Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 | 78x 31x 25x 93x 93x 93x 53x 40x 33x 33x 7x 5x 20x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 10x 1x 26x 8x 8x 2x 6x 14x 14x 1x 5x 6x 3x 3x 1x 3x 1x 4x 2x 1x 1x 9x 5x 5x 1x 15x 3x 12x 12x 12x 12x 15x 12x 1x 15x 4x 11x 11x 11x 11x 11x 11x 23x 23x 9x 14x 2x 12x 9x 1x 1x 16x 11x 1x 10x 3x 10x 5x 3x 5x 3x 10x 10x 1x 10x 9x 10x 1x 10x 10x 1x 1x 12x 1x 1x 1x 13x 9x 12x 12x 2x 7x 15x 8x 38x 38x 7x 1x 1x 44x 14x 30x 14x 16x 14x 14x 14x 14x 14x 7x 7x 7x 1x 36x 44x 44x 82x 82x 82x 40x 42x 42x 11x 31x 11x 20x 6x 14x 24x 24x 24x 4x 20x 4x 16x 1x 110x 1x 64x 1x 8x 1x 20x 20x 1x 19x 1x 1x 1x 25x 1x 2x 1x 2x 1x 25x 25x 2x 2x 2x 23x 1x 1x 1x 1x 11x 11x 11x 11x 12x 12x 12x 4x 8x 3x 5x 4x 1x 11x 11x 11x 11x 12x 12x 12x 4x 8x 3x 3x 5x 4x 4x 4x 1x 1x 1x 1x 11x 1x 11x 11x 11x 11x 12x 12x 12x 1x 11x 4x 7x 3x 4x 12x 11x 1x 1x 1x 1x 1x 1x 11x 1x 7x 1x 14x 1x 13x 1x 1x 1x 1x 1x 1x 8x 2x 6x 6x 6x 27x 5x 22x 22x 6x 1x 1x 11x 1x 5x 1x 8x 1x 7x 1x 6x 6x 6x 6x 6x 11x 11x 2x 9x 9x 4x 30x 17x 2x 15x 4x 15x 1x 5x 9x 8x 1x 7x 7x 10x 10x 7x 4x 3x 3x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 11x 6x 5x 4x 1x 1x | import { GraphemeBreakType } from "./GraphemeBreakType";
import { CharCode } from "@mappingo/chars/main/chars/CharCode";
import { Constants } from "@mappingo/chars/main/chars/Constants";
import { RegExpOptions } from "./RegExpOptions";
/**
* @private
* @param code
*/
function isAsciiLetter(code: number): boolean {
return StringsHelper.isLowerAsciiLetter(code) || StringsHelper.isUpperAsciiLetter(code);
}
/**
* @private
* @param a
* @param b
* @param stopAt
*/
function doEqualsIgnoreCase(a: string, b: string, stopAt = a.length): boolean {
for (let i = 0; i < stopAt; i++) {
const codeA = a.charCodeAt(i);
const codeB = b.charCodeAt(i);
if (codeA === codeB) {
continue;
}
// a-z A-Z
if (isAsciiLetter(codeA) && isAsciiLetter(codeB)) {
const diff = Math.abs(codeA - codeB);
Iif (diff !== 0 && diff !== 32) {
return false;
}
}
// Any other charcode
else {
if (String.fromCharCode(codeA).toLowerCase() !== String.fromCharCode(codeB).toLowerCase()) {
return false;
}
}
}
return true;
}
/**
* @private
* get the code point that ends right before offset `offset`
*/
function getPrevCodePoint(str: string, offset: number): number {
const charCode = str.charCodeAt(offset - 1);
if (StringsHelper.isLowSurrogate(charCode) && offset > 1) {
const prevCharCode = str.charCodeAt(offset - 2);
if (StringsHelper.isHighSurrogate(prevCharCode)) {
return StringsHelper.computeCodePoint(prevCharCode, charCode);
}
}
return charCode;
}
/**
* @private
* @param str
* @param offset
*/
function _getCharContainingOffset(str: string, offset: number): [number, number] {
const graphemeBreakTree = GraphemeBreakTree.getInstance();
const len = str.length;
const initialOffset = offset;
const initialCodePoint = StringsHelper.getNextCodePoint(str, len, offset);
const initialGraphemeBreakType = graphemeBreakTree.getGraphemeBreakType(initialCodePoint);
offset += (initialCodePoint >= Constants.UNICODE_SUPPLEMENTARY_PLANE_BEGIN ? 2 : 1);
// extend to the right
let graphemeBreakType = initialGraphemeBreakType;
while (offset < len) {
const nextCodePoint = StringsHelper.getNextCodePoint(str, len, offset);
const nextGraphemeBreakType = graphemeBreakTree.getGraphemeBreakType(nextCodePoint);
if (StringsHelper.breakBetweenGraphemeBreakType(graphemeBreakType, nextGraphemeBreakType)) {
break;
}
offset += (nextCodePoint >= Constants.UNICODE_SUPPLEMENTARY_PLANE_BEGIN ? 2 : 1);
graphemeBreakType = nextGraphemeBreakType;
}
const endOffset = offset;
// extend to the left
offset = initialOffset;
graphemeBreakType = initialGraphemeBreakType;
while (offset > 0) {
const prevCodePoint = getPrevCodePoint(str, offset);
const prevGraphemeBreakType = graphemeBreakTree.getGraphemeBreakType(prevCodePoint);
if (StringsHelper.breakBetweenGraphemeBreakType(prevGraphemeBreakType, graphemeBreakType)) {
break;
}
offset -= (prevCodePoint >= Constants.UNICODE_SUPPLEMENTARY_PLANE_BEGIN ? 2 : 1);
graphemeBreakType = prevGraphemeBreakType;
}
return [offset, endOffset];
}
/**
* @private
* Generated using https://github.com/alexdima/unicode-utils/blob/master/generate-rtl-test.js
*/
const CONTAINS_RTL = /(?:[\u05BE\u05C0\u05C3\u05C6\u05D0-\u05F4\u0608\u060B\u060D\u061B-\u064A\u066D-\u066F\u0671-\u06D5\u06E5\u06E6\u06EE\u06EF\u06FA-\u0710\u0712-\u072F\u074D-\u07A5\u07B1-\u07EA\u07F4\u07F5\u07FA-\u0815\u081A\u0824\u0828\u0830-\u0858\u085E-\u08BD\u200F\uFB1D\uFB1F-\uFB28\uFB2A-\uFD3D\uFD50-\uFDFC\uFE70-\uFEFC]|\uD802[\uDC00-\uDD1B\uDD20-\uDE00\uDE10-\uDE33\uDE40-\uDEE4\uDEEB-\uDF35\uDF40-\uDFFF]|\uD803[\uDC00-\uDCFF]|\uD83A[\uDC00-\uDCCF\uDD00-\uDD43\uDD50-\uDFFF]|\uD83B[\uDC00-\uDEBB])/;
/**
* @private
* Generated using https://github.com/alexdima/unicode-utils/blob/master/generate-emoji-test.js
*/
const CONTAINS_EMOJI = /(?:[\u231A\u231B\u23F0\u23F3\u2600-\u27BF\u2B50\u2B55]|\uD83C[\uDDE6-\uDDFF\uDF00-\uDFFF]|\uD83D[\uDC00-\uDE4F\uDE80-\uDEFC\uDFE0-\uDFEB]|\uD83E[\uDD00-\uDDFF\uDE70-\uDED6])/;
/**
* @private
*/
const IS_BASIC_ASCII = /^[\t\n\r\x20-\x7E]*$/;
// Escape codes
// http://en.wikipedia.org/wiki/ANSI_escape_code
/**
* @private
*/
const EL = /\x1B\x5B[12]?K/g; // Erase in line
/**
* @private
*/
const COLOR_START = /\x1b\[\d+m/g; // Color
/**
* @private
*/
const COLOR_END = /\x1b\[0?m/g; // Color
/**
* @private
*/
function getGraphemeBreakRawData(): number[] {
// generated using https://github.com/alexdima/unicode-utils/blob/master/generate-grapheme-break.js
return JSON.parse('[0,0,0,51592,51592,11,44424,44424,11,72251,72254,5,7150,7150,7,48008,48008,11,55176,55176,11,128420,128420,14,3276,3277,5,9979,9980,14,46216,46216,11,49800,49800,11,53384,53384,11,70726,70726,5,122915,122916,5,129320,129327,14,2558,2558,5,5906,5908,5,9762,9763,14,43360,43388,8,45320,45320,11,47112,47112,11,48904,48904,11,50696,50696,11,52488,52488,11,54280,54280,11,70082,70083,1,71350,71350,7,73111,73111,5,127892,127893,14,128726,128727,14,129473,129474,14,2027,2035,5,2901,2902,5,3784,3789,5,6754,6754,5,8418,8420,5,9877,9877,14,11088,11088,14,44008,44008,5,44872,44872,11,45768,45768,11,46664,46664,11,47560,47560,11,48456,48456,11,49352,49352,11,50248,50248,11,51144,51144,11,52040,52040,11,52936,52936,11,53832,53832,11,54728,54728,11,69811,69814,5,70459,70460,5,71096,71099,7,71998,71998,5,72874,72880,5,119149,119149,7,127374,127374,14,128335,128335,14,128482,128482,14,128765,128767,14,129399,129400,14,129680,129685,14,1476,1477,5,2377,2380,7,2759,2760,5,3137,3140,7,3458,3459,7,4153,4154,5,6432,6434,5,6978,6978,5,7675,7679,5,9723,9726,14,9823,9823,14,9919,9923,14,10035,10036,14,42736,42737,5,43596,43596,5,44200,44200,11,44648,44648,11,45096,45096,11,45544,45544,11,45992,45992,11,46440,46440,11,46888,46888,11,47336,47336,11,47784,47784,11,48232,48232,11,48680,48680,11,49128,49128,11,49576,49576,11,50024,50024,11,50472,50472,11,50920,50920,11,51368,51368,11,51816,51816,11,52264,52264,11,52712,52712,11,53160,53160,11,53608,53608,11,54056,54056,11,54504,54504,11,54952,54952,11,68108,68111,5,69933,69940,5,70197,70197,7,70498,70499,7,70845,70845,5,71229,71229,5,71727,71735,5,72154,72155,5,72344,72345,5,73023,73029,5,94095,94098,5,121403,121452,5,126981,127182,14,127538,127546,14,127990,127990,14,128391,128391,14,128445,128449,14,128500,128505,14,128752,128752,14,129160,129167,14,129356,129356,14,129432,129442,14,129648,129651,14,129751,131069,14,173,173,4,1757,1757,1,2274,2274,1,2494,2494,5,2641,2641,5,2876,2876,5,3014,3016,7,3262,3262,7,3393,3396,5,3570,3571,7,3968,3972,5,4228,4228,7,6086,6086,5,6679,6680,5,6912,6915,5,7080,7081,5,7380,7392,5,8252,8252,14,9096,9096,14,9748,9749,14,9784,9786,14,9833,9850,14,9890,9894,14,9938,9938,14,9999,9999,14,10085,10087,14,12349,12349,14,43136,43137,7,43454,43456,7,43755,43755,7,44088,44088,11,44312,44312,11,44536,44536,11,44760,44760,11,44984,44984,11,45208,45208,11,45432,45432,11,45656,45656,11,45880,45880,11,46104,46104,11,46328,46328,11,46552,46552,11,46776,46776,11,47000,47000,11,47224,47224,11,47448,47448,11,47672,47672,11,47896,47896,11,48120,48120,11,48344,48344,11,48568,48568,11,48792,48792,11,49016,49016,11,49240,49240,11,49464,49464,11,49688,49688,11,49912,49912,11,50136,50136,11,50360,50360,11,50584,50584,11,50808,50808,11,51032,51032,11,51256,51256,11,51480,51480,11,51704,51704,11,51928,51928,11,52152,52152,11,52376,52376,11,52600,52600,11,52824,52824,11,53048,53048,11,53272,53272,11,53496,53496,11,53720,53720,11,53944,53944,11,54168,54168,11,54392,54392,11,54616,54616,11,54840,54840,11,55064,55064,11,65438,65439,5,69633,69633,5,69837,69837,1,70018,70018,7,70188,70190,7,70368,70370,7,70465,70468,7,70712,70719,5,70835,70840,5,70850,70851,5,71132,71133,5,71340,71340,7,71458,71461,5,71985,71989,7,72002,72002,7,72193,72202,5,72281,72283,5,72766,72766,7,72885,72886,5,73104,73105,5,92912,92916,5,113824,113827,4,119173,119179,5,121505,121519,5,125136,125142,5,127279,127279,14,127489,127490,14,127570,127743,14,127900,127901,14,128254,128254,14,128369,128370,14,128400,128400,14,128425,128432,14,128468,128475,14,128489,128494,14,128715,128720,14,128745,128745,14,128759,128760,14,129004,129023,14,129296,129304,14,129340,129342,14,129388,129392,14,129404,129407,14,129454,129455,14,129485,129487,14,129659,129663,14,129719,129727,14,917536,917631,5,13,13,2,1160,1161,5,1564,1564,4,1807,1807,1,2085,2087,5,2363,2363,7,2402,2403,5,2507,2508,7,2622,2624,7,2691,2691,7,2786,2787,5,2881,2884,5,3006,3006,5,3072,3072,5,3170,3171,5,3267,3268,7,3330,3331,7,3406,3406,1,3538,3540,5,3655,3662,5,3897,3897,5,4038,4038,5,4184,4185,5,4352,4447,8,6068,6069,5,6155,6157,5,6448,6449,7,6742,6742,5,6783,6783,5,6966,6970,5,7042,7042,7,7143,7143,7,7212,7219,5,7412,7412,5,8206,8207,4,8294,8303,4,8596,8601,14,9410,9410,14,9742,9742,14,9757,9757,14,9770,9770,14,9794,9794,14,9828,9828,14,9855,9855,14,9882,9882,14,9900,9903,14,9929,9933,14,9963,9967,14,9987,9988,14,10006,10006,14,10062,10062,14,10175,10175,14,11744,11775,5,42607,42607,5,43043,43044,7,43263,43263,5,43444,43445,7,43569,43570,5,43698,43700,5,43766,43766,5,44032,44032,11,44144,44144,11,44256,44256,11,44368,44368,11,44480,44480,11,44592,44592,11,44704,44704,11,44816,44816,11,44928,44928,11,45040,45040,11,45152,45152,11,45264,45264,11,45376,45376,11,45488,45488,11,45600,45600,11,45712,45712,11,45824,45824,11,45936,45936,11,46048,46048,11,46160,46160,11,46272,46272,11,46384,46384,11,46496,46496,11,46608,46608,11,46720,46720,11,46832,46832,11,46944,46944,11,47056,47056,11,47168,47168,11,47280,47280,11,47392,47392,11,47504,47504,11,47616,47616,11,47728,47728,11,47840,47840,11,47952,47952,11,48064,48064,11,48176,48176,11,48288,48288,11,48400,48400,11,48512,48512,11,48624,48624,11,48736,48736,11,48848,48848,11,48960,48960,11,49072,49072,11,49184,49184,11,49296,49296,11,49408,49408,11,49520,49520,11,49632,49632,11,49744,49744,11,49856,49856,11,49968,49968,11,50080,50080,11,50192,50192,11,50304,50304,11,50416,50416,11,50528,50528,11,50640,50640,11,50752,50752,11,50864,50864,11,50976,50976,11,51088,51088,11,51200,51200,11,51312,51312,11,51424,51424,11,51536,51536,11,51648,51648,11,51760,51760,11,51872,51872,11,51984,51984,11,52096,52096,11,52208,52208,11,52320,52320,11,52432,52432,11,52544,52544,11,52656,52656,11,52768,52768,11,52880,52880,11,52992,52992,11,53104,53104,11,53216,53216,11,53328,53328,11,53440,53440,11,53552,53552,11,53664,53664,11,53776,53776,11,53888,53888,11,54000,54000,11,54112,54112,11,54224,54224,11,54336,54336,11,54448,54448,11,54560,54560,11,54672,54672,11,54784,54784,11,54896,54896,11,55008,55008,11,55120,55120,11,64286,64286,5,66272,66272,5,68900,68903,5,69762,69762,7,69817,69818,5,69927,69931,5,70003,70003,5,70070,70078,5,70094,70094,7,70194,70195,7,70206,70206,5,70400,70401,5,70463,70463,7,70475,70477,7,70512,70516,5,70722,70724,5,70832,70832,5,70842,70842,5,70847,70848,5,71088,71089,7,71102,71102,7,71219,71226,5,71231,71232,5,71342,71343,7,71453,71455,5,71463,71467,5,71737,71738,5,71995,71996,5,72000,72000,7,72145,72147,7,72160,72160,5,72249,72249,7,72273,72278,5,72330,72342,5,72752,72758,5,72850,72871,5,72882,72883,5,73018,73018,5,73031,73031,5,73109,73109,5,73461,73462,7,94031,94031,5,94192,94193,7,119142,119142,7,119155,119162,4,119362,119364,5,121476,121476,5,122888,122904,5,123184,123190,5,126976,126979,14,127184,127231,14,127344,127345,14,127405,127461,14,127514,127514,14,127561,127567,14,127778,127779,14,127896,127896,14,127985,127986,14,127995,127999,5,128326,128328,14,128360,128366,14,128378,128378,14,128394,128397,14,128405,128406,14,128422,128423,14,128435,128443,14,128453,128464,14,128479,128480,14,128484,128487,14,128496,128498,14,128640,128709,14,128723,128724,14,128736,128741,14,128747,128748,14,128755,128755,14,128762,128762,14,128981,128991,14,129096,129103,14,129292,129292,14,129311,129311,14,129329,129330,14,129344,129349,14,129360,129374,14,129394,129394,14,129402,129402,14,129413,129425,14,129445,129450,14,129466,129471,14,129483,129483,14,129511,129535,14,129653,129655,14,129667,129670,14,129705,129711,14,129731,129743,14,917505,917505,4,917760,917999,5,10,10,3,127,159,4,768,879,5,1471,1471,5,1536,1541,1,1648,1648,5,1767,1768,5,1840,1866,5,2070,2073,5,2137,2139,5,2307,2307,7,2366,2368,7,2382,2383,7,2434,2435,7,2497,2500,5,2519,2519,5,2563,2563,7,2631,2632,5,2677,2677,5,2750,2752,7,2763,2764,7,2817,2817,5,2879,2879,5,2891,2892,7,2914,2915,5,3008,3008,5,3021,3021,5,3076,3076,5,3146,3149,5,3202,3203,7,3264,3265,7,3271,3272,7,3298,3299,5,3390,3390,5,3402,3404,7,3426,3427,5,3535,3535,5,3544,3550,7,3635,3635,7,3763,3763,7,3893,3893,5,3953,3966,5,3981,3991,5,4145,4145,7,4157,4158,5,4209,4212,5,4237,4237,5,4520,4607,10,5970,5971,5,6071,6077,5,6089,6099,5,6277,6278,5,6439,6440,5,6451,6456,7,6683,6683,5,6744,6750,5,6765,6770,7,6846,6846,5,6964,6964,5,6972,6972,5,7019,7027,5,7074,7077,5,7083,7085,5,7146,7148,7,7154,7155,7,7222,7223,5,7394,7400,5,7416,7417,5,8204,8204,5,8233,8233,4,8288,8292,4,8413,8416,5,8482,8482,14,8986,8987,14,9193,9203,14,9654,9654,14,9733,9733,14,9745,9745,14,9752,9752,14,9760,9760,14,9766,9766,14,9774,9775,14,9792,9792,14,9800,9811,14,9825,9826,14,9831,9831,14,9852,9853,14,9872,9873,14,9880,9880,14,9885,9887,14,9896,9897,14,9906,9916,14,9926,9927,14,9936,9936,14,9941,9960,14,9974,9974,14,9982,9985,14,9992,9997,14,10002,10002,14,10017,10017,14,10055,10055,14,10071,10071,14,10145,10145,14,11013,11015,14,11503,11505,5,12334,12335,5,12951,12951,14,42612,42621,5,43014,43014,5,43047,43047,7,43204,43205,5,43335,43345,5,43395,43395,7,43450,43451,7,43561,43566,5,43573,43574,5,43644,43644,5,43710,43711,5,43758,43759,7,44005,44005,5,44012,44012,7,44060,44060,11,44116,44116,11,44172,44172,11,44228,44228,11,44284,44284,11,44340,44340,11,44396,44396,11,44452,44452,11,44508,44508,11,44564,44564,11,44620,44620,11,44676,44676,11,44732,44732,11,44788,44788,11,44844,44844,11,44900,44900,11,44956,44956,11,45012,45012,11,45068,45068,11,45124,45124,11,45180,45180,11,45236,45236,11,45292,45292,11,45348,45348,11,45404,45404,11,45460,45460,11,45516,45516,11,45572,45572,11,45628,45628,11,45684,45684,11,45740,45740,11,45796,45796,11,45852,45852,11,45908,45908,11,45964,45964,11,46020,46020,11,46076,46076,11,46132,46132,11,46188,46188,11,46244,46244,11,46300,46300,11,46356,46356,11,46412,46412,11,46468,46468,11,46524,46524,11,46580,46580,11,46636,46636,11,46692,46692,11,46748,46748,11,46804,46804,11,46860,46860,11,46916,46916,11,46972,46972,11,47028,47028,11,47084,47084,11,47140,47140,11,47196,47196,11,47252,47252,11,47308,47308,11,47364,47364,11,47420,47420,11,47476,47476,11,47532,47532,11,47588,47588,11,47644,47644,11,47700,47700,11,47756,47756,11,47812,47812,11,47868,47868,11,47924,47924,11,47980,47980,11,48036,48036,11,48092,48092,11,48148,48148,11,48204,48204,11,48260,48260,11,48316,48316,11,48372,48372,11,48428,48428,11,48484,48484,11,48540,48540,11,48596,48596,11,48652,48652,11,48708,48708,11,48764,48764,11,48820,48820,11,48876,48876,11,48932,48932,11,48988,48988,11,49044,49044,11,49100,49100,11,49156,49156,11,49212,49212,11,49268,49268,11,49324,49324,11,49380,49380,11,49436,49436,11,49492,49492,11,49548,49548,11,49604,49604,11,49660,49660,11,49716,49716,11,49772,49772,11,49828,49828,11,49884,49884,11,49940,49940,11,49996,49996,11,50052,50052,11,50108,50108,11,50164,50164,11,50220,50220,11,50276,50276,11,50332,50332,11,50388,50388,11,50444,50444,11,50500,50500,11,50556,50556,11,50612,50612,11,50668,50668,11,50724,50724,11,50780,50780,11,50836,50836,11,50892,50892,11,50948,50948,11,51004,51004,11,51060,51060,11,51116,51116,11,51172,51172,11,51228,51228,11,51284,51284,11,51340,51340,11,51396,51396,11,51452,51452,11,51508,51508,11,51564,51564,11,51620,51620,11,51676,51676,11,51732,51732,11,51788,51788,11,51844,51844,11,51900,51900,11,51956,51956,11,52012,52012,11,52068,52068,11,52124,52124,11,52180,52180,11,52236,52236,11,52292,52292,11,52348,52348,11,52404,52404,11,52460,52460,11,52516,52516,11,52572,52572,11,52628,52628,11,52684,52684,11,52740,52740,11,52796,52796,11,52852,52852,11,52908,52908,11,52964,52964,11,53020,53020,11,53076,53076,11,53132,53132,11,53188,53188,11,53244,53244,11,53300,53300,11,53356,53356,11,53412,53412,11,53468,53468,11,53524,53524,11,53580,53580,11,53636,53636,11,53692,53692,11,53748,53748,11,53804,53804,11,53860,53860,11,53916,53916,11,53972,53972,11,54028,54028,11,54084,54084,11,54140,54140,11,54196,54196,11,54252,54252,11,54308,54308,11,54364,54364,11,54420,54420,11,54476,54476,11,54532,54532,11,54588,54588,11,54644,54644,11,54700,54700,11,54756,54756,11,54812,54812,11,54868,54868,11,54924,54924,11,54980,54980,11,55036,55036,11,55092,55092,11,55148,55148,11,55216,55238,9,65056,65071,5,65529,65531,4,68097,68099,5,68159,68159,5,69446,69456,5,69688,69702,5,69808,69810,7,69815,69816,7,69821,69821,1,69888,69890,5,69932,69932,7,69957,69958,7,70016,70017,5,70067,70069,7,70079,70080,7,70089,70092,5,70095,70095,5,70191,70193,5,70196,70196,5,70198,70199,5,70367,70367,5,70371,70378,5,70402,70403,7,70462,70462,5,70464,70464,5,70471,70472,7,70487,70487,5,70502,70508,5,70709,70711,7,70720,70721,7,70725,70725,7,70750,70750,5,70833,70834,7,70841,70841,7,70843,70844,7,70846,70846,7,70849,70849,7,71087,71087,5,71090,71093,5,71100,71101,5,71103,71104,5,71216,71218,7,71227,71228,7,71230,71230,7,71339,71339,5,71341,71341,5,71344,71349,5,71351,71351,5,71456,71457,7,71462,71462,7,71724,71726,7,71736,71736,7,71984,71984,5,71991,71992,7,71997,71997,7,71999,71999,1,72001,72001,1,72003,72003,5,72148,72151,5,72156,72159,7,72164,72164,7,72243,72248,5,72250,72250,1,72263,72263,5,72279,72280,7,72324,72329,1,72343,72343,7,72751,72751,7,72760,72765,5,72767,72767,5,72873,72873,7,72881,72881,7,72884,72884,7,73009,73014,5,73020,73021,5,73030,73030,1,73098,73102,7,73107,73108,7,73110,73110,7,73459,73460,5,78896,78904,4,92976,92982,5,94033,94087,7,94180,94180,5,113821,113822,5,119141,119141,5,119143,119145,5,119150,119154,5,119163,119170,5,119210,119213,5,121344,121398,5,121461,121461,5,121499,121503,5,122880,122886,5,122907,122913,5,122918,122922,5,123628,123631,5,125252,125258,5,126980,126980,14,127183,127183,14,127245,127247,14,127340,127343,14,127358,127359,14,127377,127386,14,127462,127487,6,127491,127503,14,127535,127535,14,127548,127551,14,127568,127569,14,127744,127777,14,127780,127891,14,127894,127895,14,127897,127899,14,127902,127984,14,127987,127989,14,127991,127994,14,128000,128253,14,128255,128317,14,128329,128334,14,128336,128359,14,128367,128368,14,128371,128377,14,128379,128390,14,128392,128393,14,128398,128399,14,128401,128404,14,128407,128419,14,128421,128421,14,128424,128424,14,128433,128434,14,128444,128444,14,128450,128452,14,128465,128467,14,128476,128478,14,128481,128481,14,128483,128483,14,128488,128488,14,128495,128495,14,128499,128499,14,128506,128591,14,128710,128714,14,128721,128722,14,128725,128725,14,128728,128735,14,128742,128744,14,128746,128746,14,128749,128751,14,128753,128754,14,128756,128758,14,128761,128761,14,128763,128764,14,128884,128895,14,128992,129003,14,129036,129039,14,129114,129119,14,129198,129279,14,129293,129295,14,129305,129310,14,129312,129319,14,129328,129328,14,129331,129338,14,129343,129343,14,129351,129355,14,129357,129359,14,129375,129387,14,129393,129393,14,129395,129398,14,129401,129401,14,129403,129403,14,129408,129412,14,129426,129431,14,129443,129444,14,129451,129453,14,129456,129465,14,129472,129472,14,129475,129482,14,129484,129484,14,129488,129510,14,129536,129647,14,129652,129652,14,129656,129658,14,129664,129666,14,129671,129679,14,129686,129704,14,129712,129718,14,129728,129730,14,129744,129750,14,917504,917504,4,917506,917535,4,917632,917759,4,918000,921599,4,0,9,4,11,12,4,14,31,4,169,169,14,174,174,14,1155,1159,5,1425,1469,5,1473,1474,5,1479,1479,5,1552,1562,5,1611,1631,5,1750,1756,5,1759,1764,5,1770,1773,5,1809,1809,5,1958,1968,5,2045,2045,5,2075,2083,5,2089,2093,5,2259,2273,5,2275,2306,5,2362,2362,5,2364,2364,5,2369,2376,5,2381,2381,5,2385,2391,5,2433,2433,5,2492,2492,5,2495,2496,7,2503,2504,7,2509,2509,5,2530,2531,5,2561,2562,5,2620,2620,5,2625,2626,5,2635,2637,5,2672,2673,5,2689,2690,5,2748,2748,5,2753,2757,5,2761,2761,7,2765,2765,5,2810,2815,5,2818,2819,7,2878,2878,5,2880,2880,7,2887,2888,7,2893,2893,5,2903,2903,5,2946,2946,5,3007,3007,7,3009,3010,7,3018,3020,7,3031,3031,5,3073,3075,7,3134,3136,5,3142,3144,5,3157,3158,5,3201,3201,5,3260,3260,5,3263,3263,5,3266,3266,5,3270,3270,5,3274,3275,7,3285,3286,5,3328,3329,5,3387,3388,5,3391,3392,7,3398,3400,7,3405,3405,5,3415,3415,5,3457,3457,5,3530,3530,5,3536,3537,7,3542,3542,5,3551,3551,5,3633,3633,5,3636,3642,5,3761,3761,5,3764,3772,5,3864,3865,5,3895,3895,5,3902,3903,7,3967,3967,7,3974,3975,5,3993,4028,5,4141,4144,5,4146,4151,5,4155,4156,7,4182,4183,7,4190,4192,5,4226,4226,5,4229,4230,5,4253,4253,5,4448,4519,9,4957,4959,5,5938,5940,5,6002,6003,5,6070,6070,7,6078,6085,7,6087,6088,7,6109,6109,5,6158,6158,4,6313,6313,5,6435,6438,7,6441,6443,7,6450,6450,5,6457,6459,5,6681,6682,7,6741,6741,7,6743,6743,7,6752,6752,5,6757,6764,5,6771,6780,5,6832,6845,5,6847,6848,5,6916,6916,7,6965,6965,5,6971,6971,7,6973,6977,7,6979,6980,7,7040,7041,5,7073,7073,7,7078,7079,7,7082,7082,7,7142,7142,5,7144,7145,5,7149,7149,5,7151,7153,5,7204,7211,7,7220,7221,7,7376,7378,5,7393,7393,7,7405,7405,5,7415,7415,7,7616,7673,5,8203,8203,4,8205,8205,13,8232,8232,4,8234,8238,4,8265,8265,14,8293,8293,4,8400,8412,5,8417,8417,5,8421,8432,5,8505,8505,14,8617,8618,14,9000,9000,14,9167,9167,14,9208,9210,14,9642,9643,14,9664,9664,14,9728,9732,14,9735,9741,14,9743,9744,14,9746,9746,14,9750,9751,14,9753,9756,14,9758,9759,14,9761,9761,14,9764,9765,14,9767,9769,14,9771,9773,14,9776,9783,14,9787,9791,14,9793,9793,14,9795,9799,14,9812,9822,14,9824,9824,14,9827,9827,14,9829,9830,14,9832,9832,14,9851,9851,14,9854,9854,14,9856,9861,14,9874,9876,14,9878,9879,14,9881,9881,14,9883,9884,14,9888,9889,14,9895,9895,14,9898,9899,14,9904,9905,14,9917,9918,14,9924,9925,14,9928,9928,14,9934,9935,14,9937,9937,14,9939,9940,14,9961,9962,14,9968,9973,14,9975,9978,14,9981,9981,14,9986,9986,14,9989,9989,14,9998,9998,14,10000,10001,14,10004,10004,14,10013,10013,14,10024,10024,14,10052,10052,14,10060,10060,14,10067,10069,14,10083,10084,14,10133,10135,14,10160,10160,14,10548,10549,14,11035,11036,14,11093,11093,14,11647,11647,5,12330,12333,5,12336,12336,14,12441,12442,5,12953,12953,14,42608,42610,5,42654,42655,5,43010,43010,5,43019,43019,5,43045,43046,5,43052,43052,5,43188,43203,7,43232,43249,5,43302,43309,5,43346,43347,7,43392,43394,5,43443,43443,5,43446,43449,5,43452,43453,5,43493,43493,5,43567,43568,7,43571,43572,7,43587,43587,5,43597,43597,7,43696,43696,5,43703,43704,5,43713,43713,5,43756,43757,5,43765,43765,7,44003,44004,7,44006,44007,7,44009,44010,7,44013,44013,5,44033,44059,12,44061,44087,12,44089,44115,12,44117,44143,12,44145,44171,12,44173,44199,12,44201,44227,12,44229,44255,12,44257,44283,12,44285,44311,12,44313,44339,12,44341,44367,12,44369,44395,12,44397,44423,12,44425,44451,12,44453,44479,12,44481,44507,12,44509,44535,12,44537,44563,12,44565,44591,12,44593,44619,12,44621,44647,12,44649,44675,12,44677,44703,12,44705,44731,12,44733,44759,12,44761,44787,12,44789,44815,12,44817,44843,12,44845,44871,12,44873,44899,12,44901,44927,12,44929,44955,12,44957,44983,12,44985,45011,12,45013,45039,12,45041,45067,12,45069,45095,12,45097,45123,12,45125,45151,12,45153,45179,12,45181,45207,12,45209,45235,12,45237,45263,12,45265,45291,12,45293,45319,12,45321,45347,12,45349,45375,12,45377,45403,12,45405,45431,12,45433,45459,12,45461,45487,12,45489,45515,12,45517,45543,12,45545,45571,12,45573,45599,12,45601,45627,12,45629,45655,12,45657,45683,12,45685,45711,12,45713,45739,12,45741,45767,12,45769,45795,12,45797,45823,12,45825,45851,12,45853,45879,12,45881,45907,12,45909,45935,12,45937,45963,12,45965,45991,12,45993,46019,12,46021,46047,12,46049,46075,12,46077,46103,12,46105,46131,12,46133,46159,12,46161,46187,12,46189,46215,12,46217,46243,12,46245,46271,12,46273,46299,12,46301,46327,12,46329,46355,12,46357,46383,12,46385,46411,12,46413,46439,12,46441,46467,12,46469,46495,12,46497,46523,12,46525,46551,12,46553,46579,12,46581,46607,12,46609,46635,12,46637,46663,12,46665,46691,12,46693,46719,12,46721,46747,12,46749,46775,12,46777,46803,12,46805,46831,12,46833,46859,12,46861,46887,12,46889,46915,12,46917,46943,12,46945,46971,12,46973,46999,12,47001,47027,12,47029,47055,12,47057,47083,12,47085,47111,12,47113,47139,12,47141,47167,12,47169,47195,12,47197,47223,12,47225,47251,12,47253,47279,12,47281,47307,12,47309,47335,12,47337,47363,12,47365,47391,12,47393,47419,12,47421,47447,12,47449,47475,12,47477,47503,12,47505,47531,12,47533,47559,12,47561,47587,12,47589,47615,12,47617,47643,12,47645,47671,12,47673,47699,12,47701,47727,12,47729,47755,12,47757,47783,12,47785,47811,12,47813,47839,12,47841,47867,12,47869,47895,12,47897,47923,12,47925,47951,12,47953,47979,12,47981,48007,12,48009,48035,12,48037,48063,12,48065,48091,12,48093,48119,12,48121,48147,12,48149,48175,12,48177,48203,12,48205,48231,12,48233,48259,12,48261,48287,12,48289,48315,12,48317,48343,12,48345,48371,12,48373,48399,12,48401,48427,12,48429,48455,12,48457,48483,12,48485,48511,12,48513,48539,12,48541,48567,12,48569,48595,12,48597,48623,12,48625,48651,12,48653,48679,12,48681,48707,12,48709,48735,12,48737,48763,12,48765,48791,12,48793,48819,12,48821,48847,12,48849,48875,12,48877,48903,12,48905,48931,12,48933,48959,12,48961,48987,12,48989,49015,12,49017,49043,12,49045,49071,12,49073,49099,12,49101,49127,12,49129,49155,12,49157,49183,12,49185,49211,12,49213,49239,12,49241,49267,12,49269,49295,12,49297,49323,12,49325,49351,12,49353,49379,12,49381,49407,12,49409,49435,12,49437,49463,12,49465,49491,12,49493,49519,12,49521,49547,12,49549,49575,12,49577,49603,12,49605,49631,12,49633,49659,12,49661,49687,12,49689,49715,12,49717,49743,12,49745,49771,12,49773,49799,12,49801,49827,12,49829,49855,12,49857,49883,12,49885,49911,12,49913,49939,12,49941,49967,12,49969,49995,12,49997,50023,12,50025,50051,12,50053,50079,12,50081,50107,12,50109,50135,12,50137,50163,12,50165,50191,12,50193,50219,12,50221,50247,12,50249,50275,12,50277,50303,12,50305,50331,12,50333,50359,12,50361,50387,12,50389,50415,12,50417,50443,12,50445,50471,12,50473,50499,12,50501,50527,12,50529,50555,12,50557,50583,12,50585,50611,12,50613,50639,12,50641,50667,12,50669,50695,12,50697,50723,12,50725,50751,12,50753,50779,12,50781,50807,12,50809,50835,12,50837,50863,12,50865,50891,12,50893,50919,12,50921,50947,12,50949,50975,12,50977,51003,12,51005,51031,12,51033,51059,12,51061,51087,12,51089,51115,12,51117,51143,12,51145,51171,12,51173,51199,12,51201,51227,12,51229,51255,12,51257,51283,12,51285,51311,12,51313,51339,12,51341,51367,12,51369,51395,12,51397,51423,12,51425,51451,12,51453,51479,12,51481,51507,12,51509,51535,12,51537,51563,12,51565,51591,12,51593,51619,12,51621,51647,12,51649,51675,12,51677,51703,12,51705,51731,12,51733,51759,12,51761,51787,12,51789,51815,12,51817,51843,12,51845,51871,12,51873,51899,12,51901,51927,12,51929,51955,12,51957,51983,12,51985,52011,12,52013,52039,12,52041,52067,12,52069,52095,12,52097,52123,12,52125,52151,12,52153,52179,12,52181,52207,12,52209,52235,12,52237,52263,12,52265,52291,12,52293,52319,12,52321,52347,12,52349,52375,12,52377,52403,12,52405,52431,12,52433,52459,12,52461,52487,12,52489,52515,12,52517,52543,12,52545,52571,12,52573,52599,12,52601,52627,12,52629,52655,12,52657,52683,12,52685,52711,12,52713,52739,12,52741,52767,12,52769,52795,12,52797,52823,12,52825,52851,12,52853,52879,12,52881,52907,12,52909,52935,12,52937,52963,12,52965,52991,12,52993,53019,12,53021,53047,12,53049,53075,12,53077,53103,12,53105,53131,12,53133,53159,12,53161,53187,12,53189,53215,12,53217,53243,12,53245,53271,12,53273,53299,12,53301,53327,12,53329,53355,12,53357,53383,12,53385,53411,12,53413,53439,12,53441,53467,12,53469,53495,12,53497,53523,12,53525,53551,12,53553,53579,12,53581,53607,12,53609,53635,12,53637,53663,12,53665,53691,12,53693,53719,12,53721,53747,12,53749,53775,12,53777,53803,12,53805,53831,12,53833,53859,12,53861,53887,12,53889,53915,12,53917,53943,12,53945,53971,12,53973,53999,12,54001,54027,12,54029,54055,12,54057,54083,12,54085,54111,12,54113,54139,12,54141,54167,12,54169,54195,12,54197,54223,12,54225,54251,12,54253,54279,12,54281,54307,12,54309,54335,12,54337,54363,12,54365,54391,12,54393,54419,12,54421,54447,12,54449,54475,12,54477,54503,12,54505,54531,12,54533,54559,12,54561,54587,12,54589,54615,12,54617,54643,12,54645,54671,12,54673,54699,12,54701,54727,12,54729,54755,12,54757,54783,12,54785,54811,12,54813,54839,12,54841,54867,12,54869,54895,12,54897,54923,12,54925,54951,12,54953,54979,12,54981,55007,12,55009,55035,12,55037,55063,12,55065,55091,12,55093,55119,12,55121,55147,12,55149,55175,12,55177,55203,12,55243,55291,10,65024,65039,5,65279,65279,4,65520,65528,4,66045,66045,5,66422,66426,5,68101,68102,5,68152,68154,5,68325,68326,5,69291,69292,5,69632,69632,7,69634,69634,7,69759,69761,5]');
}
/**
*
*/
export class StringsHelper {
public static get UNUSUAL_LINE_TERMINATORS() {
return /[\u2028\u2029]/ // LINE SEPARATOR (LS) or PARAGRAPH SEPARATOR (PS)
}
// -- UTF-8 BOM
public static get UTF8_BOM_CHARACTER() {
return String.fromCharCode(CharCode.UTF8_BOM)
}
private constructor() { }
public static isFalsyOrWhitespace(str: string | undefined): boolean {
if (!str || typeof str !== 'string') {
return true;
}
return str.trim().length === 0;
}
/**
* Helper to produce a string with a variable number of arguments. Insert variable segments
* into the string using the {n} notation where N is the index of the argument following the string.
* @param value string to which formatting is applied
* @param args replacements for {n}-entries
*/
public static format(value: string, ...args: any[]): string {
let _formatRegexp = /{(\d+)}/g;
if (args.length === 0) {
return value;
}
return value.replace(_formatRegexp, function (match, group) {
const idx = parseInt(group, 10);
return isNaN(idx) || idx < 0 || idx >= args.length ?
match :
args[idx];
});
}
/**
* Converts HTML characters inside the string to use entities instead. Makes the string safe from
* being used e.g. in HTMLElement.innerHTML.
*/
public static escape(html: string): string {
return html.replace(/[<>&]/g, function (match) {
switch (match) {
case '<': return '<';
case '>': return '>';
case '&': return '&';
default: return match;
}
});
}
/**
* Escapes regular expression characters in a given string
*/
public static escapeRegExpCharacters(value: string): string {
return value.replace(/[\\\{\}\*\+\?\|\^\$\.\[\]\(\)]/g, '\\$&');
}
/**
* Counts how often `character` occurs inside `value`.
*/
public static count(value: string, character: string): number {
let result = 0;
const ch = character.charCodeAt(0);
for (let i = value.length - 1; i >= 0; i--) {
if (value.charCodeAt(i) === ch) {
result++;
}
}
return result;
}
public static truncate(value: string, maxLength: number, Esuffix = '…'): string {
if (value.length <= maxLength) {
return value;
}
return `${value.substr(0, maxLength)}${suffix}`;
}
/**
* Removes all occurrences of needle from the beginning and end of haystack.
* @param haystack string to trim
* @param needle the thing to trim (default is a blank)
*/
public static trim(haystack: string, needle: string = ' '): string {
const trimmed = StringsHelper.ltrim(haystack, needle);
return StringsHelper.rtrim(trimmed, needle);
}
/**
* Removes all occurrences of needle from the beginning of haystack.
* @param haystack string to trim
* @param needle the thing to trim
*/
public static ltrim(haystack: string, needle: string): string {
if (!haystack || !needle) {
return haystack;
}
const needleLen = needle.length;
Iif (needleLen === 0 || haystack.length === 0) {
return haystack;
}
let offset = 0;
while (haystack.indexOf(needle, offset) === offset) {
offset = offset + needleLen;
}
return haystack.substring(offset);
}
/**
* Removes all occurrences of needle from the end of haystack.
* @param haystack string to trim
* @param needle the thing to trim
*/
public static rtrim(haystack: string, needle: string): string {
if (!haystack || !needle) {
return haystack;
}
const needleLen = needle.length,
haystackLen = haystack.length;
Iif (needleLen === 0 || haystackLen === 0) {
return haystack;
}
let offset = haystackLen,
idx = -1;
while (true) {
idx = haystack.lastIndexOf(needle, offset - 1);
if (idx === -1 || idx + needleLen !== offset) {
break;
}
if (idx === 0) {
return '';
}
offset = idx;
}
return haystack.substring(0, offset);
}
public static convertSimple2RegExpPattern(pattern: string): string {
return pattern.replace(/[\-\\\{\}\+\?\|\^\$\.\,\[\]\(\)\#\s]/g, '\\$&').replace(/[\*]/g, '.*');
}
public static stripWildcards(pattern: string): string {
return pattern.replace(/\*/g, '');
}
public static createRegExp(searchString: string, isRegex: boolean, options: RegExpOptions = {}): RegExp {
if (!searchString) {
throw new Error('Cannot create regex from empty string');
}
if (!isRegex) {
searchString = StringsHelper.escapeRegExpCharacters(searchString);
}
if (options.wholeWord) {
if (!/\B/.test(searchString.charAt(0))) {
searchString = '\\b' + searchString;
}
if (!/\B/.test(searchString.charAt(searchString.length - 1))) {
searchString = searchString + '\\b';
}
}
let modifiers = '';
if (options.global) {
modifiers += 'g';
}
if (!options.matchCase) {
modifiers += 'i';
}
if (options.multiline) {
modifiers += 'm';
}
Iif (options.unicode) {
modifiers += 'u';
}
return new RegExp(searchString, modifiers);
}
public static regExpLeadsToEndlessLoop(regexp: RegExp): boolean {
// Exit early if it's one of these special cases which are meant to match
// against an empty string
if (regexp.source === '^' || regexp.source === '^$' || regexp.source === '$' || regexp.source === '^\\s*$') {
return false;
}
// We check against an empty string. If the regular expression doesn't advance
// (e.g. ends in an endless loop) it will match an empty string.
const match = regexp.exec('');
return !!(match && regexp.lastIndex === 0);
}
public static regExpContainsBackreference(regexpValue: string): boolean {
return !!regexpValue.match(/([^\\]|^)(\\\\)*\\\d+/);
}
public static regExpFlags(regexp: RegExp): string {
return (regexp.global ? 'g' : '')
+ (regexp.ignoreCase ? 'i' : '')
+ (regexp.multiline ? 'm' : '')
+ ((regexp as any /* standalone editor compilation */).unicode ? 'u' : '');
}
public static splitLines(str: string): string[] {
return str.split(/\r\n|\r|\n/);
}
/**
* Returns first index of the string that is not whitespace.
* If string is empty or contains only whitespaces, returns -1
*/
public static firstNonWhitespaceIndex(str: string): number {
for (let i = 0, len = str.length; i < len; i++) {
const chCode = str.charCodeAt(i);
if (chCode !== CharCode.Space && chCode !== CharCode.Tab) {
return i;
}
}
return -1;
}
/**
* Returns the leading whitespace of the string.
* If the string contains only whitespaces, returns entire string
*/
public static getLeadingWhitespace(str: string, start: number = 0, end: number = str.length): string {
for (let i = start; i < end; i++) {
const chCode = str.charCodeAt(i);
if (chCode !== CharCode.Space && chCode !== CharCode.Tab) {
return str.substring(start, i);
}
}
return str.substring(start, end);
}
/**
* Returns last index of the string that is not whitespace.
* If string is empty or contains only whitespaces, returns -1
*/
public static lastNonWhitespaceIndex(str: string, startIndex: number = str.length - 1): number {
for (let i = startIndex; i >= 0; i--) {
const chCode = str.charCodeAt(i);
if (chCode !== CharCode.Space && chCode !== CharCode.Tab) {
return i;
}
}
return -1;
}
public static compare(a: string, b: string): number {
if (a < b) {
return -1;
} else if (a > b) {
return 1;
} else {
return 0;
}
}
public static compareSubstring(a: string, b: string, IaStart: number = 0, IaEnd: number = a.length, IbStart: number = 0, IbEnd: number = b.length): number {
for (; aStart < aEnd && bStart < bEnd; aStart++, bStart++) {
let codeA = a.charCodeAt(aStart);
let codeB = b.charCodeAt(bStart);
if (codeA < codeB) {
return -1;
} else Eif (codeA > codeB) {
return 1;
}
}
const aLen = aEnd - aStart;
const bLen = bEnd - bStart;
if (aLen < bLen) {
return -1;
} else if (aLen > bLen) {
return 1;
}
return 0;
}
public static compareIgnoreCase(a: string, b: string): number {
return StringsHelper.compareSubstringIgnoreCase(a, b, 0, a.length, 0, b.length);
}
public static compareSubstringIgnoreCase(a: string, b: string, IaStart: number = 0, IaEnd: number = a.length, IbStart: number = 0, IbEnd: number = b.length): number {
for (; aStart < aEnd && bStart < bEnd; aStart++, bStart++) {
let codeA = a.charCodeAt(aStart);
let codeB = b.charCodeAt(bStart);
if (codeA === codeB) {
// equal
continue;
}
const diff = codeA - codeB;
if (diff === 32 && StringsHelper.isUpperAsciiLetter(codeB)) { //codeB =[65-90] && codeA =[97-122]
continue;
} else if (diff === -32 && StringsHelper.isUpperAsciiLetter(codeA)) { //codeB =[97-122] && codeA =[65-90]
continue;
}
if (StringsHelper.isLowerAsciiLetter(codeA) && StringsHelper.isLowerAsciiLetter(codeB)) {
//
return diff;
} else {
return StringsHelper.compareSubstring(a.toLowerCase(), b.toLowerCase(), aStart, aEnd, bStart, bEnd);
}
}
const aLen = aEnd - aStart;
const bLen = bEnd - bStart;
if (aLen < bLen) {
return -1;
} else if (aLen > bLen) {
return 1;
}
return 0;
}
public static isLowerAsciiLetter(code: number): boolean {
return code >= CharCode.a && code <= CharCode.z;
}
public static isUpperAsciiLetter(code: number): boolean {
return code >= CharCode.A && code <= CharCode.Z;
}
public static equalsIgnoreCase(a: string, b: string): boolean {
return a.length === b.length && doEqualsIgnoreCase(a, b);
}
public static startsWithIgnoreCase(str: string, candidate: string): boolean {
const candidateLength = candidate.length;
if (candidate.length > str.length) {
return false;
}
return doEqualsIgnoreCase(str, candidate, candidateLength);
}
/**
* @returns the length of the common prefix of the two strings.
*/
public static commonPrefixLength(a: string, b: string): number {
let i: number,
len = Math.min(a.length, b.length);
for (i = 0; i < len; i++) {
if (a.charCodeAt(i) !== b.charCodeAt(i)) {
return i;
}
}
return len;
}
/**
* @returns the length of the common suffix of the two strings.
*/
public static commonSuffixLength(a: string, b: string): number {
let i: number,
len = Math.min(a.length, b.length);
const aLastIndex = a.length - 1;
const bLastIndex = b.length - 1;
for (i = 0; i < len; i++) {
if (a.charCodeAt(aLastIndex - i) !== b.charCodeAt(bLastIndex - i)) {
return i;
}
}
return len;
}
/**
* See http://en.wikipedia.org/wiki/Surrogate_pair
*/
public static isHighSurrogate(charCode: number): boolean {
return (0xD800 <= charCode && charCode <= 0xDBFF);
}
/**
* See http://en.wikipedia.org/wiki/Surrogate_pair
*/
public static isLowSurrogate(charCode: number): boolean {
return (0xDC00 <= charCode && charCode <= 0xDFFF);
}
/**
* See http://en.wikipedia.org/wiki/Surrogate_pair
*/
public static computeCodePoint(highSurrogate: number, lowSurrogate: number): number {
return ((highSurrogate - 0xD800) << 10) + (lowSurrogate - 0xDC00) + 0x10000;
}
/**
* get the code point that begins at offset `offset`
*/
public static getNextCodePoint(str: string, len: number, offset: number): number {
const charCode = str.charCodeAt(offset);
if (StringsHelper.isHighSurrogate(charCode) && offset + 1 < len) {
const nextCharCode = str.charCodeAt(offset + 1);
Eif (StringsHelper.isLowSurrogate(nextCharCode)) {
return StringsHelper.computeCodePoint(charCode, nextCharCode);
}
}
return charCode;
}
public static nextCharLength(str: string, offset: number): number {
const graphemeBreakTree = GraphemeBreakTree.getInstance();
const initialOffset = offset;
const len = str.length;
const initialCodePoint = StringsHelper.getNextCodePoint(str, len, offset);
offset += (initialCodePoint >= Constants.UNICODE_SUPPLEMENTARY_PLANE_BEGIN ? 2 : 1);
let graphemeBreakType = graphemeBreakTree.getGraphemeBreakType(initialCodePoint);
while (offset < len) {
const nextCodePoint = StringsHelper.getNextCodePoint(str, len, offset);
const nextGraphemeBreakType = graphemeBreakTree.getGraphemeBreakType(nextCodePoint);
if (StringsHelper.breakBetweenGraphemeBreakType(graphemeBreakType, nextGraphemeBreakType)) {
break;
}
offset += (nextCodePoint >= Constants.UNICODE_SUPPLEMENTARY_PLANE_BEGIN ? 2 : 1);
graphemeBreakType = nextGraphemeBreakType;
}
return (offset - initialOffset);
}
public static prevCharLength(str: string, offset: number): number {
const graphemeBreakTree = GraphemeBreakTree.getInstance();
const initialOffset = offset;
const initialCodePoint = getPrevCodePoint(str, offset);
offset -= (initialCodePoint >= Constants.UNICODE_SUPPLEMENTARY_PLANE_BEGIN ? 2 : 1);
let graphemeBreakType = graphemeBreakTree.getGraphemeBreakType(initialCodePoint);
while (offset > 0) {
const prevCodePoint = getPrevCodePoint(str, offset);
const prevGraphemeBreakType = graphemeBreakTree.getGraphemeBreakType(prevCodePoint);
if (StringsHelper.breakBetweenGraphemeBreakType(prevGraphemeBreakType, graphemeBreakType)) {
break;
}
offset -= (prevCodePoint >= Constants.UNICODE_SUPPLEMENTARY_PLANE_BEGIN ? 2 : 1);
graphemeBreakType = prevGraphemeBreakType;
}
return (initialOffset - offset);
}
public static getCharContainingOffset(str: string, offset: number): [number, number] {
if (offset > 0 && StringsHelper.isLowSurrogate(str.charCodeAt(offset))) {
return _getCharContainingOffset(str, offset - 1);
}
return _getCharContainingOffset(str, offset);
}
/**
* A manual encoding of `str` to UTF8.
* Use only in environments which do not offer native conversion methods!
*/
public static encodeUTF8(str: string): Uint8Array {
const strLen = str.length;
// See https://en.wikipedia.org/wiki/UTF-8
// first loop to establish needed buffer size
let neededSize = 0;
let strOffset = 0;
while (strOffset < strLen) {
const codePoint = StringsHelper.getNextCodePoint(str, strLen, strOffset);
strOffset += (codePoint >= Constants.UNICODE_SUPPLEMENTARY_PLANE_BEGIN ? 2 : 1);
if (codePoint < 0x0080) {
neededSize += 1;
} else if (codePoint < 0x0800) {
neededSize += 2;
} else if (codePoint < 0x10000) {
neededSize += 3;
} else {
neededSize += 4;
}
}
// second loop to actually encode
const arr = new Uint8Array(neededSize);
strOffset = 0;
let arrOffset = 0;
while (strOffset < strLen) {
const codePoint = StringsHelper.getNextCodePoint(str, strLen, strOffset);
strOffset += (codePoint >= Constants.UNICODE_SUPPLEMENTARY_PLANE_BEGIN ? 2 : 1);
if (codePoint < 0x0080) {
arr[arrOffset++] = codePoint;
} else if (codePoint < 0x0800) {
arr[arrOffset++] = 0b11000000 | ((codePoint & 0b00000000000000000000011111000000) >>> 6);
arr[arrOffset++] = 0b10000000 | ((codePoint & 0b00000000000000000000000000111111) >>> 0);
} else if (codePoint < 0x10000) {
arr[arrOffset++] = 0b11100000 | ((codePoint & 0b00000000000000001111000000000000) >>> 12);
arr[arrOffset++] = 0b10000000 | ((codePoint & 0b00000000000000000000111111000000) >>> 6);
arr[arrOffset++] = 0b10000000 | ((codePoint & 0b00000000000000000000000000111111) >>> 0);
} else {
arr[arrOffset++] = 0b11110000 | ((codePoint & 0b00000000000111000000000000000000) >>> 18);
arr[arrOffset++] = 0b10000000 | ((codePoint & 0b00000000000000111111000000000000) >>> 12);
arr[arrOffset++] = 0b10000000 | ((codePoint & 0b00000000000000000000111111000000) >>> 6);
arr[arrOffset++] = 0b10000000 | ((codePoint & 0b00000000000000000000000000111111) >>> 0);
}
}
return arr;
}
/**
* A manual decoding of a UTF8 string.
* Use only in environments which do not offer native conversion methods!
*/
public static decodeUTF8(buffer: Uint8Array): string {
// https://en.wikipedia.org/wiki/UTF-8
const len = buffer.byteLength;
const result: string[] = [];
let offset = 0;
while (offset < len) {
const v0 = buffer[offset];
let codePoint: number;
if (v0 >= 0b11110000 && offset + 3 < len) {
// 4 bytes
codePoint = (
(((buffer[offset++] & 0b00000111) << 18) >>> 0)
| (((buffer[offset++] & 0b00111111) << 12) >>> 0)
| (((buffer[offset++] & 0b00111111) << 6) >>> 0)
| (((buffer[offset++] & 0b00111111) << 0) >>> 0)
);
} else if (v0 >= 0b11100000 && offset + 2 < len) {
// 3 bytes
codePoint = (
(((buffer[offset++] & 0b00001111) << 12) >>> 0)
| (((buffer[offset++] & 0b00111111) << 6) >>> 0)
| (((buffer[offset++] & 0b00111111) << 0) >>> 0)
);
} else if (v0 >= 0b11000000 && offset + 1 < len) {
// 2 bytes
codePoint = (
(((buffer[offset++] & 0b00011111) << 6) >>> 0)
| (((buffer[offset++] & 0b00111111) << 0) >>> 0)
);
} else {
// 1 byte
codePoint = buffer[offset++];
}
if ((codePoint >= 0 && codePoint <= 0xD7FF) || (codePoint >= 0xE000 && codePoint <= 0xFFFF)) {
// Basic Multilingual Plane
result.push(String.fromCharCode(codePoint));
} else Eif (codePoint >= 0x010000 && codePoint <= 0x10FFFF) {
// Supplementary Planes
const uPrime = codePoint - 0x10000;
const w1 = 0xD800 + ((uPrime & 0b11111111110000000000) >>> 10);
const w2 = 0xDC00 + ((uPrime & 0b00000000001111111111) >>> 0);
result.push(String.fromCharCode(w1));
result.push(String.fromCharCode(w2));
} else {
// illegal code point
result.push(String.fromCharCode(0xFFFD));
}
}
return result.join('');
}
/**
* Returns true if `str` contains any Unicode character that is classified as "R" or "AL".
*/
public static containsRTL(str: string): boolean {
return CONTAINS_RTL.test(str);
}
public static containsEmoji(str: string): boolean {
return CONTAINS_EMOJI.test(str);
}
/**
* Returns true if `str` contains only basic ASCII characters in the range 32 - 126 (including 32 and 126) or \n, \r, \t
*/
public static isBasicASCII(str: string): boolean {
return IS_BASIC_ASCII.test(str);
}
/**
* Returns true if `str` contains unusual line terminators, like LS or PS
*/
public static containsUnusualLineTerminators(str: string): boolean {
return StringsHelper.UNUSUAL_LINE_TERMINATORS.test(str);
}
public static containsFullWidthCharacter(str: string): boolean {
for (let i = 0, len = str.length; i < len; i++) {
if (StringsHelper.isFullWidthCharacter(str.charCodeAt(i))) {
return true;
}
}
return false;
}
public static isFullWidthCharacter(charCode: number): boolean {
// Do a cheap trick to better support wrapping of wide characters, treat them as 2 columns
// http://jrgraphix.net/research/unicode_blocks.php
// 2E80 — 2EFF CJK Radicals Supplement
// 2F00 — 2FDF Kangxi Radicals
// 2FF0 — 2FFF Ideographic Description Characters
// 3000 — 303F CJK Symbols and Punctuation
// 3040 — 309F Hiragana
// 30A0 — 30FF Katakana
// 3100 — 312F Bopomofo
// 3130 — 318F Hangul Compatibility Jamo
// 3190 — 319F Kanbun
// 31A0 — 31BF Bopomofo Extended
// 31F0 — 31FF Katakana Phonetic Extensions
// 3200 — 32FF Enclosed CJK Letters and Months
// 3300 — 33FF CJK Compatibility
// 3400 — 4DBF CJK Unified Ideographs Extension A
// 4DC0 — 4DFF Yijing Hexagram Symbols
// 4E00 — 9FFF CJK Unified Ideographs
// A000 — A48F Yi Syllables
// A490 — A4CF Yi Radicals
// AC00 — D7AF Hangul Syllables
// [IGNORE] D800 — DB7F High Surrogates
// [IGNORE] DB80 — DBFF High Private Use Surrogates
// [IGNORE] DC00 — DFFF Low Surrogates
// [IGNORE] E000 — F8FF Private Use Area
// F900 — FAFF CJK Compatibility Ideographs
// [IGNORE] FB00 — FB4F Alphabetic Presentation Forms
// [IGNORE] FB50 — FDFF Arabic Presentation Forms-A
// [IGNORE] FE00 — FE0F Variation Selectors
// [IGNORE] FE20 — FE2F Combining Half Marks
// [IGNORE] FE30 — FE4F CJK Compatibility Forms
// [IGNORE] FE50 — FE6F Small Form Variants
// [IGNORE] FE70 — FEFF Arabic Presentation Forms-B
// FF00 — FFEF Halfwidth and Fullwidth Forms
// [https://en.wikipedia.org/wiki/Halfwidth_and_fullwidth_forms]
// of which FF01 - FF5E fullwidth ASCII of 21 to 7E
// [IGNORE] and FF65 - FFDC halfwidth of Katakana and Hangul
// [IGNORE] FFF0 — FFFF Specials
charCode = +charCode; // @perf
return (
(charCode >= 0x2E80 && charCode <= 0xD7AF)
|| (charCode >= 0xF900 && charCode <= 0xFAFF)
|| (charCode >= 0xFF01 && charCode <= 0xFF5E)
);
}
/**
* A fast function (therefore imprecise) to check if code points are emojis.
* Generated using https://github.com/alexdima/unicode-utils/blob/master/generate-emoji-test.js
*/
public static isEmojiImprecise(x: number): boolean {
return (
(x >= 0x1F1E6 && x <= 0x1F1FF) || (x === 8986) || (x === 8987) || (x === 9200)
|| (x === 9203) || (x >= 9728 && x <= 10175) || (x === 11088) || (x === 11093)
|| (x >= 127744 && x <= 128591) || (x >= 128640 && x <= 128764)
|| (x >= 128992 && x <= 129003) || (x >= 129280 && x <= 129535)
|| (x >= 129648 && x <= 129750)
);
}
/**
* Given a string and a max length returns a shorted version. Shorting
* happens at favorable positions - such as whitespace or punctuation characters.
*/
public static lcut(text: string, n: number) {
if (text.length < n) {
return text;
}
const re = /\b/g;
let i = 0;
while (re.test(text)) {
if (text.length - re.lastIndex < n) {
break;
}
i = re.lastIndex;
re.lastIndex += 1;
}
return text.substring(i).replace(/^\s/, '');
}
public static removeAnsiEscapeCodes(str: string): string {
if (str) {
str = str.replace(EL, '');
str = str.replace(COLOR_START, '');
str = str.replace(COLOR_END, '');
}
return str;
}
public static startsWithUTF8BOM(str: string): boolean {
return !!(str && str.length > 0 && str.charCodeAt(0) === CharCode.UTF8_BOM);
}
public static stripUTF8BOM(str: string): string {
return StringsHelper.startsWithUTF8BOM(str) ? str.substr(1) : str;
}
/**
* Checks if the characters of the provided query string are included in the
* target string. The characters do not have to be contiguous within the string.
*/
public static fuzzyContains(target: string, query: string): boolean {
if (!target || !query) {
return false; // return early if target or query are undefined
}
if (target.length < query.length) {
return false; // impossible for query to be contained in target
}
const queryLen = query.length;
const targetLower = target.toLowerCase();
let index = 0;
let lastIndexOf = -1;
while (index < queryLen) {
const indexOf = targetLower.indexOf(query[index], lastIndexOf + 1);
if (indexOf < 0) {
return false;
}
lastIndexOf = indexOf;
index++;
}
return true;
}
public static containsUppercaseCharacter(target: string, ignoreEscapedChars = false): boolean {
if (!target) {
return false;
}
if (ignoreEscapedChars) {
target = target.replace(/\\./g, '');
}
return target.toLowerCase() !== target;
}
public static uppercaseFirstLetter(str: string): string {
return str.charAt(0).toUpperCase() + str.slice(1);
}
public static getNLines(str: string, n = 1): string {
if (n === 0) {
return '';
}
let idx = -1;
do {
idx = str.indexOf('\n', idx + 1);
n--;
} while (n > 0 && idx >= 0);
if (idx === -1) {
return str;
}
Iif (str[idx - 1] === '\r') {
idx--;
}
return str.substr(0, idx);
}
/**
* Produces 'a'-'z', followed by 'A'-'Z'... followed by 'a'-'z', etc.
*/
public static singleLetterHash(n: number): string {
const LETTERS_CNT = (CharCode.Z - CharCode.A + 1);
n = n % (2 * LETTERS_CNT);
if (n < LETTERS_CNT) {
return String.fromCharCode(CharCode.a + n);
}
return String.fromCharCode(CharCode.A + n - LETTERS_CNT);
}
//#region Unicode Grapheme Break
public static getGraphemeBreakType(codePoint: number): GraphemeBreakType {
const graphemeBreakTree = GraphemeBreakTree.getInstance();
return graphemeBreakTree.getGraphemeBreakType(codePoint);
}
public static breakBetweenGraphemeBreakType(breakTypeA: GraphemeBreakType, breakTypeB: GraphemeBreakType): boolean {
// http://www.unicode.org/reports/tr29/#Grapheme_Cluster_Boundary_Rules
// !!! Let's make the common case a bit faster
if (breakTypeA === GraphemeBreakType.Other) {
// see https://www.unicode.org/Public/13.0.0/ucd/auxiliary/GraphemeBreakTest-13.0.0d10.html#table
return (breakTypeB !== GraphemeBreakType.Extend && breakTypeB !== GraphemeBreakType.SpacingMark);
}
// Do not break between a CR and LF. Otherwise, break before and after controls.
// GB3 CR × LF
// GB4 (Control | CR | LF) ÷
// GB5 ÷ (Control | CR | LF)
if (breakTypeA === GraphemeBreakType.CR) {
if (breakTypeB === GraphemeBreakType.LF) {
return false; // GB3
}
}
if (breakTypeA === GraphemeBreakType.Control || breakTypeA === GraphemeBreakType.CR || breakTypeA === GraphemeBreakType.LF) {
return true; // GB4
}
if (breakTypeB === GraphemeBreakType.Control || breakTypeB === GraphemeBreakType.CR || breakTypeB === GraphemeBreakType.LF) {
return true; // GB5
}
// Do not break Hangul syllable sequences.
// GB6 L × (L | V | LV | LVT)
// GB7 (LV | V) × (V | T)
// GB8 (LVT | T) × T
if (breakTypeA === GraphemeBreakType.L) {
if (breakTypeB === GraphemeBreakType.L || breakTypeB === GraphemeBreakType.V || breakTypeB === GraphemeBreakType.LV || breakTypeB === GraphemeBreakType.LVT) {
return false; // GB6
}
}
if (breakTypeA === GraphemeBreakType.LV || breakTypeA === GraphemeBreakType.V) {
if (breakTypeB === GraphemeBreakType.V || breakTypeB === GraphemeBreakType.T) {
return false; // GB7
}
}
if (breakTypeA === GraphemeBreakType.LVT || breakTypeA === GraphemeBreakType.T) {
if (breakTypeB === GraphemeBreakType.T) {
return false; // GB8
}
}
// Do not break before extending characters or ZWJ.
// GB9 × (Extend | ZWJ)
if (breakTypeB === GraphemeBreakType.Extend || breakTypeB === GraphemeBreakType.ZWJ) {
return false; // GB9
}
// The GB9a and GB9b rules only apply to extended grapheme clusters:
// Do not break before SpacingMarks, or after Prepend characters.
// GB9a × SpacingMark
// GB9b Prepend ×
if (breakTypeB === GraphemeBreakType.SpacingMark) {
return false; // GB9a
}
if (breakTypeA === GraphemeBreakType.Prepend) {
return false; // GB9b
}
// Do not break within emoji modifier sequences or emoji zwj sequences.
// GB11 \p{Extended_Pictographic} Extend* ZWJ × \p{Extended_Pictographic}
if (breakTypeA === GraphemeBreakType.ZWJ && breakTypeB === GraphemeBreakType.Extended_Pictographic) {
// Note: we are not implementing the rule entirely here to avoid introducing states
return false; // GB11
}
// GB12 sot (RI RI)* RI × RI
// GB13 [^RI] (RI RI)* RI × RI
if (breakTypeA === GraphemeBreakType.Regional_Indicator && breakTypeB === GraphemeBreakType.Regional_Indicator) {
// Note: we are not implementing the rule entirely here to avoid introducing states
return false; // GB12 & GB13
}
// GB999 Any ÷ Any
return true;
}
}
class GraphemeBreakTree {
private static _INSTANCE: GraphemeBreakTree | null = null;
public static getInstance(): GraphemeBreakTree {
Eif (!GraphemeBreakTree._INSTANCE) {
GraphemeBreakTree._INSTANCE = new GraphemeBreakTree();
}
return GraphemeBreakTree._INSTANCE;
}
private readonly _data: number[];
constructor() {
this._data = getGraphemeBreakRawData();
}
public getGraphemeBreakType(codePoint: number): GraphemeBreakType {
// !!! Let's make 7bit ASCII a bit faster: 0..31
Iif (codePoint < 32) {
if (codePoint === CharCode.LineFeed) {
return GraphemeBreakType.LF;
}
if (codePoint === CharCode.CarriageReturn) {
return GraphemeBreakType.CR;
}
return GraphemeBreakType.Control;
}
// !!! Let's make 7bit ASCII a bit faster: 32..126
Iif (codePoint < 127) {
return GraphemeBreakType.Other;
}
const data = this._data;
const nodeCount = data.length / 3;
let nodeIndex = 1;
while (nodeIndex <= nodeCount) {
if (codePoint < data[3 * nodeIndex]) {
// go left
nodeIndex = 2 * nodeIndex;
} else if (codePoint > data[3 * nodeIndex + 1]) {
// go right
nodeIndex = 2 * nodeIndex + 1;
} else {
// hit
return data[3 * nodeIndex + 2];
}
}
return GraphemeBreakType.Other;
}
}
|