Method constructor

src/cmap/commands.ts:670–706

(
    message: Uint8Array,
    msgHeader: MessageHeader,
    msgBody: Uint8Array,
    opts?: BSONSerializeOptions
  )

  sections: Uint8Array[] = [];

  constructor(
    message: Uint8Array,
    msgHeader: MessageHeader,
    msgBody: Uint8Array,
    opts?: BSONSerializeOptions
  ) {
    this.parsed = false;
    this.raw = message;
    this.data = msgBody;
    this.opts = opts ?? {
      useBigInt64: false,
      promoteLongs: true,
      promoteValues: true,
      promoteBuffers: false,
      bsonRegExp: false
    };

    // Read the message header
    this.length = msgHeader.length;
    this.requestId = msgHeader.requestId;
    this.responseTo = msgHeader.responseTo;
    this.opCode = msgHeader.opCode;
    this.fromCompressed = msgHeader.fromCompressed;

    // Read response flags
    this.responseFlags = readInt32LE(msgBody, 0);
    this.checksumPresent = (this.responseFlags & OPTS_CHECKSUM_PRESENT) !== 0;
    this.moreToCome = (this.responseFlags & OPTS_MORE_TO_COME) !== 0;
    this.exhaustAllowed = (this.responseFlags & OPTS_EXHAUST_ALLOWED) !== 0;
    this.useBigInt64 = typeof this.opts.useBigInt64 === 'boolean' ? this.opts.useBigInt64 : false;
    this.promoteLongs = typeof this.opts.promoteLongs === 'boolean' ? this.opts.promoteLongs : true;
    this.promoteValues =
      typeof this.opts.promoteValues === 'boolean' ? this.opts.promoteValues : true;
    this.promoteBuffers =
      typeof this.opts.promoteBuffers === 'boolean' ? this.opts.promoteBuffers : false;
    this.bsonRegExp = typeof this.opts.bsonRegExp === 'boolean' ? this.opts.bsonRegExp : false;
  }

  isParsed(): boolean {
    return this.parsed;