typia/lib/internal/_ProtobufSizer.mjs

Superfast runtime validators with only one line

//#region src/internal/_ProtobufSizer.ts
var _ProtobufSizer = class {
	constructor(length = 0) {
		this.len = length;
		this.pos = [];
		this.varlen = [];
		this.varlenidx = [];
	}
	bool() {
		this.len += 1;
	}
	int32(value) {
		if (value < 0) this.len += 10;
		else this.varint32(value);
	}
	sint32(value) {
		this.varint32(value << 1 ^ value >> 31);
	}
	uint32(value) {
		this.varint32(value);
	}
	int64(value) {
		this.varint64(typeof value === "number" ? BigInt(value) : value);
	}
	sint64(value) {
		if (typeof value === "number") value = BigInt(value);
		this.varint64(value << BigInt(1) ^ value >> BigInt(63));
	}
	uint64(value) {
		this.varint64(typeof value === "number" ? BigInt(value) : value);
	}
	float(_value) {
		this.len += 4;
	}
	double(_value) {
		this.len += 8;
	}
	bytes(value) {
		this.uint32(value.byteLength);
		this.len += value.byteLength;
	}
	string(value) {
		const len = strlen(value);
		this.varlen.push(len);
		this.uint32(len);
		this.len += len;
	}
	fork() {
		this.pos.push(this.len);
		this.varlenidx.push(this.varlen.length);
		this.varlen.push(0);
	}
	ldelim() {
		if (!(this.pos.length && this.varlenidx.length)) throw new Error("Error on typia.protobuf.encode(): missing fork() before ldelim() call.");
		const endPos = this.len;
		const startPos = this.pos.pop();
		const idx = this.varlenidx.pop();
		const len = endPos - startPos;
		this.varlen[idx] = len;
		this.uint32(len);
	}
	reset() {
		this.len = 0;
		this.pos.length = 0;
		this.varlen.length = 0;
		this.varlenidx.length = 0;
	}
	varint32(value) {
		this.len += value < 0 ? 10 : value < 128 ? 1 : value < 16384 ? 2 : value < 2097152 ? 3 : value < 268435456 ? 4 : 5;
	}
	varint64(val) {
		val = BigInt.asUintN(64, val);
		while (val > BigInt(127)) {
			++this.len;
			val = val >> BigInt(7);
		}
		++this.len;
	}
};
const strlen = (str) => new Blob([str]).size;
//#endregion
export { _ProtobufSizer };

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