/usr/share/gocode/src/golang.org/x/text/internal/triegen/data_test.go is in golang-golang-x-text-dev 0.0~git20170627.0.6353ef0-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | // This file is generated with "go test -tags generate". DO NOT EDIT!
// +build !generate
package triegen_test
// lookup returns the trie value for the first UTF-8 encoding in s and
// the width in bytes of this encoding. The size will be 0 if s does not
// hold enough bytes to complete the encoding. len(s) must be greater than 0.
func (t *randTrie) lookup(s []byte) (v uint8, sz int) {
c0 := s[0]
switch {
case c0 < 0x80: // is ASCII
return randValues[c0], 1
case c0 < 0xC2:
return 0, 1 // Illegal UTF-8: not a starter, not ASCII.
case c0 < 0xE0: // 2-byte UTF-8
if len(s) < 2 {
return 0, 0
}
i := randIndex[c0]
c1 := s[1]
if c1 < 0x80 || 0xC0 <= c1 {
return 0, 1 // Illegal UTF-8: not a continuation byte.
}
return t.lookupValue(uint32(i), c1), 2
case c0 < 0xF0: // 3-byte UTF-8
if len(s) < 3 {
return 0, 0
}
i := randIndex[c0]
c1 := s[1]
if c1 < 0x80 || 0xC0 <= c1 {
return 0, 1 // Illegal UTF-8: not a continuation byte.
}
o := uint32(i)<<6 + uint32(c1)
i = randIndex[o]
c2 := s[2]
if c2 < 0x80 || 0xC0 <= c2 {
return 0, 2 // Illegal UTF-8: not a continuation byte.
}
return t.lookupValue(uint32(i), c2), 3
case c0 < 0xF8: // 4-byte UTF-8
if len(s) < 4 {
return 0, 0
}
i := randIndex[c0]
c1 := s[1]
if c1 < 0x80 || 0xC0 <= c1 {
return 0, 1 // Illegal UTF-8: not a continuation byte.
}
o := uint32(i)<<6 + uint32(c1)
i = randIndex[o]
c2 := s[2]
if c2 < 0x80 || 0xC0 <= c2 {
return 0, 2 // Illegal UTF-8: not a continuation byte.
}
o = uint32(i)<<6 + uint32(c2)
i = randIndex[o]
c3 := s[3]
if c3 < 0x80 || 0xC0 <= c3 {
return 0, 3 // Illegal UTF-8: not a continuation byte.
}
return t.lookupValue(uint32(i), c3), 4
}
// Illegal rune
return 0, 1
}
// lookupUnsafe returns the trie value for the first UTF-8 encoding in s.
// s must start with a full and valid UTF-8 encoded rune.
func (t *randTrie) lookupUnsafe(s []byte) uint8 {
c0 := s[0]
if c0 < 0x80 { // is ASCII
return randValues[c0]
}
i := randIndex[c0]
if c0 < 0xE0 { // 2-byte UTF-8
return t.lookupValue(uint32(i), s[1])
}
i = randIndex[uint32(i)<<6+uint32(s[1])]
if c0 < 0xF0 { // 3-byte UTF-8
return t.lookupValue(uint32(i), s[2])
}
i = randIndex[uint32(i)<<6+uint32(s[2])]
if c0 < 0xF8 { // 4-byte UTF-8
return t.lookupValue(uint32(i), s[3])
}
return 0
}
// lookupString returns the trie value for the first UTF-8 encoding in s and
// the width in bytes of this encoding. The size will be 0 if s does not
// hold enough bytes to complete the encoding. len(s) must be greater than 0.
func (t *randTrie) lookupString(s string) (v uint8, sz int) {
c0 := s[0]
switch {
case c0 < 0x80: // is ASCII
return randValues[c0], 1
case c0 < 0xC2:
return 0, 1 // Illegal UTF-8: not a starter, not ASCII.
case c0 < 0xE0: // 2-byte UTF-8
if len(s) < 2 {
return 0, 0
}
i := randIndex[c0]
c1 := s[1]
if c1 < 0x80 || 0xC0 <= c1 {
return 0, 1 // Illegal UTF-8: not a continuation byte.
}
return t.lookupValue(uint32(i), c1), 2
case c0 < 0xF0: // 3-byte UTF-8
if len(s) < 3 {
return 0, 0
}
i := randIndex[c0]
c1 := s[1]
if c1 < 0x80 || 0xC0 <= c1 {
return 0, 1 // Illegal UTF-8: not a continuation byte.
}
o := uint32(i)<<6 + uint32(c1)
i = randIndex[o]
c2 := s[2]
if c2 < 0x80 || 0xC0 <= c2 {
return 0, 2 // Illegal UTF-8: not a continuation byte.
}
return t.lookupValue(uint32(i), c2), 3
case c0 < 0xF8: // 4-byte UTF-8
if len(s) < 4 {
return 0, 0
}
i := randIndex[c0]
c1 := s[1]
if c1 < 0x80 || 0xC0 <= c1 {
return 0, 1 // Illegal UTF-8: not a continuation byte.
}
o := uint32(i)<<6 + uint32(c1)
i = randIndex[o]
c2 := s[2]
if c2 < 0x80 || 0xC0 <= c2 {
return 0, 2 // Illegal UTF-8: not a continuation byte.
}
o = uint32(i)<<6 + uint32(c2)
i = randIndex[o]
c3 := s[3]
if c3 < 0x80 || 0xC0 <= c3 {
return 0, 3 // Illegal UTF-8: not a continuation byte.
}
return t.lookupValue(uint32(i), c3), 4
}
// Illegal rune
return 0, 1
}
// lookupStringUnsafe returns the trie value for the first UTF-8 encoding in s.
// s must start with a full and valid UTF-8 encoded rune.
func (t *randTrie) lookupStringUnsafe(s string) uint8 {
c0 := s[0]
if c0 < 0x80 { // is ASCII
return randValues[c0]
}
i := randIndex[c0]
if c0 < 0xE0 { // 2-byte UTF-8
return t.lookupValue(uint32(i), s[1])
}
i = randIndex[uint32(i)<<6+uint32(s[1])]
if c0 < 0xF0 { // 3-byte UTF-8
return t.lookupValue(uint32(i), s[2])
}
i = randIndex[uint32(i)<<6+uint32(s[2])]
if c0 < 0xF8 { // 4-byte UTF-8
return t.lookupValue(uint32(i), s[3])
}
return 0
}
// randTrie. Total size: 9280 bytes (9.06 KiB). Checksum: 6debd324a8debb8f.
type randTrie struct{}
func newRandTrie(i int) *randTrie {
return &randTrie{}
}
// lookupValue determines the type of block n and looks up the value for b.
func (t *randTrie) lookupValue(n uint32, b byte) uint8 {
switch {
default:
return uint8(randValues[n<<6+uint32(b)])
}
}
// randValues: 56 blocks, 3584 entries, 3584 bytes
// The third block is the zero block.
var randValues = [3584]uint8{
// Block 0x0, offset 0x0
// Block 0x1, offset 0x40
// Block 0x2, offset 0x80
// Block 0x3, offset 0xc0
0xc9: 0x0001,
// Block 0x4, offset 0x100
0x100: 0x0001,
// Block 0x5, offset 0x140
0x155: 0x0001,
// Block 0x6, offset 0x180
0x196: 0x0001,
// Block 0x7, offset 0x1c0
0x1ef: 0x0001,
// Block 0x8, offset 0x200
0x206: 0x0001,
// Block 0x9, offset 0x240
0x258: 0x0001,
// Block 0xa, offset 0x280
0x288: 0x0001,
// Block 0xb, offset 0x2c0
0x2f2: 0x0001,
// Block 0xc, offset 0x300
0x304: 0x0001,
// Block 0xd, offset 0x340
0x34b: 0x0001,
// Block 0xe, offset 0x380
0x3ba: 0x0001,
// Block 0xf, offset 0x3c0
0x3f5: 0x0001,
// Block 0x10, offset 0x400
0x41d: 0x0001,
// Block 0x11, offset 0x440
0x442: 0x0001,
// Block 0x12, offset 0x480
0x4bb: 0x0001,
// Block 0x13, offset 0x4c0
0x4e9: 0x0001,
// Block 0x14, offset 0x500
0x53e: 0x0001,
// Block 0x15, offset 0x540
0x55f: 0x0001,
// Block 0x16, offset 0x580
0x5b7: 0x0001,
// Block 0x17, offset 0x5c0
0x5d9: 0x0001,
// Block 0x18, offset 0x600
0x60e: 0x0001,
// Block 0x19, offset 0x640
0x652: 0x0001,
// Block 0x1a, offset 0x680
0x68f: 0x0001,
// Block 0x1b, offset 0x6c0
0x6dc: 0x0001,
// Block 0x1c, offset 0x700
0x703: 0x0001,
// Block 0x1d, offset 0x740
0x741: 0x0001,
// Block 0x1e, offset 0x780
0x79b: 0x0001,
// Block 0x1f, offset 0x7c0
0x7f1: 0x0001,
// Block 0x20, offset 0x800
0x833: 0x0001,
// Block 0x21, offset 0x840
0x853: 0x0001,
// Block 0x22, offset 0x880
0x8a2: 0x0001,
// Block 0x23, offset 0x8c0
0x8f8: 0x0001,
// Block 0x24, offset 0x900
0x917: 0x0001,
// Block 0x25, offset 0x940
0x945: 0x0001,
// Block 0x26, offset 0x980
0x99e: 0x0001,
// Block 0x27, offset 0x9c0
0x9fd: 0x0001,
// Block 0x28, offset 0xa00
0xa0d: 0x0001,
// Block 0x29, offset 0xa40
0xa66: 0x0001,
// Block 0x2a, offset 0xa80
0xaab: 0x0001,
// Block 0x2b, offset 0xac0
0xaea: 0x0001,
// Block 0x2c, offset 0xb00
0xb2d: 0x0001,
// Block 0x2d, offset 0xb40
0xb54: 0x0001,
// Block 0x2e, offset 0xb80
0xb90: 0x0001,
// Block 0x2f, offset 0xbc0
0xbe5: 0x0001,
// Block 0x30, offset 0xc00
0xc28: 0x0001,
// Block 0x31, offset 0xc40
0xc7c: 0x0001,
// Block 0x32, offset 0xc80
0xcbf: 0x0001,
// Block 0x33, offset 0xcc0
0xcc7: 0x0001,
// Block 0x34, offset 0xd00
0xd34: 0x0001,
// Block 0x35, offset 0xd40
0xd61: 0x0001,
// Block 0x36, offset 0xd80
0xdb9: 0x0001,
// Block 0x37, offset 0xdc0
0xdda: 0x0001,
}
// randIndex: 89 blocks, 5696 entries, 5696 bytes
// Block 0 is the zero block.
var randIndex = [5696]uint8{
// Block 0x0, offset 0x0
// Block 0x1, offset 0x40
// Block 0x2, offset 0x80
// Block 0x3, offset 0xc0
0xe1: 0x02, 0xe3: 0x03, 0xe4: 0x04,
0xea: 0x05, 0xeb: 0x06, 0xec: 0x07,
0xf0: 0x10, 0xf1: 0x24, 0xf2: 0x3d, 0xf3: 0x4f, 0xf4: 0x56,
// Block 0x4, offset 0x100
0x107: 0x01,
// Block 0x5, offset 0x140
0x16c: 0x02,
// Block 0x6, offset 0x180
0x19c: 0x03,
0x1ae: 0x04,
// Block 0x7, offset 0x1c0
0x1d8: 0x05,
0x1f7: 0x06,
// Block 0x8, offset 0x200
0x20c: 0x07,
// Block 0x9, offset 0x240
0x24a: 0x08,
// Block 0xa, offset 0x280
0x2b6: 0x09,
// Block 0xb, offset 0x2c0
0x2d5: 0x0a,
// Block 0xc, offset 0x300
0x31a: 0x0b,
// Block 0xd, offset 0x340
0x373: 0x0c,
// Block 0xe, offset 0x380
0x38b: 0x0d,
// Block 0xf, offset 0x3c0
0x3f0: 0x0e,
// Block 0x10, offset 0x400
0x433: 0x0f,
// Block 0x11, offset 0x440
0x45d: 0x10,
// Block 0x12, offset 0x480
0x491: 0x08, 0x494: 0x09, 0x497: 0x0a,
0x49b: 0x0b, 0x49c: 0x0c,
0x4a1: 0x0d,
0x4ad: 0x0e,
0x4ba: 0x0f,
// Block 0x13, offset 0x4c0
0x4c1: 0x11,
// Block 0x14, offset 0x500
0x531: 0x12,
// Block 0x15, offset 0x540
0x546: 0x13,
// Block 0x16, offset 0x580
0x5ab: 0x14,
// Block 0x17, offset 0x5c0
0x5d4: 0x11,
0x5fe: 0x11,
// Block 0x18, offset 0x600
0x618: 0x0a,
// Block 0x19, offset 0x640
0x65b: 0x15,
// Block 0x1a, offset 0x680
0x6a0: 0x16,
// Block 0x1b, offset 0x6c0
0x6d2: 0x17,
0x6f6: 0x18,
// Block 0x1c, offset 0x700
0x711: 0x19,
// Block 0x1d, offset 0x740
0x768: 0x1a,
// Block 0x1e, offset 0x780
0x783: 0x1b,
// Block 0x1f, offset 0x7c0
0x7f9: 0x1c,
// Block 0x20, offset 0x800
0x831: 0x1d,
// Block 0x21, offset 0x840
0x85e: 0x1e,
// Block 0x22, offset 0x880
0x898: 0x1f,
// Block 0x23, offset 0x8c0
0x8c7: 0x18,
0x8d5: 0x14,
0x8f7: 0x20,
0x8fe: 0x1f,
// Block 0x24, offset 0x900
0x905: 0x21,
// Block 0x25, offset 0x940
0x966: 0x03,
// Block 0x26, offset 0x980
0x981: 0x07, 0x983: 0x11,
0x989: 0x12, 0x98a: 0x13, 0x98e: 0x14, 0x98f: 0x15,
0x992: 0x16, 0x995: 0x17, 0x996: 0x18,
0x998: 0x19, 0x999: 0x1a, 0x99b: 0x1b, 0x99f: 0x1c,
0x9a3: 0x1d,
0x9ad: 0x1e, 0x9af: 0x1f,
0x9b0: 0x20, 0x9b1: 0x21,
0x9b8: 0x22, 0x9bd: 0x23,
// Block 0x27, offset 0x9c0
0x9cd: 0x22,
// Block 0x28, offset 0xa00
0xa0c: 0x08,
// Block 0x29, offset 0xa40
0xa6f: 0x1c,
// Block 0x2a, offset 0xa80
0xa90: 0x1a,
0xaaf: 0x23,
// Block 0x2b, offset 0xac0
0xae3: 0x19,
0xae8: 0x24,
0xafc: 0x25,
// Block 0x2c, offset 0xb00
0xb13: 0x26,
// Block 0x2d, offset 0xb40
0xb67: 0x1c,
// Block 0x2e, offset 0xb80
0xb8f: 0x0b,
// Block 0x2f, offset 0xbc0
0xbcb: 0x27,
0xbe7: 0x26,
// Block 0x30, offset 0xc00
0xc34: 0x16,
// Block 0x31, offset 0xc40
0xc62: 0x03,
// Block 0x32, offset 0xc80
0xcbb: 0x12,
// Block 0x33, offset 0xcc0
0xcdf: 0x09,
// Block 0x34, offset 0xd00
0xd34: 0x0a,
// Block 0x35, offset 0xd40
0xd41: 0x1e,
// Block 0x36, offset 0xd80
0xd83: 0x28,
// Block 0x37, offset 0xdc0
0xdc0: 0x15,
// Block 0x38, offset 0xe00
0xe1a: 0x15,
// Block 0x39, offset 0xe40
0xe65: 0x29,
// Block 0x3a, offset 0xe80
0xe86: 0x1f,
// Block 0x3b, offset 0xec0
0xeec: 0x18,
// Block 0x3c, offset 0xf00
0xf28: 0x2a,
// Block 0x3d, offset 0xf40
0xf53: 0x08,
// Block 0x3e, offset 0xf80
0xfa2: 0x2b,
0xfaa: 0x17,
// Block 0x3f, offset 0xfc0
0xfc0: 0x25, 0xfc2: 0x26,
0xfc9: 0x27, 0xfcd: 0x28, 0xfce: 0x29,
0xfd5: 0x2a,
0xfd8: 0x2b, 0xfd9: 0x2c, 0xfdf: 0x2d,
0xfe1: 0x2e, 0xfe2: 0x2f, 0xfe3: 0x30, 0xfe6: 0x31,
0xfe9: 0x32, 0xfec: 0x33, 0xfed: 0x34, 0xfef: 0x35,
0xff1: 0x36, 0xff2: 0x37, 0xff3: 0x38, 0xff4: 0x39,
0xffa: 0x3a, 0xffc: 0x3b, 0xffe: 0x3c,
// Block 0x40, offset 0x1000
0x102c: 0x2c,
// Block 0x41, offset 0x1040
0x1074: 0x2c,
// Block 0x42, offset 0x1080
0x108c: 0x08,
0x10a0: 0x2d,
// Block 0x43, offset 0x10c0
0x10e8: 0x10,
// Block 0x44, offset 0x1100
0x110f: 0x13,
// Block 0x45, offset 0x1140
0x114b: 0x2e,
// Block 0x46, offset 0x1180
0x118b: 0x23,
0x119d: 0x0c,
// Block 0x47, offset 0x11c0
0x11c3: 0x12,
0x11f9: 0x0f,
// Block 0x48, offset 0x1200
0x121e: 0x1b,
// Block 0x49, offset 0x1240
0x1270: 0x2f,
// Block 0x4a, offset 0x1280
0x128a: 0x1b,
0x12a7: 0x02,
// Block 0x4b, offset 0x12c0
0x12fb: 0x14,
// Block 0x4c, offset 0x1300
0x1333: 0x30,
// Block 0x4d, offset 0x1340
0x134d: 0x31,
// Block 0x4e, offset 0x1380
0x138e: 0x15,
// Block 0x4f, offset 0x13c0
0x13f4: 0x32,
// Block 0x50, offset 0x1400
0x141b: 0x33,
// Block 0x51, offset 0x1440
0x1448: 0x3e, 0x1449: 0x3f, 0x144a: 0x40, 0x144f: 0x41,
0x1459: 0x42, 0x145c: 0x43, 0x145e: 0x44, 0x145f: 0x45,
0x1468: 0x46, 0x1469: 0x47, 0x146c: 0x48, 0x146d: 0x49, 0x146e: 0x4a,
0x1472: 0x4b, 0x1473: 0x4c,
0x1479: 0x4d, 0x147b: 0x4e,
// Block 0x52, offset 0x1480
0x1480: 0x34,
0x1499: 0x11,
0x14b6: 0x2c,
// Block 0x53, offset 0x14c0
0x14e4: 0x0d,
// Block 0x54, offset 0x1500
0x1527: 0x08,
// Block 0x55, offset 0x1540
0x1555: 0x2b,
// Block 0x56, offset 0x1580
0x15b2: 0x35,
// Block 0x57, offset 0x15c0
0x15f2: 0x1c, 0x15f4: 0x29,
// Block 0x58, offset 0x1600
0x1600: 0x50, 0x1603: 0x51,
0x1608: 0x52, 0x160a: 0x53, 0x160d: 0x54, 0x160e: 0x55,
}
// lookup returns the trie value for the first UTF-8 encoding in s and
// the width in bytes of this encoding. The size will be 0 if s does not
// hold enough bytes to complete the encoding. len(s) must be greater than 0.
func (t *multiTrie) lookup(s []byte) (v uint64, sz int) {
c0 := s[0]
switch {
case c0 < 0x80: // is ASCII
return t.ascii[c0], 1
case c0 < 0xC2:
return 0, 1 // Illegal UTF-8: not a starter, not ASCII.
case c0 < 0xE0: // 2-byte UTF-8
if len(s) < 2 {
return 0, 0
}
i := t.utf8Start[c0]
c1 := s[1]
if c1 < 0x80 || 0xC0 <= c1 {
return 0, 1 // Illegal UTF-8: not a continuation byte.
}
return t.lookupValue(uint32(i), c1), 2
case c0 < 0xF0: // 3-byte UTF-8
if len(s) < 3 {
return 0, 0
}
i := t.utf8Start[c0]
c1 := s[1]
if c1 < 0x80 || 0xC0 <= c1 {
return 0, 1 // Illegal UTF-8: not a continuation byte.
}
o := uint32(i)<<6 + uint32(c1)
i = multiIndex[o]
c2 := s[2]
if c2 < 0x80 || 0xC0 <= c2 {
return 0, 2 // Illegal UTF-8: not a continuation byte.
}
return t.lookupValue(uint32(i), c2), 3
case c0 < 0xF8: // 4-byte UTF-8
if len(s) < 4 {
return 0, 0
}
i := t.utf8Start[c0]
c1 := s[1]
if c1 < 0x80 || 0xC0 <= c1 {
return 0, 1 // Illegal UTF-8: not a continuation byte.
}
o := uint32(i)<<6 + uint32(c1)
i = multiIndex[o]
c2 := s[2]
if c2 < 0x80 || 0xC0 <= c2 {
return 0, 2 // Illegal UTF-8: not a continuation byte.
}
o = uint32(i)<<6 + uint32(c2)
i = multiIndex[o]
c3 := s[3]
if c3 < 0x80 || 0xC0 <= c3 {
return 0, 3 // Illegal UTF-8: not a continuation byte.
}
return t.lookupValue(uint32(i), c3), 4
}
// Illegal rune
return 0, 1
}
// lookupUnsafe returns the trie value for the first UTF-8 encoding in s.
// s must start with a full and valid UTF-8 encoded rune.
func (t *multiTrie) lookupUnsafe(s []byte) uint64 {
c0 := s[0]
if c0 < 0x80 { // is ASCII
return t.ascii[c0]
}
i := t.utf8Start[c0]
if c0 < 0xE0 { // 2-byte UTF-8
return t.lookupValue(uint32(i), s[1])
}
i = multiIndex[uint32(i)<<6+uint32(s[1])]
if c0 < 0xF0 { // 3-byte UTF-8
return t.lookupValue(uint32(i), s[2])
}
i = multiIndex[uint32(i)<<6+uint32(s[2])]
if c0 < 0xF8 { // 4-byte UTF-8
return t.lookupValue(uint32(i), s[3])
}
return 0
}
// lookupString returns the trie value for the first UTF-8 encoding in s and
// the width in bytes of this encoding. The size will be 0 if s does not
// hold enough bytes to complete the encoding. len(s) must be greater than 0.
func (t *multiTrie) lookupString(s string) (v uint64, sz int) {
c0 := s[0]
switch {
case c0 < 0x80: // is ASCII
return t.ascii[c0], 1
case c0 < 0xC2:
return 0, 1 // Illegal UTF-8: not a starter, not ASCII.
case c0 < 0xE0: // 2-byte UTF-8
if len(s) < 2 {
return 0, 0
}
i := t.utf8Start[c0]
c1 := s[1]
if c1 < 0x80 || 0xC0 <= c1 {
return 0, 1 // Illegal UTF-8: not a continuation byte.
}
return t.lookupValue(uint32(i), c1), 2
case c0 < 0xF0: // 3-byte UTF-8
if len(s) < 3 {
return 0, 0
}
i := t.utf8Start[c0]
c1 := s[1]
if c1 < 0x80 || 0xC0 <= c1 {
return 0, 1 // Illegal UTF-8: not a continuation byte.
}
o := uint32(i)<<6 + uint32(c1)
i = multiIndex[o]
c2 := s[2]
if c2 < 0x80 || 0xC0 <= c2 {
return 0, 2 // Illegal UTF-8: not a continuation byte.
}
return t.lookupValue(uint32(i), c2), 3
case c0 < 0xF8: // 4-byte UTF-8
if len(s) < 4 {
return 0, 0
}
i := t.utf8Start[c0]
c1 := s[1]
if c1 < 0x80 || 0xC0 <= c1 {
return 0, 1 // Illegal UTF-8: not a continuation byte.
}
o := uint32(i)<<6 + uint32(c1)
i = multiIndex[o]
c2 := s[2]
if c2 < 0x80 || 0xC0 <= c2 {
return 0, 2 // Illegal UTF-8: not a continuation byte.
}
o = uint32(i)<<6 + uint32(c2)
i = multiIndex[o]
c3 := s[3]
if c3 < 0x80 || 0xC0 <= c3 {
return 0, 3 // Illegal UTF-8: not a continuation byte.
}
return t.lookupValue(uint32(i), c3), 4
}
// Illegal rune
return 0, 1
}
// lookupStringUnsafe returns the trie value for the first UTF-8 encoding in s.
// s must start with a full and valid UTF-8 encoded rune.
func (t *multiTrie) lookupStringUnsafe(s string) uint64 {
c0 := s[0]
if c0 < 0x80 { // is ASCII
return t.ascii[c0]
}
i := t.utf8Start[c0]
if c0 < 0xE0 { // 2-byte UTF-8
return t.lookupValue(uint32(i), s[1])
}
i = multiIndex[uint32(i)<<6+uint32(s[1])]
if c0 < 0xF0 { // 3-byte UTF-8
return t.lookupValue(uint32(i), s[2])
}
i = multiIndex[uint32(i)<<6+uint32(s[2])]
if c0 < 0xF8 { // 4-byte UTF-8
return t.lookupValue(uint32(i), s[3])
}
return 0
}
// multiTrie. Total size: 18250 bytes (17.82 KiB). Checksum: a69a609d8696aa5e.
type multiTrie struct {
ascii []uint64 // index for ASCII bytes
utf8Start []uint8 // index for UTF-8 bytes >= 0xC0
}
func newMultiTrie(i int) *multiTrie {
h := multiTrieHandles[i]
return &multiTrie{multiValues[uint32(h.ascii)<<6:], multiIndex[uint32(h.multi)<<6:]}
}
type multiTrieHandle struct {
ascii, multi uint8
}
// multiTrieHandles: 5 handles, 10 bytes
var multiTrieHandles = [5]multiTrieHandle{
{0, 0}, // 8c1e77823143d35c: all
{0, 23}, // 8fb58ff8243b45b0: ASCII only
{0, 23}, // 8fb58ff8243b45b0: ASCII only 2
{0, 24}, // 2ccc43994f11046f: BMP only
{30, 25}, // ce448591bdcb4733: No BMP
}
// lookupValue determines the type of block n and looks up the value for b.
func (t *multiTrie) lookupValue(n uint32, b byte) uint64 {
switch {
default:
return uint64(multiValues[n<<6+uint32(b)])
}
}
// multiValues: 32 blocks, 2048 entries, 16384 bytes
// The third block is the zero block.
var multiValues = [2048]uint64{
// Block 0x0, offset 0x0
0x03: 0x6e361699800b9fb8, 0x04: 0x52d3935a34f6f0b, 0x05: 0x2948319393e7ef10,
0x07: 0x20f03b006704f663, 0x08: 0x6c15c0732bb2495f, 0x09: 0xe54e2c59d953551,
0x0f: 0x33d8a825807d8037, 0x10: 0x6ecd93cb12168b92, 0x11: 0x6a81c9c0ce86e884,
0x1f: 0xa03e77aac8be79b, 0x20: 0x28591d0e7e486efa, 0x21: 0x716fa3bc398dec8,
0x3f: 0x4fd3bcfa72bce8b0,
// Block 0x1, offset 0x40
0x40: 0x3cbaef3db8ba5f12, 0x41: 0x2d262347c1f56357,
0x7f: 0x782caa2d25a418a9,
// Block 0x2, offset 0x80
// Block 0x3, offset 0xc0
0xc0: 0x6bbd1f937b1ff5d2, 0xc1: 0x732e23088d2eb8a4,
// Block 0x4, offset 0x100
0x13f: 0x56f8c4c82f5962dc,
// Block 0x5, offset 0x140
0x140: 0x57dc4544729a5da2, 0x141: 0x2f62f9cd307ffa0d,
// Block 0x6, offset 0x180
0x1bf: 0x7bf4d0ebf302a088,
// Block 0x7, offset 0x1c0
0x1c0: 0x1f0d67f249e59931, 0x1c1: 0x3011def73aa550c7,
// Block 0x8, offset 0x200
0x23f: 0x5de81c1dff6bf29d,
// Block 0x9, offset 0x240
0x240: 0x752c035737b825e8, 0x241: 0x1e793399081e3bb3,
// Block 0xa, offset 0x280
0x2bf: 0x6a28f01979cbf059,
// Block 0xb, offset 0x2c0
0x2c0: 0x373a4b0f2cbd4c74, 0x2c1: 0x4fd2c288683b767c,
// Block 0xc, offset 0x300
0x33f: 0x5a10ffa9e29184fb,
// Block 0xd, offset 0x340
0x340: 0x700f9bdb53fff6a5, 0x341: 0xcde93df0427eb79,
// Block 0xe, offset 0x380
0x3bf: 0x74071288fff39c76,
// Block 0xf, offset 0x3c0
0x3c0: 0x481fc2f510e5268a, 0x3c1: 0x7565c28164204849,
// Block 0x10, offset 0x400
0x43f: 0x5676a62fd49c6bec,
// Block 0x11, offset 0x440
0x440: 0x2f2d15776cbafc6b, 0x441: 0x4c55e8dc0ff11a3f,
// Block 0x12, offset 0x480
0x4bf: 0x69d6f0fe711fafc9,
// Block 0x13, offset 0x4c0
0x4c0: 0x33181de28cfb062d, 0x4c1: 0x2ef3adc6bb2f2d02,
// Block 0x14, offset 0x500
0x53f: 0xe03b31814c95f8b,
// Block 0x15, offset 0x540
0x540: 0x3bf6dc9a1c115603, 0x541: 0x6984ec9b7f51f7fc,
// Block 0x16, offset 0x580
0x5bf: 0x3c02ea92fb168559,
// Block 0x17, offset 0x5c0
0x5c0: 0x1badfe42e7629494, 0x5c1: 0x6dc4a554005f7645,
// Block 0x18, offset 0x600
0x63f: 0x3bb2ed2a72748f4b,
// Block 0x19, offset 0x640
0x640: 0x291354cd6767ec10, 0x641: 0x2c3a4715e3c070d6,
// Block 0x1a, offset 0x680
0x6bf: 0x352711cfb7236418,
// Block 0x1b, offset 0x6c0
0x6c0: 0x3a59d34fb8bceda, 0x6c1: 0x5e90d8ebedd64fa1,
// Block 0x1c, offset 0x700
0x73f: 0x7191a77b28d23110,
// Block 0x1d, offset 0x740
0x740: 0x4ca7f0c1623423d8, 0x741: 0x4f7156d996e2d0de,
// Block 0x1e, offset 0x780
// Block 0x1f, offset 0x7c0
}
// multiIndex: 29 blocks, 1856 entries, 1856 bytes
// Block 0 is the zero block.
var multiIndex = [1856]uint8{
// Block 0x0, offset 0x0
// Block 0x1, offset 0x40
// Block 0x2, offset 0x80
// Block 0x3, offset 0xc0
0xc2: 0x01, 0xc3: 0x02, 0xc4: 0x03, 0xc7: 0x04,
0xc8: 0x05, 0xcf: 0x06,
0xd0: 0x07,
0xdf: 0x08,
0xe0: 0x02, 0xe1: 0x03, 0xe2: 0x04, 0xe3: 0x05, 0xe4: 0x06, 0xe7: 0x07,
0xe8: 0x08, 0xef: 0x09,
0xf0: 0x0e, 0xf1: 0x11, 0xf2: 0x13, 0xf3: 0x15, 0xf4: 0x17,
// Block 0x4, offset 0x100
0x120: 0x09,
0x13f: 0x0a,
// Block 0x5, offset 0x140
0x140: 0x0b,
0x17f: 0x0c,
// Block 0x6, offset 0x180
0x180: 0x0d,
// Block 0x7, offset 0x1c0
0x1ff: 0x0e,
// Block 0x8, offset 0x200
0x200: 0x0f,
// Block 0x9, offset 0x240
0x27f: 0x10,
// Block 0xa, offset 0x280
0x280: 0x11,
// Block 0xb, offset 0x2c0
0x2ff: 0x12,
// Block 0xc, offset 0x300
0x300: 0x13,
// Block 0xd, offset 0x340
0x37f: 0x14,
// Block 0xe, offset 0x380
0x380: 0x15,
// Block 0xf, offset 0x3c0
0x3ff: 0x16,
// Block 0x10, offset 0x400
0x410: 0x0a,
0x41f: 0x0b,
0x420: 0x0c,
0x43f: 0x0d,
// Block 0x11, offset 0x440
0x440: 0x17,
// Block 0x12, offset 0x480
0x4bf: 0x18,
// Block 0x13, offset 0x4c0
0x4c0: 0x0f,
0x4ff: 0x10,
// Block 0x14, offset 0x500
0x500: 0x19,
// Block 0x15, offset 0x540
0x540: 0x12,
// Block 0x16, offset 0x580
0x5bf: 0x1a,
// Block 0x17, offset 0x5c0
0x5ff: 0x14,
// Block 0x18, offset 0x600
0x600: 0x1b,
// Block 0x19, offset 0x640
0x640: 0x16,
// Block 0x1a, offset 0x680
// Block 0x1b, offset 0x6c0
0x6c2: 0x01, 0x6c3: 0x02, 0x6c4: 0x03, 0x6c7: 0x04,
0x6c8: 0x05, 0x6cf: 0x06,
0x6d0: 0x07,
0x6df: 0x08,
0x6e0: 0x02, 0x6e1: 0x03, 0x6e2: 0x04, 0x6e3: 0x05, 0x6e4: 0x06, 0x6e7: 0x07,
0x6e8: 0x08, 0x6ef: 0x09,
// Block 0x1c, offset 0x700
0x730: 0x0e, 0x731: 0x11, 0x732: 0x13, 0x733: 0x15, 0x734: 0x17,
}
|