Function readFolder

types.go:314–388

nolint:cyclop,funlen

(r util.Reader)

//nolint:cyclop,funlen
func readFolder(r util.Reader) (*folder, error) {
	f := new(folder)

	coders, err := readUint64Bounded(r, true)
	if err != nil {
		return nil, err
	}

	f.coder = make([]*coder, 0, min(coders, 16))

	for range coders {
		coder, err := readCoder(r)
		if err != nil {
			return nil, err
		}

		f.coder = append(f.coder, coder)

		f.in += coder.in
		f.out += coder.out
	}

	if err := checkUint64(f.in, true); err != nil {
		return nil, err
	}

	if err := checkUint64(f.out, true); err != nil {
		return nil, err
	}

	if f.in < f.out {
		return nil, errInvalidBindPair
	}

	bindPairs := f.out - 1

	f.bindPair = make([]*bindPair, 0, min(bindPairs, 16))

	for range bindPairs {
		in, err := readUint64Bounded(r, false)
		if err != nil {
			return nil, err
		}

		out, err := readUint64Bounded(r, false)
		if err != nil {
			return nil, err
		}

		f.bindPair = append(f.bindPair, &bindPair{
			in:  in,
			out: out,
		})
	}

	f.packedStreams = f.in - bindPairs

	if f.packedStreams == 1 {