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 | 14x 34084x 34083x 259229x 259229x 239091x 239087x 20138x 2731x 2731x 2731x 2731x 17407x 14420x 14420x 14420x 14420x 14420x 2987x 2987x 2987x 2987x 2987x 2987x 2986x 20598x 20598x 20598x 159896x 159896x 146176x 146176x 13720x 2090x 2090x 2090x 11630x 9812x 9812x 9812x 9812x 1818x 1818x 1818x 1818x 1818x 1818x 1818x 20598x | import { Encoding } from "../types"; export const utf8js: Encoding<string> = { encode(ctx, data) { const { length } = data; for (let i = 0; i < length; i++) { const code = data.charCodeAt(i) as number; if (code < 0x80) { // 0xxxxxxx ctx.view.setUint8(ctx.i, code); ctx.i++; } else if (code < 0x800) { // .... .aaa - aabb bbbb // 110a aaaa - 10bb bbbb const a = (code & 0x7c0) << 2; const b = code & 0x3f; ctx.view.setUint16(ctx.i, a | b | 0xc080); ctx.i += 2; } else if (code < 0xd800 || code >= 0xe000) { // .... .... - .... .... - aaaa bbbb - bbcc cccc // 1110 aaaa - 10bb bbbb - 10cc cccc - .... .... const a = (code & 0xf000) << 12; const b = (code & 0xfc0) << 10; const c = (code & 0x3f) << 8; ctx.view.setUint32(ctx.i, a | b | c | 0xe0808000); ctx.i += 3; } else { const code = data.codePointAt(i++) as number; // .... .... - .... aabb - bbbb cccc - ccdd dddd // 1111 00aa - 10bb bbbb - 10cc cccc - 10dd dddd const a = (code & 0x1c0000) << 6; const b = (code & 0x3f000) << 4; const c = (code & 0xfc0) << 2; const d = code & 0x3f; ctx.view.setUint32(ctx.i, a | b | c | d | 0xf0808080); ctx.i += 4; } } }, decode(ctx, size) { const codes: number[] = []; const end = ctx.i + size; while (ctx.i < end) { const s = ctx.view.getUint8(ctx.i); if (s < 192) { // 0xxxxxxx codes.push(s); ctx.i++; } else if (s < 224) { // 110a aaaa // 10bb bbbb // aaa aabb bbbb const b = ctx.view.getUint8(ctx.i + 1); ctx.i += 2; codes.push(((s & 0x1f) << 6) | (b & 0x3f)); } else if (s < 240) { // 1110 aaaa // 10bb bbbb // 10cc cccc // aaaa bbbb bbcc cccc const b = ctx.view.getUint8(ctx.i + 1); const c = ctx.view.getUint8(ctx.i + 2); ctx.i += 3; codes.push( ((s & 0x0f) << 12) | ((b & 0x3f) << 6) | (c & 0x3f) ); } else { // 1111 0aaa, 10bb bbbb, 10cc cccc, 10dd dddd // a aabb, bbbb cccc, ccdd dddd const u = ctx.view.getUint32(ctx.i); const a = (s & 0x7) << 18; const b = (u & 0x3f0000) >> 4; const c = (u & 0x3f00) >> 2; const d = u & 0x3f; codes.push(a | b | c | d); ctx.i += 4; } } return String.fromCodePoint(...codes); } }; |