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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 | 18x 18x 18x 18x 18x 18x 2497x 2497x 2497x 329x 2168x 2497x 2497x 2497x 2497x 281341x 22618x 258723x 258723x 258723x 108135x 30292x 2778x 33364x 6x 24921x 3519x 13255x 30292x 30292x 30292x 7615x 7615x 2x 30292x 30292x 30292x 2778x 2778x 2778x 2778x 2778x 33364x 33364x 33364x 33364x 33364x 33364x 87780x 87780x 87780x 33364x 33364x 6x 6x 6x 6x 6x 6x 18x 18x 16x 16x 6x 6x 24921x 24921x 24921x 24921x 24921x 24921x 111387x 111387x 111387x 111387x 56219x 24921x 24921x 3519x 3519x 3519x 3519x 3519x 3519x 50276x 50276x 50276x 50276x 12282x 3519x 3519x 13255x 13255x 13255x 13255x 13255x 13255x 11541x 11541x 11541x 11541x 15108x 10403x 13255x 13255x | import * as nodes from '../../../nodes';
import {ClockDecoder} from '../../../../json-crdt-patch/codec/clock/ClockDecoder';
import {type ITimestampStruct, Timestamp} from '../../../../json-crdt-patch/clock';
import {Model, UNDEFINED} from '../../../model/Model';
import {JsonCrdtDataType, SESSION} from '../../../../json-crdt-patch/constants';
import type * as t from './types';
export class Decoder {
protected time?: number;
protected clockDecoder?: ClockDecoder;
public decode(doc: t.JsonCrdtCompactDocument): Model {
const [time, root] = doc;
const isServerTime = typeof time === 'number';
if (isServerTime) {
this.time = time;
} else {
this.clockDecoder = ClockDecoder.fromArr(time as number[]);
}
const model = isServerTime
? Model.withServerClock(time as number)
: Model.withLogicalClock(this.clockDecoder!.clock);
const val = root ? this.decNode(model, root) : UNDEFINED;
model.root = new nodes.RootNode(model, val.id);
return model;
}
protected ts(x: t.JsonCrdtCompactTimestamp): ITimestampStruct {
if (typeof x === 'number') {
return new Timestamp(SESSION.SERVER, this.time! - x);
} else {
const [sid, time] = x as [number, number];
if (sid < 0) {
return this.clockDecoder!.decodeId(-sid, time);
} else E{
return new Timestamp(sid, time);
}
}
}
protected decNode(model: Model, node: t.JsonCrdtCompactNode): nodes.JsonNode {
switch (node[0]) {
case JsonCrdtDataType.con:
return this.decCon(model, node);
case JsonCrdtDataType.val:
return this.decVal(model, node);
case JsonCrdtDataType.obj:
return this.decObj(model, node);
case JsonCrdtDataType.vec:
return this.decVec(model, node);
case JsonCrdtDataType.str:
return this.decStr(model, node);
case JsonCrdtDataType.bin:
return this.decBin(model, node);
case JsonCrdtDataType.arr:
return this.decArr(model, node);
}
throw new Error('UNKNOWN_NODE');
}
protected decCon(doc: Model, node: t.JsonCrdtCompactCon): nodes.ConNode {
const id = this.ts(node[1]);
let data: unknown | undefined | Timestamp = node[2];
if (node.length > 3) {
const specialData = node[3] as unknown;
if (!specialData) data = undefined;
else data = this.ts(specialData as t.JsonCrdtCompactTimestamp);
}
const obj = new nodes.ConNode(id, data);
doc.index.set(id, obj);
return obj;
}
protected decVal(doc: Model, node: t.JsonCrdtCompactVal): nodes.ValNode {
const id = this.ts(node[1]);
const child = this.decNode(doc, node[2]);
const obj = new nodes.ValNode(doc, id, child.id);
doc.index.set(id, obj);
return obj;
}
protected decObj(model: Model, node: t.JsonCrdtCompactObj): nodes.ObjNode {
const id = this.ts(node[1]);
const obj = new nodes.ObjNode(model, id);
const map = node[2] as t.JsonCrdtCompactObj[2];
const keys = Object.keys(map);
const length = keys.length;
for (let i = 0; i < length; i++) {
const key = keys[i];
const val = this.decNode(model, map[key]);
obj.put(key, val.id);
}
model.index.set(id, obj);
return obj;
}
protected decVec(model: Model, node: t.JsonCrdtCompactVec): nodes.VecNode {
const id = this.ts(node[1]);
const obj = new nodes.VecNode(model, id);
const map = node[2] as t.JsonCrdtCompactVec[2];
const elements = obj.elements;
const length = map.length;
for (let i = 0; i < length; i++) {
const item = map[i];
if (!item) elements.push(undefined);
else {
const child = this.decNode(model, item);
elements.push(child.id);
}
}
model.index.set(id, obj);
return obj;
}
protected decStr(doc: Model, node: t.JsonCrdtCompactStr): nodes.StrNode {
const id = this.ts(node[1]);
const obj = new nodes.StrNode(id);
const chunks = node[2] as t.JsonCrdtCompactStr[2];
const size = chunks.length;
let i = 0;
obj.ingest(size, () => {
const chunk = chunks[i++];
const chunkId = this.ts(chunk[0]);
const content = chunk[1];
if (typeof content === 'number') return new nodes.StrChunk(chunkId, content, '');
return new nodes.StrChunk(chunkId, (content as string).length, content as string);
});
doc.index.set(id, obj);
return obj;
}
protected decBin(doc: Model, node: t.JsonCrdtCompactBin): nodes.BinNode {
const id = this.ts(node[1]);
const obj = new nodes.BinNode(id);
const chunks = node[2] as t.JsonCrdtCompactBin[2];
const size = chunks.length;
let i = 0;
obj.ingest(size, () => {
const chunk = chunks[i++];
const chunkId = this.ts(chunk[0]);
const content = chunk[1];
if (typeof content === 'number') return new nodes.BinChunk(chunkId, content, undefined);
return new nodes.BinChunk(chunkId, content.length, content);
});
doc.index.set(id, obj);
return obj;
}
protected decArr(doc: Model, node: t.JsonCrdtCompactArr): nodes.ArrNode {
const id = this.ts(node[1]);
const obj = new nodes.ArrNode(doc, id);
const chunks = node[2] as t.JsonCrdtCompactArr[2];
const size = chunks.length;
let i = 0;
obj.ingest(size, () => {
const chunk = chunks[i++];
const chunkId = this.ts(chunk[0]);
const content = chunk[1];
if (typeof content === 'number') return new nodes.ArrChunk(chunkId, content, undefined);
const ids = (content as t.JsonCrdtCompactNode[]).map((c) => this.decNode(doc, c).id);
return new nodes.ArrChunk(chunkId, content.length, ids);
});
doc.index.set(id, obj);
return obj;
}
}
|