Files
starface-outlook-sync-addin/node_modules/@jsonjoy.com/json-pack/lib/xdr/XdrEncoder.js
T
Stefan Hacker 37ad745546 first commit
2026-04-03 09:38:48 +02:00

167 lines
4.9 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.XdrEncoder = void 0;
class XdrEncoder {
constructor(writer) {
this.writer = writer;
}
encode(value) {
const writer = this.writer;
writer.reset();
this.writeAny(value);
return writer.flush();
}
writeUnknown(value) {
this.writeVoid();
}
writeAny(value) {
switch (typeof value) {
case 'boolean':
return this.writeBoolean(value);
case 'number':
return this.writeNumber(value);
case 'string':
return this.writeStr(value);
case 'object': {
if (value === null)
return this.writeVoid();
const constructor = value.constructor;
switch (constructor) {
case Uint8Array:
return this.writeBin(value);
default:
return this.writeUnknown(value);
}
}
case 'bigint':
return this.writeHyper(value);
case 'undefined':
return this.writeVoid();
default:
return this.writeUnknown(value);
}
}
writeVoid() {
}
writeNull() {
this.writeVoid();
}
writeBoolean(bool) {
this.writeInt(bool ? 1 : 0);
}
writeInt(int) {
const writer = this.writer;
writer.ensureCapacity(4);
writer.view.setInt32(writer.x, Math.trunc(int), false);
writer.move(4);
}
writeUnsignedInt(uint) {
const writer = this.writer;
writer.ensureCapacity(4);
writer.view.setUint32(writer.x, Math.trunc(uint) >>> 0, false);
writer.move(4);
}
writeHyper(hyper) {
const writer = this.writer;
writer.ensureCapacity(8);
if (typeof hyper === 'bigint') {
writer.view.setBigInt64(writer.x, hyper, false);
}
else {
const truncated = Math.trunc(hyper);
const high = Math.floor(truncated / 0x100000000);
const low = truncated >>> 0;
writer.view.setInt32(writer.x, high, false);
writer.view.setUint32(writer.x + 4, low, false);
}
writer.move(8);
}
writeUnsignedHyper(uhyper) {
const writer = this.writer;
writer.ensureCapacity(8);
if (typeof uhyper === 'bigint') {
writer.view.setBigUint64(writer.x, uhyper, false);
}
else {
const truncated = Math.trunc(Math.abs(uhyper));
const high = Math.floor(truncated / 0x100000000);
const low = truncated >>> 0;
writer.view.setUint32(writer.x, high, false);
writer.view.setUint32(writer.x + 4, low, false);
}
writer.move(8);
}
writeFloat(float) {
const writer = this.writer;
writer.ensureCapacity(4);
writer.view.setFloat32(writer.x, float, false);
writer.move(4);
}
writeDouble(double) {
const writer = this.writer;
writer.ensureCapacity(8);
writer.view.setFloat64(writer.x, double, false);
writer.move(8);
}
writeQuadruple(quad) {
throw new Error('not implemented');
}
writeOpaque(data) {
const size = data.length;
const writer = this.writer;
const paddedSize = Math.ceil(size / 4) * 4;
writer.ensureCapacity(paddedSize);
writer.buf(data, size);
const padding = paddedSize - size;
for (let i = 0; i < padding; i++)
writer.u8(0);
}
writeVarlenOpaque(data) {
this.writeUnsignedInt(data.length);
this.writeOpaque(data);
}
writeStr(str) {
const writer = this.writer;
const lengthOffset = writer.x;
writer.x += 4;
const bytesWritten = writer.utf8(str);
const paddedSize = Math.ceil(bytesWritten / 4) * 4;
const padding = paddedSize - bytesWritten;
for (let i = 0; i < padding; i++)
writer.u8(0);
const currentPos = writer.x;
writer.x = lengthOffset;
this.writeUnsignedInt(bytesWritten);
writer.x = currentPos;
}
writeArr(arr) {
throw new Error('not implemented');
}
writeObj(obj) {
throw new Error('not implemented');
}
writeNumber(num) {
if (Number.isInteger(num)) {
if (num >= -2147483648 && num <= 2147483647)
this.writeInt(num);
else
this.writeHyper(num);
}
else
this.writeDouble(num);
}
writeInteger(int) {
this.writeInt(int);
}
writeUInteger(uint) {
this.writeUnsignedInt(uint);
}
writeBin(buf) {
this.writeVarlenOpaque(buf);
}
writeAsciiStr(str) {
this.writeStr(str);
}
}
exports.XdrEncoder = XdrEncoder;
//# sourceMappingURL=XdrEncoder.js.map