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