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 | 161x 161x 161x 515263x 515263x 515263x 515263x 515263x 515263x 515263x 515263x 515263x 1322x 1322x 1322x 1322x 1322x 1322x 83900x 77957x 77957x 77957x 77957x 77957x 77957x 5943x 5943x 5943x 112851x 112851x 1x 161x 32840x 53034x 51402x 51402x 51402x 51402x 942834x 318034x 318034x 318034x 942834x 51402x 32840x 2440x 110052x 157109x 1220x | import type {JsonNode} from '..';
import {type ITimestampStruct, tick} from '../../../json-crdt-patch/clock';
import {AbstractRga, type Chunk} from '../rga/AbstractRga';
/**
* @ignore
* @category CRDT Node
*/
export class BinChunk implements Chunk<Uint8Array> {
public readonly id: ITimestampStruct;
public span: number;
public del: boolean;
public data: Uint8Array | undefined;
public len: number;
public p: BinChunk | undefined;
public l: BinChunk | undefined;
public r: BinChunk | undefined;
public p2: BinChunk | undefined;
public l2: BinChunk | undefined;
public r2: BinChunk | undefined;
public s: BinChunk | undefined;
constructor(id: ITimestampStruct, span: number, buf: Uint8Array | undefined) {
this.id = id;
this.span = span;
this.len = buf ? span : 0;
this.del = !buf;
this.p = undefined;
this.l = undefined;
this.r = undefined;
this.s = undefined;
this.data = buf;
}
public merge(data: Uint8Array) {
const length = this.data!.length;
const combined = new Uint8Array(length + data.length);
combined.set(this.data!);
combined.set(data, length);
this.data = combined;
this.span = combined.length;
}
public split(ticks: number): BinChunk {
if (!this.del) {
const data = this.data!;
const rightBuffer = data.subarray(ticks);
const chunk = new BinChunk(tick(this.id, ticks), this.span - ticks, rightBuffer);
this.data = data.subarray(0, ticks);
this.span = ticks;
return chunk;
}
const chunk = new BinChunk(tick(this.id, ticks), this.span - ticks, undefined);
this.span = ticks;
return chunk;
}
public delete(): void {
this.del = true;
this.data = undefined;
}
public clone(): BinChunk {
const chunk = new BinChunk(this.id, this.span, this.data);
return chunk;
}
public view(): Uint8Array {
return this.data || new Uint8Array(0);
}
}
/**
* Represents the `bin` type in JSON CRDT. The `bin` is a blob of binary data,
* powered by a Replicated Growable Array (RGA) algorithm.
*
* @category CRDT Node
*/
export class BinNode extends AbstractRga<Uint8Array> implements JsonNode<Uint8Array> {
// ----------------------------------------------------------------- JsonNode
/** @ignore */
private _view: null | Uint8Array = null;
public view(): Uint8Array {
if (this._view) return this._view;
const res = new Uint8Array(this.length());
let offset = 0;
let chunk = this.first();
while (chunk) {
if (!chunk.del) {
const buf = chunk.data!;
res.set(buf, offset);
offset += buf.length;
}
chunk = this.next(chunk);
}
return (this._view = res);
}
/** @ignore */
public children() {}
/** @ignore */
public child() {
return undefined;
}
/** @ignore */
public container(): JsonNode | undefined {
return undefined;
}
/** @ignore */
public api: undefined | unknown = undefined;
public name(): string {
return 'bin';
}
// -------------------------------------------------------------- AbstractRga
/** @ignore */
public createChunk(id: ITimestampStruct, buf: Uint8Array | undefined): BinChunk {
return new BinChunk(id, buf ? buf.length : 0, buf);
}
/** @ignore */
protected onChange(): void {
this._view = null;
}
protected toStringName(): string {
return this.name();
}
}
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