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; }