TOON.cs

using System;
using System.Collections.Generic;
using Waher.Runtime.Inventory;
using Waher.Script.Abstraction.Elements;
 
namespace Waher.Content.Toon
{
    public static class TOON
    {
        private static readonly Dictionary<Type, IToonEncoder> encoders;
 
        static TOON()
        {
            encoders = new Dictionary<Type, IToonEncoder>();
            Types.OnInvalidated += Types_OnInvalidated;
        }
 
        private static void Types_OnInvalidated(object Sender, EventArgs e)
        {
            lock (encoders)
            {
                encoders.Clear();
            }
        }
 
        #region Encoding
 
        public static string Encode(object Object, bool Indent)
        {
            ToonOutput sb = new ToonOutput();
            Encode(Object, Indent, sb);
            return sb.ToString();
        }
 
        public static void Encode(object Object, bool Indent, ToonOutput Toon)
        {
            Encode(Object, Indent ? (int?)-1 : null, Toon);
        }
 
        public static void Encode(object Object, int? Indent, ToonOutput Toon)
        {
            if (Object is null)
                Toon.Append("null");
            else
            {
                IToonEncoder Encoder = GetEncoder(Object);
                Encoder.Encode(Object, Indent, Toon);
            }
        }
 
        public static IToonEncoder GetEncoder(object Value)
        {
            Type T = Value?.GetType() ?? typeof(object);
            IToonEncoder Encoder;
 
            lock (encoders)
            {
                if (!encoders.TryGetValue(T, out Encoder))
                {
                    Encoder = Types.FindBest<IToonEncoder, Type>(T)
                        ?? throw new ArgumentException("Unable to encode objects of type " + T.FullName, nameof(Object));
 
                    encoders[T] = Encoder;
                }
            }
 
            return Encoder;
        }
 
        #endregion
    }
}