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 2496x 2496x 2496x 329x 2167x 2496x 2496x 2496x 2496x 297771x 22618x 275153x 275153x 275153x 119371x 34970x 3287x 37284x 6x 26040x 4486x 13298x 34970x 34970x 34970x 8610x 8610x 2x 34970x 34970x 34970x 3287x 3287x 3287x 3287x 3287x 37284x 37284x 37284x 37284x 37284x 37284x 97417x 97417x 97417x 37284x 37284x 6x 6x 6x 6x 6x 6x 18x 18x 16x 16x 6x 6x 26040x 26040x 26040x 26040x 26040x 26040x 108872x 108872x 108872x 108872x 57686x 26040x 26040x 4486x 4486x 4486x 4486x 4486x 4486x 57436x 57436x 57436x 57436x 14474x 4486x 4486x 13298x 13298x 13298x 13298x 13298x 13298x 12090x 12090x 12090x 12090x 16199x 11002x 13298x 13298x | 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;
}
}
|