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 | 19x 64832x 64830x 576269x 576269x 539450x 539446x 36819x 4219x 4219x 4219x 4218x 32600x 26939x 26939x 26939x 26939x 26938x 5661x 5661x 5661x 5661x 5661x 5661x 5661x 41100x 41100x 372254x 372254x 347334x 347334x 24920x 3090x 3090x 3090x 21830x 18212x 18212x 18212x 18212x 3618x 3618x 3618x 3618x 3618x 3618x 3618x 41100x | 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 & 0x7_c0) << 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 & 0xf0_00) << 12; const b = (code & 0xf_c0) << 10; const c = (code & 0x3f) << 8; ctx.view.setUint32(ctx.i, a | b | c | 0xe0_80_80_00); 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 & 0x1c_00_00) << 6; const b = (code & 0x3_f0_00) << 4; const c = (code & 0xf_c0) << 2; const d = code & 0x3f; ctx.view.setUint32(ctx.i, a | b | c | d | 0xf0_80_80_80); ctx.i += 4; } } }, decode(ctx, end) { const codes: number[] = []; 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 & 0x3f_00_00) >> 4; const c = (u & 0x3f_00) >> 2; const d = u & 0x3f; codes.push(a | b | c | d); ctx.i += 4; } } return String.fromCodePoint.apply(null, codes); } }; |