using System;

using System.IO;

using System.Text;

using System.Collections.Generic;

using Newtonsoft.Json;

​

interface IAngularExpression

{}

​

class AngularExpression : IAngularExpression

{

    private readonly string _code;

    public AngularExpression(string code)

    {

        _code = code;

    }

​

    public override string ToString()

    {

        return _code;

    }

}

​

class AngularConverter : JsonConverter

{

    public override bool CanConvert(Type objectType)

    {

        return typeof(IAngularExpression).IsAssignableFrom(objectType);

    }

​

    public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)

    {

        throw new NotImplementedException();

    }

​

    public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)

    {

        writer.WriteRawValue(value.ToString());

    }

}

​

public class Program

{

    public static void Main()

    {

        var obj = new Dictionary<string, object> {

            { "foo", "bar" },

            { "test", 42 },

            { "date", DateTime.Now },

            { "myValue", new AngularExpression("argh") },

            { "myCode", new AngularExpression("() => console.log('')") },

            { "child", new Dictionary<string, object> {

                { "sub1", "sub\"bing" },

                { "sub2", "sub'bing" },

                { "sub3", "sub&bing" },

            } }

        };

​

        //////////////

​

        var sb = new StringBuilder();

        using (var stringWriter = new StringWriter(sb))

        {

            using (var jsonWriter = new JsonTextWriter(stringWriter))

            {

                jsonWriter.QuoteChar = '\'';

                jsonWriter.Formatting = Formatting.Indented;

                jsonWriter.StringEscapeHandling = StringEscapeHandling.EscapeHtml;

                jsonWriter.QuoteName = false;

​

                var serializer = new JsonSerializer();

                serializer.Converters.Add(new AngularConverter());

                serializer.Serialize(jsonWriter, obj);

​

                Console.WriteLine(sb.ToString());

            }

        }

    }

}

​