public override JObject ToJson(DateTime obj, ConvertorSet convertorSet)
{
return(new JObject
{
{ ConstString.Value, obj.ToString("o") }
});
}
public override JObject ToJson(string obj, ConvertorSet convertorSet)
{
return(new JObject
{
{ ConstString.Value, obj }
});
}
public override JObject ToJson(IIndex <string> obj, ConvertorSet convertorSet)
{
return(new JObject
{
{ ConstString.Values, new JArray(obj.Keys.ToList()) }
});
}
public override JObject ToJson(IDictionary obj, ConvertorSet convertorSet)
{
var dict = new Dictionary <string, object>();
foreach (string key in obj.Keys.Cast <string>())
{
object value = obj[key];
dict.Add(key, value);
}
return(ToJson(dict, convertorSet));
}
public override IDictionary FromJson(JObject jobj, ConvertorSet convertorSet)
{
var result = new Dictionary <string, object>();
foreach (KeyValuePair <string, JToken> pair in (JObject)jobj[ConstString.Values])
{
string key = pair.Key;
JObject value = pair.Value as JObject;
result[key] = convertorSet.FromJson(value);
}
return(result);
}
public override JObject ToJson(IEnumerable obj, ConvertorSet convertorSet)
{
var items = new JArray();
foreach (object o in obj)
{
items.Add(convertorSet.ToJson(o));
}
return(new JObject
{
{ ConstString.Values, items }
});
}
public JObject ToJson(Dictionary <string, object> obj, ConvertorSet convertorSet)
{
var items = new JObject();
foreach (KeyValuePair <string, object> pair in obj)
{
string key = pair.Key;
object value = pair.Value;
items[key] = convertorSet.ToJson(value);
}
return(new JObject
{
{ ConstString.Values, items }
});
}
public override JObject ToJson(Array obj, ConvertorSet convertorSet)
{
int nDimensions = obj.Rank;
int[] shape = new int[nDimensions];
for (int i = 0; i < nDimensions; ++i)
{
shape[i] = obj.GetLength(i);
}
double[] items = obj.Cast <double>().ToArray();
return(new JObject
{
{ ConstString.Shape, new JArray(shape) },
{ ConstString.Values, new JArray(items) }
});
}
public override Array FromJson(JObject jobj, ConvertorSet convertorSet)
{
int[] shape = jobj[ConstString.Shape].ToObject <int[]>();
double[] values = jobj[ConstString.Values].ToObject <double[]>();
var arr = Array.CreateInstance(typeof(double), shape);
int[] index = new int[shape.Length];
for (int i = 0; i < values.Length; ++i)
{
arr.SetValue(values[i], index);
if (!Multidimensional.IncIndex(index, shape))
{
break;
}
}
return(arr);
}
public override IFrame FromJson(JObject jobj, ConvertorSet convertorSet)
{
object index = convertorSet.FromJson((JObject)jobj[ConstString.Index]);
object columns = convertorSet.FromJson((JObject)jobj[ConstString.Columns]);
object[] data = jobj[ConstString.Data].ToObject <object[]>();
Type indexType = index.GetType().GetGenericArguments()[0];
Type columnType = columns.GetType().GetGenericArguments()[0];
Frame <int, int> foo;
return(null);
//var rows = new List<KeyValuePair<int, Series<int, object>>>();
//foreach (var row in index)
//{
// IIndex<int>
// rows.Add(KeyValuePair.Create());
//}
//var frame = Frame.FromRows(rows);
//return frame;
}
public override object ObjectFromJson(JObject jobj, ConvertorSet convertorSet) => FromJson(jobj, convertorSet);
public abstract T FromJson(JObject jobj, ConvertorSet convertorSet);
public override JObject ToJson(object obj, ConvertorSet convertorSet) => obj is T?ToJson((T)obj, convertorSet) : null;
public abstract JObject ToJson(T obj, ConvertorSet convertorSet);
public override DateTime FromJson(JObject jobj, ConvertorSet convertorSet)
{
string dateString = jobj.GetValue(ConstString.Value).Value <string>();
return(DateTime.Parse(dateString));
}
public override string FromJson(JObject jobj, ConvertorSet convertorSet)
{
return(jobj.GetValue(ConstString.Value).Value <string>());
}
public override IEnumerable FromJson(JObject jobj, ConvertorSet convertorSet)
{
return((from token in (JArray)jobj[ConstString.Values] select token as JObject into value select convertorSet.FromJson(value)).ToList());
}
public override IIndex <string> FromJson(JObject jobj, ConvertorSet convertorSet)
{
string[] values = jobj[ConstString.Values].ToObject <string[]>();
return(Index.Create(values));
}
public override JObject ToJson(IFrame obj, ConvertorSet convertorSet)
{
dynamic frame = obj;
return(ToJson2(frame, convertorSet));
}
private static JObject ToJson2 <TRowKey, TColumnKey>(Frame <TRowKey, TColumnKey> frame, ConvertorSet convertorSet)
{
var index = convertorSet.ToJson(frame.RowIndex);
var columns = convertorSet.ToJson(frame.ColumnIndex);
List <object> data = new List <object>();
for (int i = 0; i < frame.RowCount; ++i)
{
for (int j = 0; j < frame.ColumnCount; ++j)
{
data.Add(frame.GetColumnAt <object>(j).GetAt(i));
}
}
var dataArray = new JArray(data);
return(new JObject
{
{ ConstString.Index, index },
{ ConstString.Columns, columns },
{ ConstString.Data, dataArray }
});
}
