Annotation of src/usr.bin/less/charset.c, Revision 1.18
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 <ctype.h>
1.8 shadchin 18: #include <langinfo.h>
1.18 ! mmcc 19: #include <locale.h>
1.1 etheisen 20:
1.8 shadchin 21: #include "charset.h"
1.18 ! mmcc 22: #include "less.h"
1.8 shadchin 23:
1.11 nicm 24: int utf_mode = 0;
1.5 millert 25:
1.11 nicm 26: static const char *binfmt = NULL;
27: static const char *utfbinfmt = NULL;
28: int binattr = AT_STANDOUT;
1.1 etheisen 29:
1.11 nicm 30: static int
31: checkfmt(const char *s)
32: {
33: char c;
34: int seen = 0;
35:
36: /* %[<flags>][<width>][.<prec>][<type>]<fmt> */
37:
38: if (*s == '*') { /* skip leading attribute if there */
39: s++;
40: if (strchr("dksu", *s) == NULL) {
41: return (-1);
42: }
43: s++;
44: }
45:
46: while ((c = *s++) != 0) {
47: if (!isascii(c) || !isprint(c)) {
48: return (-1);
49: }
50: if (c != '%') {
51: continue;
52: }
53: if (*s == '%') { /* % escaped with second % */
54: s++;
55: continue;
56: }
57: if (seen) {
58: return (-1); /* 2nd % format item! */
59: }
60: while (strchr(" '+-0#", *s) != NULL) { /* skip flags */
61: s++;
62: }
63: while (isdigit(*s)) { /* skip width */
64: s++;
65: }
66: if (*s == '.') { /* skip precision */
67: s++;
68: while (isdigit(*s)) {
69: s++;
70: }
71: }
72: /* type width specifications, only "l", "h", and "hh" valid */
73: if (*s == 'l') {
74: s++;
75: } else if (*s == 'h') {
76: s++;
77: if (*s == 'h')
78: s++;
79: }
80:
81: if (strchr("cCdiouxX", *s) == NULL) {
82: /* bad or evil format character (%s, %n, etc.) */
83: return (-1);
84: }
85:
86: seen = 1;
87: }
88:
89: return (0);
90: }
1.1 etheisen 91:
92: /*
1.8 shadchin 93: * Define the printing format for control (or binary utf) chars.
1.1 etheisen 94: */
1.11 nicm 95: static void
96: setbinfmt(char *e, const char **fmtvarptr, const char *default_fmt)
1.1 etheisen 97: {
1.11 nicm 98: const char *s;
99:
100: if (((s = lgetenv(e)) == NULL) || (*s == 0)) {
101: s = default_fmt;
102: goto attr;
103: }
104:
105: if (s != NULL && *s != 0) {
106: if (checkfmt(s) < 0) {
107: s = default_fmt;
108: goto attr;
1.8 shadchin 109: }
110: }
111:
1.1 etheisen 112: /*
113: * Select the attributes if it starts with "*".
114: */
1.11 nicm 115: attr:
116: if (*s == '*') {
117: switch (s[1]) {
118: case 'd': binattr = AT_BOLD; break;
119: case 'k': binattr = AT_BLINK; break;
120: case 's': binattr = AT_STANDOUT; break;
1.1 etheisen 121: case 'u': binattr = AT_UNDERLINE; break;
1.11 nicm 122: default: binattr = AT_NORMAL; break;
1.1 etheisen 123: }
124: s += 2;
125: }
1.8 shadchin 126: *fmtvarptr = s;
1.1 etheisen 127: }
128:
129: /*
1.17 nicm 130: * Initialize charset data structures.
1.1 etheisen 131: */
1.17 nicm 132: void
133: init_charset(void)
1.1 etheisen 134: {
1.8 shadchin 135: char *s;
136:
1.17 nicm 137: setlocale(LC_ALL, "");
138:
1.8 shadchin 139: s = nl_langinfo(CODESET);
1.16 tedu 140: if (s && strcasecmp(s, "utf-8") == 0)
141: utf_mode = 1;
1.8 shadchin 142:
1.11 nicm 143: setbinfmt("LESSBINFMT", &binfmt, "*s<%02X>");
144: setbinfmt("LESSUTFBINFMT", &utfbinfmt, "<U+%04lX>");
1.8 shadchin 145: }
146:
147: /*
1.1 etheisen 148: * Is a given character a "binary" character?
149: */
1.11 nicm 150: int
151: binary_char(LWCHAR c)
1.1 etheisen 152: {
1.8 shadchin 153: if (utf_mode)
154: return (is_ubin_char(c));
1.1 etheisen 155: c &= 0377;
1.17 nicm 156: return (!isprint((unsigned char)c) && !iscntrl((unsigned char)c));
1.1 etheisen 157: }
158:
159: /*
160: * Is a given character a "control" character?
161: */
1.11 nicm 162: int
163: control_char(LWCHAR c)
1.1 etheisen 164: {
165: c &= 0377;
1.17 nicm 166: return (iscntrl((unsigned char)c));
1.1 etheisen 167: }
168:
169: /*
170: * Return the printable form of a character.
171: * For example, in the "ascii" charset '\3' is printed as "^C".
172: */
1.11 nicm 173: char *
174: prchar(LWCHAR c)
1.1 etheisen 175: {
1.8 shadchin 176: /* {{ This buffer can be overrun if LESSBINFMT is a long string. }} */
177: static char buf[32];
1.1 etheisen 178:
179: c &= 0377;
1.8 shadchin 180: if ((c < 128 || !utf_mode) && !control_char(c))
1.11 nicm 181: (void) snprintf(buf, sizeof (buf), "%c", (int)c);
1.1 etheisen 182: else if (c == ESC)
1.11 nicm 183: (void) strlcpy(buf, "ESC", sizeof (buf));
184: else if (c < 128 && !control_char(c ^ 0100))
185: (void) snprintf(buf, sizeof (buf), "^%c", (int)(c ^ 0100));
1.1 etheisen 186: else
1.11 nicm 187: (void) snprintf(buf, sizeof (buf), binfmt, c);
1.8 shadchin 188: return (buf);
189: }
190:
191: /*
192: * Return the printable form of a UTF-8 character.
193: */
1.11 nicm 194: char *
195: prutfchar(LWCHAR ch)
1.8 shadchin 196: {
197: static char buf[32];
198:
1.11 nicm 199: if (ch == ESC) {
200: (void) strlcpy(buf, "ESC", sizeof (buf));
201: } else if (ch < 128 && control_char(ch)) {
1.8 shadchin 202: if (!control_char(ch ^ 0100))
1.11 nicm 203: (void) snprintf(buf, sizeof (buf), "^%c",
204: ((char)ch) ^ 0100);
1.8 shadchin 205: else
1.11 nicm 206: (void) snprintf(buf, sizeof (buf), binfmt, (char)ch);
207: } else if (is_ubin_char(ch)) {
208: (void) snprintf(buf, sizeof (buf), utfbinfmt, ch);
209: } else {
1.8 shadchin 210: int len;
1.11 nicm 211: if (ch >= 0x80000000) {
1.8 shadchin 212: len = 3;
213: ch = 0xFFFD;
1.11 nicm 214: } else {
215: len = (ch < 0x80) ? 1
216: : (ch < 0x800) ? 2
217: : (ch < 0x10000) ? 3
218: : (ch < 0x200000) ? 4
219: : (ch < 0x4000000) ? 5
220: : 6;
1.8 shadchin 221: }
222: buf[len] = '\0';
1.11 nicm 223: if (len == 1) {
224: *buf = (char)ch;
225: } else {
1.8 shadchin 226: *buf = ((1 << len) - 1) << (8 - len);
1.11 nicm 227: while (--len > 0) {
228: buf[len] = (char)(0x80 | (ch & 0x3F));
1.8 shadchin 229: ch >>= 6;
230: }
231: *buf |= ch;
232: }
233: }
1.1 etheisen 234: return (buf);
235: }
1.6 millert 236:
1.8 shadchin 237: /*
238: * Get the length of a UTF-8 character in bytes.
239: */
1.11 nicm 240: int
241: utf_len(char ch)
1.8 shadchin 242: {
243: if ((ch & 0x80) == 0)
1.11 nicm 244: return (1);
1.8 shadchin 245: if ((ch & 0xE0) == 0xC0)
1.11 nicm 246: return (2);
1.8 shadchin 247: if ((ch & 0xF0) == 0xE0)
1.11 nicm 248: return (3);
1.8 shadchin 249: if ((ch & 0xF8) == 0xF0)
1.11 nicm 250: return (4);
1.8 shadchin 251: if ((ch & 0xFC) == 0xF8)
1.11 nicm 252: return (5);
1.8 shadchin 253: if ((ch & 0xFE) == 0xFC)
1.11 nicm 254: return (6);
1.8 shadchin 255: /* Invalid UTF-8 encoding. */
1.11 nicm 256: return (1);
1.8 shadchin 257: }
258:
259: /*
260: * Is a UTF-8 character well-formed?
261: */
1.11 nicm 262: int
263: is_utf8_well_formed(const char *s)
1.8 shadchin 264: {
265: int i;
266: int len;
267:
268: if (IS_UTF8_INVALID(s[0]))
269: return (0);
270:
1.11 nicm 271: len = utf_len((char)s[0]);
1.8 shadchin 272: if (len == 1)
273: return (1);
1.11 nicm 274: if (len == 2) {
275: if ((unsigned char)(s[0]) < 0xC2)
276: return (0);
277: } else {
1.8 shadchin 278: unsigned char mask;
279: mask = (~((1 << (8-len)) - 1)) & 0xFF;
280: if (s[0] == mask && (s[1] & mask) == 0x80)
281: return (0);
282: }
283:
284: for (i = 1; i < len; i++)
285: if (!IS_UTF8_TRAIL(s[i]))
286: return (0);
287: return (1);
288: }
289:
290: /*
291: * Get the value of a UTF-8 character.
292: */
1.11 nicm 293: LWCHAR
294: get_wchar(const char *p)
1.8 shadchin 295: {
1.11 nicm 296: switch (utf_len(p[0])) {
1.8 shadchin 297: case 1:
298: default:
299: /* 0xxxxxxx */
300: return (LWCHAR)
1.11 nicm 301: (p[0] & 0xFF);
1.8 shadchin 302: case 2:
303: /* 110xxxxx 10xxxxxx */
304: return (LWCHAR) (
1.11 nicm 305: ((p[0] & 0x1F) << 6) |
306: (p[1] & 0x3F));
1.8 shadchin 307: case 3:
308: /* 1110xxxx 10xxxxxx 10xxxxxx */
309: return (LWCHAR) (
1.11 nicm 310: ((p[0] & 0x0F) << 12) |
311: ((p[1] & 0x3F) << 6) |
312: (p[2] & 0x3F));
1.8 shadchin 313: case 4:
314: /* 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */
315: return (LWCHAR) (
1.11 nicm 316: ((p[0] & 0x07) << 18) |
317: ((p[1] & 0x3F) << 12) |
318: ((p[2] & 0x3F) << 6) |
319: (p[3] & 0x3F));
1.8 shadchin 320: case 5:
321: /* 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */
322: return (LWCHAR) (
1.11 nicm 323: ((p[0] & 0x03) << 24) |
324: ((p[1] & 0x3F) << 18) |
325: ((p[2] & 0x3F) << 12) |
326: ((p[3] & 0x3F) << 6) |
327: (p[4] & 0x3F));
1.8 shadchin 328: case 6:
329: /* 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */
330: return (LWCHAR) (
1.11 nicm 331: ((p[0] & 0x01) << 30) |
332: ((p[1] & 0x3F) << 24) |
333: ((p[2] & 0x3F) << 18) |
334: ((p[3] & 0x3F) << 12) |
335: ((p[4] & 0x3F) << 6) |
336: (p[5] & 0x3F));
1.8 shadchin 337: }
338: }
339:
340: /*
341: * Store a character into a UTF-8 string.
342: */
1.11 nicm 343: void
344: put_wchar(char **pp, LWCHAR ch)
1.8 shadchin 345: {
1.11 nicm 346: if (!utf_mode || ch < 0x80) {
1.8 shadchin 347: /* 0xxxxxxx */
1.11 nicm 348: *(*pp)++ = (char)ch;
349: } else if (ch < 0x800) {
1.8 shadchin 350: /* 110xxxxx 10xxxxxx */
1.11 nicm 351: *(*pp)++ = (char)(0xC0 | ((ch >> 6) & 0x1F));
352: *(*pp)++ = (char)(0x80 | (ch & 0x3F));
353: } else if (ch < 0x10000) {
1.8 shadchin 354: /* 1110xxxx 10xxxxxx 10xxxxxx */
1.11 nicm 355: *(*pp)++ = (char)(0xE0 | ((ch >> 12) & 0x0F));
356: *(*pp)++ = (char)(0x80 | ((ch >> 6) & 0x3F));
357: *(*pp)++ = (char)(0x80 | (ch & 0x3F));
358: } else if (ch < 0x200000) {
1.8 shadchin 359: /* 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */
1.11 nicm 360: *(*pp)++ = (char)(0xF0 | ((ch >> 18) & 0x07));
361: *(*pp)++ = (char)(0x80 | ((ch >> 12) & 0x3F));
362: *(*pp)++ = (char)(0x80 | ((ch >> 6) & 0x3F));
363: *(*pp)++ = (char)(0x80 | (ch & 0x3F));
364: } else if (ch < 0x4000000) {
1.8 shadchin 365: /* 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */
1.11 nicm 366: *(*pp)++ = (char)(0xF0 | ((ch >> 24) & 0x03));
367: *(*pp)++ = (char)(0x80 | ((ch >> 18) & 0x3F));
368: *(*pp)++ = (char)(0x80 | ((ch >> 12) & 0x3F));
369: *(*pp)++ = (char)(0x80 | ((ch >> 6) & 0x3F));
370: *(*pp)++ = (char)(0x80 | (ch & 0x3F));
371: } else {
1.8 shadchin 372: /* 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */
1.11 nicm 373: *(*pp)++ = (char)(0xF0 | ((ch >> 30) & 0x01));
374: *(*pp)++ = (char)(0x80 | ((ch >> 24) & 0x3F));
375: *(*pp)++ = (char)(0x80 | ((ch >> 18) & 0x3F));
376: *(*pp)++ = (char)(0x80 | ((ch >> 12) & 0x3F));
377: *(*pp)++ = (char)(0x80 | ((ch >> 6) & 0x3F));
378: *(*pp)++ = (char)(0x80 | (ch & 0x3F));
1.8 shadchin 379: }
380: }
381:
382: /*
383: * Step forward or backward one character in a string.
384: */
1.11 nicm 385: LWCHAR
386: step_char(char **pp, int dir, char *limit)
1.8 shadchin 387: {
388: LWCHAR ch;
389: int len;
390: char *p = *pp;
391:
1.11 nicm 392: if (!utf_mode) {
1.8 shadchin 393: /* It's easy if chars are one byte. */
394: if (dir > 0)
395: ch = (LWCHAR) ((p < limit) ? *p++ : 0);
396: else
397: ch = (LWCHAR) ((p > limit) ? *--p : 0);
1.11 nicm 398: } else if (dir > 0) {
1.8 shadchin 399: len = utf_len(*p);
1.11 nicm 400: if (p + len > limit) {
1.8 shadchin 401: ch = 0;
402: p = limit;
1.11 nicm 403: } else {
1.8 shadchin 404: ch = get_wchar(p);
405: p += len;
406: }
1.11 nicm 407: } else {
1.8 shadchin 408: while (p > limit && IS_UTF8_TRAIL(p[-1]))
409: p--;
410: if (p > limit)
411: ch = get_wchar(--p);
412: else
413: ch = 0;
414: }
415: *pp = p;
1.11 nicm 416: return (ch);
1.8 shadchin 417: }
418:
419: /*
420: * Unicode characters data
421: */
422: struct wchar_range { LWCHAR first, last; };
423:
424: /*
425: * Characters with general category values
426: * Mn: Mark, Nonspacing
427: * Me: Mark, Enclosing
428: * Last synched with
429: * <http://www.unicode.org/Public/5.0.0/ucd/UnicodeData-5.0.0d7.txt>
430: * dated 2005-11-30T00:58:48Z
431: */
432: static struct wchar_range comp_table[] = {
433: { 0x0300, 0x036F} /* Mn */, { 0x0483, 0x0486} /* Mn */,
434: { 0x0488, 0x0489} /* Me */,
435: { 0x0591, 0x05BD} /* Mn */, { 0x05BF, 0x05BF} /* Mn */,
436: { 0x05C1, 0x05C2} /* Mn */, { 0x05C4, 0x05C5} /* Mn */,
437: { 0x05C7, 0x05C7} /* Mn */, { 0x0610, 0x0615} /* Mn */,
438: { 0x064B, 0x065E} /* Mn */, { 0x0670, 0x0670} /* Mn */,
439: { 0x06D6, 0x06DC} /* Mn */,
440: { 0x06DE, 0x06DE} /* Me */,
441: { 0x06DF, 0x06E4} /* Mn */, { 0x06E7, 0x06E8} /* Mn */,
442: { 0x06EA, 0x06ED} /* Mn */, { 0x0711, 0x0711} /* Mn */,
443: { 0x0730, 0x074A} /* Mn */, { 0x07A6, 0x07B0} /* Mn */,
444: { 0x07EB, 0x07F3} /* Mn */, { 0x0901, 0x0902} /* Mn */,
445: { 0x093C, 0x093C} /* Mn */, { 0x0941, 0x0948} /* Mn */,
446: { 0x094D, 0x094D} /* Mn */, { 0x0951, 0x0954} /* Mn */,
447: { 0x0962, 0x0963} /* Mn */, { 0x0981, 0x0981} /* Mn */,
448: { 0x09BC, 0x09BC} /* Mn */, { 0x09C1, 0x09C4} /* Mn */,
449: { 0x09CD, 0x09CD} /* Mn */, { 0x09E2, 0x09E3} /* Mn */,
450: { 0x0A01, 0x0A02} /* Mn */, { 0x0A3C, 0x0A3C} /* Mn */,
451: { 0x0A41, 0x0A42} /* Mn */, { 0x0A47, 0x0A48} /* Mn */,
452: { 0x0A4B, 0x0A4D} /* Mn */, { 0x0A70, 0x0A71} /* Mn */,
453: { 0x0A81, 0x0A82} /* Mn */, { 0x0ABC, 0x0ABC} /* Mn */,
454: { 0x0AC1, 0x0AC5} /* Mn */, { 0x0AC7, 0x0AC8} /* Mn */,
455: { 0x0ACD, 0x0ACD} /* Mn */, { 0x0AE2, 0x0AE3} /* Mn */,
456: { 0x0B01, 0x0B01} /* Mn */, { 0x0B3C, 0x0B3C} /* Mn */,
457: { 0x0B3F, 0x0B3F} /* Mn */, { 0x0B41, 0x0B43} /* Mn */,
458: { 0x0B4D, 0x0B4D} /* Mn */, { 0x0B56, 0x0B56} /* Mn */,
459: { 0x0B82, 0x0B82} /* Mn */, { 0x0BC0, 0x0BC0} /* Mn */,
460: { 0x0BCD, 0x0BCD} /* Mn */, { 0x0C3E, 0x0C40} /* Mn */,
461: { 0x0C46, 0x0C48} /* Mn */, { 0x0C4A, 0x0C4D} /* Mn */,
462: { 0x0C55, 0x0C56} /* Mn */, { 0x0CBC, 0x0CBC} /* Mn */,
463: { 0x0CBF, 0x0CBF} /* Mn */, { 0x0CC6, 0x0CC6} /* Mn */,
464: { 0x0CCC, 0x0CCD} /* Mn */, { 0x0CE2, 0x0CE3} /* Mn */,
465: { 0x0D41, 0x0D43} /* Mn */, { 0x0D4D, 0x0D4D} /* Mn */,
466: { 0x0DCA, 0x0DCA} /* Mn */, { 0x0DD2, 0x0DD4} /* Mn */,
467: { 0x0DD6, 0x0DD6} /* Mn */, { 0x0E31, 0x0E31} /* Mn */,
468: { 0x0E34, 0x0E3A} /* Mn */, { 0x0E47, 0x0E4E} /* Mn */,
469: { 0x0EB1, 0x0EB1} /* Mn */, { 0x0EB4, 0x0EB9} /* Mn */,
470: { 0x0EBB, 0x0EBC} /* Mn */, { 0x0EC8, 0x0ECD} /* Mn */,
471: { 0x0F18, 0x0F19} /* Mn */, { 0x0F35, 0x0F35} /* Mn */,
472: { 0x0F37, 0x0F37} /* Mn */, { 0x0F39, 0x0F39} /* Mn */,
473: { 0x0F71, 0x0F7E} /* Mn */, { 0x0F80, 0x0F84} /* Mn */,
474: { 0x0F86, 0x0F87} /* Mn */, { 0x0F90, 0x0F97} /* Mn */,
475: { 0x0F99, 0x0FBC} /* Mn */, { 0x0FC6, 0x0FC6} /* Mn */,
476: { 0x102D, 0x1030} /* Mn */, { 0x1032, 0x1032} /* Mn */,
477: { 0x1036, 0x1037} /* Mn */, { 0x1039, 0x1039} /* Mn */,
478: { 0x1058, 0x1059} /* Mn */, { 0x135F, 0x135F} /* Mn */,
479: { 0x1712, 0x1714} /* Mn */, { 0x1732, 0x1734} /* Mn */,
480: { 0x1752, 0x1753} /* Mn */, { 0x1772, 0x1773} /* Mn */,
481: { 0x17B7, 0x17BD} /* Mn */, { 0x17C6, 0x17C6} /* Mn */,
482: { 0x17C9, 0x17D3} /* Mn */, { 0x17DD, 0x17DD} /* Mn */,
483: { 0x180B, 0x180D} /* Mn */, { 0x18A9, 0x18A9} /* Mn */,
484: { 0x1920, 0x1922} /* Mn */, { 0x1927, 0x1928} /* Mn */,
485: { 0x1932, 0x1932} /* Mn */, { 0x1939, 0x193B} /* Mn */,
486: { 0x1A17, 0x1A18} /* Mn */, { 0x1B00, 0x1B03} /* Mn */,
487: { 0x1B34, 0x1B34} /* Mn */, { 0x1B36, 0x1B3A} /* Mn */,
488: { 0x1B3C, 0x1B3C} /* Mn */, { 0x1B42, 0x1B42} /* Mn */,
489: { 0x1B6B, 0x1B73} /* Mn */, { 0x1DC0, 0x1DCA} /* Mn */,
490: { 0x1DFE, 0x1DFF} /* Mn */, { 0x20D0, 0x20DC} /* Mn */,
491: { 0x20DD, 0x20E0} /* Me */,
492: { 0x20E1, 0x20E1} /* Mn */,
493: { 0x20E2, 0x20E4} /* Me */,
494: { 0x20E5, 0x20EF} /* Mn */, { 0x302A, 0x302F} /* Mn */,
495: { 0x3099, 0x309A} /* Mn */, { 0xA806, 0xA806} /* Mn */,
496: { 0xA80B, 0xA80B} /* Mn */, { 0xA825, 0xA826} /* Mn */,
497: { 0xFB1E, 0xFB1E} /* Mn */, { 0xFE00, 0xFE0F} /* Mn */,
498: { 0xFE20, 0xFE23} /* Mn */, { 0x10A01, 0x10A03} /* Mn */,
499: { 0x10A05, 0x10A06} /* Mn */, { 0x10A0C, 0x10A0F} /* Mn */,
500: { 0x10A38, 0x10A3A} /* Mn */, { 0x10A3F, 0x10A3F} /* Mn */,
501: { 0x1D167, 0x1D169} /* Mn */, { 0x1D17B, 0x1D182} /* Mn */,
502: { 0x1D185, 0x1D18B} /* Mn */, { 0x1D1AA, 0x1D1AD} /* Mn */,
503: { 0x1D242, 0x1D244} /* Mn */, { 0xE0100, 0xE01EF} /* Mn */,
504: };
505:
506: /*
507: * Special pairs, not ranges.
508: */
509: static struct wchar_range comb_table[] = {
1.11 nicm 510: {0x0644, 0x0622}, {0x0644, 0x0623}, {0x0644, 0x0625}, {0x0644, 0x0627},
1.8 shadchin 511: };
512:
513: /*
514: * Characters with general category values
515: * Cc: Other, Control
516: * Cf: Other, Format
517: * Cs: Other, Surrogate
518: * Co: Other, Private Use
519: * Cn: Other, Not Assigned
520: * Zl: Separator, Line
521: * Zp: Separator, Paragraph
522: * Last synched with
523: * <http://www.unicode.org/Public/5.0.0/ucd/UnicodeData-5.0.0d7.txt>
524: * dated 2005-11-30T00:58:48Z
525: */
526: static struct wchar_range ubin_table[] = {
1.11 nicm 527: { 0x0000, 0x0007} /* Cc */,
528: { 0x000B, 0x000C} /* Cc */,
529: { 0x000E, 0x001A} /* Cc */,
530: { 0x001C, 0x001F} /* Cc */,
1.8 shadchin 531: { 0x007F, 0x009F} /* Cc */,
532: #if 0
533: { 0x00AD, 0x00AD} /* Cf */,
534: #endif
535: { 0x0370, 0x0373} /* Cn */, { 0x0376, 0x0379} /* Cn */,
536: { 0x037F, 0x0383} /* Cn */, { 0x038B, 0x038B} /* Cn */,
537: { 0x038D, 0x038D} /* Cn */, { 0x03A2, 0x03A2} /* Cn */,
538: { 0x03CF, 0x03CF} /* Cn */, { 0x0487, 0x0487} /* Cn */,
539: { 0x0514, 0x0530} /* Cn */, { 0x0557, 0x0558} /* Cn */,
540: { 0x0560, 0x0560} /* Cn */, { 0x0588, 0x0588} /* Cn */,
541: { 0x058B, 0x0590} /* Cn */, { 0x05C8, 0x05CF} /* Cn */,
542: { 0x05EB, 0x05EF} /* Cn */, { 0x05F5, 0x05FF} /* Cn */,
543: #if 0
544: { 0x0600, 0x0603} /* Cf */,
545: #endif
546: { 0x0604, 0x060A} /* Cn */, { 0x0616, 0x061A} /* Cn */,
547: { 0x061C, 0x061D} /* Cn */, { 0x0620, 0x0620} /* Cn */,
548: { 0x063B, 0x063F} /* Cn */, { 0x065F, 0x065F} /* Cn */,
549: #if 0
550: { 0x06DD, 0x06DD} /* Cf */,
551: #endif
552: { 0x070E, 0x070E} /* Cn */,
553: #if 0
554: { 0x070F, 0x070F} /* Cf */,
555: #endif
556: { 0x074B, 0x074C} /* Cn */, { 0x076E, 0x077F} /* Cn */,
557: { 0x07B2, 0x07BF} /* Cn */, { 0x07FB, 0x0900} /* Cn */,
558: { 0x093A, 0x093B} /* Cn */, { 0x094E, 0x094F} /* Cn */,
559: { 0x0955, 0x0957} /* Cn */, { 0x0971, 0x097A} /* Cn */,
560: { 0x0980, 0x0980} /* Cn */, { 0x0984, 0x0984} /* Cn */,
561: { 0x098D, 0x098E} /* Cn */, { 0x0991, 0x0992} /* Cn */,
562: { 0x09A9, 0x09A9} /* Cn */, { 0x09B1, 0x09B1} /* Cn */,
563: { 0x09B3, 0x09B5} /* Cn */, { 0x09BA, 0x09BB} /* Cn */,
564: { 0x09C5, 0x09C6} /* Cn */, { 0x09C9, 0x09CA} /* Cn */,
565: { 0x09CF, 0x09D6} /* Cn */, { 0x09D8, 0x09DB} /* Cn */,
566: { 0x09DE, 0x09DE} /* Cn */, { 0x09E4, 0x09E5} /* Cn */,
567: { 0x09FB, 0x0A00} /* Cn */, { 0x0A04, 0x0A04} /* Cn */,
568: { 0x0A0B, 0x0A0E} /* Cn */, { 0x0A11, 0x0A12} /* Cn */,
569: { 0x0A29, 0x0A29} /* Cn */, { 0x0A31, 0x0A31} /* Cn */,
570: { 0x0A34, 0x0A34} /* Cn */, { 0x0A37, 0x0A37} /* Cn */,
571: { 0x0A3A, 0x0A3B} /* Cn */, { 0x0A3D, 0x0A3D} /* Cn */,
572: { 0x0A43, 0x0A46} /* Cn */, { 0x0A49, 0x0A4A} /* Cn */,
573: { 0x0A4E, 0x0A58} /* Cn */, { 0x0A5D, 0x0A5D} /* Cn */,
574: { 0x0A5F, 0x0A65} /* Cn */, { 0x0A75, 0x0A80} /* Cn */,
575: { 0x0A84, 0x0A84} /* Cn */, { 0x0A8E, 0x0A8E} /* Cn */,
576: { 0x0A92, 0x0A92} /* Cn */, { 0x0AA9, 0x0AA9} /* Cn */,
577: { 0x0AB1, 0x0AB1} /* Cn */, { 0x0AB4, 0x0AB4} /* Cn */,
578: { 0x0ABA, 0x0ABB} /* Cn */, { 0x0AC6, 0x0AC6} /* Cn */,
579: { 0x0ACA, 0x0ACA} /* Cn */, { 0x0ACE, 0x0ACF} /* Cn */,
580: { 0x0AD1, 0x0ADF} /* Cn */, { 0x0AE4, 0x0AE5} /* Cn */,
581: { 0x0AF0, 0x0AF0} /* Cn */, { 0x0AF2, 0x0B00} /* Cn */,
582: { 0x0B04, 0x0B04} /* Cn */, { 0x0B0D, 0x0B0E} /* Cn */,
583: { 0x0B11, 0x0B12} /* Cn */, { 0x0B29, 0x0B29} /* Cn */,
584: { 0x0B31, 0x0B31} /* Cn */, { 0x0B34, 0x0B34} /* Cn */,
585: { 0x0B3A, 0x0B3B} /* Cn */, { 0x0B44, 0x0B46} /* Cn */,
586: { 0x0B49, 0x0B4A} /* Cn */, { 0x0B4E, 0x0B55} /* Cn */,
587: { 0x0B58, 0x0B5B} /* Cn */, { 0x0B5E, 0x0B5E} /* Cn */,
588: { 0x0B62, 0x0B65} /* Cn */, { 0x0B72, 0x0B81} /* Cn */,
589: { 0x0B84, 0x0B84} /* Cn */, { 0x0B8B, 0x0B8D} /* Cn */,
590: { 0x0B91, 0x0B91} /* Cn */, { 0x0B96, 0x0B98} /* Cn */,
591: { 0x0B9B, 0x0B9B} /* Cn */, { 0x0B9D, 0x0B9D} /* Cn */,
592: { 0x0BA0, 0x0BA2} /* Cn */, { 0x0BA5, 0x0BA7} /* Cn */,
593: { 0x0BAB, 0x0BAD} /* Cn */, { 0x0BBA, 0x0BBD} /* Cn */,
594: { 0x0BC3, 0x0BC5} /* Cn */, { 0x0BC9, 0x0BC9} /* Cn */,
595: { 0x0BCE, 0x0BD6} /* Cn */, { 0x0BD8, 0x0BE5} /* Cn */,
596: { 0x0BFB, 0x0C00} /* Cn */, { 0x0C04, 0x0C04} /* Cn */,
597: { 0x0C0D, 0x0C0D} /* Cn */, { 0x0C11, 0x0C11} /* Cn */,
598: { 0x0C29, 0x0C29} /* Cn */, { 0x0C34, 0x0C34} /* Cn */,
599: { 0x0C3A, 0x0C3D} /* Cn */, { 0x0C45, 0x0C45} /* Cn */,
600: { 0x0C49, 0x0C49} /* Cn */, { 0x0C4E, 0x0C54} /* Cn */,
601: { 0x0C57, 0x0C5F} /* Cn */, { 0x0C62, 0x0C65} /* Cn */,
602: { 0x0C70, 0x0C81} /* Cn */, { 0x0C84, 0x0C84} /* Cn */,
603: { 0x0C8D, 0x0C8D} /* Cn */, { 0x0C91, 0x0C91} /* Cn */,
604: { 0x0CA9, 0x0CA9} /* Cn */, { 0x0CB4, 0x0CB4} /* Cn */,
605: { 0x0CBA, 0x0CBB} /* Cn */, { 0x0CC5, 0x0CC5} /* Cn */,
606: { 0x0CC9, 0x0CC9} /* Cn */, { 0x0CCE, 0x0CD4} /* Cn */,
607: { 0x0CD7, 0x0CDD} /* Cn */, { 0x0CDF, 0x0CDF} /* Cn */,
608: { 0x0CE4, 0x0CE5} /* Cn */, { 0x0CF0, 0x0CF0} /* Cn */,
609: { 0x0CF3, 0x0D01} /* Cn */, { 0x0D04, 0x0D04} /* Cn */,
610: { 0x0D0D, 0x0D0D} /* Cn */, { 0x0D11, 0x0D11} /* Cn */,
611: { 0x0D29, 0x0D29} /* Cn */, { 0x0D3A, 0x0D3D} /* Cn */,
612: { 0x0D44, 0x0D45} /* Cn */, { 0x0D49, 0x0D49} /* Cn */,
613: { 0x0D4E, 0x0D56} /* Cn */, { 0x0D58, 0x0D5F} /* Cn */,
614: { 0x0D62, 0x0D65} /* Cn */, { 0x0D70, 0x0D81} /* Cn */,
615: { 0x0D84, 0x0D84} /* Cn */, { 0x0D97, 0x0D99} /* Cn */,
616: { 0x0DB2, 0x0DB2} /* Cn */, { 0x0DBC, 0x0DBC} /* Cn */,
617: { 0x0DBE, 0x0DBF} /* Cn */, { 0x0DC7, 0x0DC9} /* Cn */,
618: { 0x0DCB, 0x0DCE} /* Cn */, { 0x0DD5, 0x0DD5} /* Cn */,
619: { 0x0DD7, 0x0DD7} /* Cn */, { 0x0DE0, 0x0DF1} /* Cn */,
620: { 0x0DF5, 0x0E00} /* Cn */, { 0x0E3B, 0x0E3E} /* Cn */,
621: { 0x0E5C, 0x0E80} /* Cn */, { 0x0E83, 0x0E83} /* Cn */,
622: { 0x0E85, 0x0E86} /* Cn */, { 0x0E89, 0x0E89} /* Cn */,
623: { 0x0E8B, 0x0E8C} /* Cn */, { 0x0E8E, 0x0E93} /* Cn */,
624: { 0x0E98, 0x0E98} /* Cn */, { 0x0EA0, 0x0EA0} /* Cn */,
625: { 0x0EA4, 0x0EA4} /* Cn */, { 0x0EA6, 0x0EA6} /* Cn */,
626: { 0x0EA8, 0x0EA9} /* Cn */, { 0x0EAC, 0x0EAC} /* Cn */,
627: { 0x0EBA, 0x0EBA} /* Cn */, { 0x0EBE, 0x0EBF} /* Cn */,
628: { 0x0EC5, 0x0EC5} /* Cn */, { 0x0EC7, 0x0EC7} /* Cn */,
629: { 0x0ECE, 0x0ECF} /* Cn */, { 0x0EDA, 0x0EDB} /* Cn */,
630: { 0x0EDE, 0x0EFF} /* Cn */, { 0x0F48, 0x0F48} /* Cn */,
631: { 0x0F6B, 0x0F70} /* Cn */, { 0x0F8C, 0x0F8F} /* Cn */,
632: { 0x0F98, 0x0F98} /* Cn */, { 0x0FBD, 0x0FBD} /* Cn */,
633: { 0x0FCD, 0x0FCE} /* Cn */, { 0x0FD2, 0x0FFF} /* Cn */,
634: { 0x1022, 0x1022} /* Cn */, { 0x1028, 0x1028} /* Cn */,
635: { 0x102B, 0x102B} /* Cn */, { 0x1033, 0x1035} /* Cn */,
636: { 0x103A, 0x103F} /* Cn */, { 0x105A, 0x109F} /* Cn */,
637: { 0x10C6, 0x10CF} /* Cn */, { 0x10FD, 0x10FF} /* Cn */,
638: { 0x115A, 0x115E} /* Cn */, { 0x11A3, 0x11A7} /* Cn */,
639: { 0x11FA, 0x11FF} /* Cn */, { 0x1249, 0x1249} /* Cn */,
640: { 0x124E, 0x124F} /* Cn */, { 0x1257, 0x1257} /* Cn */,
641: { 0x1259, 0x1259} /* Cn */, { 0x125E, 0x125F} /* Cn */,
642: { 0x1289, 0x1289} /* Cn */, { 0x128E, 0x128F} /* Cn */,
643: { 0x12B1, 0x12B1} /* Cn */, { 0x12B6, 0x12B7} /* Cn */,
644: { 0x12BF, 0x12BF} /* Cn */, { 0x12C1, 0x12C1} /* Cn */,
645: { 0x12C6, 0x12C7} /* Cn */, { 0x12D7, 0x12D7} /* Cn */,
646: { 0x1311, 0x1311} /* Cn */, { 0x1316, 0x1317} /* Cn */,
647: { 0x135B, 0x135E} /* Cn */, { 0x137D, 0x137F} /* Cn */,
648: { 0x139A, 0x139F} /* Cn */, { 0x13F5, 0x1400} /* Cn */,
649: { 0x1677, 0x167F} /* Cn */, { 0x169D, 0x169F} /* Cn */,
650: { 0x16F1, 0x16FF} /* Cn */, { 0x170D, 0x170D} /* Cn */,
651: { 0x1715, 0x171F} /* Cn */, { 0x1737, 0x173F} /* Cn */,
652: { 0x1754, 0x175F} /* Cn */, { 0x176D, 0x176D} /* Cn */,
653: { 0x1771, 0x1771} /* Cn */, { 0x1774, 0x177F} /* Cn */,
654: #if 0
655: { 0x17B4, 0x17B5} /* Cf */,
656: #endif
657: { 0x17DE, 0x17DF} /* Cn */, { 0x17EA, 0x17EF} /* Cn */,
658: { 0x17FA, 0x17FF} /* Cn */, { 0x180F, 0x180F} /* Cn */,
659: { 0x181A, 0x181F} /* Cn */, { 0x1878, 0x187F} /* Cn */,
660: { 0x18AA, 0x18FF} /* Cn */, { 0x191D, 0x191F} /* Cn */,
661: { 0x192C, 0x192F} /* Cn */, { 0x193C, 0x193F} /* Cn */,
662: { 0x1941, 0x1943} /* Cn */, { 0x196E, 0x196F} /* Cn */,
663: { 0x1975, 0x197F} /* Cn */, { 0x19AA, 0x19AF} /* Cn */,
664: { 0x19CA, 0x19CF} /* Cn */, { 0x19DA, 0x19DD} /* Cn */,
665: { 0x1A1C, 0x1A1D} /* Cn */, { 0x1A20, 0x1AFF} /* Cn */,
666: { 0x1B4C, 0x1B4F} /* Cn */, { 0x1B7D, 0x1CFF} /* Cn */,
667: { 0x1DCB, 0x1DFD} /* Cn */, { 0x1E9C, 0x1E9F} /* Cn */,
668: { 0x1EFA, 0x1EFF} /* Cn */, { 0x1F16, 0x1F17} /* Cn */,
669: { 0x1F1E, 0x1F1F} /* Cn */, { 0x1F46, 0x1F47} /* Cn */,
670: { 0x1F4E, 0x1F4F} /* Cn */, { 0x1F58, 0x1F58} /* Cn */,
671: { 0x1F5A, 0x1F5A} /* Cn */, { 0x1F5C, 0x1F5C} /* Cn */,
672: { 0x1F5E, 0x1F5E} /* Cn */, { 0x1F7E, 0x1F7F} /* Cn */,
673: { 0x1FB5, 0x1FB5} /* Cn */, { 0x1FC5, 0x1FC5} /* Cn */,
674: { 0x1FD4, 0x1FD5} /* Cn */, { 0x1FDC, 0x1FDC} /* Cn */,
675: { 0x1FF0, 0x1FF1} /* Cn */, { 0x1FF5, 0x1FF5} /* Cn */,
676: { 0x1FFF, 0x1FFF} /* Cn */,
677: { 0x200B, 0x200F} /* Cf */,
678: { 0x2028, 0x2028} /* Zl */,
679: { 0x2029, 0x2029} /* Zp */,
680: { 0x202A, 0x202E} /* Cf */,
681: { 0x2060, 0x2063} /* Cf */,
682: { 0x2064, 0x2069} /* Cn */,
683: { 0x206A, 0x206F} /* Cf */,
684: { 0x2072, 0x2073} /* Cn */, { 0x208F, 0x208F} /* Cn */,
685: { 0x2095, 0x209F} /* Cn */, { 0x20B6, 0x20CF} /* Cn */,
686: { 0x20F0, 0x20FF} /* Cn */, { 0x214F, 0x2152} /* Cn */,
687: { 0x2185, 0x218F} /* Cn */, { 0x23E8, 0x23FF} /* Cn */,
688: { 0x2427, 0x243F} /* Cn */, { 0x244B, 0x245F} /* Cn */,
689: { 0x269D, 0x269F} /* Cn */, { 0x26B3, 0x2700} /* Cn */,
690: { 0x2705, 0x2705} /* Cn */, { 0x270A, 0x270B} /* Cn */,
691: { 0x2728, 0x2728} /* Cn */, { 0x274C, 0x274C} /* Cn */,
692: { 0x274E, 0x274E} /* Cn */, { 0x2753, 0x2755} /* Cn */,
693: { 0x2757, 0x2757} /* Cn */, { 0x275F, 0x2760} /* Cn */,
694: { 0x2795, 0x2797} /* Cn */, { 0x27B0, 0x27B0} /* Cn */,
695: { 0x27BF, 0x27BF} /* Cn */, { 0x27CB, 0x27CF} /* Cn */,
696: { 0x27EC, 0x27EF} /* Cn */, { 0x2B1B, 0x2B1F} /* Cn */,
697: { 0x2B24, 0x2BFF} /* Cn */, { 0x2C2F, 0x2C2F} /* Cn */,
698: { 0x2C5F, 0x2C5F} /* Cn */, { 0x2C6D, 0x2C73} /* Cn */,
699: { 0x2C78, 0x2C7F} /* Cn */, { 0x2CEB, 0x2CF8} /* Cn */,
700: { 0x2D26, 0x2D2F} /* Cn */, { 0x2D66, 0x2D6E} /* Cn */,
701: { 0x2D70, 0x2D7F} /* Cn */, { 0x2D97, 0x2D9F} /* Cn */,
702: { 0x2DA7, 0x2DA7} /* Cn */, { 0x2DAF, 0x2DAF} /* Cn */,
703: { 0x2DB7, 0x2DB7} /* Cn */, { 0x2DBF, 0x2DBF} /* Cn */,
704: { 0x2DC7, 0x2DC7} /* Cn */, { 0x2DCF, 0x2DCF} /* Cn */,
705: { 0x2DD7, 0x2DD7} /* Cn */, { 0x2DDF, 0x2DFF} /* Cn */,
706: { 0x2E18, 0x2E1B} /* Cn */, { 0x2E1E, 0x2E7F} /* Cn */,
707: { 0x2E9A, 0x2E9A} /* Cn */, { 0x2EF4, 0x2EFF} /* Cn */,
708: { 0x2FD6, 0x2FEF} /* Cn */, { 0x2FFC, 0x2FFF} /* Cn */,
709: { 0x3040, 0x3040} /* Cn */, { 0x3097, 0x3098} /* Cn */,
710: { 0x3100, 0x3104} /* Cn */, { 0x312D, 0x3130} /* Cn */,
711: { 0x318F, 0x318F} /* Cn */, { 0x31B8, 0x31BF} /* Cn */,
712: { 0x31D0, 0x31EF} /* Cn */, { 0x321F, 0x321F} /* Cn */,
713: { 0x3244, 0x324F} /* Cn */, { 0x32FF, 0x32FF} /* Cn */,
714: { 0x4DB6, 0x4DBF} /* Cn */, { 0x9FBC, 0x9FFF} /* Cn */,
715: { 0xA48D, 0xA48F} /* Cn */, { 0xA4C7, 0xA6FF} /* Cn */,
716: { 0xA71B, 0xA71F} /* Cn */, { 0xA722, 0xA7FF} /* Cn */,
717: { 0xA82C, 0xA83F} /* Cn */, { 0xA878, 0xABFF} /* Cn */,
718: { 0xD7A4, 0xD7FF} /* Cn */,
719: { 0xD800, 0xDFFF} /* Cs */,
720: { 0xE000, 0xF8FF} /* Co */,
721: { 0xFA2E, 0xFA2F} /* Cn */, { 0xFA6B, 0xFA6F} /* Cn */,
722: { 0xFADA, 0xFAFF} /* Cn */, { 0xFB07, 0xFB12} /* Cn */,
723: { 0xFB18, 0xFB1C} /* Cn */, { 0xFB37, 0xFB37} /* Cn */,
724: { 0xFB3D, 0xFB3D} /* Cn */, { 0xFB3F, 0xFB3F} /* Cn */,
725: { 0xFB42, 0xFB42} /* Cn */, { 0xFB45, 0xFB45} /* Cn */,
726: { 0xFBB2, 0xFBD2} /* Cn */, { 0xFD40, 0xFD4F} /* Cn */,
727: { 0xFD90, 0xFD91} /* Cn */, { 0xFDC8, 0xFDEF} /* Cn */,
728: { 0xFDFE, 0xFDFF} /* Cn */, { 0xFE1A, 0xFE1F} /* Cn */,
729: { 0xFE24, 0xFE2F} /* Cn */, { 0xFE53, 0xFE53} /* Cn */,
730: { 0xFE67, 0xFE67} /* Cn */, { 0xFE6C, 0xFE6F} /* Cn */,
731: { 0xFE75, 0xFE75} /* Cn */, { 0xFEFD, 0xFEFE} /* Cn */,
732: { 0xFEFF, 0xFEFF} /* Cf */,
733: { 0xFF00, 0xFF00} /* Cn */, { 0xFFBF, 0xFFC1} /* Cn */,
734: { 0xFFC8, 0xFFC9} /* Cn */, { 0xFFD0, 0xFFD1} /* Cn */,
735: { 0xFFD8, 0xFFD9} /* Cn */, { 0xFFDD, 0xFFDF} /* Cn */,
736: { 0xFFE7, 0xFFE7} /* Cn */, { 0xFFEF, 0xFFF8} /* Cn */,
737: { 0xFFF9, 0xFFFB} /* Cf */,
738: { 0xFFFE, 0xFFFF} /* Cn */, { 0x1000C, 0x1000C} /* Cn */,
739: { 0x10027, 0x10027} /* Cn */, { 0x1003B, 0x1003B} /* Cn */,
740: { 0x1003E, 0x1003E} /* Cn */, { 0x1004E, 0x1004F} /* Cn */,
741: { 0x1005E, 0x1007F} /* Cn */, { 0x100FB, 0x100FF} /* Cn */,
742: { 0x10103, 0x10106} /* Cn */, { 0x10134, 0x10136} /* Cn */,
743: { 0x1018B, 0x102FF} /* Cn */, { 0x1031F, 0x1031F} /* Cn */,
744: { 0x10324, 0x1032F} /* Cn */, { 0x1034B, 0x1037F} /* Cn */,
745: { 0x1039E, 0x1039E} /* Cn */, { 0x103C4, 0x103C7} /* Cn */,
746: { 0x103D6, 0x103FF} /* Cn */,
747: { 0x1049E, 0x1049F} /* Cn */, { 0x104AA, 0x107FF} /* Cn */,
748: { 0x10806, 0x10807} /* Cn */, { 0x10809, 0x10809} /* Cn */,
749: { 0x10836, 0x10836} /* Cn */, { 0x10839, 0x1083B} /* Cn */,
750: { 0x1083D, 0x1083E} /* Cn */, { 0x10840, 0x108FF} /* Cn */,
751: { 0x1091A, 0x1091E} /* Cn */, { 0x10920, 0x109FF} /* Cn */,
752: { 0x10A04, 0x10A04} /* Cn */, { 0x10A07, 0x10A0B} /* Cn */,
753: { 0x10A14, 0x10A14} /* Cn */, { 0x10A18, 0x10A18} /* Cn */,
754: { 0x10A34, 0x10A37} /* Cn */, { 0x10A3B, 0x10A3E} /* Cn */,
755: { 0x10A48, 0x10A4F} /* Cn */, { 0x10A59, 0x11FFF} /* Cn */,
756: { 0x1236F, 0x123FF} /* Cn */, { 0x12463, 0x1246F} /* Cn */,
757: { 0x12474, 0x1CFFF} /* Cn */, { 0x1D0F6, 0x1D0FF} /* Cn */,
758: { 0x1D127, 0x1D129} /* Cn */,
759: { 0x1D173, 0x1D17A} /* Cf */,
760: { 0x1D1DE, 0x1D1FF} /* Cn */, { 0x1D246, 0x1D2FF} /* Cn */,
761: { 0x1D357, 0x1D35F} /* Cn */, { 0x1D372, 0x1D3FF} /* Cn */,
762: { 0x1D455, 0x1D455} /* Cn */, { 0x1D49D, 0x1D49D} /* Cn */,
763: { 0x1D4A0, 0x1D4A1} /* Cn */, { 0x1D4A3, 0x1D4A4} /* Cn */,
764: { 0x1D4A7, 0x1D4A8} /* Cn */, { 0x1D4AD, 0x1D4AD} /* Cn */,
765: { 0x1D4BA, 0x1D4BA} /* Cn */, { 0x1D4BC, 0x1D4BC} /* Cn */,
766: { 0x1D4C4, 0x1D4C4} /* Cn */, { 0x1D506, 0x1D506} /* Cn */,
767: { 0x1D50B, 0x1D50C} /* Cn */, { 0x1D515, 0x1D515} /* Cn */,
768: { 0x1D51D, 0x1D51D} /* Cn */, { 0x1D53A, 0x1D53A} /* Cn */,
769: { 0x1D53F, 0x1D53F} /* Cn */, { 0x1D545, 0x1D545} /* Cn */,
770: { 0x1D547, 0x1D549} /* Cn */, { 0x1D551, 0x1D551} /* Cn */,
771: { 0x1D6A6, 0x1D6A7} /* Cn */, { 0x1D7CC, 0x1D7CD} /* Cn */,
772: { 0x1D800, 0x1FFFF} /* Cn */, { 0x2A6D7, 0x2F7FF} /* Cn */,
773: { 0x2FA1E, 0xE0000} /* Cn */,
774: { 0xE0001, 0xE0001} /* Cf */,
775: { 0xE0002, 0xE001F} /* Cn */,
776: { 0xE0020, 0xE007F} /* Cf */,
777: { 0xE0080, 0xE00FF} /* Cn */, { 0xE01F0, 0xEFFFF} /* Cn */,
778: { 0xF0000, 0xFFFFD} /* Co */,
779: { 0xFFFFE, 0xFFFFF} /* Cn */,
1.11 nicm 780: { 0x100000, 0x10FFFD} /* Co */,
781: { 0x10FFFE, 0x10FFFF} /* Cn */,
782: { 0x110000, 0x7FFFFFFF} /* ISO 10646?? */
1.8 shadchin 783: };
784:
785: /*
786: * Double width characters
787: * W: East Asian Wide
788: * F: East Asian Full-width
789: * Unassigned code points may be included when they allow ranges to be merged.
790: * Last synched with
791: * <http://www.unicode.org/Public/5.0.0/ucd/EastAsianWidth-5.0.0d2.txt>
792: * dated 2005-11-08T01:32:56Z
793: */
794: static struct wchar_range wide_table[] = {
795: { 0x1100, 0x115F} /* W */, { 0x2329, 0x232A} /* W */,
796: { 0x2E80, 0x2FFB} /* W */,
797: { 0x3000, 0x3000} /* F */,
798: { 0x3001, 0x303E} /* W */, { 0x3041, 0x4DB5} /* W */,
799: { 0x4E00, 0x9FBB} /* W */, { 0xA000, 0xA4C6} /* W */,
800: { 0xAC00, 0xD7A3} /* W */, { 0xF900, 0xFAD9} /* W */,
801: { 0xFE10, 0xFE19} /* W */, { 0xFE30, 0xFE6B} /* W */,
802: { 0xFF01, 0xFF60} /* F */, { 0xFFE0, 0xFFE6} /* F */,
803: { 0x20000, 0x2FFFD} /* W */, { 0x30000, 0x3FFFD} /* W */,
804: };
805:
1.11 nicm 806: static int
807: is_in_table(LWCHAR ch, struct wchar_range table[], int tsize)
1.8 shadchin 808: {
809: int hi;
810: int lo;
811:
812: /* Binary search in the table. */
813: if (ch < table[0].first)
1.11 nicm 814: return (0);
1.8 shadchin 815: lo = 0;
816: hi = tsize - 1;
1.11 nicm 817: while (lo <= hi) {
1.8 shadchin 818: int mid = (lo + hi) / 2;
819: if (ch > table[mid].last)
820: lo = mid + 1;
821: else if (ch < table[mid].first)
822: hi = mid - 1;
823: else
1.11 nicm 824: return (1);
1.8 shadchin 825: }
1.11 nicm 826: return (0);
1.8 shadchin 827: }
828:
829: /*
830: * Is a character a UTF-8 composing character?
831: * If a composing character follows any char, the two combine into one glyph.
832: */
1.11 nicm 833: int
834: is_composing_char(LWCHAR ch)
1.8 shadchin 835: {
1.11 nicm 836: return (is_in_table(ch, comp_table,
837: (sizeof (comp_table) / sizeof (*comp_table))));
1.8 shadchin 838: }
839:
840: /*
841: * Should this UTF-8 character be treated as binary?
842: */
1.11 nicm 843: int
844: is_ubin_char(LWCHAR ch)
1.8 shadchin 845: {
1.11 nicm 846: return (is_in_table(ch, ubin_table,
847: (sizeof (ubin_table) / sizeof (*ubin_table))));
1.8 shadchin 848: }
849:
850: /*
851: * Is this a double width UTF-8 character?
852: */
1.11 nicm 853: int
854: is_wide_char(LWCHAR ch)
1.8 shadchin 855: {
1.11 nicm 856: return (is_in_table(ch, wide_table,
857: (sizeof (wide_table) / sizeof (*wide_table))));
1.8 shadchin 858: }
859:
860: /*
861: * Is a character a UTF-8 combining character?
862: * A combining char acts like an ordinary char, but if it follows
863: * a specific char (not any char), the two combine into one glyph.
864: */
1.11 nicm 865: int
866: is_combining_char(LWCHAR ch1, LWCHAR ch2)
1.8 shadchin 867: {
868: /* The table is small; use linear search. */
869: int i;
1.11 nicm 870: for (i = 0; i < sizeof (comb_table) / sizeof (*comb_table); i++) {
1.8 shadchin 871: if (ch1 == comb_table[i].first &&
872: ch2 == comb_table[i].last)
1.11 nicm 873: return (1);
1.8 shadchin 874: }
1.11 nicm 875: return (0);
1.8 shadchin 876: }
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