public static BaseGenerator Load(JsonElement root)
{
BaseGenerator generator;
JsonElement typeGenerator = root.GetProperty("type");
string name = root.GetProperty("name").GetString();
JsonElement sequenceElement = root.GetProperty("sequence");
int n = root.GetProperty("count").GetInt32();
double[] sequence = new double[n];
int ndx = 0;
foreach (var number in sequenceElement.EnumerateArray())
{
sequence[ndx] = number.GetDouble();
ndx++;
}
switch ((GeneratorType)typeGenerator.GetInt32())
{
case GeneratorType.BASE:
generator = new BaseGenerator(name, n);
break;
case GeneratorType.RAND:
generator = new RandomGenerator(name, n);
break;
case GeneratorType.STEP:
double step = root.GetProperty("step").GetDouble();
generator = new GeneratorWithStep(name, n, 0, step);
break;
default:
throw new ArgumentException("invalid json");
}
for (int i = 0; i < ndx; i++)
{
generator.Push(sequence[i]);
}
JsonElement generatorsElement = root.GetProperty("generators");
foreach (var generatorElement in generatorsElement.EnumerateArray())
{
BaseGenerator children = BaseGenerator.Load(generatorElement);
generator.Add(children);
}
return(generator);
}
public static BaseGenerator Load(Stream stream)
{
if (!stream.CanRead)
{
throw new ArgumentException("invalid stream");
}
UTF8Encoding utf8 = new UTF8Encoding(true);
byte[] array = new byte[stream.Length];
stream.Read(array, 0, array.Length);
string json = utf8.GetString(array);
BaseGenerator generator;
using (JsonDocument document = JsonDocument.Parse(json))
{
JsonElement root = document.RootElement;
generator = BaseGenerator.Load(root);
}
return(generator);
}