typia/lib/internal/_ProtobufWriter.mjs

Superfast runtime validators with only one line

import { Singleton } from "@typia/utils";
//#region src/internal/_ProtobufWriter.ts
var _ProtobufWriter = class {
	constructor(sizer) {
		this.sizer = sizer;
		this.buf = new Uint8Array(sizer.len);
		this.view = new DataView(this.buf.buffer);
		this.ptr = 0;
		this.varlenidx = 0;
	}
	buffer() {
		return this.buf;
	}
	bool(value) {
		this.byte(value ? 1 : 0);
	}
	byte(value) {
		this.buf[this.ptr++] = value & 255;
	}
	int32(value) {
		if (value < 0) this.int64(value);
		else this.variant32(value >>> 0);
	}
	sint32(value) {
		this.variant32(value << 1 ^ value >> 31);
	}
	uint32(value) {
		this.variant32(value);
	}
	sint64(value) {
		value = BigInt(value);
		this.variant64(value << BigInt(1) ^ value >> BigInt(63));
	}
	int64(value) {
		this.variant64(BigInt(value));
	}
	uint64(value) {
		this.variant64(BigInt(value));
	}
	float(val) {
		this.view.setFloat32(this.ptr, val, true);
		this.ptr += 4;
	}
	double(val) {
		this.view.setFloat64(this.ptr, val, true);
		this.ptr += 8;
	}
	bytes(value) {
		this.uint32(value.byteLength);
		for (let i = 0; i < value.byteLength; i++) this.buf[this.ptr++] = value[i];
	}
	string(value) {
		const len = this.varlen();
		this.uint32(len);
		const binary = utf8.get().encode(value);
		for (let i = 0; i < binary.byteLength; i++) this.buf[this.ptr++] = binary[i];
	}
	fork() {
		this.uint32(this.varlen());
	}
	ldelim() {}
	finish() {
		return this.buf;
	}
	reset() {
		this.buf = new Uint8Array(this.sizer.len);
		this.view = new DataView(this.buf.buffer);
		this.ptr = 0;
		this.varlenidx = 0;
	}
	variant32(val) {
		while (val > 127) {
			this.buf[this.ptr++] = val & 127 | 128;
			val = val >>> 7;
		}
		this.buf[this.ptr++] = val;
	}
	variant64(val) {
		val = BigInt.asUintN(64, val);
		while (val > BigInt(127)) {
			this.buf[this.ptr++] = Number(val & BigInt(127) | BigInt(128));
			val = val >> BigInt(7);
		}
		this.buf[this.ptr++] = Number(val);
	}
	varlen() {
		return this.varlenidx >= this.sizer.varlen.length ? 0 : this.sizer.varlen[this.varlenidx++];
	}
};
const utf8 = new Singleton(() => new TextEncoder());
//#endregion
export { _ProtobufWriter };

//# sourceMappingURL=_ProtobufWriter.mjs.map