private object ReadValue(JsonSerializer serializer, JsonReader reader)
{
while (reader.TokenType == JsonToken.Comment)
{
if (!reader.Read())
{
throw JsonSerializationExceptionExtensions.Create(reader, "Unexpected end when reading ExpandoObject.");
}
}
switch (reader.TokenType)
{
case JsonToken.StartObject:
return(ReadObject(serializer, reader));
case JsonToken.StartArray:
return(ReadList(serializer, reader));
default:
if (JsonTokenUtils.IsPrimitiveToken(reader.TokenType))
{
return(reader.Value);
}
throw JsonSerializationExceptionExtensions.Create(reader, "Unexpected token when converting ExpandoObject");
}
}
private object ReadObject(JsonSerializer serializer, JsonReader reader)
{
IDictionary <string, object> expandoObject = null;
object referenceObject = null;
while (reader.Read())
{
switch (reader.TokenType)
{
case JsonToken.PropertyName:
string propertyName = reader.Value.ToString();
if (!reader.Read())
{
throw new InvalidOperationException("Unexpected end when reading ExpandoObject.");
}
object v = ReadValue(serializer, reader);
if (propertyName == "$ref")
{
var id = (v == null ? null : Convert.ToString(v, CultureInfo.InvariantCulture));
referenceObject = serializer.ReferenceResolver.ResolveReference(serializer, id);
}
else if (propertyName == "$id")
{
var id = (v == null ? null : Convert.ToString(v, CultureInfo.InvariantCulture));
serializer.ReferenceResolver.AddReference(serializer, id, (expandoObject ?? (expandoObject = new ExpandoObject())));
}
else
{
(expandoObject ?? (expandoObject = new ExpandoObject()))[propertyName] = v;
}
break;
case JsonToken.Comment:
break;
case JsonToken.EndObject:
if (referenceObject != null && expandoObject != null)
{
throw JsonSerializationExceptionExtensions.Create(reader, "ExpandoObject contained both $ref and real data");
}
return(referenceObject ?? expandoObject);
}
}
throw JsonSerializationExceptionExtensions.Create(reader, "Unexpected end when reading ExpandoObject.");
}
private object ReadList(JsonSerializer serializer, JsonReader reader)
{
IList <object> list = new List <object>();
while (reader.Read())
{
switch (reader.TokenType)
{
case JsonToken.Comment:
break;
default:
object v = ReadValue(serializer, reader);
list.Add(v);
break;
case JsonToken.EndArray:
return(list);
}
}
throw JsonSerializationExceptionExtensions.Create(reader, "Unexpected end when reading ExpandoObject.");
}
