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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 | 12x 12x 12x 12x 12x 12x 12x 151x 1637x 1637x 1637x 1637x 1637x 1637x 1637x 1637x 1635x 1635x 1635x 65731x 1637x 151x 65731x 65731x 65731x 65731x 65731x 65731x 65731x 42334x 41304x 21130x 21129x 7598x 4153x 224891x 224891x 65731x 65731x 840x 94x 23397x 23397x 23397x 23397x 23397x 1x 1x 23396x 23396x 23397x 1030x 1030x 1030x 1030x 1030x 1030x 20174x 20174x 20174x 20174x 20174x 20174x 20174x 151x 57837x 57837x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 13531x 13531x 13531x 13531x 13531x 103320x 103320x 41445x 13531x 3445x 3445x 3445x 3445x 3445x 51769x 51769x 51769x 51769x 51769x 11581x 3445x 4153x 4153x 4153x 4153x 4153x 4068x 4068x 4068x 4068x 4068x 3562x 5230x 4153x | import {type ITimestampStruct, Timestamp} from '../../../../json-crdt-patch/clock';
import {ClockTable} from '../../../../json-crdt-patch/codec/clock/ClockTable';
import {CrdtWriter} from '../../../../json-crdt-patch/util/binary/CrdtWriter';
import {CborEncoder} from '@jsonjoy.com/json-pack/lib/cbor/CborEncoder';
import type {Model} from '../../../model';
import * as nodes from '../../../nodes';
import {CRDT_MAJOR_OVERLAY} from '../../structural/binary/constants';
import type {IndexedFields, FieldName} from './types';
export class Encoder {
public readonly enc: CborEncoder<CrdtWriter>;
protected clockTable?: ClockTable;
constructor(writer?: CrdtWriter) {
this.enc = new CborEncoder<CrdtWriter>(writer || new CrdtWriter());
}
public encode(doc: Model<any>, clockTable: ClockTable = ClockTable.from(doc.clock)): IndexedFields {
this.clockTable = clockTable;
const writer = this.enc.writer;
writer.reset();
clockTable.write(writer);
const encodedClock = writer.flush();
const rootValueId = doc.root.val;
const result: IndexedFields = {
c: encodedClock,
};
if (rootValueId.sid !== 0) {
writer.reset();
this.ts(rootValueId);
result.r = writer.flush();
}
// biome-ignore lint: index is not iterable
doc.index.forEach(({v: node}) => this.onNode(result, node));
return result;
}
protected readonly onNode = (result: IndexedFields, node: nodes.JsonNode) => {
const id = node.id;
const sid = id.sid;
const time = id.time;
const sidIndex = this.clockTable!.getBySid(sid).index;
const field = (sidIndex.toString(36) + '_' + time.toString(36)) as FieldName;
result[field] = this.encodeNode(node);
};
public encodeNode(node: nodes.JsonNode): Uint8Array {
if (node instanceof nodes.ConNode) return this.encodeCon(node);
else if (node instanceof nodes.ValNode) return this.encodeVal(node);
else if (node instanceof nodes.ObjNode) return this.encodeObj(node);
else if (node instanceof nodes.VecNode) return this.encodeVec(node);
else if (node instanceof nodes.StrNode) return this.encodeStr(node);
else if (node instanceof nodes.BinNode) return this.encodeBin(node);
else if (node instanceof nodes.ArrNode) return this.encodeArr(node);
throw new Error('UNKNOWN_NODE');
}
protected ts(id: ITimestampStruct): void {
const index = this.clockTable!.getBySid(id.sid).index;
this.enc.writer.id(index, id.time);
}
protected writeTL(majorOverlay: CRDT_MAJOR_OVERLAY, length: number): void {
const writer = this.enc.writer;
if (length < 24) writer.u8(majorOverlay + length);
else if (length <= 0xff) writer.u16(((majorOverlay + 24) << 8) + length);
else if (length <= 0xffff) writer.u8u16(majorOverlay + 25, length);
else Ewriter.u8u32(majorOverlay + 26, length);
}
public encodeCon(node: nodes.ConNode): Uint8Array {
const encoder = this.enc;
const writer = encoder.writer;
const val = node.val;
writer.reset();
if (val instanceof Timestamp) {
this.writeTL(CRDT_MAJOR_OVERLAY.CON, 1);
this.ts(val as Timestamp);
} else {
this.writeTL(CRDT_MAJOR_OVERLAY.CON, 0);
encoder.writeAny(val);
}
return writer.flush();
}
public encodeVal(node: nodes.ValNode): Uint8Array {
const writer = this.enc.writer;
const child = node.node();
writer.reset();
this.writeTL(CRDT_MAJOR_OVERLAY.VAL, 0);
this.ts(child.id);
return writer.flush();
}
public encodeObj(node: nodes.ObjNode): Uint8Array {
const encoder = this.enc;
const writer = encoder.writer;
writer.reset();
const keys = node.keys;
this.writeTL(CRDT_MAJOR_OVERLAY.OBJ, keys.size);
keys.forEach(this.onObjKey);
return writer.flush();
}
private readonly onObjKey = (value: ITimestampStruct, key: string) => {
this.enc.writeStr(key);
this.ts(value);
};
public encodeVec(node: nodes.VecNode): Uint8Array {
const writer = this.enc.writer;
writer.reset();
const length = node.elements.length;
this.writeTL(CRDT_MAJOR_OVERLAY.VEC, length);
for (let i = 0; i < length; i++) {
const childId = node.val(i);
Iif (!childId) writer.u8(0);
else {
writer.u8(1);
this.ts(childId);
}
}
return writer.flush();
}
public encodeStr(node: nodes.StrNode): Uint8Array {
const encoder = this.enc;
const writer = encoder.writer;
writer.reset();
this.writeTL(CRDT_MAJOR_OVERLAY.STR, node.count);
for (let chunk = node.first(); chunk; chunk = node.next(chunk)) {
this.ts(chunk.id);
if (chunk.del) encoder.writeUInteger(chunk.span);
else encoder.writeStr(chunk.data!);
}
return writer.flush();
}
public encodeBin(node: nodes.BinNode): Uint8Array {
const encoder = this.enc;
const writer = encoder.writer;
writer.reset();
this.writeTL(CRDT_MAJOR_OVERLAY.BIN, node.count);
for (let chunk = node.first(); chunk; chunk = node.next(chunk)) {
const length = chunk.span;
const deleted = chunk.del;
this.ts(chunk.id);
writer.b1vu56(~~deleted as 0 | 1, length);
if (deleted) continue;
writer.buf(chunk.data!, length);
}
return writer.flush();
}
public encodeArr(node: nodes.ArrNode): Uint8Array {
const encoder = this.enc;
const writer = encoder.writer;
writer.reset();
this.writeTL(CRDT_MAJOR_OVERLAY.ARR, node.count);
for (let chunk = node.first(); chunk; chunk = node.next(chunk)) {
const length = chunk.span;
const deleted = chunk.del;
this.ts(chunk.id);
writer.b1vu56(~~deleted as 0 | 1, length);
if (deleted) continue;
const data = chunk.data;
for (let i = 0; i < length; i++) this.ts(data![i]);
}
return writer.flush();
}
}
|