void json2tvalue(QVariant & output, const rapidjson::Value & input, int itype)
{
if(input.IsNull())
{
output.clear();
}
else if(input.IsInt64())
{
output = QVariant(input.GetInt64());
}
else if(input.IsInt())
{
output = QVariant(input.GetInt());
}
else if(input.IsDouble())
{
output = QVariant(input.GetDouble());
}
else if(input.IsBool())
{
output = QVariant(input.GetBool());
}
else if(input.IsString())
{
output = QVariant(QString(input.GetString()));
}
else if(input.IsArray())
{
switch(itype)
{
case QVariant::Point:
{
assert(input.Size() == 2);
output = QPoint(input[0u].GetDouble(), input[1].GetDouble());
break;
}
case QVariant::PointF:
{
assert(input.Size() == 2);
output = QPointF(input[0u].GetDouble(), input[1].GetDouble());
break;
}
case QVariant::Size:
{
assert(input.Size() == 2);
output = QSize(input[0u].GetDouble(), input[1].GetDouble());
break;
}
case QVariant::SizeF:
{
assert(input.Size() == 2);
output = QSizeF(input[0u].GetDouble(), input[1].GetDouble());
break;
}
case QVariant::Rect:
{
assert(input.Size() == 4);
output = QRect(input[0u].GetDouble(), input[1].GetDouble(), input[2].GetDouble(), input[3].GetDouble());
break;
}
case QVariant::RectF:
{
assert(input.Size() == 4);
output = QRectF(input[0u].GetDouble(), input[1].GetDouble(), input[2].GetDouble(), input[3].GetDouble());
break;
}
case QVariant::Vector2D:
{
assert(input.Size() == 2);
output = QVector2D(input[0u].GetDouble(), input[1].GetDouble());
break;
}
case QVariant::Vector3D:
{
assert(input.Size() == 3);
output = QVector3D(input[0u].GetDouble(), input[1].GetDouble(), input[2].GetDouble());
break;
}
case QVariant::Vector4D:
{
assert(input.Size() == 4);
output = QVector4D(input[0u].GetDouble(), input[1].GetDouble(), input[2].GetDouble(), input[3].GetDouble());
break;
}
case QVariant::Color:
{
assert(input.Size() == 4);
output = QColor(input[0u].GetDouble(), input[1].GetDouble(), input[2].GetDouble(), input[3].GetDouble());
break;
}
case QVariant::StringList:
{
QStringList list;
list.reserve(input.Size());
for(rapidjson::Value::ConstValueIterator it = input.Begin(); it != input.End(); ++it)
{
QString tmp(it->GetString());
list.append(tmp);
}
output = list;
break;
}
case QVariant::List:
default:
{
QList<QVariant> list;
list.reserve(input.Size());
for(rapidjson::SizeType i = 0; i < input.Size(); ++i)
{
QVariant tmp;
json2tvalue(tmp, input[i], QVariant::Invalid);
list.append(tmp);
}
output = list;
break;
}
}
}
else if(input.IsObject())
{
QMap<QString, QVariant> map;
for(rapidjson::Value::ConstMemberIterator it= input.MemberBegin();
it != input.MemberEnd(); ++it)
{
QString qstring(QLatin1String(it->name.GetString(), it->name.GetStringLength()));
QVariant qvalue;
json2tvalue(qvalue, it->value, QVariant::Invalid);
map.insert(qstring, qvalue);
}
output = map;
}
else
{
output.clear();
assert(false && "shouldn't execute to here.");
}
}
bool getJsonNumber(const rapidjson::Value &v, T &dst) {
if (v.IsDouble())
dst = T(v.GetDouble());
else if (v.IsInt())
dst = T(v.GetInt());
else if (v.IsUint())
dst = T(v.GetUint());
else if (v.IsInt64())
dst = T(v.GetInt64());
else if (v.IsUint64())
dst = T(v.GetUint64());
else
return false;
return true;
}
std::int64_t get_value(const rapidjson::Value& root, const char* key)
{
if (key != nullptr)
{
if (root.HasMember(key) && root[key].IsInt64())
{
return root[key].GetInt64();
}
else
throw std::system_error(std::error_code(), "Parse error.");
}
else
{
if (root.IsInt64())
return root.GetInt64();
else
throw std::system_error(std::error_code(), "Parse error.");
}
}
void ConvertToMsgPack(const rapidjson::Value& json, msgpack::object& object, msgpack::zone& zone)
{
switch (json.GetType())
{
case rapidjson::kFalseType:
object = false;
break;
case rapidjson::kTrueType:
object = true;
break;
case rapidjson::kNumberType:
{
if (json.IsInt())
{
object = json.GetInt();
}
else if (json.IsUint())
{
object = json.GetUint();
}
else if (json.IsInt64())
{
object = json.GetInt64();
}
else if (json.IsUint64())
{
object = json.GetUint64();
}
else if (json.IsDouble())
{
object = json.GetDouble();
}
break;
}
case rapidjson::kStringType:
// we allocate with 'zone', otherwise the std::string's raw pointer gets used, which won't work as it gets destructed later on
object = msgpack::object(std::string(json.GetString(), json.GetStringLength()), zone);
break;
case rapidjson::kObjectType:
{
std::map<std::string, msgpack::object> list;
for (auto it = json.MemberBegin(); it != json.MemberEnd(); it++)
{
msgpack::object newObject;
ConvertToMsgPack(it->value, newObject, zone);
list.insert({ it->name.GetString(), newObject });
}
object = msgpack::object(list, zone);
break;
}
case rapidjson::kArrayType:
{
std::vector<msgpack::object> list;
for (auto it = json.Begin(); it != json.End(); it++)
{
msgpack::object newObject;
ConvertToMsgPack(*it, newObject, zone);
list.push_back(newObject);
}
object = msgpack::object(list, zone);
break;
}
default:
object = msgpack::type::nil();
break;
}
}
bool clone_value(rapidjson::Value & output, const rapidjson::Value & input, rapidjson::Value::AllocatorType & allocator)
{
if(&output == &input)
{
return false;
}
if(input.IsNull())
{
output.SetNull();
}
else if(input.IsInt64())
{
output.SetInt(input.GetInt64());
}
else if(input.IsInt())
{
output.SetInt(input.GetInt());
}
else if(input.IsDouble())
{
output.SetDouble(input.GetDouble());
}
else if(input.IsBool())
{
output.SetBool(input.GetBool());
}
else if(input.IsString())
{
output.SetString(input.GetString(), input.GetStringLength(), allocator);
}
else if(input.IsArray())
{
rapidjson::Value temp;
output.SetArray();
output.Reserve(input.Size(), allocator);
for(rapidjson::SizeType i = 0; i < input.Size(); ++i)
{
clone_value(temp, input[i], allocator);
output.PushBack(temp, allocator);
}
}
else if(input.IsObject())
{
output.SetObject();
rapidjson::Value key, val;
for(rapidjson::Value::ConstMemberIterator it = input.MemberBegin();
it != input.MemberEnd(); ++it)
{
clone_value(key, it->name, allocator);
clone_value(val, it->value, allocator);
output.AddMember(key, val, allocator);
}
}
else
{
assert(false && "shuldn't execute to here.");
return false;
}
return true;
}
