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 | 158x 158x 158x 565303x 565303x 565303x 565303x 565303x 565303x 565303x 565303x 565303x 1291x 1291x 1291x 1291x 1291x 1291x 87184x 80811x 80811x 80811x 80811x 80811x 80811x 6373x 6373x 6373x 115876x 115876x 158x 35662x 54290x 52403x 52403x 52403x 52403x 961273x 322484x 322484x 322484x 961273x 52403x 35662x 2440x 112478x 160720x 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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