static Variant dynamic_to_variant(const folly::dynamic& v) {
switch (v.type()) {
case folly::dynamic::Type::NULLT:
return init_null();
case folly::dynamic::Type::BOOL:
return v.asBool();
case folly::dynamic::Type::DOUBLE:
return v.asDouble();
case folly::dynamic::Type::INT64:
return v.asInt();
case folly::dynamic::Type::STRING:
return v.data();
case folly::dynamic::Type::ARRAY:
case folly::dynamic::Type::OBJECT:
ArrayInit arr_init(v.size(), ArrayInit::Mixed{});
for (auto& item : v.items()) {
arr_init.add(dynamic_to_variant(item.first),
dynamic_to_variant(item.second));
}
Array ret = arr_init.toArray();
// Sort the array since folly::dynamic has a tendency to iterate from
// back to front. This way a var_dump of the array, for example, looks
// ordered.
ret.sort(Array::SortNaturalAscending, true, false);
return ret;
}
not_reached();
}
std::function<void(folly::dynamic)> makeCallback(
std::weak_ptr<Instance> instance, const folly::dynamic& callbackId) {
if (!callbackId.isNumber()) {
throw std::invalid_argument("Expected callback(s) as final argument");
}
auto id = callbackId.asInt();
return [winstance = std::move(instance), id](folly::dynamic args) {
if (auto instance = winstance.lock()) {
instance->callJSCallback(id, std::move(args));
}
};
}
static std::string dynamic_to_std_string(const folly::dynamic& v) {
switch (v.type()) {
case folly::dynamic::Type::NULLT:
case folly::dynamic::Type::ARRAY:
case folly::dynamic::Type::OBJECT:
return "";
case folly::dynamic::Type::BOOL:
return std::to_string(v.asBool());
case folly::dynamic::Type::DOUBLE:
return std::to_string(v.asDouble());
case folly::dynamic::Type::INT64:
return std::to_string(v.asInt());
case folly::dynamic::Type::STRING:
return v.data();
}
not_reached();
}
static Variant dynamic_to_variant(const folly::dynamic& v) {
switch (v.type()) {
case folly::dynamic::Type::NULLT:
return init_null_variant;
case folly::dynamic::Type::BOOL:
return v.asBool();
case folly::dynamic::Type::DOUBLE:
return v.asDouble();
case folly::dynamic::Type::INT64:
return v.asInt();
case folly::dynamic::Type::STRING:
return v.data();
case folly::dynamic::Type::ARRAY:
case folly::dynamic::Type::OBJECT:
ArrayInit ret(v.size(), ArrayInit::Mixed{});
for (auto& item : v.items()) {
ret.add(dynamic_to_variant(item.first),
dynamic_to_variant(item.second));
}
return ret.toArray();
}
not_reached();
}