1 /* 2 * Copyright (C) 1984-2011 Mark Nudelman 3 * 4 * You may distribute under the terms of either the GNU General Public 5 * License or the Less License, as specified in the README file. 6 * 7 * For more information about less, or for information on how to 8 * contact the author, see the README file. 9 */ 10 11 12 /* 13 * Functions to define the character set 14 * and do things specific to the character set. 15 */ 16 17 #include "less.h" 18 #if HAVE_LOCALE 19 #include <locale.h> 20 #include <ctype.h> 21 #include <langinfo.h> 22 #endif 23 24 #include "charset.h" 25 26 public int utf_mode = 0; 27 28 #if !SMALL 29 /* 30 * Predefined character sets, 31 * selected by the LESSCHARSET environment variable. 32 */ 33 struct charset { 34 char *name; 35 int *p_flag; 36 char *desc; 37 } charsets[] = { 38 { "ascii", NULL, "8bcccbcc18b95.b" }, 39 { "utf-8", &utf_mode, "8bcccbcc18b95.b126.bb" }, 40 { "iso8859", NULL, "8bcccbcc18b95.33b." }, 41 { "latin3", NULL, "8bcccbcc18b95.33b5.b8.b15.b4.b12.b18.b12.b." }, 42 { "arabic", NULL, "8bcccbcc18b95.33b.3b.7b2.13b.3b.b26.5b19.b" }, 43 { "greek", NULL, "8bcccbcc18b95.33b4.2b4.b3.b35.b44.b" }, 44 { "greek2005", NULL, "8bcccbcc18b95.33b14.b35.b44.b" }, 45 { "hebrew", NULL, "8bcccbcc18b95.33b.b29.32b28.2b2.b" }, 46 { "koi8-r", NULL, "8bcccbcc18b95.b." }, 47 { "KOI8-T", NULL, "8bcccbcc18b95.b8.b6.b8.b.b.5b7.3b4.b4.b3.b.b.3b." }, 48 { "georgianps", NULL, "8bcccbcc18b95.3b11.4b12.2b." }, 49 { "tcvn", NULL, "b..b...bcccbccbbb7.8b95.b48.5b." }, 50 { "TIS-620", NULL, "8bcccbcc18b95.b.4b.11b7.8b." }, 51 { "next", NULL, "8bcccbcc18b95.bb125.bb" }, 52 { "dos", NULL, "8bcccbcc12bc5b95.b." }, 53 { "windows-1251", NULL, "8bcccbcc12bc5b95.b24.b." }, 54 { "windows-1252", NULL, "8bcccbcc12bc5b95.b.b11.b.2b12.b." }, 55 { "windows-1255", NULL, "8bcccbcc12bc5b95.b.b8.b.5b9.b.4b." }, 56 { "ebcdic", NULL, "5bc6bcc7bcc41b.9b7.9b5.b..8b6.10b6.b9.7b9.8b8.17b3.3b9.7b9.8b8.6b10.b.b.b." }, 57 { "IBM-1047", NULL, "4cbcbc3b9cbccbccbb4c6bcc5b3cbbc4bc4bccbc191.b" }, 58 { NULL, NULL, NULL } 59 }; 60 61 /* 62 * Support "locale charmap"/nl_langinfo(CODESET) values, as well as others. 63 */ 64 struct cs_alias { 65 char *name; 66 char *oname; 67 } cs_aliases[] = { 68 { "UTF-8", "utf-8" }, 69 { "ANSI_X3.4-1968", "ascii" }, 70 { "US-ASCII", "ascii" }, 71 { "latin1", "iso8859" }, 72 { "ISO-8859-1", "iso8859" }, 73 { "latin9", "iso8859" }, 74 { "ISO-8859-15", "iso8859" }, 75 { "latin2", "iso8859" }, 76 { "ISO-8859-2", "iso8859" }, 77 { "ISO-8859-3", "latin3" }, 78 { "latin4", "iso8859" }, 79 { "ISO-8859-4", "iso8859" }, 80 { "cyrillic", "iso8859" }, 81 { "ISO-8859-5", "iso8859" }, 82 { "ISO-8859-6", "arabic" }, 83 { "ISO-8859-7", "greek" }, 84 { "IBM9005", "greek2005" }, 85 { "ISO-8859-8", "hebrew" }, 86 { "latin5", "iso8859" }, 87 { "ISO-8859-9", "iso8859" }, 88 { "latin6", "iso8859" }, 89 { "ISO-8859-10", "iso8859" }, 90 { "latin7", "iso8859" }, 91 { "ISO-8859-13", "iso8859" }, 92 { "latin8", "iso8859" }, 93 { "ISO-8859-14", "iso8859" }, 94 { "latin10", "iso8859" }, 95 { "ISO-8859-16", "iso8859" }, 96 { "IBM437", "dos" }, 97 { "EBCDIC-US", "ebcdic" }, 98 { "IBM1047", "IBM-1047" }, 99 { "KOI8-R", "koi8-r" }, 100 { "KOI8-U", "koi8-r" }, 101 { "GEORGIAN-PS", "georgianps" }, 102 { "TCVN5712-1", "tcvn" }, 103 { "NEXTSTEP", "next" }, 104 { "windows", "windows-1252" }, /* backward compatibility */ 105 { "CP1251", "windows-1251" }, 106 { "CP1252", "windows-1252" }, 107 { "CP1255", "windows-1255" }, 108 { NULL, NULL } 109 }; 110 111 #define IS_BINARY_CHAR 01 112 #define IS_CONTROL_CHAR 02 113 114 static char chardef[256]; 115 static char *binfmt = NULL; 116 static char *utfbinfmt = NULL; 117 public int binattr = AT_STANDOUT; 118 119 120 /* 121 * Define a charset, given a description string. 122 * The string consists of 256 letters, 123 * one for each character in the charset. 124 * If the string is shorter than 256 letters, missing letters 125 * are taken to be identical to the last one. 126 * A decimal number followed by a letter is taken to be a 127 * repetition of the letter. 128 * 129 * Each letter is one of: 130 * . normal character 131 * b binary character 132 * c control character 133 */ 134 static void 135 ichardef(s) 136 char *s; 137 { 138 register char *cp; 139 register int n; 140 register char v; 141 142 n = 0; 143 v = 0; 144 cp = chardef; 145 while (*s != '\0') 146 { 147 switch (*s++) 148 { 149 case '.': 150 v = 0; 151 break; 152 case 'c': 153 v = IS_CONTROL_CHAR; 154 break; 155 case 'b': 156 v = IS_BINARY_CHAR|IS_CONTROL_CHAR; 157 break; 158 159 case '0': case '1': case '2': case '3': case '4': 160 case '5': case '6': case '7': case '8': case '9': 161 n = (10 * n) + (s[-1] - '0'); 162 continue; 163 164 default: 165 error("invalid chardef", NULL_PARG); 166 quit(QUIT_ERROR); 167 /*NOTREACHED*/ 168 } 169 170 do 171 { 172 if (cp >= chardef + sizeof(chardef)) 173 { 174 error("chardef longer than 256", NULL_PARG); 175 quit(QUIT_ERROR); 176 /*NOTREACHED*/ 177 } 178 *cp++ = v; 179 } while (--n > 0); 180 n = 0; 181 } 182 183 while (cp < chardef + sizeof(chardef)) 184 *cp++ = v; 185 } 186 187 /* 188 * Define a charset, given a charset name. 189 * The valid charset names are listed in the "charsets" array. 190 */ 191 static int 192 icharset(name, no_error) 193 register char *name; 194 int no_error; 195 { 196 register struct charset *p; 197 register struct cs_alias *a; 198 199 if (name == NULL || *name == '\0') 200 return (0); 201 202 /* First see if the name is an alias. */ 203 for (a = cs_aliases; a->name != NULL; a++) 204 { 205 if (strcmp(name, a->name) == 0) 206 { 207 name = a->oname; 208 break; 209 } 210 } 211 212 for (p = charsets; p->name != NULL; p++) 213 { 214 if (strcmp(name, p->name) == 0) 215 { 216 ichardef(p->desc); 217 if (p->p_flag != NULL) 218 *(p->p_flag) = 1; 219 return (1); 220 } 221 } 222 223 if (!no_error) { 224 error("invalid charset name", NULL_PARG); 225 quit(QUIT_ERROR); 226 } 227 return (0); 228 } 229 230 #if HAVE_LOCALE 231 /* 232 * Define a charset, given a locale name. 233 */ 234 static void 235 ilocale() 236 { 237 register int c; 238 239 for (c = 0; c < (int) sizeof(chardef); c++) 240 { 241 if (isprint(c)) 242 chardef[c] = 0; 243 else if (iscntrl(c)) 244 chardef[c] = IS_CONTROL_CHAR; 245 else 246 chardef[c] = IS_BINARY_CHAR|IS_CONTROL_CHAR; 247 } 248 } 249 #endif 250 251 /* 252 * Define the printing format for control (or binary utf) chars. 253 */ 254 static void 255 setbinfmt(s, fmtvarptr, default_fmt) 256 char *s; 257 char **fmtvarptr; 258 char *default_fmt; 259 { 260 if (s && utf_mode) 261 { 262 /* It would be too hard to account for width otherwise. */ 263 char *t = s; 264 while (*t) 265 { 266 if (*t < ' ' || *t > '~') 267 { 268 s = default_fmt; 269 goto attr; 270 } 271 t++; 272 } 273 } 274 275 /* %n is evil */ 276 if (s == NULL || *s == '\0' || 277 (*s == '*' && (s[1] == '\0' || s[2] == '\0' || strchr(s + 2, 'n'))) || 278 (*s != '*' && strchr(s, 'n'))) 279 s = default_fmt; 280 281 /* 282 * Select the attributes if it starts with "*". 283 */ 284 attr: 285 if (*s == '*') 286 { 287 switch (s[1]) 288 { 289 case 'd': binattr = AT_BOLD; break; 290 case 'k': binattr = AT_BLINK; break; 291 case 's': binattr = AT_STANDOUT; break; 292 case 'u': binattr = AT_UNDERLINE; break; 293 default: binattr = AT_NORMAL; break; 294 } 295 s += 2; 296 } 297 *fmtvarptr = s; 298 } 299 300 /* 301 * 302 */ 303 static void 304 set_charset() 305 { 306 char *s; 307 308 /* 309 * See if environment variable LESSCHARSET is defined. 310 */ 311 s = lgetenv("LESSCHARSET"); 312 if (icharset(s, 0)) 313 return; 314 315 /* 316 * LESSCHARSET is not defined: try LESSCHARDEF. 317 */ 318 s = lgetenv("LESSCHARDEF"); 319 if (s != NULL && *s != '\0') 320 { 321 ichardef(s); 322 return; 323 } 324 325 #if HAVE_LOCALE 326 #ifdef CODESET 327 /* 328 * Try using the codeset name as the charset name. 329 */ 330 s = nl_langinfo(CODESET); 331 if (icharset(s, 1)) 332 return; 333 #endif 334 #endif 335 336 #if HAVE_STRSTR 337 /* 338 * Check whether LC_ALL, LC_CTYPE or LANG look like UTF-8 is used. 339 */ 340 if ((s = lgetenv("LC_ALL")) != NULL || 341 (s = lgetenv("LC_CTYPE")) != NULL || 342 (s = lgetenv("LANG")) != NULL) 343 { 344 if ( strstr(s, "UTF-8") != NULL || strstr(s, "utf-8") != NULL 345 || strstr(s, "UTF8") != NULL || strstr(s, "utf8") != NULL) 346 if (icharset("utf-8", 1)) 347 return; 348 } 349 #endif 350 351 #if HAVE_LOCALE 352 /* 353 * Get character definitions from locale functions, 354 * rather than from predefined charset entry. 355 */ 356 ilocale(); 357 #if MSDOS_COMPILER 358 /* 359 * Default to "dos". 360 */ 361 (void) icharset("dos", 1); 362 #else 363 /* 364 * Default to "latin1". 365 */ 366 (void) icharset("latin1", 1); 367 #endif 368 #endif 369 } 370 371 /* 372 * Initialize charset data structures. 373 */ 374 public void 375 init_charset() 376 { 377 char *s; 378 379 #if HAVE_LOCALE 380 setlocale(LC_ALL, ""); 381 #endif 382 383 set_charset(); 384 385 s = lgetenv("LESSBINFMT"); 386 setbinfmt(s, &binfmt, "*s<%02X>"); 387 388 s = lgetenv("LESSUTFBINFMT"); 389 setbinfmt(s, &utfbinfmt, "<U+%04lX>"); 390 } 391 392 /* 393 * Is a given character a "binary" character? 394 */ 395 public int 396 binary_char(c) 397 LWCHAR c; 398 { 399 if (utf_mode) 400 return (is_ubin_char(c)); 401 c &= 0377; 402 return (chardef[c] & IS_BINARY_CHAR); 403 } 404 405 /* 406 * Is a given character a "control" character? 407 */ 408 public int 409 control_char(c) 410 LWCHAR c; 411 { 412 c &= 0377; 413 return (chardef[c] & IS_CONTROL_CHAR); 414 } 415 416 /* 417 * Return the printable form of a character. 418 * For example, in the "ascii" charset '\3' is printed as "^C". 419 */ 420 public char * 421 prchar(c) 422 LWCHAR c; 423 { 424 /* {{ This buffer can be overrun if LESSBINFMT is a long string. }} */ 425 static char buf[32]; 426 427 c &= 0377; 428 if ((c < 128 || !utf_mode) && !control_char(c)) 429 SNPRINTF1(buf, sizeof(buf), "%c", (int) c); 430 else if (c == ESC) 431 strlcpy(buf, "ESC", sizeof(buf)); 432 #if IS_EBCDIC_HOST 433 else if (!binary_char(c) && c < 64) 434 SNPRINTF1(buf, sizeof(buf), "^%c", 435 /* 436 * This array roughly inverts CONTROL() #defined in less.h, 437 * and should be kept in sync with CONTROL() and IBM-1047. 438 */ 439 "@ABC.I.?...KLMNO" 440 "PQRS.JH.XY.." 441 "\\]^_" 442 "......W[.....EFG" 443 "..V....D....TU.Z"[c]); 444 #else 445 else if (c < 128 && !control_char(c ^ 0100)) 446 SNPRINTF1(buf, sizeof(buf), "^%c", (int) (c ^ 0100)); 447 #endif 448 else 449 SNPRINTF1(buf, sizeof(buf), binfmt, c); 450 return (buf); 451 } 452 453 /* 454 * Return the printable form of a UTF-8 character. 455 */ 456 public char * 457 prutfchar(ch) 458 LWCHAR ch; 459 { 460 static char buf[32]; 461 462 if (ch == ESC) 463 strlcpy(buf, "ESC", sizeof(buf)); 464 else if (ch < 128 && control_char(ch)) 465 { 466 if (!control_char(ch ^ 0100)) 467 SNPRINTF1(buf, sizeof(buf), "^%c", ((char) ch) ^ 0100); 468 else 469 SNPRINTF1(buf, sizeof(buf), binfmt, (char) ch); 470 } else if (is_ubin_char(ch)) 471 SNPRINTF1(buf, sizeof(buf), utfbinfmt, ch); 472 else 473 { 474 int len; 475 if (ch >= 0x80000000) 476 { 477 len = 3; 478 ch = 0xFFFD; 479 } else 480 { 481 len = (ch < 0x80) ? 1 482 : (ch < 0x800) ? 2 483 : (ch < 0x10000) ? 3 484 : (ch < 0x200000) ? 4 485 : (ch < 0x4000000) ? 5 486 : 6; 487 } 488 buf[len] = '\0'; 489 if (len == 1) 490 *buf = (char) ch; 491 else 492 { 493 *buf = ((1 << len) - 1) << (8 - len); 494 while (--len > 0) 495 { 496 buf[len] = (char) (0x80 | (ch & 0x3F)); 497 ch >>= 6; 498 } 499 *buf |= ch; 500 } 501 } 502 return (buf); 503 } 504 505 /* 506 * Get the length of a UTF-8 character in bytes. 507 */ 508 public int 509 utf_len(ch) 510 char ch; 511 { 512 if ((ch & 0x80) == 0) 513 return 1; 514 if ((ch & 0xE0) == 0xC0) 515 return 2; 516 if ((ch & 0xF0) == 0xE0) 517 return 3; 518 if ((ch & 0xF8) == 0xF0) 519 return 4; 520 if ((ch & 0xFC) == 0xF8) 521 return 5; 522 if ((ch & 0xFE) == 0xFC) 523 return 6; 524 /* Invalid UTF-8 encoding. */ 525 return 1; 526 } 527 528 /* 529 * Is a UTF-8 character well-formed? 530 */ 531 public int 532 is_utf8_well_formed(s) 533 unsigned char *s; 534 { 535 int i; 536 int len; 537 538 if (IS_UTF8_INVALID(s[0])) 539 return (0); 540 541 len = utf_len((char) s[0]); 542 if (len == 1) 543 return (1); 544 if (len == 2) 545 { 546 if (s[0] < 0xC2) 547 return (0); 548 } else 549 { 550 unsigned char mask; 551 mask = (~((1 << (8-len)) - 1)) & 0xFF; 552 if (s[0] == mask && (s[1] & mask) == 0x80) 553 return (0); 554 } 555 556 for (i = 1; i < len; i++) 557 if (!IS_UTF8_TRAIL(s[i])) 558 return (0); 559 return (1); 560 } 561 562 /* 563 * Get the value of a UTF-8 character. 564 */ 565 public LWCHAR 566 get_wchar(p) 567 char *p; 568 { 569 switch (utf_len(p[0])) 570 { 571 case 1: 572 default: 573 /* 0xxxxxxx */ 574 return (LWCHAR) 575 (p[0] & 0xFF); 576 case 2: 577 /* 110xxxxx 10xxxxxx */ 578 return (LWCHAR) ( 579 ((p[0] & 0x1F) << 6) | 580 (p[1] & 0x3F)); 581 case 3: 582 /* 1110xxxx 10xxxxxx 10xxxxxx */ 583 return (LWCHAR) ( 584 ((p[0] & 0x0F) << 12) | 585 ((p[1] & 0x3F) << 6) | 586 (p[2] & 0x3F)); 587 case 4: 588 /* 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */ 589 return (LWCHAR) ( 590 ((p[0] & 0x07) << 18) | 591 ((p[1] & 0x3F) << 12) | 592 ((p[2] & 0x3F) << 6) | 593 (p[3] & 0x3F)); 594 case 5: 595 /* 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */ 596 return (LWCHAR) ( 597 ((p[0] & 0x03) << 24) | 598 ((p[1] & 0x3F) << 18) | 599 ((p[2] & 0x3F) << 12) | 600 ((p[3] & 0x3F) << 6) | 601 (p[4] & 0x3F)); 602 case 6: 603 /* 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */ 604 return (LWCHAR) ( 605 ((p[0] & 0x01) << 30) | 606 ((p[1] & 0x3F) << 24) | 607 ((p[2] & 0x3F) << 18) | 608 ((p[3] & 0x3F) << 12) | 609 ((p[4] & 0x3F) << 6) | 610 (p[5] & 0x3F)); 611 } 612 } 613 614 /* 615 * Store a character into a UTF-8 string. 616 */ 617 public void 618 put_wchar(pp, ch) 619 char **pp; 620 LWCHAR ch; 621 { 622 if (!utf_mode || ch < 0x80) 623 { 624 /* 0xxxxxxx */ 625 *(*pp)++ = (char) ch; 626 } else if (ch < 0x800) 627 { 628 /* 110xxxxx 10xxxxxx */ 629 *(*pp)++ = (char) (0xC0 | ((ch >> 6) & 0x1F)); 630 *(*pp)++ = (char) (0x80 | (ch & 0x3F)); 631 } else if (ch < 0x10000) 632 { 633 /* 1110xxxx 10xxxxxx 10xxxxxx */ 634 *(*pp)++ = (char) (0xE0 | ((ch >> 12) & 0x0F)); 635 *(*pp)++ = (char) (0x80 | ((ch >> 6) & 0x3F)); 636 *(*pp)++ = (char) (0x80 | (ch & 0x3F)); 637 } else if (ch < 0x200000) 638 { 639 /* 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */ 640 *(*pp)++ = (char) (0xF0 | ((ch >> 18) & 0x07)); 641 *(*pp)++ = (char) (0x80 | ((ch >> 12) & 0x3F)); 642 *(*pp)++ = (char) (0x80 | ((ch >> 6) & 0x3F)); 643 *(*pp)++ = (char) (0x80 | (ch & 0x3F)); 644 } else if (ch < 0x4000000) 645 { 646 /* 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */ 647 *(*pp)++ = (char) (0xF0 | ((ch >> 24) & 0x03)); 648 *(*pp)++ = (char) (0x80 | ((ch >> 18) & 0x3F)); 649 *(*pp)++ = (char) (0x80 | ((ch >> 12) & 0x3F)); 650 *(*pp)++ = (char) (0x80 | ((ch >> 6) & 0x3F)); 651 *(*pp)++ = (char) (0x80 | (ch & 0x3F)); 652 } else 653 { 654 /* 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */ 655 *(*pp)++ = (char) (0xF0 | ((ch >> 30) & 0x01)); 656 *(*pp)++ = (char) (0x80 | ((ch >> 24) & 0x3F)); 657 *(*pp)++ = (char) (0x80 | ((ch >> 18) & 0x3F)); 658 *(*pp)++ = (char) (0x80 | ((ch >> 12) & 0x3F)); 659 *(*pp)++ = (char) (0x80 | ((ch >> 6) & 0x3F)); 660 *(*pp)++ = (char) (0x80 | (ch & 0x3F)); 661 } 662 } 663 664 /* 665 * Step forward or backward one character in a string. 666 */ 667 public LWCHAR 668 step_char(pp, dir, limit) 669 char **pp; 670 signed int dir; 671 char *limit; 672 { 673 LWCHAR ch; 674 int len; 675 char *p = *pp; 676 677 if (!utf_mode) 678 { 679 /* It's easy if chars are one byte. */ 680 if (dir > 0) 681 ch = (LWCHAR) ((p < limit) ? *p++ : 0); 682 else 683 ch = (LWCHAR) ((p > limit) ? *--p : 0); 684 } else if (dir > 0) 685 { 686 len = utf_len(*p); 687 if (p + len > limit) 688 { 689 ch = 0; 690 p = limit; 691 } else 692 { 693 ch = get_wchar(p); 694 p += len; 695 } 696 } else 697 { 698 while (p > limit && IS_UTF8_TRAIL(p[-1])) 699 p--; 700 if (p > limit) 701 ch = get_wchar(--p); 702 else 703 ch = 0; 704 } 705 *pp = p; 706 return ch; 707 } 708 709 /* 710 * Unicode characters data 711 */ 712 struct wchar_range { LWCHAR first, last; }; 713 714 /* 715 * Characters with general category values 716 * Mn: Mark, Nonspacing 717 * Me: Mark, Enclosing 718 * Last synched with 719 * <http://www.unicode.org/Public/5.0.0/ucd/UnicodeData-5.0.0d7.txt> 720 * dated 2005-11-30T00:58:48Z 721 */ 722 static struct wchar_range comp_table[] = { 723 { 0x0300, 0x036F} /* Mn */, { 0x0483, 0x0486} /* Mn */, 724 { 0x0488, 0x0489} /* Me */, 725 { 0x0591, 0x05BD} /* Mn */, { 0x05BF, 0x05BF} /* Mn */, 726 { 0x05C1, 0x05C2} /* Mn */, { 0x05C4, 0x05C5} /* Mn */, 727 { 0x05C7, 0x05C7} /* Mn */, { 0x0610, 0x0615} /* Mn */, 728 { 0x064B, 0x065E} /* Mn */, { 0x0670, 0x0670} /* Mn */, 729 { 0x06D6, 0x06DC} /* Mn */, 730 { 0x06DE, 0x06DE} /* Me */, 731 { 0x06DF, 0x06E4} /* Mn */, { 0x06E7, 0x06E8} /* Mn */, 732 { 0x06EA, 0x06ED} /* Mn */, { 0x0711, 0x0711} /* Mn */, 733 { 0x0730, 0x074A} /* Mn */, { 0x07A6, 0x07B0} /* Mn */, 734 { 0x07EB, 0x07F3} /* Mn */, { 0x0901, 0x0902} /* Mn */, 735 { 0x093C, 0x093C} /* Mn */, { 0x0941, 0x0948} /* Mn */, 736 { 0x094D, 0x094D} /* Mn */, { 0x0951, 0x0954} /* Mn */, 737 { 0x0962, 0x0963} /* Mn */, { 0x0981, 0x0981} /* Mn */, 738 { 0x09BC, 0x09BC} /* Mn */, { 0x09C1, 0x09C4} /* Mn */, 739 { 0x09CD, 0x09CD} /* Mn */, { 0x09E2, 0x09E3} /* Mn */, 740 { 0x0A01, 0x0A02} /* Mn */, { 0x0A3C, 0x0A3C} /* Mn */, 741 { 0x0A41, 0x0A42} /* Mn */, { 0x0A47, 0x0A48} /* Mn */, 742 { 0x0A4B, 0x0A4D} /* Mn */, { 0x0A70, 0x0A71} /* Mn */, 743 { 0x0A81, 0x0A82} /* Mn */, { 0x0ABC, 0x0ABC} /* Mn */, 744 { 0x0AC1, 0x0AC5} /* Mn */, { 0x0AC7, 0x0AC8} /* Mn */, 745 { 0x0ACD, 0x0ACD} /* Mn */, { 0x0AE2, 0x0AE3} /* Mn */, 746 { 0x0B01, 0x0B01} /* Mn */, { 0x0B3C, 0x0B3C} /* Mn */, 747 { 0x0B3F, 0x0B3F} /* Mn */, { 0x0B41, 0x0B43} /* Mn */, 748 { 0x0B4D, 0x0B4D} /* Mn */, { 0x0B56, 0x0B56} /* Mn */, 749 { 0x0B82, 0x0B82} /* Mn */, { 0x0BC0, 0x0BC0} /* Mn */, 750 { 0x0BCD, 0x0BCD} /* Mn */, { 0x0C3E, 0x0C40} /* Mn */, 751 { 0x0C46, 0x0C48} /* Mn */, { 0x0C4A, 0x0C4D} /* Mn */, 752 { 0x0C55, 0x0C56} /* Mn */, { 0x0CBC, 0x0CBC} /* Mn */, 753 { 0x0CBF, 0x0CBF} /* Mn */, { 0x0CC6, 0x0CC6} /* Mn */, 754 { 0x0CCC, 0x0CCD} /* Mn */, { 0x0CE2, 0x0CE3} /* Mn */, 755 { 0x0D41, 0x0D43} /* Mn */, { 0x0D4D, 0x0D4D} /* Mn */, 756 { 0x0DCA, 0x0DCA} /* Mn */, { 0x0DD2, 0x0DD4} /* Mn */, 757 { 0x0DD6, 0x0DD6} /* Mn */, { 0x0E31, 0x0E31} /* Mn */, 758 { 0x0E34, 0x0E3A} /* Mn */, { 0x0E47, 0x0E4E} /* Mn */, 759 { 0x0EB1, 0x0EB1} /* Mn */, { 0x0EB4, 0x0EB9} /* Mn */, 760 { 0x0EBB, 0x0EBC} /* Mn */, { 0x0EC8, 0x0ECD} /* Mn */, 761 { 0x0F18, 0x0F19} /* Mn */, { 0x0F35, 0x0F35} /* Mn */, 762 { 0x0F37, 0x0F37} /* Mn */, { 0x0F39, 0x0F39} /* Mn */, 763 { 0x0F71, 0x0F7E} /* Mn */, { 0x0F80, 0x0F84} /* Mn */, 764 { 0x0F86, 0x0F87} /* Mn */, { 0x0F90, 0x0F97} /* Mn */, 765 { 0x0F99, 0x0FBC} /* Mn */, { 0x0FC6, 0x0FC6} /* Mn */, 766 { 0x102D, 0x1030} /* Mn */, { 0x1032, 0x1032} /* Mn */, 767 { 0x1036, 0x1037} /* Mn */, { 0x1039, 0x1039} /* Mn */, 768 { 0x1058, 0x1059} /* Mn */, { 0x135F, 0x135F} /* Mn */, 769 { 0x1712, 0x1714} /* Mn */, { 0x1732, 0x1734} /* Mn */, 770 { 0x1752, 0x1753} /* Mn */, { 0x1772, 0x1773} /* Mn */, 771 { 0x17B7, 0x17BD} /* Mn */, { 0x17C6, 0x17C6} /* Mn */, 772 { 0x17C9, 0x17D3} /* Mn */, { 0x17DD, 0x17DD} /* Mn */, 773 { 0x180B, 0x180D} /* Mn */, { 0x18A9, 0x18A9} /* Mn */, 774 { 0x1920, 0x1922} /* Mn */, { 0x1927, 0x1928} /* Mn */, 775 { 0x1932, 0x1932} /* Mn */, { 0x1939, 0x193B} /* Mn */, 776 { 0x1A17, 0x1A18} /* Mn */, { 0x1B00, 0x1B03} /* Mn */, 777 { 0x1B34, 0x1B34} /* Mn */, { 0x1B36, 0x1B3A} /* Mn */, 778 { 0x1B3C, 0x1B3C} /* Mn */, { 0x1B42, 0x1B42} /* Mn */, 779 { 0x1B6B, 0x1B73} /* Mn */, { 0x1DC0, 0x1DCA} /* Mn */, 780 { 0x1DFE, 0x1DFF} /* Mn */, { 0x20D0, 0x20DC} /* Mn */, 781 { 0x20DD, 0x20E0} /* Me */, 782 { 0x20E1, 0x20E1} /* Mn */, 783 { 0x20E2, 0x20E4} /* Me */, 784 { 0x20E5, 0x20EF} /* Mn */, { 0x302A, 0x302F} /* Mn */, 785 { 0x3099, 0x309A} /* Mn */, { 0xA806, 0xA806} /* Mn */, 786 { 0xA80B, 0xA80B} /* Mn */, { 0xA825, 0xA826} /* Mn */, 787 { 0xFB1E, 0xFB1E} /* Mn */, { 0xFE00, 0xFE0F} /* Mn */, 788 { 0xFE20, 0xFE23} /* Mn */, { 0x10A01, 0x10A03} /* Mn */, 789 { 0x10A05, 0x10A06} /* Mn */, { 0x10A0C, 0x10A0F} /* Mn */, 790 { 0x10A38, 0x10A3A} /* Mn */, { 0x10A3F, 0x10A3F} /* Mn */, 791 { 0x1D167, 0x1D169} /* Mn */, { 0x1D17B, 0x1D182} /* Mn */, 792 { 0x1D185, 0x1D18B} /* Mn */, { 0x1D1AA, 0x1D1AD} /* Mn */, 793 { 0x1D242, 0x1D244} /* Mn */, { 0xE0100, 0xE01EF} /* Mn */, 794 }; 795 796 /* 797 * Special pairs, not ranges. 798 */ 799 static struct wchar_range comb_table[] = { 800 {0x0644,0x0622}, {0x0644,0x0623}, {0x0644,0x0625}, {0x0644,0x0627}, 801 }; 802 803 /* 804 * Characters with general category values 805 * Cc: Other, Control 806 * Cf: Other, Format 807 * Cs: Other, Surrogate 808 * Co: Other, Private Use 809 * Cn: Other, Not Assigned 810 * Zl: Separator, Line 811 * Zp: Separator, Paragraph 812 * Last synched with 813 * <http://www.unicode.org/Public/5.0.0/ucd/UnicodeData-5.0.0d7.txt> 814 * dated 2005-11-30T00:58:48Z 815 */ 816 static struct wchar_range ubin_table[] = { 817 { 0x0000, 0x0007} /* Cc */, 818 { 0x000B, 0x000C} /* Cc */, 819 { 0x000E, 0x001A} /* Cc */, 820 { 0x001C, 0x001F} /* Cc */, 821 { 0x007F, 0x009F} /* Cc */, 822 #if 0 823 { 0x00AD, 0x00AD} /* Cf */, 824 #endif 825 { 0x0370, 0x0373} /* Cn */, { 0x0376, 0x0379} /* Cn */, 826 { 0x037F, 0x0383} /* Cn */, { 0x038B, 0x038B} /* Cn */, 827 { 0x038D, 0x038D} /* Cn */, { 0x03A2, 0x03A2} /* Cn */, 828 { 0x03CF, 0x03CF} /* Cn */, { 0x0487, 0x0487} /* Cn */, 829 { 0x0514, 0x0530} /* Cn */, { 0x0557, 0x0558} /* Cn */, 830 { 0x0560, 0x0560} /* Cn */, { 0x0588, 0x0588} /* Cn */, 831 { 0x058B, 0x0590} /* Cn */, { 0x05C8, 0x05CF} /* Cn */, 832 { 0x05EB, 0x05EF} /* Cn */, { 0x05F5, 0x05FF} /* Cn */, 833 #if 0 834 { 0x0600, 0x0603} /* Cf */, 835 #endif 836 { 0x0604, 0x060A} /* Cn */, { 0x0616, 0x061A} /* Cn */, 837 { 0x061C, 0x061D} /* Cn */, { 0x0620, 0x0620} /* Cn */, 838 { 0x063B, 0x063F} /* Cn */, { 0x065F, 0x065F} /* Cn */, 839 #if 0 840 { 0x06DD, 0x06DD} /* Cf */, 841 #endif 842 { 0x070E, 0x070E} /* Cn */, 843 #if 0 844 { 0x070F, 0x070F} /* Cf */, 845 #endif 846 { 0x074B, 0x074C} /* Cn */, { 0x076E, 0x077F} /* Cn */, 847 { 0x07B2, 0x07BF} /* Cn */, { 0x07FB, 0x0900} /* Cn */, 848 { 0x093A, 0x093B} /* Cn */, { 0x094E, 0x094F} /* Cn */, 849 { 0x0955, 0x0957} /* Cn */, { 0x0971, 0x097A} /* Cn */, 850 { 0x0980, 0x0980} /* Cn */, { 0x0984, 0x0984} /* Cn */, 851 { 0x098D, 0x098E} /* Cn */, { 0x0991, 0x0992} /* Cn */, 852 { 0x09A9, 0x09A9} /* Cn */, { 0x09B1, 0x09B1} /* Cn */, 853 { 0x09B3, 0x09B5} /* Cn */, { 0x09BA, 0x09BB} /* Cn */, 854 { 0x09C5, 0x09C6} /* Cn */, { 0x09C9, 0x09CA} /* Cn */, 855 { 0x09CF, 0x09D6} /* Cn */, { 0x09D8, 0x09DB} /* Cn */, 856 { 0x09DE, 0x09DE} /* Cn */, { 0x09E4, 0x09E5} /* Cn */, 857 { 0x09FB, 0x0A00} /* Cn */, { 0x0A04, 0x0A04} /* Cn */, 858 { 0x0A0B, 0x0A0E} /* Cn */, { 0x0A11, 0x0A12} /* Cn */, 859 { 0x0A29, 0x0A29} /* Cn */, { 0x0A31, 0x0A31} /* Cn */, 860 { 0x0A34, 0x0A34} /* Cn */, { 0x0A37, 0x0A37} /* Cn */, 861 { 0x0A3A, 0x0A3B} /* Cn */, { 0x0A3D, 0x0A3D} /* Cn */, 862 { 0x0A43, 0x0A46} /* Cn */, { 0x0A49, 0x0A4A} /* Cn */, 863 { 0x0A4E, 0x0A58} /* Cn */, { 0x0A5D, 0x0A5D} /* Cn */, 864 { 0x0A5F, 0x0A65} /* Cn */, { 0x0A75, 0x0A80} /* Cn */, 865 { 0x0A84, 0x0A84} /* Cn */, { 0x0A8E, 0x0A8E} /* Cn */, 866 { 0x0A92, 0x0A92} /* Cn */, { 0x0AA9, 0x0AA9} /* Cn */, 867 { 0x0AB1, 0x0AB1} /* Cn */, { 0x0AB4, 0x0AB4} /* Cn */, 868 { 0x0ABA, 0x0ABB} /* Cn */, { 0x0AC6, 0x0AC6} /* Cn */, 869 { 0x0ACA, 0x0ACA} /* Cn */, { 0x0ACE, 0x0ACF} /* Cn */, 870 { 0x0AD1, 0x0ADF} /* Cn */, { 0x0AE4, 0x0AE5} /* Cn */, 871 { 0x0AF0, 0x0AF0} /* Cn */, { 0x0AF2, 0x0B00} /* Cn */, 872 { 0x0B04, 0x0B04} /* Cn */, { 0x0B0D, 0x0B0E} /* Cn */, 873 { 0x0B11, 0x0B12} /* Cn */, { 0x0B29, 0x0B29} /* Cn */, 874 { 0x0B31, 0x0B31} /* Cn */, { 0x0B34, 0x0B34} /* Cn */, 875 { 0x0B3A, 0x0B3B} /* Cn */, { 0x0B44, 0x0B46} /* Cn */, 876 { 0x0B49, 0x0B4A} /* Cn */, { 0x0B4E, 0x0B55} /* Cn */, 877 { 0x0B58, 0x0B5B} /* Cn */, { 0x0B5E, 0x0B5E} /* Cn */, 878 { 0x0B62, 0x0B65} /* Cn */, { 0x0B72, 0x0B81} /* Cn */, 879 { 0x0B84, 0x0B84} /* Cn */, { 0x0B8B, 0x0B8D} /* Cn */, 880 { 0x0B91, 0x0B91} /* Cn */, { 0x0B96, 0x0B98} /* Cn */, 881 { 0x0B9B, 0x0B9B} /* Cn */, { 0x0B9D, 0x0B9D} /* Cn */, 882 { 0x0BA0, 0x0BA2} /* Cn */, { 0x0BA5, 0x0BA7} /* Cn */, 883 { 0x0BAB, 0x0BAD} /* Cn */, { 0x0BBA, 0x0BBD} /* Cn */, 884 { 0x0BC3, 0x0BC5} /* Cn */, { 0x0BC9, 0x0BC9} /* Cn */, 885 { 0x0BCE, 0x0BD6} /* Cn */, { 0x0BD8, 0x0BE5} /* Cn */, 886 { 0x0BFB, 0x0C00} /* Cn */, { 0x0C04, 0x0C04} /* Cn */, 887 { 0x0C0D, 0x0C0D} /* Cn */, { 0x0C11, 0x0C11} /* Cn */, 888 { 0x0C29, 0x0C29} /* Cn */, { 0x0C34, 0x0C34} /* Cn */, 889 { 0x0C3A, 0x0C3D} /* Cn */, { 0x0C45, 0x0C45} /* Cn */, 890 { 0x0C49, 0x0C49} /* Cn */, { 0x0C4E, 0x0C54} /* Cn */, 891 { 0x0C57, 0x0C5F} /* Cn */, { 0x0C62, 0x0C65} /* Cn */, 892 { 0x0C70, 0x0C81} /* Cn */, { 0x0C84, 0x0C84} /* Cn */, 893 { 0x0C8D, 0x0C8D} /* Cn */, { 0x0C91, 0x0C91} /* Cn */, 894 { 0x0CA9, 0x0CA9} /* Cn */, { 0x0CB4, 0x0CB4} /* Cn */, 895 { 0x0CBA, 0x0CBB} /* Cn */, { 0x0CC5, 0x0CC5} /* Cn */, 896 { 0x0CC9, 0x0CC9} /* Cn */, { 0x0CCE, 0x0CD4} /* Cn */, 897 { 0x0CD7, 0x0CDD} /* Cn */, { 0x0CDF, 0x0CDF} /* Cn */, 898 { 0x0CE4, 0x0CE5} /* Cn */, { 0x0CF0, 0x0CF0} /* Cn */, 899 { 0x0CF3, 0x0D01} /* Cn */, { 0x0D04, 0x0D04} /* Cn */, 900 { 0x0D0D, 0x0D0D} /* Cn */, { 0x0D11, 0x0D11} /* Cn */, 901 { 0x0D29, 0x0D29} /* Cn */, { 0x0D3A, 0x0D3D} /* Cn */, 902 { 0x0D44, 0x0D45} /* Cn */, { 0x0D49, 0x0D49} /* Cn */, 903 { 0x0D4E, 0x0D56} /* Cn */, { 0x0D58, 0x0D5F} /* Cn */, 904 { 0x0D62, 0x0D65} /* Cn */, { 0x0D70, 0x0D81} /* Cn */, 905 { 0x0D84, 0x0D84} /* Cn */, { 0x0D97, 0x0D99} /* Cn */, 906 { 0x0DB2, 0x0DB2} /* Cn */, { 0x0DBC, 0x0DBC} /* Cn */, 907 { 0x0DBE, 0x0DBF} /* Cn */, { 0x0DC7, 0x0DC9} /* Cn */, 908 { 0x0DCB, 0x0DCE} /* Cn */, { 0x0DD5, 0x0DD5} /* Cn */, 909 { 0x0DD7, 0x0DD7} /* Cn */, { 0x0DE0, 0x0DF1} /* Cn */, 910 { 0x0DF5, 0x0E00} /* Cn */, { 0x0E3B, 0x0E3E} /* Cn */, 911 { 0x0E5C, 0x0E80} /* Cn */, { 0x0E83, 0x0E83} /* Cn */, 912 { 0x0E85, 0x0E86} /* Cn */, { 0x0E89, 0x0E89} /* Cn */, 913 { 0x0E8B, 0x0E8C} /* Cn */, { 0x0E8E, 0x0E93} /* Cn */, 914 { 0x0E98, 0x0E98} /* Cn */, { 0x0EA0, 0x0EA0} /* Cn */, 915 { 0x0EA4, 0x0EA4} /* Cn */, { 0x0EA6, 0x0EA6} /* Cn */, 916 { 0x0EA8, 0x0EA9} /* Cn */, { 0x0EAC, 0x0EAC} /* Cn */, 917 { 0x0EBA, 0x0EBA} /* Cn */, { 0x0EBE, 0x0EBF} /* Cn */, 918 { 0x0EC5, 0x0EC5} /* Cn */, { 0x0EC7, 0x0EC7} /* Cn */, 919 { 0x0ECE, 0x0ECF} /* Cn */, { 0x0EDA, 0x0EDB} /* Cn */, 920 { 0x0EDE, 0x0EFF} /* Cn */, { 0x0F48, 0x0F48} /* Cn */, 921 { 0x0F6B, 0x0F70} /* Cn */, { 0x0F8C, 0x0F8F} /* Cn */, 922 { 0x0F98, 0x0F98} /* Cn */, { 0x0FBD, 0x0FBD} /* Cn */, 923 { 0x0FCD, 0x0FCE} /* Cn */, { 0x0FD2, 0x0FFF} /* Cn */, 924 { 0x1022, 0x1022} /* Cn */, { 0x1028, 0x1028} /* Cn */, 925 { 0x102B, 0x102B} /* Cn */, { 0x1033, 0x1035} /* Cn */, 926 { 0x103A, 0x103F} /* Cn */, { 0x105A, 0x109F} /* Cn */, 927 { 0x10C6, 0x10CF} /* Cn */, { 0x10FD, 0x10FF} /* Cn */, 928 { 0x115A, 0x115E} /* Cn */, { 0x11A3, 0x11A7} /* Cn */, 929 { 0x11FA, 0x11FF} /* Cn */, { 0x1249, 0x1249} /* Cn */, 930 { 0x124E, 0x124F} /* Cn */, { 0x1257, 0x1257} /* Cn */, 931 { 0x1259, 0x1259} /* Cn */, { 0x125E, 0x125F} /* Cn */, 932 { 0x1289, 0x1289} /* Cn */, { 0x128E, 0x128F} /* Cn */, 933 { 0x12B1, 0x12B1} /* Cn */, { 0x12B6, 0x12B7} /* Cn */, 934 { 0x12BF, 0x12BF} /* Cn */, { 0x12C1, 0x12C1} /* Cn */, 935 { 0x12C6, 0x12C7} /* Cn */, { 0x12D7, 0x12D7} /* Cn */, 936 { 0x1311, 0x1311} /* Cn */, { 0x1316, 0x1317} /* Cn */, 937 { 0x135B, 0x135E} /* Cn */, { 0x137D, 0x137F} /* Cn */, 938 { 0x139A, 0x139F} /* Cn */, { 0x13F5, 0x1400} /* Cn */, 939 { 0x1677, 0x167F} /* Cn */, { 0x169D, 0x169F} /* Cn */, 940 { 0x16F1, 0x16FF} /* Cn */, { 0x170D, 0x170D} /* Cn */, 941 { 0x1715, 0x171F} /* Cn */, { 0x1737, 0x173F} /* Cn */, 942 { 0x1754, 0x175F} /* Cn */, { 0x176D, 0x176D} /* Cn */, 943 { 0x1771, 0x1771} /* Cn */, { 0x1774, 0x177F} /* Cn */, 944 #if 0 945 { 0x17B4, 0x17B5} /* Cf */, 946 #endif 947 { 0x17DE, 0x17DF} /* Cn */, { 0x17EA, 0x17EF} /* Cn */, 948 { 0x17FA, 0x17FF} /* Cn */, { 0x180F, 0x180F} /* Cn */, 949 { 0x181A, 0x181F} /* Cn */, { 0x1878, 0x187F} /* Cn */, 950 { 0x18AA, 0x18FF} /* Cn */, { 0x191D, 0x191F} /* Cn */, 951 { 0x192C, 0x192F} /* Cn */, { 0x193C, 0x193F} /* Cn */, 952 { 0x1941, 0x1943} /* Cn */, { 0x196E, 0x196F} /* Cn */, 953 { 0x1975, 0x197F} /* Cn */, { 0x19AA, 0x19AF} /* Cn */, 954 { 0x19CA, 0x19CF} /* Cn */, { 0x19DA, 0x19DD} /* Cn */, 955 { 0x1A1C, 0x1A1D} /* Cn */, { 0x1A20, 0x1AFF} /* Cn */, 956 { 0x1B4C, 0x1B4F} /* Cn */, { 0x1B7D, 0x1CFF} /* Cn */, 957 { 0x1DCB, 0x1DFD} /* Cn */, { 0x1E9C, 0x1E9F} /* Cn */, 958 { 0x1EFA, 0x1EFF} /* Cn */, { 0x1F16, 0x1F17} /* Cn */, 959 { 0x1F1E, 0x1F1F} /* Cn */, { 0x1F46, 0x1F47} /* Cn */, 960 { 0x1F4E, 0x1F4F} /* Cn */, { 0x1F58, 0x1F58} /* Cn */, 961 { 0x1F5A, 0x1F5A} /* Cn */, { 0x1F5C, 0x1F5C} /* Cn */, 962 { 0x1F5E, 0x1F5E} /* Cn */, { 0x1F7E, 0x1F7F} /* Cn */, 963 { 0x1FB5, 0x1FB5} /* Cn */, { 0x1FC5, 0x1FC5} /* Cn */, 964 { 0x1FD4, 0x1FD5} /* Cn */, { 0x1FDC, 0x1FDC} /* Cn */, 965 { 0x1FF0, 0x1FF1} /* Cn */, { 0x1FF5, 0x1FF5} /* Cn */, 966 { 0x1FFF, 0x1FFF} /* Cn */, 967 { 0x200B, 0x200F} /* Cf */, 968 { 0x2028, 0x2028} /* Zl */, 969 { 0x2029, 0x2029} /* Zp */, 970 { 0x202A, 0x202E} /* Cf */, 971 { 0x2060, 0x2063} /* Cf */, 972 { 0x2064, 0x2069} /* Cn */, 973 { 0x206A, 0x206F} /* Cf */, 974 { 0x2072, 0x2073} /* Cn */, { 0x208F, 0x208F} /* Cn */, 975 { 0x2095, 0x209F} /* Cn */, { 0x20B6, 0x20CF} /* Cn */, 976 { 0x20F0, 0x20FF} /* Cn */, { 0x214F, 0x2152} /* Cn */, 977 { 0x2185, 0x218F} /* Cn */, { 0x23E8, 0x23FF} /* Cn */, 978 { 0x2427, 0x243F} /* Cn */, { 0x244B, 0x245F} /* Cn */, 979 { 0x269D, 0x269F} /* Cn */, { 0x26B3, 0x2700} /* Cn */, 980 { 0x2705, 0x2705} /* Cn */, { 0x270A, 0x270B} /* Cn */, 981 { 0x2728, 0x2728} /* Cn */, { 0x274C, 0x274C} /* Cn */, 982 { 0x274E, 0x274E} /* Cn */, { 0x2753, 0x2755} /* Cn */, 983 { 0x2757, 0x2757} /* Cn */, { 0x275F, 0x2760} /* Cn */, 984 { 0x2795, 0x2797} /* Cn */, { 0x27B0, 0x27B0} /* Cn */, 985 { 0x27BF, 0x27BF} /* Cn */, { 0x27CB, 0x27CF} /* Cn */, 986 { 0x27EC, 0x27EF} /* Cn */, { 0x2B1B, 0x2B1F} /* Cn */, 987 { 0x2B24, 0x2BFF} /* Cn */, { 0x2C2F, 0x2C2F} /* Cn */, 988 { 0x2C5F, 0x2C5F} /* Cn */, { 0x2C6D, 0x2C73} /* Cn */, 989 { 0x2C78, 0x2C7F} /* Cn */, { 0x2CEB, 0x2CF8} /* Cn */, 990 { 0x2D26, 0x2D2F} /* Cn */, { 0x2D66, 0x2D6E} /* Cn */, 991 { 0x2D70, 0x2D7F} /* Cn */, { 0x2D97, 0x2D9F} /* Cn */, 992 { 0x2DA7, 0x2DA7} /* Cn */, { 0x2DAF, 0x2DAF} /* Cn */, 993 { 0x2DB7, 0x2DB7} /* Cn */, { 0x2DBF, 0x2DBF} /* Cn */, 994 { 0x2DC7, 0x2DC7} /* Cn */, { 0x2DCF, 0x2DCF} /* Cn */, 995 { 0x2DD7, 0x2DD7} /* Cn */, { 0x2DDF, 0x2DFF} /* Cn */, 996 { 0x2E18, 0x2E1B} /* Cn */, { 0x2E1E, 0x2E7F} /* Cn */, 997 { 0x2E9A, 0x2E9A} /* Cn */, { 0x2EF4, 0x2EFF} /* Cn */, 998 { 0x2FD6, 0x2FEF} /* Cn */, { 0x2FFC, 0x2FFF} /* Cn */, 999 { 0x3040, 0x3040} /* Cn */, { 0x3097, 0x3098} /* Cn */, 1000 { 0x3100, 0x3104} /* Cn */, { 0x312D, 0x3130} /* Cn */, 1001 { 0x318F, 0x318F} /* Cn */, { 0x31B8, 0x31BF} /* Cn */, 1002 { 0x31D0, 0x31EF} /* Cn */, { 0x321F, 0x321F} /* Cn */, 1003 { 0x3244, 0x324F} /* Cn */, { 0x32FF, 0x32FF} /* Cn */, 1004 { 0x4DB6, 0x4DBF} /* Cn */, { 0x9FBC, 0x9FFF} /* Cn */, 1005 { 0xA48D, 0xA48F} /* Cn */, { 0xA4C7, 0xA6FF} /* Cn */, 1006 { 0xA71B, 0xA71F} /* Cn */, { 0xA722, 0xA7FF} /* Cn */, 1007 { 0xA82C, 0xA83F} /* Cn */, { 0xA878, 0xABFF} /* Cn */, 1008 { 0xD7A4, 0xD7FF} /* Cn */, 1009 { 0xD800, 0xDFFF} /* Cs */, 1010 { 0xE000, 0xF8FF} /* Co */, 1011 { 0xFA2E, 0xFA2F} /* Cn */, { 0xFA6B, 0xFA6F} /* Cn */, 1012 { 0xFADA, 0xFAFF} /* Cn */, { 0xFB07, 0xFB12} /* Cn */, 1013 { 0xFB18, 0xFB1C} /* Cn */, { 0xFB37, 0xFB37} /* Cn */, 1014 { 0xFB3D, 0xFB3D} /* Cn */, { 0xFB3F, 0xFB3F} /* Cn */, 1015 { 0xFB42, 0xFB42} /* Cn */, { 0xFB45, 0xFB45} /* Cn */, 1016 { 0xFBB2, 0xFBD2} /* Cn */, { 0xFD40, 0xFD4F} /* Cn */, 1017 { 0xFD90, 0xFD91} /* Cn */, { 0xFDC8, 0xFDEF} /* Cn */, 1018 { 0xFDFE, 0xFDFF} /* Cn */, { 0xFE1A, 0xFE1F} /* Cn */, 1019 { 0xFE24, 0xFE2F} /* Cn */, { 0xFE53, 0xFE53} /* Cn */, 1020 { 0xFE67, 0xFE67} /* Cn */, { 0xFE6C, 0xFE6F} /* Cn */, 1021 { 0xFE75, 0xFE75} /* Cn */, { 0xFEFD, 0xFEFE} /* Cn */, 1022 { 0xFEFF, 0xFEFF} /* Cf */, 1023 { 0xFF00, 0xFF00} /* Cn */, { 0xFFBF, 0xFFC1} /* Cn */, 1024 { 0xFFC8, 0xFFC9} /* Cn */, { 0xFFD0, 0xFFD1} /* Cn */, 1025 { 0xFFD8, 0xFFD9} /* Cn */, { 0xFFDD, 0xFFDF} /* Cn */, 1026 { 0xFFE7, 0xFFE7} /* Cn */, { 0xFFEF, 0xFFF8} /* Cn */, 1027 { 0xFFF9, 0xFFFB} /* Cf */, 1028 { 0xFFFE, 0xFFFF} /* Cn */, { 0x1000C, 0x1000C} /* Cn */, 1029 { 0x10027, 0x10027} /* Cn */, { 0x1003B, 0x1003B} /* Cn */, 1030 { 0x1003E, 0x1003E} /* Cn */, { 0x1004E, 0x1004F} /* Cn */, 1031 { 0x1005E, 0x1007F} /* Cn */, { 0x100FB, 0x100FF} /* Cn */, 1032 { 0x10103, 0x10106} /* Cn */, { 0x10134, 0x10136} /* Cn */, 1033 { 0x1018B, 0x102FF} /* Cn */, { 0x1031F, 0x1031F} /* Cn */, 1034 { 0x10324, 0x1032F} /* Cn */, { 0x1034B, 0x1037F} /* Cn */, 1035 { 0x1039E, 0x1039E} /* Cn */, { 0x103C4, 0x103C7} /* Cn */, 1036 { 0x103D6, 0x103FF} /* Cn */, 1037 { 0x1049E, 0x1049F} /* Cn */, { 0x104AA, 0x107FF} /* Cn */, 1038 { 0x10806, 0x10807} /* Cn */, { 0x10809, 0x10809} /* Cn */, 1039 { 0x10836, 0x10836} /* Cn */, { 0x10839, 0x1083B} /* Cn */, 1040 { 0x1083D, 0x1083E} /* Cn */, { 0x10840, 0x108FF} /* Cn */, 1041 { 0x1091A, 0x1091E} /* Cn */, { 0x10920, 0x109FF} /* Cn */, 1042 { 0x10A04, 0x10A04} /* Cn */, { 0x10A07, 0x10A0B} /* Cn */, 1043 { 0x10A14, 0x10A14} /* Cn */, { 0x10A18, 0x10A18} /* Cn */, 1044 { 0x10A34, 0x10A37} /* Cn */, { 0x10A3B, 0x10A3E} /* Cn */, 1045 { 0x10A48, 0x10A4F} /* Cn */, { 0x10A59, 0x11FFF} /* Cn */, 1046 { 0x1236F, 0x123FF} /* Cn */, { 0x12463, 0x1246F} /* Cn */, 1047 { 0x12474, 0x1CFFF} /* Cn */, { 0x1D0F6, 0x1D0FF} /* Cn */, 1048 { 0x1D127, 0x1D129} /* Cn */, 1049 { 0x1D173, 0x1D17A} /* Cf */, 1050 { 0x1D1DE, 0x1D1FF} /* Cn */, { 0x1D246, 0x1D2FF} /* Cn */, 1051 { 0x1D357, 0x1D35F} /* Cn */, { 0x1D372, 0x1D3FF} /* Cn */, 1052 { 0x1D455, 0x1D455} /* Cn */, { 0x1D49D, 0x1D49D} /* Cn */, 1053 { 0x1D4A0, 0x1D4A1} /* Cn */, { 0x1D4A3, 0x1D4A4} /* Cn */, 1054 { 0x1D4A7, 0x1D4A8} /* Cn */, { 0x1D4AD, 0x1D4AD} /* Cn */, 1055 { 0x1D4BA, 0x1D4BA} /* Cn */, { 0x1D4BC, 0x1D4BC} /* Cn */, 1056 { 0x1D4C4, 0x1D4C4} /* Cn */, { 0x1D506, 0x1D506} /* Cn */, 1057 { 0x1D50B, 0x1D50C} /* Cn */, { 0x1D515, 0x1D515} /* Cn */, 1058 { 0x1D51D, 0x1D51D} /* Cn */, { 0x1D53A, 0x1D53A} /* Cn */, 1059 { 0x1D53F, 0x1D53F} /* Cn */, { 0x1D545, 0x1D545} /* Cn */, 1060 { 0x1D547, 0x1D549} /* Cn */, { 0x1D551, 0x1D551} /* Cn */, 1061 { 0x1D6A6, 0x1D6A7} /* Cn */, { 0x1D7CC, 0x1D7CD} /* Cn */, 1062 { 0x1D800, 0x1FFFF} /* Cn */, { 0x2A6D7, 0x2F7FF} /* Cn */, 1063 { 0x2FA1E, 0xE0000} /* Cn */, 1064 { 0xE0001, 0xE0001} /* Cf */, 1065 { 0xE0002, 0xE001F} /* Cn */, 1066 { 0xE0020, 0xE007F} /* Cf */, 1067 { 0xE0080, 0xE00FF} /* Cn */, { 0xE01F0, 0xEFFFF} /* Cn */, 1068 { 0xF0000, 0xFFFFD} /* Co */, 1069 { 0xFFFFE, 0xFFFFF} /* Cn */, 1070 {0x100000,0x10FFFD} /* Co */, 1071 {0x10FFFE,0x10FFFF} /* Cn */, 1072 {0x110000,0x7FFFFFFF} /* ISO 10646?? */ 1073 }; 1074 1075 /* 1076 * Double width characters 1077 * W: East Asian Wide 1078 * F: East Asian Full-width 1079 * Unassigned code points may be included when they allow ranges to be merged. 1080 * Last synched with 1081 * <http://www.unicode.org/Public/5.0.0/ucd/EastAsianWidth-5.0.0d2.txt> 1082 * dated 2005-11-08T01:32:56Z 1083 */ 1084 static struct wchar_range wide_table[] = { 1085 { 0x1100, 0x115F} /* W */, { 0x2329, 0x232A} /* W */, 1086 { 0x2E80, 0x2FFB} /* W */, 1087 { 0x3000, 0x3000} /* F */, 1088 { 0x3001, 0x303E} /* W */, { 0x3041, 0x4DB5} /* W */, 1089 { 0x4E00, 0x9FBB} /* W */, { 0xA000, 0xA4C6} /* W */, 1090 { 0xAC00, 0xD7A3} /* W */, { 0xF900, 0xFAD9} /* W */, 1091 { 0xFE10, 0xFE19} /* W */, { 0xFE30, 0xFE6B} /* W */, 1092 { 0xFF01, 0xFF60} /* F */, { 0xFFE0, 0xFFE6} /* F */, 1093 { 0x20000, 0x2FFFD} /* W */, { 0x30000, 0x3FFFD} /* W */, 1094 }; 1095 1096 static int 1097 is_in_table(ch, table, tsize) 1098 LWCHAR ch; 1099 struct wchar_range table[]; 1100 int tsize; 1101 { 1102 int hi; 1103 int lo; 1104 1105 /* Binary search in the table. */ 1106 if (ch < table[0].first) 1107 return 0; 1108 lo = 0; 1109 hi = tsize - 1; 1110 while (lo <= hi) 1111 { 1112 int mid = (lo + hi) / 2; 1113 if (ch > table[mid].last) 1114 lo = mid + 1; 1115 else if (ch < table[mid].first) 1116 hi = mid - 1; 1117 else 1118 return 1; 1119 } 1120 return 0; 1121 } 1122 1123 /* 1124 * Is a character a UTF-8 composing character? 1125 * If a composing character follows any char, the two combine into one glyph. 1126 */ 1127 public int 1128 is_composing_char(ch) 1129 LWCHAR ch; 1130 { 1131 return is_in_table(ch, comp_table, (sizeof(comp_table) / sizeof(*comp_table))); 1132 } 1133 1134 /* 1135 * Should this UTF-8 character be treated as binary? 1136 */ 1137 public int 1138 is_ubin_char(ch) 1139 LWCHAR ch; 1140 { 1141 return is_in_table(ch, ubin_table, (sizeof(ubin_table) / sizeof(*ubin_table))); 1142 } 1143 1144 /* 1145 * Is this a double width UTF-8 character? 1146 */ 1147 public int 1148 is_wide_char(ch) 1149 LWCHAR ch; 1150 { 1151 return is_in_table(ch, wide_table, (sizeof(wide_table) / sizeof(*wide_table))); 1152 } 1153 1154 /* 1155 * Is a character a UTF-8 combining character? 1156 * A combining char acts like an ordinary char, but if it follows 1157 * a specific char (not any char), the two combine into one glyph. 1158 */ 1159 public int 1160 is_combining_char(ch1, ch2) 1161 LWCHAR ch1; 1162 LWCHAR ch2; 1163 { 1164 /* The table is small; use linear search. */ 1165 int i; 1166 for (i = 0; i < sizeof(comb_table)/sizeof(*comb_table); i++) 1167 { 1168 if (ch1 == comb_table[i].first && 1169 ch2 == comb_table[i].last) 1170 return 1; 1171 } 1172 return 0; 1173 } 1174 1175 #else /* !SMALL */ 1176 1177 public int binattr = AT_STANDOUT; 1178 1179 public void 1180 init_charset() 1181 { 1182 return; 1183 } 1184 1185 /* 1186 * Is a given character a "binary" character? 1187 */ 1188 public int 1189 binary_char(c) 1190 LWCHAR c; 1191 { 1192 return (!isprint(c) && !isspace(c)); 1193 } 1194 1195 /* 1196 * Is a given character a "control" character? 1197 */ 1198 public int 1199 control_char(c) 1200 LWCHAR c; 1201 { 1202 return (iscntrl(c)); 1203 } 1204 1205 /* 1206 * Return the printable form of a character. 1207 * For example, in the "ascii" charset '\3' is printed as "^C". 1208 */ 1209 public char * 1210 prchar(c) 1211 LWCHAR c; 1212 { 1213 static char buf[8]; 1214 1215 c &= 0377; 1216 if (!iscntrl(c)) 1217 snprintf(buf, sizeof(buf), "%c", c); 1218 else if (c == ESC) 1219 strlcpy(buf, "ESC", sizeof(buf)); 1220 else if (c < 128 && !iscntrl(c ^ 0100)) 1221 snprintf(buf, sizeof(buf), "^%c", c ^ 0100); 1222 else 1223 snprintf(buf, sizeof(buf), "*s<%X>", c); 1224 return (buf); 1225 } 1226 1227 /* 1228 * Step forward or backward one character in a string. 1229 */ 1230 public LWCHAR 1231 step_char(pp, dir, limit) 1232 char **pp; 1233 signed int dir; 1234 char *limit; 1235 { 1236 LWCHAR ch; 1237 int len; 1238 char *p = *pp; 1239 1240 /* It's easy if chars are one byte. */ 1241 if (dir > 0) 1242 ch = (LWCHAR) ((p < limit) ? *p++ : 0); 1243 else 1244 ch = (LWCHAR) ((p > limit) ? *--p : 0); 1245 1246 *pp = p; 1247 return ch; 1248 } 1249 1250 #endif /* !SMALL */ 1251