Ejemplo n.º 1
0
std::function<void(folly::dynamic)> makeCallback(
    std::weak_ptr<Instance> instance, const folly::dynamic& callbackId) {
  if (!callbackId.isInt()) {
    throw std::invalid_argument("Expected callback(s) as final argument");
  }

  auto id = callbackId.getInt();
  return [winstance = std::move(instance), id](folly::dynamic args) {
    if (auto instance = winstance.lock()) {
      instance->callJSCallback(id, std::move(args));
    }
  };
}
Ejemplo n.º 2
0
int64_t convertDynamicIfIntegral(const folly::dynamic& val) {
  if (val.isInt()) {
    return val.getInt();
  }
  double dbl = val.getDouble();
  int64_t result = static_cast<int64_t>(dbl);
  if (dbl != result) {
    throwNewJavaException(
      exceptions::gUnexpectedNativeTypeExceptionClass,
      "Tried to read an int, but got a non-integral double: %f", dbl);
  }
  return result;
}