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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 | 13x 13x 13x 13x 13x 1952x 1952x 1952x 1952x 1626x 1626x 1626x 1626x 25282x 25282x 25282x 1626x 231456x 231456x 1952x 1952x 1952x 72606x 22852x 8146x 16480x 861x 21281x 3x 2983x 22852x 22852x 22852x 22852x 22852x 60862x 60862x 22852x 22852x 3x 3x 3x 3x 3x 3x 9x 9x 8x 3x 3x 8146x 8146x 8146x 8146x 8146x 5306x 5306x 7161x 7161x 7161x 655x 8923x 6506x 8146x 8146x 16480x 16480x 16480x 16480x 16480x 16425x 16425x 97278x 97278x 97278x 51864x 45414x 45414x 16480x 16480x 2983x 2983x 2983x 2983x 2983x 2932x 2932x 54410x 54410x 54410x 42200x 12210x 12210x 12210x 2983x 2983x 861x 861x 861x 861x 861x 21281x 21281x 21281x 21281x 21281x | import * as nodes from '../../../nodes';
import {fromBase64} from '@jsonjoy.com/base64/lib/fromBase64';
import {type ITimestampStruct, ts, ClockVector} from '../../../../json-crdt-patch/clock';
import {Model} from '../../../model';
import {SESSION} from '../../../../json-crdt-patch/constants';
import type * as types from './types';
export class Decoder {
public decode({time, root}: types.JsonCrdtVerboseDocument): Model {
const isServerClock = typeof time === 'number';
const doc = isServerClock ? Model.withServerClock(void 0, time) : Model.create(void 0, this.cClock(time));
this.cRoot(doc, root);
return doc;
}
protected cClock(timestamps: types.JsonCrdtVerboseLogicalTimestamp[]): ClockVector {
const [stamp] = timestamps;
const vectorClock = new ClockVector(stamp[0], stamp[1]);
const length = timestamps.length;
for (let i = 1; i < length; i++) {
const stamp = timestamps[i];
const [sessionId, time] = stamp;
vectorClock.observe(ts(sessionId, time), 1);
}
return vectorClock;
}
protected cTs(stamp: types.JsonCrdtVerboseTimestamp): ITimestampStruct {
const isServerClock = typeof stamp === 'number';
return isServerClock ? ts(SESSION.SERVER, stamp) : ts(stamp[0], stamp[1]);
}
protected cRoot(doc: Model, {value}: types.JsonCrdtVerboseVal): void {
const val = value ? this.cNode(doc, value) : new nodes.ConNode(doc.clock.tick(0), null);
const root = new nodes.RootNode(doc, val.id);
doc.root = root;
}
protected cNode(doc: Model, node: types.JsonCrdtNode): nodes.JsonNode {
switch (node.type) {
case 'obj':
return this.cObj(doc, node);
case 'arr':
return this.cArr(doc, node);
case 'str':
return this.cStr(doc, node);
case 'val':
return this.cVal(doc, node);
case 'con':
return this.cCon(doc, node);
case 'vec':
return this.cVec(doc, node);
case 'bin':
return this.cBin(doc, node);
}
throw new Error('UNKNOWN_NODE');
}
protected cObj(doc: Model, node: types.JsonCrdtVerboseObj): nodes.ObjNode {
const id = this.cTs(node.id);
const obj = new nodes.ObjNode(doc, id);
const map = node.map;
const keys = Object.keys(map);
for (const key of keys) {
const keyNode = map[key];
obj.put(key, this.cNode(doc, keyNode).id);
}
doc.index.set(id, obj);
return obj;
}
protected cVec(doc: Model, node: types.JsonCrdtVerboseVec): nodes.VecNode {
const id = this.cTs(node.id);
const obj = new nodes.VecNode(doc, id);
const elements = obj.elements;
const map = node.map;
const length = map.length;
for (let i = 0; i < length; i++) {
const component = map[i];
if (!component) elements.push(undefined);
else elements.push(this.cNode(doc, component).id);
}
doc.index.set(id, obj);
return obj;
}
protected cArr(doc: Model, node: types.JsonCrdtVerboseArr): nodes.ArrNode {
const id = this.cTs(node.id);
const rga = new nodes.ArrNode(doc, id);
const chunks = node.chunks;
const length = chunks.length;
if (length) {
let i = 0;
rga.ingest(length, () => {
const c = chunks[i++];
const id = this.cTs(c.id);
if (typeof (c as types.JsonCrdtVerboseTombstone).span === 'number')
return new nodes.ArrChunk(id, (c as types.JsonCrdtVerboseTombstone).span, undefined);
else {
const ids = (c as types.JsonCrdtVerboseArrChunk).value.map((n) => this.cNode(doc, n).id);
return new nodes.ArrChunk(id, ids.length, ids);
}
});
}
doc.index.set(id, rga);
return rga;
}
protected cStr(doc: Model, node: types.JsonCrdtVerboseStr): nodes.StrNode {
const id = this.cTs(node.id);
const rga = new nodes.StrNode(id);
const chunks = node.chunks;
const length = chunks.length;
if (length) {
let i = 0;
rga.ingest(length, () => {
const c = chunks[i++];
const id = this.cTs(c.id);
if (typeof (c as types.JsonCrdtVerboseTombstone).span === 'number')
return new nodes.StrChunk(id, (c as types.JsonCrdtVerboseTombstone).span, '');
else {
const value = (c as types.JsonCrdtVerboseStrChunk).value;
return new nodes.StrChunk(id, value.length, value);
}
});
}
doc.index.set(id, rga);
return rga;
}
protected cBin(doc: Model, node: types.JsonCrdtVerboseBin): nodes.BinNode {
const id = this.cTs(node.id);
const rga = new nodes.BinNode(id);
const chunks = node.chunks;
const length = chunks.length;
if (length) {
let i = 0;
rga.ingest(length, () => {
const c = chunks[i++];
const id = this.cTs(c.id);
if (typeof (c as types.JsonCrdtVerboseTombstone).span === 'number')
return new nodes.BinChunk(id, (c as types.JsonCrdtVerboseTombstone).span, undefined);
else {
const value = (c as types.JsonCrdtVerboseBinChunk).value;
const buf = fromBase64(value);
return new nodes.BinChunk(id, buf.length, buf);
}
});
}
doc.index.set(id, rga);
return rga;
}
protected cVal(doc: Model, node: types.JsonCrdtVerboseVal): nodes.ValNode {
const id = this.cTs(node.id);
const val = this.cNode(doc, node.value);
const obj = new nodes.ValNode(doc, id, val.id);
doc.index.set(id, obj);
return obj;
}
protected cCon(doc: Model, node: types.JsonCrdtVerboseCon): nodes.ConNode {
const id = this.cTs(node.id);
const val = node.timestamp ? this.cTs(node.value as types.JsonCrdtVerboseLogicalTimestamp) : node.value;
const obj = new nodes.ConNode(id, val);
doc.index.set(id, obj);
return obj;
}
}
|