public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
while (reader.TokenType != JsonToken.StartObject)
{
reader.Read();
}
reader.Read();
var op = reader.Value.ToString();
// reader.Read();
switch (op)
{
case "and":
case "or":
reader.Read();
var combined = new CombinedFilterExpression {
Operator = (CombinationOperator)Enum.Parse(typeof(CombinationOperator), char.ToUpper(op[0]) + op.Substring(1))
};
var combineitem = ProcessCombinedExpression(combined, reader, serializer);
return(combineitem);
default:
var comparison = new ComparisonFilterExpression {
Operator = GetComparison(op)
};
var compareitem = ProcessComparisonFilter(comparison, reader, serializer);
return(compareitem);
}
}
private CombinedFilterExpression ProcessCombinedExpression(CombinedFilterExpression expression, JsonReader reader, JsonSerializer serializer)
{
reader.Read(); // Start Array
var list = new List <FilterExpression>();
while (reader.TokenType != JsonToken.EndArray)
{
var filter = serializer.Deserialize <FilterExpression>(reader);
list.Add(filter);
if (reader.TokenType == JsonToken.EndObject)
{
reader.Read();
}
}
expression.Filters = list.ToArray();
while (reader.TokenType != JsonToken.EndObject)
{
reader.Read(); //End Array
}
return(expression);
}
