = IS_BINARY_CHAR|IS_CONTROL_CHAR;
46: }
47: }
1.11 nicm 48:
49: static int
50: checkfmt(const char *s)
51: {
52: char c;
53: int seen = 0;
54:
55: /* %[<flags>][<width>][.<prec>][<type>]<fmt> */
56:
57: if (*s == '*') { /* skip leading attribute if there */
58: s++;
59: if (strchr("dksu", *s) == NULL) {
60: return (-1);
61: }
62: s++;
63: }
64:
65: while ((c = *s++) != 0) {
66: if (!isascii(c) || !isprint(c)) {
67: return (-1);
68: }
69: if (c != '%') {
70: continue;
71: }
72: if (*s == '%') { /* % escaped with second % */
73: s++;
74: continue;
75: }
76: if (seen) {
77: return (-1); /* 2nd % format item! */
78: }
79: while (strchr(" '+-0#", *s) != NULL) { /* skip flags */
80: s++;
81: }
82: while (isdigit(*s)) { /* skip width */
83: s++;
84: }
85: if (*s == '.') { /* skip precision */
86: s++;
87: while (isdigit(*s)) {
88: s++;
89: }
90: }
91: /* type width specifications, only "l", "h", and "hh" valid */
92: if (*s == 'l') {
93: s++;
94: } else if (*s == 'h') {
95: s++;
96: if (*s == 'h')
97: s++;
98: }
99:
100: if (strchr("cCdiouxX", *s) == NULL) {
101: /* bad or evil format character (%s, %n, etc.) */
102: return (-1);
103: }
104:
105: seen = 1;
106: }
107:
108: return (0);
109: }
1.1 etheisen 110:
111: /*
1.8 shadchin 112: * Define the printing format for control (or binary utf) chars.
1.1 etheisen 113: */
1.11 nicm 114: static void
115: setbinfmt(char *e, const char **fmtvarptr, const char *default_fmt)
1.1 etheisen 116: {
1.11 nicm 117: const char *s;
118:
119: if (((s = lgetenv(e)) == NULL) || (*s == 0)) {
120: s = default_fmt;
121: goto attr;
122: }
123:
124: if (s != NULL && *s != 0) {
125: if (checkfmt(s) < 0) {
126: s = default_fmt;
127: goto attr;
1.8 shadchin 128: }
129: }
130:
1.1 etheisen 131: /*
132: * Select the attributes if it starts with "*".
133: */
1.11 nicm 134: attr:
135: if (*s == '*') {
136: switch (s[1]) {
137: case 'd': binattr = AT_BOLD; break;
138: case 'k': binattr = AT_BLINK; break;
139: case 's': binattr = AT_STANDOUT; break;
1.1 etheisen 140: case 'u': binattr = AT_UNDERLINE; break;
1.11 nicm 141: default: binattr = AT_NORMAL; break;
1.1 etheisen 142: }
143: s += 2;
144: }
1.8 shadchin 145: *fmtvarptr = s;
1.1 etheisen 146: }
147:
148: /*
1.8 shadchin 149: *
1.1 etheisen 150: */
1.11 nicm 151: static void
152: set_charset(void)
1.1 etheisen 153: {
1.8 shadchin 154: char *s;
155:
156: s = nl_langinfo(CODESET);
1.16 ! tedu 157: if (s && strcasecmp(s, "utf-8") == 0)
! 158: utf_mode = 1;
1.8 shadchin 159:
1.1 etheisen 160: ilocale();
161: }
162:
163: /*
1.8 shadchin 164: * Initialize charset data structures.
165: */
1.11 nicm 166: void
167: init_charset(void)
1.8 shadchin 168: {
169: setlocale(LC_ALL, "");
170:
171: set_charset();
172:
1.11 nicm 173: setbinfmt("LESSBINFMT", &binfmt, "*s<%02X>");
174: setbinfmt("LESSUTFBINFMT", &utfbinfmt, "<U+%04lX>");
1.8 shadchin 175: }
176:
177: /*
1.1 etheisen 178: * Is a given character a "binary" character?
179: */
1.11 nicm 180: int
181: binary_char(LWCHAR c)
1.1 etheisen 182: {
1.8 shadchin 183: if (utf_mode)
184: return (is_ubin_char(c));
1.1 etheisen 185: c &= 0377;
186: return (chardef[c] & IS_BINARY_CHAR);
187: }
188:
189: /*
190: * Is a given character a "control" character?
191: */
1.11 nicm 192: int
193: control_char(LWCHAR c)
1.1 etheisen 194: {
195: c &= 0377;
196: return (chardef[c] & IS_CONTROL_CHAR);
197: }
198:
199: /*
200: * Return the printable form of a character.
201: * For example, in the "ascii" charset '\3' is printed as "^C".
202: */
1.11 nicm 203: char *
204: prchar(LWCHAR c)
1.1 etheisen 205: {
1.8 shadchin 206: /* {{ This buffer can be overrun if LESSBINFMT is a long string. }} */
207: static char buf[32];
1.1 etheisen 208:
209: c &= 0377;
1.8 shadchin 210: if ((c < 128 || !utf_mode) && !control_char(c))
1.11 nicm 211: (void) snprintf(buf, sizeof (buf), "%c", (int)c);
1.1 etheisen 212: else if (c == ESC)
1.11 nicm 213: (void) strlcpy(buf, "ESC", sizeof (buf));
214: else if (c < 128 && !control_char(c ^ 0100))
215: (void) snprintf(buf, sizeof (buf), "^%c", (int)(c ^ 0100));
1.1 etheisen 216: else
1.11 nicm 217: (void) snprintf(buf, sizeof (buf), binfmt, c);
1.8 shadchin 218: return (buf);
219: }
220:
221: /*
222: * Return the printable form of a UTF-8 character.
223: */
1.11 nicm 224: char *
225: prutfchar(LWCHAR ch)
1.8 shadchin 226: {
227: static char buf[32];
228:
1.11 nicm 229: if (ch == ESC) {
230: (void) strlcpy(buf, "ESC", sizeof (buf));
231: } else if (ch < 128 && control_char(ch)) {
1.8 shadchin 232: if (!control_char(ch ^ 0100))
1.11 nicm 233: (void) snprintf(buf, sizeof (buf), "^%c",
234: ((char)ch) ^ 0100);
1.8 shadchin 235: else
1.11 nicm 236: (void) snprintf(buf, sizeof (buf), binfmt, (char)ch);
237: } else if (is_ubin_char(ch)) {
238: (void) snprintf(buf, sizeof (buf), utfbinfmt, ch);
239: } else {
1.8 shadchin 240: int len;
1.11 nicm 241: if (ch >= 0x80000000) {
1.8 shadchin 242: len = 3;
243: ch = 0xFFFD;
1.11 nicm 244: } else {
245: len = (ch < 0x80) ? 1
246: : (ch < 0x800) ? 2
247: : (ch < 0x10000) ? 3
248: : (ch < 0x200000) ? 4
249: : (ch < 0x4000000) ? 5
250: : 6;
1.8 shadchin 251: }
252: buf[len] = '\0';
1.11 nicm 253: if (len == 1) {
254: *buf = (char)ch;
255: } else {
1.8 shadchin 256: *buf = ((1 << len) - 1) << (8 - len);
1.11 nicm 257: while (--len > 0) {
258: buf[len] = (char)(0x80 | (ch & 0x3F));
1.8 shadchin 259: ch >>= 6;
260: }
261: *buf |= ch;
262: }
263: }
1.1 etheisen 264: return (buf);
265: }
1.6 millert 266:
1.8 shadchin 267: /*
268: * Get the length of a UTF-8 character in bytes.
269: */
1.11 nicm 270: int
271: utf_len(char ch)
1.8 shadchin 272: {
273: if ((ch & 0x80) == 0)
1.11 nicm 274: return (1);
1.8 shadchin 275: if ((ch & 0xE0) == 0xC0)
1.11 nicm 276: return (2);
1.8 shadchin 277: if ((ch & 0xF0) == 0xE0)
1.11 nicm 278: return (3);
1.8 shadchin 279: if ((ch & 0xF8) == 0xF0)
1.11 nicm 280: return (4);
1.8 shadchin 281: if ((ch & 0xFC) == 0xF8)
1.11 nicm 282: return (5);
1.8 shadchin 283: if ((ch & 0xFE) == 0xFC)
1.11 nicm 284: return (6);
1.8 shadchin 285: /* Invalid UTF-8 encoding. */
1.11 nicm 286: return (1);
1.8 shadchin 287: }
288:
289: /*
290: * Is a UTF-8 character well-formed?
291: */
1.11 nicm 292: int
293: is_utf8_well_formed(const char *s)
1.8 shadchin 294: {
295: int i;
296: int len;
297:
298: if (IS_UTF8_INVALID(s[0]))
299: return (0);
300:
1.11 nicm 301: len = utf_len((char)s[0]);
1.8 shadchin 302: if (len == 1)
303: return (1);
1.11 nicm 304: if (len == 2) {
305: if ((unsigned char)(s[0]) < 0xC2)
306: return (0);
307: } else {
1.8 shadchin 308: unsigned char mask;
309: mask = (~((1 << (8-len)) - 1)) & 0xFF;
310: if (s[0] == mask && (s[1] & mask) == 0x80)
311: return (0);
312: }
313:
314: for (i = 1; i < len; i++)
315: if (!IS_UTF8_TRAIL(s[i]))
316: return (0);
317: return (1);
318: }
319:
320: /*
321: * Get the value of a UTF-8 character.
322: */
1.11 nicm 323: LWCHAR
324: get_wchar(const char *p)
1.8 shadchin 325: {
1.11 nicm 326: switch (utf_len(p[0])) {
1.8 shadchin 327: case 1:
328: default:
329: /* 0xxxxxxx */
330: return (LWCHAR)
1.11 nicm 331: (p[0] & 0xFF);
1.8 shadchin 332: case 2:
333: /* 110xxxxx 10xxxxxx */
334: return (LWCHAR) (
1.11 nicm 335: ((p[0] & 0x1F) << 6) |
336: (p[1] & 0x3F));
1.8 shadchin 337: case 3:
338: /* 1110xxxx 10xxxxxx 10xxxxxx */
339: return (LWCHAR) (
1.11 nicm 340: ((p[0] & 0x0F) << 12) |
341: ((p[1] & 0x3F) << 6) |
342: (p[2] & 0x3F));
1.8 shadchin 343: case 4:
344: /* 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */
345: return (LWCHAR) (
1.11 nicm 346: ((p[0] & 0x07) << 18) |
347: ((p[1] & 0x3F) << 12) |
348: ((p[2] & 0x3F) << 6) |
349: (p[3] & 0x3F));
1.8 shadchin 350: case 5:
351: /* 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */
352: return (LWCHAR) (
1.11 nicm 353: ((p[0] & 0x03) << 24) |
354: ((p[1] & 0x3F) << 18) |
355: ((p[2] & 0x3F) << 12) |
356: ((p[3] & 0x3F) << 6) |
357: (p[4] & 0x3F));
1.8 shadchin 358: case 6:
359: /* 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */
360: return (LWCHAR) (
1.11 nicm 361: ((p[0] & 0x01) << 30) |
362: ((p[1] & 0x3F) << 24) |
363: ((p[2] & 0x3F) << 18) |
364: ((p[3] & 0x3F) << 12) |
365: ((p[4] & 0x3F) << 6) |
366: (p[5] & 0x3F));
1.8 shadchin 367: }
368: }
369:
370: /*
371: * Store a character into a UTF-8 string.
372: */
1.11 nicm 373: void
374: put_wchar(char **pp, LWCHAR ch)
1.8 shadchin 375: {
1.11 nicm 376: if (!utf_mode || ch < 0x80) {
1.8 shadchin 377: /* 0xxxxxxx */
1.11 nicm 378: *(*pp)++ = (char)ch;
379: } else if (ch < 0x800) {
1.8 shadchin 380: /* 110xxxxx 10xxxxxx */
1.11 nicm 381: *(*pp)++ = (char)(0xC0 | ((ch >> 6) & 0x1F));
382: *(*pp)++ = (char)(0x80 | (ch & 0x3F));
383: } else if (ch < 0x10000) {
1.8 shadchin 384: /* 1110xxxx 10xxxxxx 10xxxxxx */
1.11 nicm 385: *(*pp)++ = (char)(0xE0 | ((ch >> 12) & 0x0F));
386: *(*pp)++ = (char)(0x80 | ((ch >> 6) & 0x3F));
387: *(*pp)++ = (char)(0x80 | (ch & 0x3F));
388: } else if (ch < 0x200000) {
1.8 shadchin 389: /* 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */
1.11 nicm 390: *(*pp)++ = (char)(0xF0 | ((ch >> 18) & 0x07));
391: *(*pp)++ = (char)(0x80 | ((ch >> 12) & 0x3F));
392: *(*pp)++ = (char)(0x80 | ((ch >> 6) & 0x3F));
393: *(*pp)++ = (char)(0x80 | (ch & 0x3F));
394: } else if (ch < 0x4000000) {
1.8 shadchin 395: /* 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */
1.11 nicm 396: *(*pp)++ = (char)(0xF0 | ((ch >> 24) & 0x03));
397: *(*pp)++ = (char)(0x80 | ((ch >> 18) & 0x3F));
398: *(*pp)++ = (char)(0x80 | ((ch >> 12) & 0x3F));
399: *(*pp)++ = (char)(0x80 | ((ch >> 6) & 0x3F));
400: *(*pp)++ = (char)(0x80 | (ch & 0x3F));
401: } else {
1.8 shadchin 402: /* 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */
1.11 nicm 403: *(*pp)++ = (char)(0xF0 | ((ch >> 30) & 0x01));
404: *(*pp)++ = (char)(0x80 | ((ch >> 24) & 0x3F));
405: *(*pp)++ = (char)(0x80 | ((ch >> 18) & 0x3F));
406: *(*pp)++ = (char)(0x80 | ((ch >> 12) & 0x3F));
407: *(*pp)++ = (char)(0x80 | ((ch >> 6) & 0x3F));
408: *(*pp)++ = (char)(0x80 | (ch & 0x3F));
1.8 shadchin 409: }
410: }
411:
412: /*
413: * Step forward or backward one character in a string.
414: */
1.11 nicm 415: LWCHAR
416: step_char(char **pp, int dir, char *limit)
1.8 shadchin 417: {
418: LWCHAR ch;
419: int len;
420: char *p = *pp;
421:
1.11 nicm 422: if (!utf_mode) {
1.8 shadchin 423: /* It's easy if chars are one byte. */
424: if (dir > 0)
425: ch = (LWCHAR) ((p < limit) ? *p++ : 0);
426: else
427: ch = (LWCHAR) ((p > limit) ? *--p : 0);
1.11 nicm 428: } else if (dir > 0) {
1.8 shadchin 429: len = utf_len(*p);
1.11 nicm 430: if (p + len > limit) {
1.8 shadchin 431: ch = 0;
432: p = limit;
1.11 nicm 433: } else {
1.8 shadchin 434: ch = get_wchar(p);
435: p += len;
436: }
1.11 nicm 437: } else {
1.8 shadchin 438: while (p > limit && IS_UTF8_TRAIL(p[-1]))
439: p--;
440: if (p > limit)
441: ch = get_wchar(--p);
442: else
443: ch = 0;
444: }
445: *pp = p;
1.11 nicm 446: return (ch);
1.8 shadchin 447: }
448:
449: /*
450: * Unicode characters data
451: */
452: struct wchar_range { LWCHAR first, last; };
453:
454: /*
455: * Characters with general category values
456: * Mn: Mark, Nonspacing
457: * Me: Mark, Enclosing
458: * Last synched with
459: * <http://www.unicode.org/Public/5.0.0/ucd/UnicodeData-5.0.0d7.txt>
460: * dated 2005-11-30T00:58:48Z
461: */
462: static struct wchar_range comp_table[] = {
463: { 0x0300, 0x036F} /* Mn */, { 0x0483, 0x0486} /* Mn */,
464: { 0x0488, 0x0489} /* Me */,
465: { 0x0591, 0x05BD} /* Mn */, { 0x05BF, 0x05BF} /* Mn */,
466: { 0x05C1, 0x05C2} /* Mn */, { 0x05C4, 0x05C5} /* Mn */,
467: { 0x05C7, 0x05C7} /* Mn */, { 0x0610, 0x0615} /* Mn */,
468: { 0x064B, 0x065E} /* Mn */, { 0x0670, 0x0670} /* Mn */,
469: { 0x06D6, 0x06DC} /* Mn */,
470: { 0x06DE, 0x06DE} /* Me */,
471: { 0x06DF, 0x06E4} /* Mn */, { 0x06E7, 0x06E8} /* Mn */,
472: { 0x06EA, 0x06ED} /* Mn */, { 0x0711, 0x0711} /* Mn */,
473: { 0x0730, 0x074A} /* Mn */, { 0x07A6, 0x07B0} /* Mn */,
474: { 0x07EB, 0x07F3} /* Mn */, { 0x0901, 0x0902} /* Mn */,
475: { 0x093C, 0x093C} /* Mn */, { 0x0941, 0x0948} /* Mn */,
476: { 0x094D, 0x094D} /* Mn */, { 0x0951, 0x0954} /* Mn */,
477: { 0x0962, 0x0963} /* Mn */, { 0x0981, 0x0981} /* Mn */,
478: { 0x09BC, 0x09BC} /* Mn */, { 0x09C1, 0x09C4} /* Mn */,
479: { 0x09CD, 0x09CD} /* Mn */, { 0x09E2, 0x09E3} /* Mn */,
480: { 0x0A01, 0x0A02} /* Mn */, { 0x0A3C, 0x0A3C} /* Mn */,
481: { 0x0A41, 0x0A42} /* Mn */, { 0x0A47, 0x0A48} /* Mn */,
482: { 0x0A4B, 0x0A4D} /* Mn */, { 0x0A70, 0x0A71} /* Mn */,
483: { 0x0A81, 0x0A82} /* Mn */, { 0x0ABC, 0x0ABC} /* Mn */,
484: { 0x0AC1, 0x0AC5} /* Mn */, { 0x0AC7, 0x0AC8} /* Mn */,
485: { 0x0ACD, 0x0ACD} /* Mn */, { 0x0AE2, 0x0AE3} /* Mn */,
486: { 0x0B01, 0x0B01} /* Mn */, { 0x0B3C, 0x0B3C} /* Mn */,
487: { 0x0B3F, 0x0B3F} /* Mn */, { 0x0B41, 0x0B43} /* Mn */,
488: { 0x0B4D, 0x0B4D} /* Mn */, { 0x0B56, 0x0B56} /* Mn */,
489: { 0x0B82, 0x0B82} /* Mn */, { 0x0BC0, 0x0BC0} /* Mn */,
490: { 0x0BCD, 0x0BCD} /* Mn */, { 0x0C3E, 0x0C40} /* Mn */,
491: { 0x0C46, 0x0C48} /* Mn */, { 0x0C4A, 0x0C4D} /* Mn */,
492: { 0x0C55, 0x0C56} /* Mn */, { 0x0CBC, 0x0CBC} /* Mn */,
493: { 0x0CBF, 0x0CBF} /* Mn */, { 0x0CC6, 0x0CC6} /* Mn */,
494: { 0x0CCC, 0x0CCD} /* Mn */, { 0x0CE2, 0x0CE3} /* Mn */,
495: { 0x0D41, 0x0D43} /* Mn */, { 0x0D4D, 0x0D4D} /* Mn */,
496: { 0x0DCA, 0x0DCA} /* Mn */, { 0x0DD2, 0x0DD4} /* Mn */,
497: { 0x0DD6, 0x0DD6} /* Mn */, { 0x0E31, 0x0E31} /* Mn */,
498: { 0x0E34, 0x0E3A} /* Mn */, { 0x0E47, 0x0E4E} /* Mn */,
499: { 0x0EB1, 0x0EB1} /* Mn */, { 0x0EB4, 0x0EB9} /* Mn */,
500: { 0x0EBB, 0x0EBC} /* Mn */, { 0x0EC8, 0x0ECD} /* Mn */,
501: { 0x0F18, 0x0F19} /* Mn */, { 0x0F35, 0x0F35} /* Mn */,
502: { 0x0F37, 0x0F37} /* Mn */, { 0x0F39, 0x0F39} /* Mn */,
503: { 0x0F71, 0x0F7E} /* Mn */, { 0x0F80, 0x0F84} /* Mn */,
504: { 0x0F86, 0x0F87} /* Mn */, { 0x0F90, 0x0F97} /* Mn */,
505: { 0x0F99, 0x0FBC} /* Mn */, { 0x0FC6, 0x0FC6} /* Mn */,
506: { 0x102D, 0x1030} /* Mn */, { 0x1032, 0x1032} /* Mn */,
507: { 0x1036, 0x1037} /* Mn */, { 0x1039, 0x1039} /* Mn */,
508: { 0x1058, 0x1059} /* Mn */, { 0x135F, 0x135F} /* Mn */,
509: { 0x1712, 0x1714} /* Mn */, { 0x1732, 0x1734} /* Mn */,
510: { 0x1752, 0x1753} /* Mn */, { 0x1772, 0x1773} /* Mn */,
511: { 0x17B7, 0x17BD} /* Mn */, { 0x17C6, 0x17C6} /* Mn */,
512: { 0x17C9, 0x17D3} /* Mn */, { 0x17DD, 0x17DD} /* Mn */,
513: { 0x180B, 0x180D} /* Mn */, { 0x18A9, 0x18A9} /* Mn */,
514: { 0x1920, 0x1922} /* Mn */, { 0x1927, 0x1928} /* Mn */,
515: { 0x1932, 0x1932} /* Mn */, { 0x1939, 0x193B} /* Mn */,
516: { 0x1A17, 0x1A18} /* Mn */, { 0x1B00, 0x1B03} /* Mn */,
517: { 0x1B34, 0x1B34} /* Mn */, { 0x1B36, 0x1B3A} /* Mn */,
518: { 0x1B3C, 0x1B3C} /* Mn */, { 0x1B42, 0x1B42} /* Mn */,
519: { 0x1B6B, 0x1B73} /* Mn */, { 0x1DC0, 0x1DCA} /* Mn */,
520: { 0x1DFE, 0x1DFF} /* Mn */, { 0x20D0, 0x20DC} /* Mn */,
521: { 0x20DD, 0x20E0} /* Me */,
522: { 0x20E1, 0x20E1} /* Mn */,
523: { 0x20E2, 0x20E4} /* Me */,
524: { 0x20E5, 0x20EF} /* Mn */, { 0x302A, 0x302F} /* Mn */,
525: { 0x3099, 0x309A} /* Mn */, { 0xA806, 0xA806} /* Mn */,
526: { 0xA80B, 0xA80B} /* Mn */, { 0xA825, 0xA826} /* Mn */,
527: { 0xFB1E, 0xFB1E} /* Mn */, { 0xFE00, 0xFE0F} /* Mn */,
528: { 0xFE20, 0xFE23} /* Mn */, { 0x10A01, 0x10A03} /* Mn */,
529: { 0x10A05, 0x10A06} /* Mn */, { 0x10A0C, 0x10A0F} /* Mn */,
530: { 0x10A38, 0x10A3A} /* Mn */, { 0x10A3F, 0x10A3F} /* Mn */,
531: { 0x1D167, 0x1D169} /* Mn */, { 0x1D17B, 0x1D182} /* Mn */,
532: { 0x1D185, 0x1D18B} /* Mn */, { 0x1D1AA, 0x1D1AD} /* Mn */,
533: { 0x1D242, 0x1D244} /* Mn */, { 0xE0100, 0xE01EF} /* Mn */,
534: };
535:
536: /*
537: * Special pairs, not ranges.
538: */
539: static struct wchar_range comb_table[] = {
1.11 nicm 540: {0x0644, 0x0622}, {0x0644, 0x0623}, {0x0644, 0x0625}, {0x0644, 0x0627},
1.8 shadchin 541: };
542:
543: /*
544: * Characters with general category values
545: * Cc: Other, Control
546: * Cf: Other, Format
547: * Cs: Other, Surrogate
548: * Co: Other, Private Use
549: * Cn: Other, Not Assigned
550: * Zl: Separator, Line
551: * Zp: Separator, Paragraph
552: * Last synched with
553: * <http://www.unicode.org/Public/5.0.0/ucd/UnicodeData-5.0.0d7.txt>
554: * dated 2005-11-30T00:58:48Z
555: */
556: static struct wchar_range ubin_table[] = {
1.11 nicm 557: { 0x0000, 0x0007} /* Cc */,
558: { 0x000B, 0x000C} /* Cc */,
559: { 0x000E, 0x001A} /* Cc */,
560: { 0x001C, 0x001F} /* Cc */,
1.8 shadchin 561: { 0x007F, 0x009F} /* Cc */,
562: #if 0
563: { 0x00AD, 0x00AD} /* Cf */,
564: #endif
565: { 0x0370, 0x0373} /* Cn */, { 0x0376, 0x0379} /* Cn */,
566: { 0x037F, 0x0383} /* Cn */, { 0x038B, 0x038B} /* Cn */,
567: { 0x038D, 0x038D} /* Cn */, { 0x03A2, 0x03A2} /* Cn */,
568: { 0x03CF, 0x03CF} /* Cn */, { 0x0487, 0x0487} /* Cn */,
569: { 0x0514, 0x0530} /* Cn */, { 0x0557, 0x0558} /* Cn */,
570: { 0x0560, 0x0560} /* Cn */, { 0x0588, 0x0588} /* Cn */,
571: { 0x058B, 0x0590} /* Cn */, { 0x05C8, 0x05CF} /* Cn */,
572: { 0x05EB, 0x05EF} /* Cn */, { 0x05F5, 0x05FF} /* Cn */,
573: #if 0
574: { 0x0600, 0x0603} /* Cf */,
575: #endif
576: { 0x0604, 0x060A} /* Cn */, { 0x0616, 0x061A} /* Cn */,
577: { 0x061C, 0x061D} /* Cn */, { 0x0620, 0x0620} /* Cn */,
578: { 0x063B, 0x063F} /* Cn */, { 0x065F, 0x065F} /* Cn */,
579: #if 0
580: { 0x06DD, 0x06DD} /* Cf */,
581: #endif
582: { 0x070E, 0x070E} /* Cn */,
583: #if 0
584: { 0x070F, 0x070F} /* Cf */,
585: #endif
586: { 0x074B, 0x074C} /* Cn */, { 0x076E, 0x077F} /* Cn */,
587: { 0x07B2, 0x07BF} /* Cn */, { 0x07FB, 0x0900} /* Cn */,
588: { 0x093A, 0x093B} /* Cn */, { 0x094E, 0x094F} /* Cn */,
589: { 0x0955, 0x0957} /* Cn */, { 0x0971, 0x097A} /* Cn */,
590: { 0x0980, 0x0980} /* Cn */, { 0x0984, 0x0984} /* Cn */,
591: { 0x098D, 0x098E} /* Cn */, { 0x0991, 0x0992} /* Cn */,
592: { 0x09A9, 0x09A9} /* Cn */, { 0x09B1, 0x09B1} /* Cn */,
593: { 0x09B3, 0x09B5} /* Cn */, { 0x09BA, 0x09BB} /* Cn */,
594: { 0x09C5, 0x09C6} /* Cn */, { 0x09C9, 0x09CA} /* Cn */,
595: { 0x09CF, 0x09D6} /* Cn */, { 0x09D8, 0x09DB} /* Cn */,
596: { 0x09DE, 0x09DE} /* Cn */, { 0x09E4, 0x09E5} /* Cn */,
597: { 0x09FB, 0x0A00} /* Cn */, { 0x0A04, 0x0A04} /* Cn */,
598: { 0x0A0B, 0x0A0E} /* Cn */, { 0x0A11, 0x0A12} /* Cn */,
599: { 0x0A29, 0x0A29} /* Cn */, { 0x0A31, 0x0A31} /* Cn */,
600: { 0x0A34, 0x0A34} /* Cn */, { 0x0A37, 0x0A37} /* Cn */,
601: { 0x0A3A, 0x0A3B} /* Cn */, { 0x0A3D, 0x0A3D} /* Cn */,
602: { 0x0A43, 0x0A46} /* Cn */, { 0x0A49, 0x0A4A} /* Cn */,
603: { 0x0A4E, 0x0A58} /* Cn */, { 0x0A5D, 0x0A5D} /* Cn */,
604: { 0x0A5F, 0x0A65} /* Cn */, { 0x0A75, 0x0A80} /* Cn */,
605: { 0x0A84, 0x0A84} /* Cn */, { 0x0A8E, 0x0A8E} /* Cn */,
606: { 0x0A92, 0x0A92} /* Cn */, { 0x0AA9, 0x0AA9} /* Cn */,
607: { 0x0AB1, 0x0AB1} /* Cn */, { 0x0AB4, 0x0AB4} /* Cn */,
608: { 0x0ABA, 0x0ABB} /* Cn */, { 0x0AC6, 0x0AC6} /* Cn */,
609: { 0x0ACA, 0x0ACA} /* Cn */, { 0x0ACE, 0x0ACF} /* Cn */,
610: { 0x0AD1, 0x0ADF} /* Cn */, { 0x0AE4, 0x0AE5} /* Cn */,
611: { 0x0AF0, 0x0AF0} /* Cn */, { 0x0AF2, 0x0B00} /* Cn */,
612: { 0x0B04, 0x0B04} /* Cn */, { 0x0B0D, 0x0B0E} /* Cn */,
613: { 0x0B11, 0x0B12} /* Cn */, { 0x0B29, 0x0B29} /* Cn */,
614: { 0x0B31, 0x0B31} /* Cn */, { 0x0B34, 0x0B34} /* Cn */,
615: { 0x0B3A, 0x0B3B} /* Cn */, { 0x0B44, 0x0B46} /* Cn */,
616: { 0x0B49, 0x0B4A} /* Cn */, { 0x0B4E, 0x0B55} /* Cn */,
617: { 0x0B58, 0x0B5B} /* Cn */, { 0x0B5E, 0x0B5E} /* Cn */,
618: { 0x0B62, 0x0B65} /* Cn */, { 0x0B72, 0x0B81} /* Cn */,
619: { 0x0B84, 0x0B84} /* Cn */, { 0x0B8B, 0x0B8D} /* Cn */,
620: { 0x0B91, 0x0B91} /* Cn */, { 0x0B96, 0x0B98} /* Cn */,
621: { 0x0B9B, 0x0B9B} /* Cn */, { 0x0B9D, 0x0B9D} /* Cn */,
622: { 0x0BA0, 0x0BA2} /* Cn */, { 0x0BA5, 0x0BA7} /* Cn */,
623: { 0x0BAB, 0x0BAD} /* Cn */, { 0x0BBA, 0x0BBD} /* Cn */,
624: { 0x0BC3, 0x0BC5} /* Cn */, { 0x0BC9, 0x0BC9} /* Cn */,
625: { 0x0BCE, 0x0BD6} /* Cn */, { 0x0BD8, 0x0BE5} /* Cn */,
626: { 0x0BFB, 0x0C00} /* Cn */, { 0x0C04, 0x0C04} /* Cn */,
627: { 0x0C0D, 0x0C0D} /* Cn */, { 0x0C11, 0x0C11} /* Cn */,
628: { 0x0C29, 0x0C29} /* Cn */, { 0x0C34, 0x0C34} /* Cn */,
629: { 0x0C3A, 0x0C3D} /* Cn */, { 0x0C45, 0x0C45} /* Cn */,
630: { 0x0C49, 0x0C49} /* Cn */, { 0x0C4E, 0x0C54} /* Cn */,
631: { 0x0C57, 0x0C5F} /* Cn */, { 0x0C62, 0x0C65} /* Cn */,
632: { 0x0C70, 0x0C81} /* Cn */, { 0x0C84, 0x0C84} /* Cn */,
633: { 0x0C8D, 0x0C8D} /* Cn */, { 0x0C91, 0x0C91} /* Cn */,
634: { 0x0CA9, 0x0CA9} /* Cn */, { 0x0CB4, 0x0CB4} /* Cn */,
635: { 0x0CBA, 0x0CBB} /* Cn */, { 0x0CC5, 0x0CC5} /* Cn */,
636: { 0x0CC9, 0x0CC9} /* Cn */, { 0x0CCE, 0x0CD4} /* Cn */,
637: { 0x0CD7, 0x0CDD} /* Cn */, { 0x0CDF, 0x0CDF} /* Cn */,
638: { 0x0CE4, 0x0CE5} /* Cn */, { 0x0CF0, 0x0CF0} /* Cn */,
639: { 0x0CF3, 0x0D01} /* Cn */, { 0x0D04, 0x0D04} /* Cn */,
640: { 0x0D0D, 0x0D0D} /* Cn */, { 0x0D11, 0x0D11} /* Cn */,
641: { 0x0D29, 0x0D29} /* Cn */, { 0x0D3A, 0x0D3D} /* Cn */,
642: { 0x0D44, 0x0D45} /* Cn */, { 0x0D49, 0x0D49} /* Cn */,
643: { 0x0D4E, 0x0D56} /* Cn */, { 0x0D58, 0x0D5F} /* Cn */,
644: { 0x0D62, 0x0D65} /* Cn */, { 0x0D70, 0x0D81} /* Cn */,
645: { 0x0D84, 0x0D84} /* Cn */, { 0x0D97, 0x0D99} /* Cn */,
646: { 0x0DB2, 0x0DB2} /* Cn */, { 0x0DBC, 0x0DBC} /* Cn */,
647: { 0x0DBE, 0x0DBF} /* Cn */, { 0x0DC7, 0x0DC9} /* Cn */,
648: { 0x0DCB, 0x0DCE} /* Cn */, { 0x0DD5, 0x0DD5} /* Cn */,
649: { 0x0DD7, 0x0DD7} /* Cn */, { 0x0DE0, 0x0DF1} /* Cn */,
650: { 0x0DF5, 0x0E00} /* Cn */, { 0x0E3B, 0x0E3E} /* Cn */,
651: { 0x0E5C, 0x0E80} /* Cn */, { 0x0E83, 0x0E83} /* Cn */,
652: { 0x0E85, 0x0E86} /* Cn */, { 0x0E89, 0x0E89} /* Cn */,
653: { 0x0E8B, 0x0E8C} /* Cn */, { 0x0E8E, 0x0E93} /* Cn */,
654: { 0x0E98, 0x0E98} /* Cn */, { 0x0EA0, 0x0EA0} /* Cn */,
655: { 0x0EA4, 0x0EA4} /* Cn */, { 0x0EA6, 0x0EA6} /* Cn */,
656: { 0x0EA8, 0x0EA9} /* Cn */, { 0x0EAC, 0x0EAC} /* Cn */,
657: { 0x0EBA, 0x0EBA} /* Cn */, { 0x0EBE, 0x0EBF} /* Cn */,
658: { 0x0EC5, 0x0EC5} /* Cn */, { 0x0EC7, 0x0EC7} /* Cn */,
659: { 0x0ECE, 0x0ECF} /* Cn */, { 0x0EDA, 0x0EDB} /* Cn */,
660: { 0x0EDE, 0x0EFF} /* Cn */, { 0x0F48, 0x0F48} /* Cn */,
661: { 0x0F6B, 0x0F70} /* Cn */, { 0x0F8C, 0x0F8F} /* Cn */,
662: { 0x0F98, 0x0F98} /* Cn */, { 0x0FBD, 0x0FBD} /* Cn */,
663: { 0x0FCD, 0x0FCE} /* Cn */, { 0x0FD2, 0x0FFF} /* Cn */,
664: { 0x1022, 0x1022} /* Cn */, { 0x1028, 0x1028} /* Cn */,
665: { 0x102B, 0x102B} /* Cn */, { 0x1033, 0x1035} /* Cn */,
666: { 0x103A, 0x103F} /* Cn */, { 0x105A, 0x109F} /* Cn */,
667: { 0x10C6, 0x10CF} /* Cn */, { 0x10FD, 0x10FF} /* Cn */,
668: { 0x115A, 0x115E} /* Cn */, { 0x11A3, 0x11A7} /* Cn */,
669: { 0x11FA, 0x11FF} /* Cn */, { 0x1249, 0x1249} /* Cn */,
670: { 0x124E, 0x124F} /* Cn */, { 0x1257, 0x1257} /* Cn */,
671: { 0x1259, 0x1259} /* Cn */, { 0x125E, 0x125F} /* Cn */,
672: { 0x1289, 0x1289} /* Cn */, { 0x128E, 0x128F} /* Cn */,
673: { 0x12B1, 0x12B1} /* Cn */, { 0x12B6, 0x12B7} /* Cn */,
674: { 0x12BF, 0x12BF} /* Cn */, { 0x12C1, 0x12C1} /* Cn */,
675: { 0x12C6, 0x12C7} /* Cn */, { 0x12D7, 0x12D7} /* Cn */,
676: { 0x1311, 0x1311} /* Cn */, { 0x1316, 0x1317} /* Cn */,
677: { 0x135B, 0x135E} /* Cn */, { 0x137D, 0x137F} /* Cn */,
678: { 0x139A, 0x139F} /* Cn */, { 0x13F5, 0x1400} /* Cn */,
679: { 0x1677, 0x167F} /* Cn */, { 0x169D, 0x169F} /* Cn */,
680: { 0x16F1, 0x16FF} /* Cn */, { 0x170D, 0x170D} /* Cn */,
681: { 0x1715, 0x171F} /* Cn */, { 0x1737, 0x173F} /* Cn */,
682: { 0x1754, 0x175F} /* Cn */, { 0x176D, 0x176D} /* Cn */,
683: { 0x1771, 0x1771} /* Cn */, { 0x1774, 0x177F} /* Cn */,
684: #if 0
685: { 0x17B4, 0x17B5} /* Cf */,
686: #endif
687: { 0x17DE, 0x17DF} /* Cn */, { 0x17EA, 0x17EF} /* Cn */,
688: { 0x17FA, 0x17FF} /* Cn */, { 0x180F, 0x180F} /* Cn */,
689: { 0x181A, 0x181F} /* Cn */, { 0x1878, 0x187F} /* Cn */,
690: { 0x18AA, 0x18FF} /* Cn */, { 0x191D, 0x191F} /* Cn */,
691: { 0x192C, 0x192F} /* Cn */, { 0x193C, 0x193F} /* Cn */,
692: { 0x1941, 0x1943} /* Cn */, { 0x196E, 0x196F} /* Cn */,
693: { 0x1975, 0x197F} /* Cn */, { 0x19AA, 0x19AF} /* Cn */,
694: { 0x19CA, 0x19CF} /* Cn */, { 0x19DA, 0x19DD} /* Cn */,
695: { 0x1A1C, 0x1A1D} /* Cn */, { 0x1A20, 0x1AFF} /* Cn */,
696: { 0x1B4C, 0x1B4F} /* Cn */, { 0x1B7D, 0x1CFF} /* Cn */,
697: { 0x1DCB, 0x1DFD} /* Cn */, { 0x1E9C, 0x1E9F} /* Cn */,
698: { 0x1EFA, 0x1EFF} /* Cn */, { 0x1F16, 0x1F17} /* Cn */,
699: { 0x1F1E, 0x1F1F} /* Cn */, { 0x1F46, 0x1F47} /* Cn */,
700: { 0x1F4E, 0x1F4F} /* Cn */, { 0x1F58, 0x1F58} /* Cn */,
701: { 0x1F5A, 0x1F5A} /* Cn */, { 0x1F5C, 0x1F5C} /* Cn */,
702: { 0x1F5E, 0x1F5E} /* Cn */, { 0x1F7E, 0x1F7F} /* Cn */,
703: { 0x1FB5, 0x1FB5} /* Cn */, { 0x1FC5, 0x1FC5} /* Cn */,
704: { 0x1FD4, 0x1FD5} /* Cn */, { 0x1FDC, 0x1FDC} /* Cn */,
705: { 0x1FF0, 0x1FF1} /* Cn */, { 0x1FF5, 0x1FF5} /* Cn */,
706: { 0x1FFF, 0x1FFF} /* Cn */,
707: { 0x200B, 0x200F} /* Cf */,
708: { 0x2028, 0x2028} /* Zl */,
709: { 0x2029, 0x2029} /* Zp */,
710: { 0x202A, 0x202E} /* Cf */,
711: { 0x2060, 0x2063} /* Cf */,
712: { 0x2064, 0x2069} /* Cn */,
713: { 0x206A, 0x206F} /* Cf */,
714: { 0x2072, 0x2073} /* Cn */, { 0x208F, 0x208F} /* Cn */,
715: { 0x2095, 0x209F} /* Cn */, { 0x20B6, 0x20CF} /* Cn */,
716: { 0x20F0, 0x20FF} /* Cn */, { 0x214F, 0x2152} /* Cn */,
717: { 0x2185, 0x218F} /* Cn */, { 0x23E8, 0x23FF} /* Cn */,
718: { 0x2427, 0x243F} /* Cn */, { 0x244B, 0x245F} /* Cn */,
719: { 0x269D, 0x269F} /* Cn */, { 0x26B3, 0x2700} /* Cn */,
720: { 0x2705, 0x2705} /* Cn */, { 0x270A, 0x270B} /* Cn */,
721: { 0x2728, 0x2728} /* Cn */, { 0x274C, 0x274C} /* Cn */,
722: { 0x274E, 0x274E} /* Cn */, { 0x2753, 0x2755} /* Cn */,
723: { 0x2757, 0x2757} /* Cn */, { 0x275F, 0x2760} /* Cn */,
724: { 0x2795, 0x2797} /* Cn */, { 0x27B0, 0x27B0} /* Cn */,
725: { 0x27BF, 0x27BF} /* Cn */, { 0x27CB, 0x27CF} /* Cn */,
726: { 0x27EC, 0x27EF} /* Cn */, { 0x2B1B, 0x2B1F} /* Cn */,
727: { 0x2B24, 0x2BFF} /* Cn */, { 0x2C2F, 0x2C2F} /* Cn */,
728: { 0x2C5F, 0x2C5F} /* Cn */, { 0x2C6D, 0x2C73} /* Cn */,
729: { 0x2C78, 0x2C7F} /* Cn */, { 0x2CEB, 0x2CF8} /* Cn */,
730: { 0x2D26, 0x2D2F} /* Cn */, { 0x2D66, 0x2D6E} /* Cn */,
731: { 0x2D70, 0x2D7F} /* Cn */, { 0x2D97, 0x2D9F} /* Cn */,
732: { 0x2DA7, 0x2DA7} /* Cn */, { 0x2DAF, 0x2DAF} /* Cn */,
733: { 0x2DB7, 0x2DB7} /* Cn */, { 0x2DBF, 0x2DBF} /* Cn */,
734: { 0x2DC7, 0x2DC7} /* Cn */, { 0x2DCF, 0x2DCF} /* Cn */,
735: { 0x2DD7, 0x2DD7} /* Cn */, { 0x2DDF, 0x2DFF} /* Cn */,
736: { 0x2E18, 0x2E1B} /* Cn */, { 0x2E1E, 0x2E7F} /* Cn */,
737: { 0x2E9A, 0x2E9A} /* Cn */, { 0x2EF4, 0x2EFF} /* Cn */,
738: { 0x2FD6, 0x2FEF} /* Cn */, { 0x2FFC, 0x2FFF} /* Cn */,
739: { 0x3040, 0x3040} /* Cn */, { 0x3097, 0x3098} /* Cn */,
740: { 0x3100, 0x3104} /* Cn */, { 0x312D, 0x3130} /* Cn */,
741: { 0x318F, 0x318F} /* Cn */, { 0x31B8, 0x31BF} /* Cn */,
742: { 0x31D0, 0x31EF} /* Cn */, { 0x321F, 0x321F} /* Cn */,
743: { 0x3244, 0x324F} /* Cn */, { 0x32FF, 0x32FF} /* Cn */,
744: { 0x4DB6, 0x4DBF} /* Cn */, { 0x9FBC, 0x9FFF} /* Cn */,
745: { 0xA48D, 0xA48F} /* Cn */, { 0xA4C7, 0xA6FF} /* Cn */,
746: { 0xA71B, 0xA71F} /* Cn */, { 0xA722, 0xA7FF} /* Cn */,
747: { 0xA82C, 0xA83F} /* Cn */, { 0xA878, 0xABFF} /* Cn */,
748: { 0xD7A4, 0xD7FF} /* Cn */,
749: { 0xD800, 0xDFFF} /* Cs */,
750: { 0xE000, 0xF8FF} /* Co */,
751: { 0xFA2E, 0xFA2F} /* Cn */, { 0xFA6B, 0xFA6F} /* Cn */,
752: { 0xFADA, 0xFAFF} /* Cn */, { 0xFB07, 0xFB12} /* Cn */,
753: { 0xFB18, 0xFB1C} /* Cn */, { 0xFB37, 0xFB37} /* Cn */,
754: { 0xFB3D, 0xFB3D} /* Cn */, { 0xFB3F, 0xFB3F} /* Cn */,
755: { 0xFB42, 0xFB42} /* Cn */, { 0xFB45, 0xFB45} /* Cn */,
756: { 0xFBB2, 0xFBD2} /* Cn */, { 0xFD40, 0xFD4F} /* Cn */,
757: { 0xFD90, 0xFD91} /* Cn */, { 0xFDC8, 0xFDEF} /* Cn */,
758: { 0xFDFE, 0xFDFF} /* Cn */, { 0xFE1A, 0xFE1F} /* Cn */,
759: { 0xFE24, 0xFE2F} /* Cn */, { 0xFE53, 0xFE53} /* Cn */,
760: { 0xFE67, 0xFE67} /* Cn */, { 0xFE6C, 0xFE6F} /* Cn */,
761: { 0xFE75, 0xFE75} /* Cn */, { 0xFEFD, 0xFEFE} /* Cn */,
762: { 0xFEFF, 0xFEFF} /* Cf */,
763: { 0xFF00, 0xFF00} /* Cn */, { 0xFFBF, 0xFFC1} /* Cn */,
764: { 0xFFC8, 0xFFC9} /* Cn */, { 0xFFD0, 0xFFD1} /* Cn */,
765: { 0xFFD8, 0xFFD9} /* Cn */, { 0xFFDD, 0xFFDF} /* Cn */,
766: { 0xFFE7, 0xFFE7} /* Cn */, { 0xFFEF, 0xFFF8} /* Cn */,
767: { 0xFFF9, 0xFFFB} /* Cf */,
768: { 0xFFFE, 0xFFFF} /* Cn */, { 0x1000C, 0x1000C} /* Cn */,
769: { 0x10027, 0x10027} /* Cn */, { 0x1003B, 0x1003B} /* Cn */,
770: { 0x1003E, 0x1003E} /* Cn */, { 0x1004E, 0x1004F} /* Cn */,
771: { 0x1005E, 0x1007F} /* Cn */, { 0x100FB, 0x100FF} /* Cn */,
772: { 0x10103, 0x10106} /* Cn */, { 0x10134, 0x10136} /* Cn */,
773: { 0x1018B, 0x102FF} /* Cn */, { 0x1031F, 0x1031F} /* Cn */,
774: { 0x10324, 0x1032F} /* Cn */, { 0x1034B, 0x1037F} /* Cn */,
775: { 0x1039E, 0x1039E} /* Cn */, { 0x103C4, 0x103C7} /* Cn */,
776: { 0x103D6, 0x103FF} /* Cn */,
777: { 0x1049E, 0x1049F} /* Cn */, { 0x104AA, 0x107FF} /* Cn */,
778: { 0x10806, 0x10807} /* Cn */, { 0x10809, 0x10809} /* Cn */,
779: { 0x10836, 0x10836} /* Cn */, { 0x10839, 0x1083B} /* Cn */,
780: { 0x1083D, 0x1083E} /* Cn */, { 0x10840, 0x108FF} /* Cn */,
781: { 0x1091A, 0x1091E} /* Cn */, { 0x10920, 0x109FF} /* Cn */,
782: { 0x10A04, 0x10A04} /* Cn */, { 0x10A07, 0x10A0B} /* Cn */,
783: { 0x10A14, 0x10A14} /* Cn */, { 0x10A18, 0x10A18} /* Cn */,
784: { 0x10A34, 0x10A37} /* Cn */, { 0x10A3B, 0x10A3E} /* Cn */,
785: { 0x10A48, 0x10A4F} /* Cn */, { 0x10A59, 0x11FFF} /* Cn */,
786: { 0x1236F, 0x123FF} /* Cn */, { 0x12463, 0x1246F} /* Cn */,
787: { 0x12474, 0x1CFFF} /* Cn */, { 0x1D0F6, 0x1D0FF} /* Cn */,
788: { 0x1D127, 0x1D129} /* Cn */,
789: { 0x1D173, 0x1D17A} /* Cf */,
790: { 0x1D1DE, 0x1D1FF} /* Cn */, { 0x1D246, 0x1D2FF} /* Cn */,
791: { 0x1D357, 0x1D35F} /* Cn */, { 0x1D372, 0x1D3FF} /* Cn */,
792: { 0x1D455, 0x1D455} /* Cn */, { 0x1D49D, 0x1D49D} /* Cn */,
793: { 0x1D4A0, 0x1D4A1} /* Cn */, { 0x1D4A3, 0x1D4A4} /* Cn */,
794: { 0x1D4A7, 0x1D4A8} /* Cn */, { 0x1D4AD, 0x1D4AD} /* Cn */,
795: { 0x1D4BA, 0x1D4BA} /* Cn */, { 0x1D4BC, 0x1D4BC} /* Cn */,
796: { 0x1D4C4, 0x1D4C4} /* Cn */, { 0x1D506, 0x1D506} /* Cn */,
797: { 0x1D50B, 0x1D50C} /* Cn */, { 0x1D515, 0x1D515} /* Cn */,
798: { 0x1D51D, 0x1D51D} /* Cn */, { 0x1D53A, 0x1D53A} /* Cn */,
799: { 0x1D53F, 0x1D53F} /* Cn */, { 0x1D545, 0x1D545} /* Cn */,
800: { 0x1D547, 0x1D549} /* Cn */, { 0x1D551, 0x1D551} /* Cn */,
801: { 0x1D6A6, 0x1D6A7} /* Cn */, { 0x1D7CC, 0x1D7CD} /* Cn */,
802: { 0x1D800, 0x1FFFF} /* Cn */, { 0x2A6D7, 0x2F7FF} /* Cn */,
803: { 0x2FA1E, 0xE0000} /* Cn */,
804: { 0xE0001, 0xE0001} /* Cf */,
805: { 0xE0002, 0xE001F} /* Cn */,
806: { 0xE0020, 0xE007F} /* Cf */,
807: { 0xE0080, 0xE00FF} /* Cn */, { 0xE01F0, 0xEFFFF} /* Cn */,
808: { 0xF0000, 0xFFFFD} /* Co */,
809: { 0xFFFFE, 0xFFFFF} /* Cn */,
1.11 nicm 810: { 0x100000, 0x10FFFD} /* Co */,
811: { 0x10FFFE, 0x10FFFF} /* Cn */,
812: { 0x110000, 0x7FFFFFFF} /* ISO 10646?? */
1.8 shadchin 813: };
814:
815: /*
816: * Double width characters
817: * W: East Asian Wide
818: * F: East Asian Full-width
819: * Unassigned code points may be included when they allow ranges to be merged.
820: * Last synched with
821: * <http://www.unicode.org/Public/5.0.0/ucd/EastAsianWidth-5.0.0d2.txt>
822: * dated 2005-11-08T01:32:56Z
823: */
824: static struct wchar_range wide_table[] = {
825: { 0x1100, 0x115F} /* W */, { 0x2329, 0x232A} /* W */,
826: { 0x2E80, 0x2FFB} /* W */,
827: { 0x3000, 0x3000} /* F */,
828: { 0x3001, 0x303E} /* W */, { 0x3041, 0x4DB5} /* W */,
829: { 0x4E00, 0x9FBB} /* W */, { 0xA000, 0xA4C6} /* W */,
830: { 0xAC00, 0xD7A3} /* W */, { 0xF900, 0xFAD9} /* W */,
831: { 0xFE10, 0xFE19} /* W */, { 0xFE30, 0xFE6B} /* W */,
832: { 0xFF01, 0xFF60} /* F */, { 0xFFE0, 0xFFE6} /* F */,
833: { 0x20000, 0x2FFFD} /* W */, { 0x30000, 0x3FFFD} /* W */,
834: };
835:
1.11 nicm 836: static int
837: is_in_table(LWCHAR ch, struct wchar_range table[], int tsize)
1.8 shadchin 838: {
839: int hi;
840: int lo;
841:
842: /* Binary search in the table. */
843: if (ch < table[0].first)
1.11 nicm 844: return (0);
1.8 shadchin 845: lo = 0;
846: hi = tsize - 1;
1.11 nicm 847: while (lo <= hi) {
1.8 shadchin 848: int mid = (lo + hi) / 2;
849: if (ch > table[mid].last)
850: lo = mid + 1;
851: else if (ch < table[mid].first)
852: hi = mid - 1;
853: else
1.11 nicm 854: return (1);
1.8 shadchin 855: }
1.11 nicm 856: return (0);
1.8 shadchin 857: }
858:
859: /*
860: * Is a character a UTF-8 composing character?
861: * If a composing character follows any char, the two combine into one glyph.
862: */
1.11 nicm 863: int
864: is_composing_char(LWCHAR ch)
1.8 shadchin 865: {
1.11 nicm 866: return (is_in_table(ch, comp_table,
867: (sizeof (comp_table) / sizeof (*comp_table))));
1.8 shadchin 868: }
869:
870: /*
871: * Should this UTF-8 character be treated as binary?
872: */
1.11 nicm 873: int
874: is_ubin_char(LWCHAR ch)
1.8 shadchin 875: {
1.11 nicm 876: return (is_in_table(ch, ubin_table,
877: (sizeof (ubin_table) / sizeof (*ubin_table))));
1.8 shadchin 878: }
879:
880: /*
881: * Is this a double width UTF-8 character?
882: */
1.11 nicm 883: int
884: is_wide_char(LWCHAR ch)
1.8 shadchin 885: {
1.11 nicm 886: return (is_in_table(ch, wide_table,
887: (sizeof (wide_table) / sizeof (*wide_table))));
1.8 shadchin 888: }
889:
890: /*
891: * Is a character a UTF-8 combining character?
892: * A combining char acts like an ordinary char, but if it follows
893: * a specific char (not any char), the two combine into one glyph.
894: */
1.11 nicm 895: int
896: is_combining_char(LWCHAR ch1, LWCHAR ch2)
1.8 shadchin 897: {
898: /* The table is small; use linear search. */
899: int i;
1.11 nicm 900: for (i = 0; i < sizeof (comb_table) / sizeof (*comb_table); i++) {
1.8 shadchin 901: if (ch1 == comb_table[i].first &&
902: ch2 == comb_table[i].last)
1.11 nicm 903: return (1);
1.8 shadchin 904: }
1.11 nicm 905: return (0);
1.8 shadchin 906: }