func()

in hessian.go [220:249]

• 28 lines of code
• 8 McCabe index (conditional complexity)

func (h *HessianCodec) ReadAttachments() (map[string]string, error) {
	if h.reader.Buffered() < h.bodyLen {
		return nil, ErrBodyNotEnough
	}
	buf, err := h.reader.Peek(h.bodyLen)
	if err != nil {
		return nil, perrors.WithStack(err)
	}
	_, err = h.reader.Discard(h.bodyLen)
	if err != nil { // this is impossible
		return nil, perrors.WithStack(err)
	}

	switch h.pkgType & PackageType_BitSize {
	case PackageRequest:
		rspObj := make([]interface{}, 7)
		if err = unpackRequestBody(NewDecoderWithSkip(buf[:]), rspObj); err != nil {
			return nil, perrors.WithStack(err)
		}
		return rspObj[6].(map[string]string), nil
	case PackageResponse:
		rspObj := &Response{}
		if err = unpackResponseBody(NewDecoderWithSkip(buf[:]), rspObj); err != nil {
			return nil, perrors.WithStack(err)
		}
		return rspObj.Attachments, nil
	}

	return nil, nil
}