1 /* $NetBSD: charset.c,v 1.3 2011/07/03 20:14:12 tron Exp $ */ 2 3 /* 4 * Copyright (C) 1984-2011 Mark Nudelman 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 about less, or for information on how to 10 * contact the author, see the README file. 11 */ 12 13 14 /* 15 * Functions to define the character set 16 * and do things specific to the character set. 17 */ 18 19 #include "less.h" 20 #if HAVE_LOCALE 21 #include <locale.h> 22 #include <ctype.h> 23 #include <langinfo.h> 24 #endif 25 26 #include "charset.h" 27 28 public int utf_mode = 0; 29 30 /* 31 * Predefined character sets, 32 * selected by the LESSCHARSET environment variable. 33 */ 34 struct charset { 35 char *name; 36 int *p_flag; 37 char *desc; 38 } charsets[] = { 39 { "ascii", NULL, "8bcccbcc18b95.b" }, 40 { "utf-8", &utf_mode, "8bcccbcc18b95.b126.bb" }, 41 { "iso8859", NULL, "8bcccbcc18b95.33b." }, 42 { "latin3", NULL, "8bcccbcc18b95.33b5.b8.b15.b4.b12.b18.b12.b." }, 43 { "arabic", NULL, "8bcccbcc18b95.33b.3b.7b2.13b.3b.b26.5b19.b" }, 44 { "greek", NULL, "8bcccbcc18b95.33b4.2b4.b3.b35.b44.b" }, 45 { "greek2005", NULL, "8bcccbcc18b95.33b14.b35.b44.b" }, 46 { "hebrew", NULL, "8bcccbcc18b95.33b.b29.32b28.2b2.b" }, 47 { "koi8-r", NULL, "8bcccbcc18b95.b." }, 48 { "KOI8-T", NULL, "8bcccbcc18b95.b8.b6.b8.b.b.5b7.3b4.b4.b3.b.b.3b." }, 49 { "georgianps", NULL, "8bcccbcc18b95.3b11.4b12.2b." }, 50 { "tcvn", NULL, "b..b...bcccbccbbb7.8b95.b48.5b." }, 51 { "TIS-620", NULL, "8bcccbcc18b95.b.4b.11b7.8b." }, 52 { "next", NULL, "8bcccbcc18b95.bb125.bb" }, 53 { "dos", NULL, "8bcccbcc12bc5b95.b." }, 54 { "windows-1251", NULL, "8bcccbcc12bc5b95.b24.b." }, 55 { "windows-1252", NULL, "8bcccbcc12bc5b95.b.b11.b.2b12.b." }, 56 { "windows-1255", NULL, "8bcccbcc12bc5b95.b.b8.b.5b9.b.4b." }, 57 { "ebcdic", NULL, "5bc6bcc7bcc41b.9b7.9b5.b..8b6.10b6.b9.7b9.8b8.17b3.3b9.7b9.8b8.6b10.b.b.b." }, 58 { "IBM-1047", NULL, "4cbcbc3b9cbccbccbb4c6bcc5b3cbbc4bc4bccbc191.b" }, 59 { NULL, NULL, NULL } 60 }; 61 62 /* 63 * Support "locale charmap"/nl_langinfo(CODESET) values, as well as others. 64 */ 65 struct cs_alias { 66 char *name; 67 char *oname; 68 } cs_aliases[] = { 69 { "UTF-8", "utf-8" }, 70 { "ANSI_X3.4-1968", "ascii" }, 71 { "US-ASCII", "ascii" }, 72 { "latin1", "iso8859" }, 73 { "ISO-8859-1", "iso8859" }, 74 { "latin9", "iso8859" }, 75 { "ISO-8859-15", "iso8859" }, 76 { "latin2", "iso8859" }, 77 { "ISO-8859-2", "iso8859" }, 78 { "ISO-8859-3", "latin3" }, 79 { "latin4", "iso8859" }, 80 { "ISO-8859-4", "iso8859" }, 81 { "cyrillic", "iso8859" }, 82 { "ISO-8859-5", "iso8859" }, 83 { "ISO-8859-6", "arabic" }, 84 { "ISO-8859-7", "greek" }, 85 { "IBM9005", "greek2005" }, 86 { "ISO-8859-8", "hebrew" }, 87 { "latin5", "iso8859" }, 88 { "ISO-8859-9", "iso8859" }, 89 { "latin6", "iso8859" }, 90 { "ISO-8859-10", "iso8859" }, 91 { "latin7", "iso8859" }, 92 { "ISO-8859-13", "iso8859" }, 93 { "latin8", "iso8859" }, 94 { "ISO-8859-14", "iso8859" }, 95 { "latin10", "iso8859" }, 96 { "ISO-8859-16", "iso8859" }, 97 { "IBM437", "dos" }, 98 { "EBCDIC-US", "ebcdic" }, 99 { "IBM1047", "IBM-1047" }, 100 { "KOI8-R", "koi8-r" }, 101 { "KOI8-U", "koi8-r" }, 102 { "GEORGIAN-PS", "georgianps" }, 103 { "TCVN5712-1", "tcvn" }, 104 { "NEXTSTEP", "next" }, 105 { "windows", "windows-1252" }, /* backward compatibility */ 106 { "CP1251", "windows-1251" }, 107 { "CP1252", "windows-1252" }, 108 { "CP1255", "windows-1255" }, 109 { NULL, NULL } 110 }; 111 112 #define IS_BINARY_CHAR 01 113 #define IS_CONTROL_CHAR 02 114 115 static char chardef[256]; 116 static char *binfmt = NULL; 117 static char *utfbinfmt = NULL; 118 public int binattr = AT_STANDOUT; 119 120 static void ichardef __P((char *)); 121 static int icharset __P((char *, int)); 122 static void ilocale __P((void)); 123 124 /* 125 * Define a charset, given a description string. 126 * The string consists of 256 letters, 127 * one for each character in the charset. 128 * If the string is shorter than 256 letters, missing letters 129 * are taken to be identical to the last one. 130 * A decimal number followed by a letter is taken to be a 131 * repetition of the letter. 132 * 133 * Each letter is one of: 134 * . normal character 135 * b binary character 136 * c control character 137 */ 138 static void 139 ichardef(s) 140 char *s; 141 { 142 register char *cp; 143 register int n; 144 register char v; 145 146 n = 0; 147 v = 0; 148 cp = chardef; 149 while (*s != '\0') 150 { 151 switch (*s++) 152 { 153 case '.': 154 v = 0; 155 break; 156 case 'c': 157 v = IS_CONTROL_CHAR; 158 break; 159 case 'b': 160 v = IS_BINARY_CHAR|IS_CONTROL_CHAR; 161 break; 162 163 case '0': case '1': case '2': case '3': case '4': 164 case '5': case '6': case '7': case '8': case '9': 165 n = (10 * n) + (s[-1] - '0'); 166 continue; 167 168 default: 169 error("invalid chardef", NULL_PARG); 170 quit(QUIT_ERROR); 171 /*NOTREACHED*/ 172 } 173 174 do 175 { 176 if (cp >= chardef + sizeof(chardef)) 177 { 178 error("chardef longer than 256", NULL_PARG); 179 quit(QUIT_ERROR); 180 /*NOTREACHED*/ 181 } 182 *cp++ = v; 183 } while (--n > 0); 184 n = 0; 185 } 186 187 while (cp < chardef + sizeof(chardef)) 188 *cp++ = v; 189 } 190 191 /* 192 * Define a charset, given a charset name. 193 * The valid charset names are listed in the "charsets" array. 194 */ 195 static int 196 icharset(name, no_error) 197 register char *name; 198 int no_error; 199 { 200 register struct charset *p; 201 register struct cs_alias *a; 202 203 if (name == NULL || *name == '\0') 204 return (0); 205 206 /* First see if the name is an alias. */ 207 for (a = cs_aliases; a->name != NULL; a++) 208 { 209 if (strcmp(name, a->name) == 0) 210 { 211 name = a->oname; 212 break; 213 } 214 } 215 216 for (p = charsets; p->name != NULL; p++) 217 { 218 if (strcmp(name, p->name) == 0) 219 { 220 ichardef(p->desc); 221 if (p->p_flag != NULL) 222 *(p->p_flag) = 1; 223 return (1); 224 } 225 } 226 227 if (!no_error) { 228 error("invalid charset name", NULL_PARG); 229 quit(QUIT_ERROR); 230 } 231 return (0); 232 } 233 234 #if HAVE_LOCALE 235 /* 236 * Define a charset, given a locale name. 237 */ 238 static void 239 ilocale() 240 { 241 register int c; 242 243 for (c = 0; c < (int) sizeof(chardef); c++) 244 { 245 if (isprint(c)) 246 chardef[c] = 0; 247 else if (iscntrl(c)) 248 chardef[c] = IS_CONTROL_CHAR; 249 else 250 chardef[c] = IS_BINARY_CHAR|IS_CONTROL_CHAR; 251 } 252 } 253 #endif 254 255 /* 256 * Define the printing format for control (or binary utf) chars. 257 */ 258 static void 259 setbinfmt(s, fmtvarptr, default_fmt) 260 char *s; 261 char **fmtvarptr; 262 char *default_fmt; 263 { 264 if (s && utf_mode) 265 { 266 /* It would be too hard to account for width otherwise. */ 267 char *t = s; 268 while (*t) 269 { 270 if (*t < ' ' || *t > '~') 271 { 272 s = default_fmt; 273 goto attr; 274 } 275 t++; 276 } 277 } 278 279 /* %n is evil */ 280 if (s == NULL || *s == '\0' || 281 (*s == '*' && (s[1] == '\0' || s[2] == '\0' || strchr(s + 2, 'n'))) || 282 (*s != '*' && strchr(s, 'n'))) 283 s = default_fmt; 284 285 /* 286 * Select the attributes if it starts with "*". 287 */ 288 attr: 289 if (*s == '*') 290 { 291 switch (s[1]) 292 { 293 case 'd': binattr = AT_BOLD; break; 294 case 'k': binattr = AT_BLINK; break; 295 case 's': binattr = AT_STANDOUT; break; 296 case 'u': binattr = AT_UNDERLINE; break; 297 default: binattr = AT_NORMAL; break; 298 } 299 s += 2; 300 } 301 *fmtvarptr = s; 302 } 303 304 /* 305 * 306 */ 307 static void 308 set_charset() 309 { 310 char *s; 311 312 /* 313 * See if environment variable LESSCHARSET is defined. 314 */ 315 s = lgetenv("LESSCHARSET"); 316 if (icharset(s, 0)) 317 return; 318 319 /* 320 * LESSCHARSET is not defined: try LESSCHARDEF. 321 */ 322 s = lgetenv("LESSCHARDEF"); 323 if (s != NULL && *s != '\0') 324 { 325 ichardef(s); 326 return; 327 } 328 329 #if HAVE_LOCALE 330 #ifdef CODESET 331 /* 332 * Try using the codeset name as the charset name. 333 */ 334 s = nl_langinfo(CODESET); 335 if (icharset(s, 1)) 336 return; 337 #endif 338 #endif 339 340 #if HAVE_STRSTR 341 /* 342 * Check whether LC_ALL, LC_CTYPE or LANG look like UTF-8 is used. 343 */ 344 if ((s = lgetenv("LC_ALL")) != NULL || 345 (s = lgetenv("LC_CTYPE")) != NULL || 346 (s = lgetenv("LANG")) != NULL) 347 { 348 if ( strstr(s, "UTF-8") != NULL || strstr(s, "utf-8") != NULL 349 || strstr(s, "UTF8") != NULL || strstr(s, "utf8") != NULL) 350 if (icharset("utf-8", 1)) 351 return; 352 } 353 #endif 354 355 #if HAVE_LOCALE 356 /* 357 * Get character definitions from locale functions, 358 * rather than from predefined charset entry. 359 */ 360 ilocale(); 361 #if MSDOS_COMPILER 362 /* 363 * Default to "dos". 364 */ 365 (void) icharset("dos", 1); 366 #else 367 /* 368 * Default to "latin1". 369 */ 370 (void) icharset("latin1", 1); 371 #endif 372 #endif 373 } 374 375 /* 376 * Initialize charset data structures. 377 */ 378 public void 379 init_charset() 380 { 381 char *s; 382 383 #if HAVE_LOCALE 384 setlocale(LC_ALL, ""); 385 #endif 386 387 set_charset(); 388 389 s = lgetenv("LESSBINFMT"); 390 setbinfmt(s, &binfmt, "*s<%02X>"); 391 392 s = lgetenv("LESSUTFBINFMT"); 393 setbinfmt(s, &utfbinfmt, "<U+%04lX>"); 394 } 395 396 /* 397 * Is a given character a "binary" character? 398 */ 399 public int 400 binary_char(c) 401 LWCHAR c; 402 { 403 if (utf_mode) 404 return (is_ubin_char(c)); 405 c &= 0377; 406 return (chardef[c] & IS_BINARY_CHAR); 407 } 408 409 /* 410 * Is a given character a "control" character? 411 */ 412 public int 413 control_char(c) 414 LWCHAR c; 415 { 416 c &= 0377; 417 return (chardef[c] & IS_CONTROL_CHAR); 418 } 419 420 /* 421 * Return the printable form of a character. 422 * For example, in the "ascii" charset '\3' is printed as "^C". 423 */ 424 public char * 425 prchar(c) 426 LWCHAR c; 427 { 428 /* {{ This buffer can be overrun if LESSBINFMT is a long string. }} */ 429 static char buf[32]; 430 431 c &= 0377; 432 if ((c < 128 || !utf_mode) && !control_char(c)) 433 SNPRINTF1(buf, sizeof(buf), "%c", (int) c); 434 else if (c == ESC) 435 strcpy(buf, "ESC"); 436 #if IS_EBCDIC_HOST 437 else if (!binary_char(c) && c < 64) 438 SNPRINTF1(buf, sizeof(buf), "^%c", 439 /* 440 * This array roughly inverts CONTROL() #defined in less.h, 441 * and should be kept in sync with CONTROL() and IBM-1047. 442 */ 443 "@ABC.I.?...KLMNO" 444 "PQRS.JH.XY.." 445 "\\]^_" 446 "......W[.....EFG" 447 "..V....D....TU.Z"[c]); 448 #else 449 else if (c < 128 && !control_char(c ^ 0100)) 450 SNPRINTF1(buf, sizeof(buf), "^%c", (int) (c ^ 0100)); 451 #endif 452 else 453 SNPRINTF1(buf, sizeof(buf), binfmt, c); 454 return (buf); 455 } 456 457 /* 458 * Return the printable form of a UTF-8 character. 459 */ 460 public char * 461 prutfchar(ch) 462 LWCHAR ch; 463 { 464 static char buf[32]; 465 466 if (ch == ESC) 467 strcpy(buf, "ESC"); 468 else if (ch < 128 && control_char(ch)) 469 { 470 if (!control_char(ch ^ 0100)) 471 SNPRINTF1(buf, sizeof(buf), "^%c", ((char) ch) ^ 0100); 472 else 473 SNPRINTF1(buf, sizeof(buf), binfmt, (char) ch); 474 } else if (is_ubin_char(ch)) 475 SNPRINTF1(buf, sizeof(buf), utfbinfmt, ch); 476 else 477 { 478 int len; 479 if (ch >= 0x80000000) 480 { 481 len = 3; 482 ch = 0xFFFD; 483 } else 484 { 485 len = (ch < 0x80) ? 1 486 : (ch < 0x800) ? 2 487 : (ch < 0x10000) ? 3 488 : (ch < 0x200000) ? 4 489 : (ch < 0x4000000) ? 5 490 : 6; 491 } 492 buf[len] = '\0'; 493 if (len == 1) 494 *buf = (char) ch; 495 else 496 { 497 *buf = ((1 << len) - 1) << (8 - len); 498 while (--len > 0) 499 { 500 buf[len] = (char) (0x80 | (ch & 0x3F)); 501 ch >>= 6; 502 } 503 *buf |= ch; 504 } 505 } 506 return (buf); 507 } 508 509 /* 510 * Get the length of a UTF-8 character in bytes. 511 */ 512 public int 513 utf_len(ch) 514 char ch; 515 { 516 if ((ch & 0x80) == 0) 517 return 1; 518 if ((ch & 0xE0) == 0xC0) 519 return 2; 520 if ((ch & 0xF0) == 0xE0) 521 return 3; 522 if ((ch & 0xF8) == 0xF0) 523 return 4; 524 if ((ch & 0xFC) == 0xF8) 525 return 5; 526 if ((ch & 0xFE) == 0xFC) 527 return 6; 528 /* Invalid UTF-8 encoding. */ 529 return 1; 530 } 531 532 /* 533 * Is a UTF-8 character well-formed? 534 */ 535 public int 536 is_utf8_well_formed(s) 537 unsigned char *s; 538 { 539 int i; 540 int len; 541 542 if (IS_UTF8_INVALID(s[0])) 543 return (0); 544 545 len = utf_len((char) s[0]); 546 if (len == 1) 547 return (1); 548 if (len == 2) 549 { 550 if (s[0] < 0xC2) 551 return (0); 552 } else 553 { 554 unsigned char mask; 555 mask = (~((1 << (8-len)) - 1)) & 0xFF; 556 if (s[0] == mask && (s[1] & mask) == 0x80) 557 return (0); 558 } 559 560 for (i = 1; i < len; i++) 561 if (!IS_UTF8_TRAIL(s[i])) 562 return (0); 563 return (1); 564 } 565 566 /* 567 * Get the value of a UTF-8 character. 568 */ 569 public LWCHAR 570 get_wchar(p) 571 char *p; 572 { 573 switch (utf_len(p[0])) 574 { 575 case 1: 576 default: 577 /* 0xxxxxxx */ 578 return (LWCHAR) 579 (p[0] & 0xFF); 580 case 2: 581 /* 110xxxxx 10xxxxxx */ 582 return (LWCHAR) ( 583 ((p[0] & 0x1F) << 6) | 584 (p[1] & 0x3F)); 585 case 3: 586 /* 1110xxxx 10xxxxxx 10xxxxxx */ 587 return (LWCHAR) ( 588 ((p[0] & 0x0F) << 12) | 589 ((p[1] & 0x3F) << 6) | 590 (p[2] & 0x3F)); 591 case 4: 592 /* 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */ 593 return (LWCHAR) ( 594 ((p[0] & 0x07) << 18) | 595 ((p[1] & 0x3F) << 12) | 596 ((p[2] & 0x3F) << 6) | 597 (p[3] & 0x3F)); 598 case 5: 599 /* 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */ 600 return (LWCHAR) ( 601 ((p[0] & 0x03) << 24) | 602 ((p[1] & 0x3F) << 18) | 603 ((p[2] & 0x3F) << 12) | 604 ((p[3] & 0x3F) << 6) | 605 (p[4] & 0x3F)); 606 case 6: 607 /* 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */ 608 return (LWCHAR) ( 609 ((p[0] & 0x01) << 30) | 610 ((p[1] & 0x3F) << 24) | 611 ((p[2] & 0x3F) << 18) | 612 ((p[3] & 0x3F) << 12) | 613 ((p[4] & 0x3F) << 6) | 614 (p[5] & 0x3F)); 615 } 616 } 617 618 /* 619 * Store a character into a UTF-8 string. 620 */ 621 public void 622 put_wchar(pp, ch) 623 char **pp; 624 LWCHAR ch; 625 { 626 if (!utf_mode || ch < 0x80) 627 { 628 /* 0xxxxxxx */ 629 *(*pp)++ = (char) ch; 630 } else if (ch < 0x800) 631 { 632 /* 110xxxxx 10xxxxxx */ 633 *(*pp)++ = (char) (0xC0 | ((ch >> 6) & 0x1F)); 634 *(*pp)++ = (char) (0x80 | (ch & 0x3F)); 635 } else if (ch < 0x10000) 636 { 637 /* 1110xxxx 10xxxxxx 10xxxxxx */ 638 *(*pp)++ = (char) (0xE0 | ((ch >> 12) & 0x0F)); 639 *(*pp)++ = (char) (0x80 | ((ch >> 6) & 0x3F)); 640 *(*pp)++ = (char) (0x80 | (ch & 0x3F)); 641 } else if (ch < 0x200000) 642 { 643 /* 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */ 644 *(*pp)++ = (char) (0xF0 | ((ch >> 18) & 0x07)); 645 *(*pp)++ = (char) (0x80 | ((ch >> 12) & 0x3F)); 646 *(*pp)++ = (char) (0x80 | ((ch >> 6) & 0x3F)); 647 *(*pp)++ = (char) (0x80 | (ch & 0x3F)); 648 } else if (ch < 0x4000000) 649 { 650 /* 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */ 651 *(*pp)++ = (char) (0xF0 | ((ch >> 24) & 0x03)); 652 *(*pp)++ = (char) (0x80 | ((ch >> 18) & 0x3F)); 653 *(*pp)++ = (char) (0x80 | ((ch >> 12) & 0x3F)); 654 *(*pp)++ = (char) (0x80 | ((ch >> 6) & 0x3F)); 655 *(*pp)++ = (char) (0x80 | (ch & 0x3F)); 656 } else 657 { 658 /* 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */ 659 *(*pp)++ = (char) (0xF0 | ((ch >> 30) & 0x01)); 660 *(*pp)++ = (char) (0x80 | ((ch >> 24) & 0x3F)); 661 *(*pp)++ = (char) (0x80 | ((ch >> 18) & 0x3F)); 662 *(*pp)++ = (char) (0x80 | ((ch >> 12) & 0x3F)); 663 *(*pp)++ = (char) (0x80 | ((ch >> 6) & 0x3F)); 664 *(*pp)++ = (char) (0x80 | (ch & 0x3F)); 665 } 666 } 667 668 /* 669 * Step forward or backward one character in a string. 670 */ 671 public LWCHAR 672 step_char(pp, dir, limit) 673 char **pp; 674 signed int dir; 675 char *limit; 676 { 677 LWCHAR ch; 678 int len; 679 char *p = *pp; 680 681 if (!utf_mode) 682 { 683 /* It's easy if chars are one byte. */ 684 if (dir > 0) 685 ch = (LWCHAR) ((p < limit) ? *p++ : 0); 686 else 687 ch = (LWCHAR) ((p > limit) ? *--p : 0); 688 } else if (dir > 0) 689 { 690 len = utf_len(*p); 691 if (p + len > limit) 692 { 693 ch = 0; 694 p = limit; 695 } else 696 { 697 ch = get_wchar(p); 698 p += len; 699 } 700 } else 701 { 702 while (p > limit && IS_UTF8_TRAIL(p[-1])) 703 p--; 704 if (p > limit) 705 ch = get_wchar(--p); 706 else 707 ch = 0; 708 } 709 *pp = p; 710 return ch; 711 } 712 713 /* 714 * Unicode characters data 715 */ 716 struct wchar_range { LWCHAR first, last; }; 717 718 /* 719 * Characters with general category values 720 * Mn: Mark, Nonspacing 721 * Me: Mark, Enclosing 722 * Last synched with 723 * <http://www.unicode.org/Public/5.0.0/ucd/UnicodeData-5.0.0d7.txt> 724 * dated 2005-11-30T00:58:48Z 725 */ 726 static struct wchar_range comp_table[] = { 727 { 0x0300, 0x036F} /* Mn */, { 0x0483, 0x0486} /* Mn */, 728 { 0x0488, 0x0489} /* Me */, 729 { 0x0591, 0x05BD} /* Mn */, { 0x05BF, 0x05BF} /* Mn */, 730 { 0x05C1, 0x05C2} /* Mn */, { 0x05C4, 0x05C5} /* Mn */, 731 { 0x05C7, 0x05C7} /* Mn */, { 0x0610, 0x0615} /* Mn */, 732 { 0x064B, 0x065E} /* Mn */, { 0x0670, 0x0670} /* Mn */, 733 { 0x06D6, 0x06DC} /* Mn */, 734 { 0x06DE, 0x06DE} /* Me */, 735 { 0x06DF, 0x06E4} /* Mn */, { 0x06E7, 0x06E8} /* Mn */, 736 { 0x06EA, 0x06ED} /* Mn */, { 0x0711, 0x0711} /* Mn */, 737 { 0x0730, 0x074A} /* Mn */, { 0x07A6, 0x07B0} /* Mn */, 738 { 0x07EB, 0x07F3} /* Mn */, { 0x0901, 0x0902} /* Mn */, 739 { 0x093C, 0x093C} /* Mn */, { 0x0941, 0x0948} /* Mn */, 740 { 0x094D, 0x094D} /* Mn */, { 0x0951, 0x0954} /* Mn */, 741 { 0x0962, 0x0963} /* Mn */, { 0x0981, 0x0981} /* Mn */, 742 { 0x09BC, 0x09BC} /* Mn */, { 0x09C1, 0x09C4} /* Mn */, 743 { 0x09CD, 0x09CD} /* Mn */, { 0x09E2, 0x09E3} /* Mn */, 744 { 0x0A01, 0x0A02} /* Mn */, { 0x0A3C, 0x0A3C} /* Mn */, 745 { 0x0A41, 0x0A42} /* Mn */, { 0x0A47, 0x0A48} /* Mn */, 746 { 0x0A4B, 0x0A4D} /* Mn */, { 0x0A70, 0x0A71} /* Mn */, 747 { 0x0A81, 0x0A82} /* Mn */, { 0x0ABC, 0x0ABC} /* Mn */, 748 { 0x0AC1, 0x0AC5} /* Mn */, { 0x0AC7, 0x0AC8} /* Mn */, 749 { 0x0ACD, 0x0ACD} /* Mn */, { 0x0AE2, 0x0AE3} /* Mn */, 750 { 0x0B01, 0x0B01} /* Mn */, { 0x0B3C, 0x0B3C} /* Mn */, 751 { 0x0B3F, 0x0B3F} /* Mn */, { 0x0B41, 0x0B43} /* Mn */, 752 { 0x0B4D, 0x0B4D} /* Mn */, { 0x0B56, 0x0B56} /* Mn */, 753 { 0x0B82, 0x0B82} /* Mn */, { 0x0BC0, 0x0BC0} /* Mn */, 754 { 0x0BCD, 0x0BCD} /* Mn */, { 0x0C3E, 0x0C40} /* Mn */, 755 { 0x0C46, 0x0C48} /* Mn */, { 0x0C4A, 0x0C4D} /* Mn */, 756 { 0x0C55, 0x0C56} /* Mn */, { 0x0CBC, 0x0CBC} /* Mn */, 757 { 0x0CBF, 0x0CBF} /* Mn */, { 0x0CC6, 0x0CC6} /* Mn */, 758 { 0x0CCC, 0x0CCD} /* Mn */, { 0x0CE2, 0x0CE3} /* Mn */, 759 { 0x0D41, 0x0D43} /* Mn */, { 0x0D4D, 0x0D4D} /* Mn */, 760 { 0x0DCA, 0x0DCA} /* Mn */, { 0x0DD2, 0x0DD4} /* Mn */, 761 { 0x0DD6, 0x0DD6} /* Mn */, { 0x0E31, 0x0E31} /* Mn */, 762 { 0x0E34, 0x0E3A} /* Mn */, { 0x0E47, 0x0E4E} /* Mn */, 763 { 0x0EB1, 0x0EB1} /* Mn */, { 0x0EB4, 0x0EB9} /* Mn */, 764 { 0x0EBB, 0x0EBC} /* Mn */, { 0x0EC8, 0x0ECD} /* Mn */, 765 { 0x0F18, 0x0F19} /* Mn */, { 0x0F35, 0x0F35} /* Mn */, 766 { 0x0F37, 0x0F37} /* Mn */, { 0x0F39, 0x0F39} /* Mn */, 767 { 0x0F71, 0x0F7E} /* Mn */, { 0x0F80, 0x0F84} /* Mn */, 768 { 0x0F86, 0x0F87} /* Mn */, { 0x0F90, 0x0F97} /* Mn */, 769 { 0x0F99, 0x0FBC} /* Mn */, { 0x0FC6, 0x0FC6} /* Mn */, 770 { 0x102D, 0x1030} /* Mn */, { 0x1032, 0x1032} /* Mn */, 771 { 0x1036, 0x1037} /* Mn */, { 0x1039, 0x1039} /* Mn */, 772 { 0x1058, 0x1059} /* Mn */, { 0x135F, 0x135F} /* Mn */, 773 { 0x1712, 0x1714} /* Mn */, { 0x1732, 0x1734} /* Mn */, 774 { 0x1752, 0x1753} /* Mn */, { 0x1772, 0x1773} /* Mn */, 775 { 0x17B7, 0x17BD} /* Mn */, { 0x17C6, 0x17C6} /* Mn */, 776 { 0x17C9, 0x17D3} /* Mn */, { 0x17DD, 0x17DD} /* Mn */, 777 { 0x180B, 0x180D} /* Mn */, { 0x18A9, 0x18A9} /* Mn */, 778 { 0x1920, 0x1922} /* Mn */, { 0x1927, 0x1928} /* Mn */, 779 { 0x1932, 0x1932} /* Mn */, { 0x1939, 0x193B} /* Mn */, 780 { 0x1A17, 0x1A18} /* Mn */, { 0x1B00, 0x1B03} /* Mn */, 781 { 0x1B34, 0x1B34} /* Mn */, { 0x1B36, 0x1B3A} /* Mn */, 782 { 0x1B3C, 0x1B3C} /* Mn */, { 0x1B42, 0x1B42} /* Mn */, 783 { 0x1B6B, 0x1B73} /* Mn */, { 0x1DC0, 0x1DCA} /* Mn */, 784 { 0x1DFE, 0x1DFF} /* Mn */, { 0x20D0, 0x20DC} /* Mn */, 785 { 0x20DD, 0x20E0} /* Me */, 786 { 0x20E1, 0x20E1} /* Mn */, 787 { 0x20E2, 0x20E4} /* Me */, 788 { 0x20E5, 0x20EF} /* Mn */, { 0x302A, 0x302F} /* Mn */, 789 { 0x3099, 0x309A} /* Mn */, { 0xA806, 0xA806} /* Mn */, 790 { 0xA80B, 0xA80B} /* Mn */, { 0xA825, 0xA826} /* Mn */, 791 { 0xFB1E, 0xFB1E} /* Mn */, { 0xFE00, 0xFE0F} /* Mn */, 792 { 0xFE20, 0xFE23} /* Mn */, { 0x10A01, 0x10A03} /* Mn */, 793 { 0x10A05, 0x10A06} /* Mn */, { 0x10A0C, 0x10A0F} /* Mn */, 794 { 0x10A38, 0x10A3A} /* Mn */, { 0x10A3F, 0x10A3F} /* Mn */, 795 { 0x1D167, 0x1D169} /* Mn */, { 0x1D17B, 0x1D182} /* Mn */, 796 { 0x1D185, 0x1D18B} /* Mn */, { 0x1D1AA, 0x1D1AD} /* Mn */, 797 { 0x1D242, 0x1D244} /* Mn */, { 0xE0100, 0xE01EF} /* Mn */, 798 }; 799 800 /* 801 * Special pairs, not ranges. 802 */ 803 static struct wchar_range comb_table[] = { 804 {0x0644,0x0622}, {0x0644,0x0623}, {0x0644,0x0625}, {0x0644,0x0627}, 805 }; 806 807 /* 808 * Characters with general category values 809 * Cc: Other, Control 810 * Cf: Other, Format 811 * Cs: Other, Surrogate 812 * Co: Other, Private Use 813 * Cn: Other, Not Assigned 814 * Zl: Separator, Line 815 * Zp: Separator, Paragraph 816 * Last synched with 817 * <http://www.unicode.org/Public/5.0.0/ucd/UnicodeData-5.0.0d7.txt> 818 * dated 2005-11-30T00:58:48Z 819 */ 820 static struct wchar_range ubin_table[] = { 821 { 0x0000, 0x0007} /* Cc */, 822 { 0x000B, 0x000C} /* Cc */, 823 { 0x000E, 0x001A} /* Cc */, 824 { 0x001C, 0x001F} /* Cc */, 825 { 0x007F, 0x009F} /* Cc */, 826 #if 0 827 { 0x00AD, 0x00AD} /* Cf */, 828 #endif 829 { 0x0370, 0x0373} /* Cn */, { 0x0376, 0x0379} /* Cn */, 830 { 0x037F, 0x0383} /* Cn */, { 0x038B, 0x038B} /* Cn */, 831 { 0x038D, 0x038D} /* Cn */, { 0x03A2, 0x03A2} /* Cn */, 832 { 0x03CF, 0x03CF} /* Cn */, { 0x0487, 0x0487} /* Cn */, 833 { 0x0514, 0x0530} /* Cn */, { 0x0557, 0x0558} /* Cn */, 834 { 0x0560, 0x0560} /* Cn */, { 0x0588, 0x0588} /* Cn */, 835 { 0x058B, 0x0590} /* Cn */, { 0x05C8, 0x05CF} /* Cn */, 836 { 0x05EB, 0x05EF} /* Cn */, { 0x05F5, 0x05FF} /* Cn */, 837 #if 0 838 { 0x0600, 0x0603} /* Cf */, 839 #endif 840 { 0x0604, 0x060A} /* Cn */, { 0x0616, 0x061A} /* Cn */, 841 { 0x061C, 0x061D} /* Cn */, { 0x0620, 0x0620} /* Cn */, 842 { 0x063B, 0x063F} /* Cn */, { 0x065F, 0x065F} /* Cn */, 843 #if 0 844 { 0x06DD, 0x06DD} /* Cf */, 845 #endif 846 { 0x070E, 0x070E} /* Cn */, 847 #if 0 848 { 0x070F, 0x070F} /* Cf */, 849 #endif 850 { 0x074B, 0x074C} /* Cn */, { 0x076E, 0x077F} /* Cn */, 851 { 0x07B2, 0x07BF} /* Cn */, { 0x07FB, 0x0900} /* Cn */, 852 { 0x093A, 0x093B} /* Cn */, { 0x094E, 0x094F} /* Cn */, 853 { 0x0955, 0x0957} /* Cn */, { 0x0971, 0x097A} /* Cn */, 854 { 0x0980, 0x0980} /* Cn */, { 0x0984, 0x0984} /* Cn */, 855 { 0x098D, 0x098E} /* Cn */, { 0x0991, 0x0992} /* Cn */, 856 { 0x09A9, 0x09A9} /* Cn */, { 0x09B1, 0x09B1} /* Cn */, 857 { 0x09B3, 0x09B5} /* Cn */, { 0x09BA, 0x09BB} /* Cn */, 858 { 0x09C5, 0x09C6} /* Cn */, { 0x09C9, 0x09CA} /* Cn */, 859 { 0x09CF, 0x09D6} /* Cn */, { 0x09D8, 0x09DB} /* Cn */, 860 { 0x09DE, 0x09DE} /* Cn */, { 0x09E4, 0x09E5} /* Cn */, 861 { 0x09FB, 0x0A00} /* Cn */, { 0x0A04, 0x0A04} /* Cn */, 862 { 0x0A0B, 0x0A0E} /* Cn */, { 0x0A11, 0x0A12} /* Cn */, 863 { 0x0A29, 0x0A29} /* Cn */, { 0x0A31, 0x0A31} /* Cn */, 864 { 0x0A34, 0x0A34} /* Cn */, { 0x0A37, 0x0A37} /* Cn */, 865 { 0x0A3A, 0x0A3B} /* Cn */, { 0x0A3D, 0x0A3D} /* Cn */, 866 { 0x0A43, 0x0A46} /* Cn */, { 0x0A49, 0x0A4A} /* Cn */, 867 { 0x0A4E, 0x0A58} /* Cn */, { 0x0A5D, 0x0A5D} /* Cn */, 868 { 0x0A5F, 0x0A65} /* Cn */, { 0x0A75, 0x0A80} /* Cn */, 869 { 0x0A84, 0x0A84} /* Cn */, { 0x0A8E, 0x0A8E} /* Cn */, 870 { 0x0A92, 0x0A92} /* Cn */, { 0x0AA9, 0x0AA9} /* Cn */, 871 { 0x0AB1, 0x0AB1} /* Cn */, { 0x0AB4, 0x0AB4} /* Cn */, 872 { 0x0ABA, 0x0ABB} /* Cn */, { 0x0AC6, 0x0AC6} /* Cn */, 873 { 0x0ACA, 0x0ACA} /* Cn */, { 0x0ACE, 0x0ACF} /* Cn */, 874 { 0x0AD1, 0x0ADF} /* Cn */, { 0x0AE4, 0x0AE5} /* Cn */, 875 { 0x0AF0, 0x0AF0} /* Cn */, { 0x0AF2, 0x0B00} /* Cn */, 876 { 0x0B04, 0x0B04} /* Cn */, { 0x0B0D, 0x0B0E} /* Cn */, 877 { 0x0B11, 0x0B12} /* Cn */, { 0x0B29, 0x0B29} /* Cn */, 878 { 0x0B31, 0x0B31} /* Cn */, { 0x0B34, 0x0B34} /* Cn */, 879 { 0x0B3A, 0x0B3B} /* Cn */, { 0x0B44, 0x0B46} /* Cn */, 880 { 0x0B49, 0x0B4A} /* Cn */, { 0x0B4E, 0x0B55} /* Cn */, 881 { 0x0B58, 0x0B5B} /* Cn */, { 0x0B5E, 0x0B5E} /* Cn */, 882 { 0x0B62, 0x0B65} /* Cn */, { 0x0B72, 0x0B81} /* Cn */, 883 { 0x0B84, 0x0B84} /* Cn */, { 0x0B8B, 0x0B8D} /* Cn */, 884 { 0x0B91, 0x0B91} /* Cn */, { 0x0B96, 0x0B98} /* Cn */, 885 { 0x0B9B, 0x0B9B} /* Cn */, { 0x0B9D, 0x0B9D} /* Cn */, 886 { 0x0BA0, 0x0BA2} /* Cn */, { 0x0BA5, 0x0BA7} /* Cn */, 887 { 0x0BAB, 0x0BAD} /* Cn */, { 0x0BBA, 0x0BBD} /* Cn */, 888 { 0x0BC3, 0x0BC5} /* Cn */, { 0x0BC9, 0x0BC9} /* Cn */, 889 { 0x0BCE, 0x0BD6} /* Cn */, { 0x0BD8, 0x0BE5} /* Cn */, 890 { 0x0BFB, 0x0C00} /* Cn */, { 0x0C04, 0x0C04} /* Cn */, 891 { 0x0C0D, 0x0C0D} /* Cn */, { 0x0C11, 0x0C11} /* Cn */, 892 { 0x0C29, 0x0C29} /* Cn */, { 0x0C34, 0x0C34} /* Cn */, 893 { 0x0C3A, 0x0C3D} /* Cn */, { 0x0C45, 0x0C45} /* Cn */, 894 { 0x0C49, 0x0C49} /* Cn */, { 0x0C4E, 0x0C54} /* Cn */, 895 { 0x0C57, 0x0C5F} /* Cn */, { 0x0C62, 0x0C65} /* Cn */, 896 { 0x0C70, 0x0C81} /* Cn */, { 0x0C84, 0x0C84} /* Cn */, 897 { 0x0C8D, 0x0C8D} /* Cn */, { 0x0C91, 0x0C91} /* Cn */, 898 { 0x0CA9, 0x0CA9} /* Cn */, { 0x0CB4, 0x0CB4} /* Cn */, 899 { 0x0CBA, 0x0CBB} /* Cn */, { 0x0CC5, 0x0CC5} /* Cn */, 900 { 0x0CC9, 0x0CC9} /* Cn */, { 0x0CCE, 0x0CD4} /* Cn */, 901 { 0x0CD7, 0x0CDD} /* Cn */, { 0x0CDF, 0x0CDF} /* Cn */, 902 { 0x0CE4, 0x0CE5} /* Cn */, { 0x0CF0, 0x0CF0} /* Cn */, 903 { 0x0CF3, 0x0D01} /* Cn */, { 0x0D04, 0x0D04} /* Cn */, 904 { 0x0D0D, 0x0D0D} /* Cn */, { 0x0D11, 0x0D11} /* Cn */, 905 { 0x0D29, 0x0D29} /* Cn */, { 0x0D3A, 0x0D3D} /* Cn */, 906 { 0x0D44, 0x0D45} /* Cn */, { 0x0D49, 0x0D49} /* Cn */, 907 { 0x0D4E, 0x0D56} /* Cn */, { 0x0D58, 0x0D5F} /* Cn */, 908 { 0x0D62, 0x0D65} /* Cn */, { 0x0D70, 0x0D81} /* Cn */, 909 { 0x0D84, 0x0D84} /* Cn */, { 0x0D97, 0x0D99} /* Cn */, 910 { 0x0DB2, 0x0DB2} /* Cn */, { 0x0DBC, 0x0DBC} /* Cn */, 911 { 0x0DBE, 0x0DBF} /* Cn */, { 0x0DC7, 0x0DC9} /* Cn */, 912 { 0x0DCB, 0x0DCE} /* Cn */, { 0x0DD5, 0x0DD5} /* Cn */, 913 { 0x0DD7, 0x0DD7} /* Cn */, { 0x0DE0, 0x0DF1} /* Cn */, 914 { 0x0DF5, 0x0E00} /* Cn */, { 0x0E3B, 0x0E3E} /* Cn */, 915 { 0x0E5C, 0x0E80} /* Cn */, { 0x0E83, 0x0E83} /* Cn */, 916 { 0x0E85, 0x0E86} /* Cn */, { 0x0E89, 0x0E89} /* Cn */, 917 { 0x0E8B, 0x0E8C} /* Cn */, { 0x0E8E, 0x0E93} /* Cn */, 918 { 0x0E98, 0x0E98} /* Cn */, { 0x0EA0, 0x0EA0} /* Cn */, 919 { 0x0EA4, 0x0EA4} /* Cn */, { 0x0EA6, 0x0EA6} /* Cn */, 920 { 0x0EA8, 0x0EA9} /* Cn */, { 0x0EAC, 0x0EAC} /* Cn */, 921 { 0x0EBA, 0x0EBA} /* Cn */, { 0x0EBE, 0x0EBF} /* Cn */, 922 { 0x0EC5, 0x0EC5} /* Cn */, { 0x0EC7, 0x0EC7} /* Cn */, 923 { 0x0ECE, 0x0ECF} /* Cn */, { 0x0EDA, 0x0EDB} /* Cn */, 924 { 0x0EDE, 0x0EFF} /* Cn */, { 0x0F48, 0x0F48} /* Cn */, 925 { 0x0F6B, 0x0F70} /* Cn */, { 0x0F8C, 0x0F8F} /* Cn */, 926 { 0x0F98, 0x0F98} /* Cn */, { 0x0FBD, 0x0FBD} /* Cn */, 927 { 0x0FCD, 0x0FCE} /* Cn */, { 0x0FD2, 0x0FFF} /* Cn */, 928 { 0x1022, 0x1022} /* Cn */, { 0x1028, 0x1028} /* Cn */, 929 { 0x102B, 0x102B} /* Cn */, { 0x1033, 0x1035} /* Cn */, 930 { 0x103A, 0x103F} /* Cn */, { 0x105A, 0x109F} /* Cn */, 931 { 0x10C6, 0x10CF} /* Cn */, { 0x10FD, 0x10FF} /* Cn */, 932 { 0x115A, 0x115E} /* Cn */, { 0x11A3, 0x11A7} /* Cn */, 933 { 0x11FA, 0x11FF} /* Cn */, { 0x1249, 0x1249} /* Cn */, 934 { 0x124E, 0x124F} /* Cn */, { 0x1257, 0x1257} /* Cn */, 935 { 0x1259, 0x1259} /* Cn */, { 0x125E, 0x125F} /* Cn */, 936 { 0x1289, 0x1289} /* Cn */, { 0x128E, 0x128F} /* Cn */, 937 { 0x12B1, 0x12B1} /* Cn */, { 0x12B6, 0x12B7} /* Cn */, 938 { 0x12BF, 0x12BF} /* Cn */, { 0x12C1, 0x12C1} /* Cn */, 939 { 0x12C6, 0x12C7} /* Cn */, { 0x12D7, 0x12D7} /* Cn */, 940 { 0x1311, 0x1311} /* Cn */, { 0x1316, 0x1317} /* Cn */, 941 { 0x135B, 0x135E} /* Cn */, { 0x137D, 0x137F} /* Cn */, 942 { 0x139A, 0x139F} /* Cn */, { 0x13F5, 0x1400} /* Cn */, 943 { 0x1677, 0x167F} /* Cn */, { 0x169D, 0x169F} /* Cn */, 944 { 0x16F1, 0x16FF} /* Cn */, { 0x170D, 0x170D} /* Cn */, 945 { 0x1715, 0x171F} /* Cn */, { 0x1737, 0x173F} /* Cn */, 946 { 0x1754, 0x175F} /* Cn */, { 0x176D, 0x176D} /* Cn */, 947 { 0x1771, 0x1771} /* Cn */, { 0x1774, 0x177F} /* Cn */, 948 #if 0 949 { 0x17B4, 0x17B5} /* Cf */, 950 #endif 951 { 0x17DE, 0x17DF} /* Cn */, { 0x17EA, 0x17EF} /* Cn */, 952 { 0x17FA, 0x17FF} /* Cn */, { 0x180F, 0x180F} /* Cn */, 953 { 0x181A, 0x181F} /* Cn */, { 0x1878, 0x187F} /* Cn */, 954 { 0x18AA, 0x18FF} /* Cn */, { 0x191D, 0x191F} /* Cn */, 955 { 0x192C, 0x192F} /* Cn */, { 0x193C, 0x193F} /* Cn */, 956 { 0x1941, 0x1943} /* Cn */, { 0x196E, 0x196F} /* Cn */, 957 { 0x1975, 0x197F} /* Cn */, { 0x19AA, 0x19AF} /* Cn */, 958 { 0x19CA, 0x19CF} /* Cn */, { 0x19DA, 0x19DD} /* Cn */, 959 { 0x1A1C, 0x1A1D} /* Cn */, { 0x1A20, 0x1AFF} /* Cn */, 960 { 0x1B4C, 0x1B4F} /* Cn */, { 0x1B7D, 0x1CFF} /* Cn */, 961 { 0x1DCB, 0x1DFD} /* Cn */, { 0x1E9C, 0x1E9F} /* Cn */, 962 { 0x1EFA, 0x1EFF} /* Cn */, { 0x1F16, 0x1F17} /* Cn */, 963 { 0x1F1E, 0x1F1F} /* Cn */, { 0x1F46, 0x1F47} /* Cn */, 964 { 0x1F4E, 0x1F4F} /* Cn */, { 0x1F58, 0x1F58} /* Cn */, 965 { 0x1F5A, 0x1F5A} /* Cn */, { 0x1F5C, 0x1F5C} /* Cn */, 966 { 0x1F5E, 0x1F5E} /* Cn */, { 0x1F7E, 0x1F7F} /* Cn */, 967 { 0x1FB5, 0x1FB5} /* Cn */, { 0x1FC5, 0x1FC5} /* Cn */, 968 { 0x1FD4, 0x1FD5} /* Cn */, { 0x1FDC, 0x1FDC} /* Cn */, 969 { 0x1FF0, 0x1FF1} /* Cn */, { 0x1FF5, 0x1FF5} /* Cn */, 970 { 0x1FFF, 0x1FFF} /* Cn */, 971 { 0x200B, 0x200F} /* Cf */, 972 { 0x2028, 0x2028} /* Zl */, 973 { 0x2029, 0x2029} /* Zp */, 974 { 0x202A, 0x202E} /* Cf */, 975 { 0x2060, 0x2063} /* Cf */, 976 { 0x2064, 0x2069} /* Cn */, 977 { 0x206A, 0x206F} /* Cf */, 978 { 0x2072, 0x2073} /* Cn */, { 0x208F, 0x208F} /* Cn */, 979 { 0x2095, 0x209F} /* Cn */, { 0x20B6, 0x20CF} /* Cn */, 980 { 0x20F0, 0x20FF} /* Cn */, { 0x214F, 0x2152} /* Cn */, 981 { 0x2185, 0x218F} /* Cn */, { 0x23E8, 0x23FF} /* Cn */, 982 { 0x2427, 0x243F} /* Cn */, { 0x244B, 0x245F} /* Cn */, 983 { 0x269D, 0x269F} /* Cn */, { 0x26B3, 0x2700} /* Cn */, 984 { 0x2705, 0x2705} /* Cn */, { 0x270A, 0x270B} /* Cn */, 985 { 0x2728, 0x2728} /* Cn */, { 0x274C, 0x274C} /* Cn */, 986 { 0x274E, 0x274E} /* Cn */, { 0x2753, 0x2755} /* Cn */, 987 { 0x2757, 0x2757} /* Cn */, { 0x275F, 0x2760} /* Cn */, 988 { 0x2795, 0x2797} /* Cn */, { 0x27B0, 0x27B0} /* Cn */, 989 { 0x27BF, 0x27BF} /* Cn */, { 0x27CB, 0x27CF} /* Cn */, 990 { 0x27EC, 0x27EF} /* Cn */, { 0x2B1B, 0x2B1F} /* Cn */, 991 { 0x2B24, 0x2BFF} /* Cn */, { 0x2C2F, 0x2C2F} /* Cn */, 992 { 0x2C5F, 0x2C5F} /* Cn */, { 0x2C6D, 0x2C73} /* Cn */, 993 { 0x2C78, 0x2C7F} /* Cn */, { 0x2CEB, 0x2CF8} /* Cn */, 994 { 0x2D26, 0x2D2F} /* Cn */, { 0x2D66, 0x2D6E} /* Cn */, 995 { 0x2D70, 0x2D7F} /* Cn */, { 0x2D97, 0x2D9F} /* Cn */, 996 { 0x2DA7, 0x2DA7} /* Cn */, { 0x2DAF, 0x2DAF} /* Cn */, 997 { 0x2DB7, 0x2DB7} /* Cn */, { 0x2DBF, 0x2DBF} /* Cn */, 998 { 0x2DC7, 0x2DC7} /* Cn */, { 0x2DCF, 0x2DCF} /* Cn */, 999 { 0x2DD7, 0x2DD7} /* Cn */, { 0x2DDF, 0x2DFF} /* Cn */, 1000 { 0x2E18, 0x2E1B} /* Cn */, { 0x2E1E, 0x2E7F} /* Cn */, 1001 { 0x2E9A, 0x2E9A} /* Cn */, { 0x2EF4, 0x2EFF} /* Cn */, 1002 { 0x2FD6, 0x2FEF} /* Cn */, { 0x2FFC, 0x2FFF} /* Cn */, 1003 { 0x3040, 0x3040} /* Cn */, { 0x3097, 0x3098} /* Cn */, 1004 { 0x3100, 0x3104} /* Cn */, { 0x312D, 0x3130} /* Cn */, 1005 { 0x318F, 0x318F} /* Cn */, { 0x31B8, 0x31BF} /* Cn */, 1006 { 0x31D0, 0x31EF} /* Cn */, { 0x321F, 0x321F} /* Cn */, 1007 { 0x3244, 0x324F} /* Cn */, { 0x32FF, 0x32FF} /* Cn */, 1008 { 0x4DB6, 0x4DBF} /* Cn */, { 0x9FBC, 0x9FFF} /* Cn */, 1009 { 0xA48D, 0xA48F} /* Cn */, { 0xA4C7, 0xA6FF} /* Cn */, 1010 { 0xA71B, 0xA71F} /* Cn */, { 0xA722, 0xA7FF} /* Cn */, 1011 { 0xA82C, 0xA83F} /* Cn */, { 0xA878, 0xABFF} /* Cn */, 1012 { 0xD7A4, 0xD7FF} /* Cn */, 1013 { 0xD800, 0xDFFF} /* Cs */, 1014 { 0xE000, 0xF8FF} /* Co */, 1015 { 0xFA2E, 0xFA2F} /* Cn */, { 0xFA6B, 0xFA6F} /* Cn */, 1016 { 0xFADA, 0xFAFF} /* Cn */, { 0xFB07, 0xFB12} /* Cn */, 1017 { 0xFB18, 0xFB1C} /* Cn */, { 0xFB37, 0xFB37} /* Cn */, 1018 { 0xFB3D, 0xFB3D} /* Cn */, { 0xFB3F, 0xFB3F} /* Cn */, 1019 { 0xFB42, 0xFB42} /* Cn */, { 0xFB45, 0xFB45} /* Cn */, 1020 { 0xFBB2, 0xFBD2} /* Cn */, { 0xFD40, 0xFD4F} /* Cn */, 1021 { 0xFD90, 0xFD91} /* Cn */, { 0xFDC8, 0xFDEF} /* Cn */, 1022 { 0xFDFE, 0xFDFF} /* Cn */, { 0xFE1A, 0xFE1F} /* Cn */, 1023 { 0xFE24, 0xFE2F} /* Cn */, { 0xFE53, 0xFE53} /* Cn */, 1024 { 0xFE67, 0xFE67} /* Cn */, { 0xFE6C, 0xFE6F} /* Cn */, 1025 { 0xFE75, 0xFE75} /* Cn */, { 0xFEFD, 0xFEFE} /* Cn */, 1026 { 0xFEFF, 0xFEFF} /* Cf */, 1027 { 0xFF00, 0xFF00} /* Cn */, { 0xFFBF, 0xFFC1} /* Cn */, 1028 { 0xFFC8, 0xFFC9} /* Cn */, { 0xFFD0, 0xFFD1} /* Cn */, 1029 { 0xFFD8, 0xFFD9} /* Cn */, { 0xFFDD, 0xFFDF} /* Cn */, 1030 { 0xFFE7, 0xFFE7} /* Cn */, { 0xFFEF, 0xFFF8} /* Cn */, 1031 { 0xFFF9, 0xFFFB} /* Cf */, 1032 { 0xFFFE, 0xFFFF} /* Cn */, { 0x1000C, 0x1000C} /* Cn */, 1033 { 0x10027, 0x10027} /* Cn */, { 0x1003B, 0x1003B} /* Cn */, 1034 { 0x1003E, 0x1003E} /* Cn */, { 0x1004E, 0x1004F} /* Cn */, 1035 { 0x1005E, 0x1007F} /* Cn */, { 0x100FB, 0x100FF} /* Cn */, 1036 { 0x10103, 0x10106} /* Cn */, { 0x10134, 0x10136} /* Cn */, 1037 { 0x1018B, 0x102FF} /* Cn */, { 0x1031F, 0x1031F} /* Cn */, 1038 { 0x10324, 0x1032F} /* Cn */, { 0x1034B, 0x1037F} /* Cn */, 1039 { 0x1039E, 0x1039E} /* Cn */, { 0x103C4, 0x103C7} /* Cn */, 1040 { 0x103D6, 0x103FF} /* Cn */, 1041 { 0x1049E, 0x1049F} /* Cn */, { 0x104AA, 0x107FF} /* Cn */, 1042 { 0x10806, 0x10807} /* Cn */, { 0x10809, 0x10809} /* Cn */, 1043 { 0x10836, 0x10836} /* Cn */, { 0x10839, 0x1083B} /* Cn */, 1044 { 0x1083D, 0x1083E} /* Cn */, { 0x10840, 0x108FF} /* Cn */, 1045 { 0x1091A, 0x1091E} /* Cn */, { 0x10920, 0x109FF} /* Cn */, 1046 { 0x10A04, 0x10A04} /* Cn */, { 0x10A07, 0x10A0B} /* Cn */, 1047 { 0x10A14, 0x10A14} /* Cn */, { 0x10A18, 0x10A18} /* Cn */, 1048 { 0x10A34, 0x10A37} /* Cn */, { 0x10A3B, 0x10A3E} /* Cn */, 1049 { 0x10A48, 0x10A4F} /* Cn */, { 0x10A59, 0x11FFF} /* Cn */, 1050 { 0x1236F, 0x123FF} /* Cn */, { 0x12463, 0x1246F} /* Cn */, 1051 { 0x12474, 0x1CFFF} /* Cn */, { 0x1D0F6, 0x1D0FF} /* Cn */, 1052 { 0x1D127, 0x1D129} /* Cn */, 1053 { 0x1D173, 0x1D17A} /* Cf */, 1054 { 0x1D1DE, 0x1D1FF} /* Cn */, { 0x1D246, 0x1D2FF} /* Cn */, 1055 { 0x1D357, 0x1D35F} /* Cn */, { 0x1D372, 0x1D3FF} /* Cn */, 1056 { 0x1D455, 0x1D455} /* Cn */, { 0x1D49D, 0x1D49D} /* Cn */, 1057 { 0x1D4A0, 0x1D4A1} /* Cn */, { 0x1D4A3, 0x1D4A4} /* Cn */, 1058 { 0x1D4A7, 0x1D4A8} /* Cn */, { 0x1D4AD, 0x1D4AD} /* Cn */, 1059 { 0x1D4BA, 0x1D4BA} /* Cn */, { 0x1D4BC, 0x1D4BC} /* Cn */, 1060 { 0x1D4C4, 0x1D4C4} /* Cn */, { 0x1D506, 0x1D506} /* Cn */, 1061 { 0x1D50B, 0x1D50C} /* Cn */, { 0x1D515, 0x1D515} /* Cn */, 1062 { 0x1D51D, 0x1D51D} /* Cn */, { 0x1D53A, 0x1D53A} /* Cn */, 1063 { 0x1D53F, 0x1D53F} /* Cn */, { 0x1D545, 0x1D545} /* Cn */, 1064 { 0x1D547, 0x1D549} /* Cn */, { 0x1D551, 0x1D551} /* Cn */, 1065 { 0x1D6A6, 0x1D6A7} /* Cn */, { 0x1D7CC, 0x1D7CD} /* Cn */, 1066 { 0x1D800, 0x1FFFF} /* Cn */, { 0x2A6D7, 0x2F7FF} /* Cn */, 1067 { 0x2FA1E, 0xE0000} /* Cn */, 1068 { 0xE0001, 0xE0001} /* Cf */, 1069 { 0xE0002, 0xE001F} /* Cn */, 1070 { 0xE0020, 0xE007F} /* Cf */, 1071 { 0xE0080, 0xE00FF} /* Cn */, { 0xE01F0, 0xEFFFF} /* Cn */, 1072 { 0xF0000, 0xFFFFD} /* Co */, 1073 { 0xFFFFE, 0xFFFFF} /* Cn */, 1074 {0x100000,0x10FFFD} /* Co */, 1075 {0x10FFFE,0x10FFFF} /* Cn */, 1076 {0x110000,0x7FFFFFFF} /* ISO 10646?? */ 1077 }; 1078 1079 /* 1080 * Double width characters 1081 * W: East Asian Wide 1082 * F: East Asian Full-width 1083 * Unassigned code points may be included when they allow ranges to be merged. 1084 * Last synched with 1085 * <http://www.unicode.org/Public/5.0.0/ucd/EastAsianWidth-5.0.0d2.txt> 1086 * dated 2005-11-08T01:32:56Z 1087 */ 1088 static struct wchar_range wide_table[] = { 1089 { 0x1100, 0x115F} /* W */, { 0x2329, 0x232A} /* W */, 1090 { 0x2E80, 0x2FFB} /* W */, 1091 { 0x3000, 0x3000} /* F */, 1092 { 0x3001, 0x303E} /* W */, { 0x3041, 0x4DB5} /* W */, 1093 { 0x4E00, 0x9FBB} /* W */, { 0xA000, 0xA4C6} /* W */, 1094 { 0xAC00, 0xD7A3} /* W */, { 0xF900, 0xFAD9} /* W */, 1095 { 0xFE10, 0xFE19} /* W */, { 0xFE30, 0xFE6B} /* W */, 1096 { 0xFF01, 0xFF60} /* F */, { 0xFFE0, 0xFFE6} /* F */, 1097 { 0x20000, 0x2FFFD} /* W */, { 0x30000, 0x3FFFD} /* W */, 1098 }; 1099 1100 static int 1101 is_in_table(ch, table, tsize) 1102 LWCHAR ch; 1103 struct wchar_range table[]; 1104 int tsize; 1105 { 1106 int hi; 1107 int lo; 1108 1109 /* Binary search in the table. */ 1110 if (ch < table[0].first) 1111 return 0; 1112 lo = 0; 1113 hi = tsize - 1; 1114 while (lo <= hi) 1115 { 1116 int mid = (lo + hi) / 2; 1117 if (ch > table[mid].last) 1118 lo = mid + 1; 1119 else if (ch < table[mid].first) 1120 hi = mid - 1; 1121 else 1122 return 1; 1123 } 1124 return 0; 1125 } 1126 1127 /* 1128 * Is a character a UTF-8 composing character? 1129 * If a composing character follows any char, the two combine into one glyph. 1130 */ 1131 public int 1132 is_composing_char(ch) 1133 LWCHAR ch; 1134 { 1135 return is_in_table(ch, comp_table, (sizeof(comp_table) / sizeof(*comp_table))); 1136 } 1137 1138 /* 1139 * Should this UTF-8 character be treated as binary? 1140 */ 1141 public int 1142 is_ubin_char(ch) 1143 LWCHAR ch; 1144 { 1145 return is_in_table(ch, ubin_table, (sizeof(ubin_table) / sizeof(*ubin_table))); 1146 } 1147 1148 /* 1149 * Is this a double width UTF-8 character? 1150 */ 1151 public int 1152 is_wide_char(ch) 1153 LWCHAR ch; 1154 { 1155 return is_in_table(ch, wide_table, (sizeof(wide_table) / sizeof(*wide_table))); 1156 } 1157 1158 /* 1159 * Is a character a UTF-8 combining character? 1160 * A combining char acts like an ordinary char, but if it follows 1161 * a specific char (not any char), the two combine into one glyph. 1162 */ 1163 public int 1164 is_combining_char(ch1, ch2) 1165 LWCHAR ch1; 1166 LWCHAR ch2; 1167 { 1168 /* The table is small; use linear search. */ 1169 int i; 1170 for (i = 0; i < sizeof(comb_table)/sizeof(*comb_table); i++) 1171 { 1172 if (ch1 == comb_table[i].first && 1173 ch2 == comb_table[i].last) 1174 return 1; 1175 } 1176 return 0; 1177 } 1178 1179