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 | 169x 169x 169x 169x 3072791x 3072791x 3072791x 3072791x 3072791x 3072791x 3072791x 3072791x 3072791x 3072791x 3072791x 3072791x 750566x 750566x 746231x 652695x 652695x 652695x 652695x 93536x 93536x 93536x 754089x 754089x 14x 14x 7636x 169x 189108x 187769x 168879x 168879x 3811836x 168879x 189108x 5023x 1584770x 2087063x 2513x | import {type ITimestampStruct, tick} from '../../../json-crdt-patch/clock';
import {AbstractRga, type Chunk} from '../rga/AbstractRga';
import {next} from 'sonic-forest/lib/util';
import type {JsonNode} from '..';
/**
* @ignore
* @category CRDT Node
*/
export class StrChunk implements Chunk<string> {
public readonly id: ITimestampStruct;
public span: number;
public del: boolean;
public data: string;
public len: number;
public p: StrChunk | undefined;
public l: StrChunk | undefined;
public r: StrChunk | undefined;
public p2: StrChunk | undefined;
public l2: StrChunk | undefined;
public r2: StrChunk | undefined;
public s: StrChunk | undefined;
constructor(id: ITimestampStruct, span: number, str: string) {
this.id = id;
this.span = span;
this.len = str ? span : 0;
this.del = !str;
this.p = undefined;
this.l = undefined;
this.r = undefined;
this.p2 = undefined;
this.l2 = undefined;
this.r2 = undefined;
this.s = undefined;
this.data = str;
}
public merge(str: string) {
this.data += str;
this.span = this.data.length;
}
public split(ticks: number): StrChunk {
if (!this.del) {
const chunk = new StrChunk(tick(this.id, ticks), this.span - ticks, this.data.slice(ticks));
this.data = this.data.slice(0, ticks);
this.span = ticks;
return chunk;
}
const chunk = new StrChunk(tick(this.id, ticks), this.span - ticks, '');
this.span = ticks;
return chunk;
}
public delete(): void {
this.del = true;
this.data = '';
}
public clone(): StrChunk {
const chunk = new StrChunk(this.id, this.span, this.data);
return chunk;
}
public view(): string {
return this.data;
}
}
/**
* Represents the `str` type in JSON CRDT. The `str` type is a RGA (Replicated
* Growable Array) of UTF-16 code units.
*
* @category CRDT Node
*/
export class StrNode<T extends string = string> extends AbstractRga<string> implements JsonNode<string> {
// ----------------------------------------------------------------- JsonNode
/** @ignore */
public children() {}
/** @ignore */
public child() {
return undefined;
}
/** @ignore */
public container(): JsonNode | undefined {
return undefined;
}
/** @ignore */
private _view: string = '';
public view(): T {
if (this._view) return this._view as T;
let str = '';
for (let chunk = this.first(); chunk; chunk = next(chunk))
// TODO: Check if this optimization improves performance: if (!chunk.del) str += chunk.data;
str += chunk.data;
return (this._view = str) as T;
}
/** @ignore */
public api: undefined | unknown = undefined;
public name(): string {
return 'str';
}
// -------------------------------------------------------------- AbstractRga
/** @ignore */
public createChunk(id: ITimestampStruct, str: string | undefined): StrChunk {
return new StrChunk(id, str ? str.length : 0, str || '');
}
/** @ignore */
protected onChange(): void {
this._view = '';
}
protected toStringName(): string {
return this.name();
}
}
|