StringToCiString.cs

using System;
using Waher.Persistence;
using Waher.Script.Abstraction.Elements;
using Waher.Script.Objects;
using Waher.Script.TypeConversion;
 
namespace Waher.Script.Persistence.TypeConversion
{
    public class StringToCiString : ITypeConverter
    {
        public Type From => typeof(string);
 
        public Type To => typeof(CaseInsensitiveString);
 
        public object Convert(object Value)
        {
            if (Value is null)
                return null;
 
            if (!(Value is string String))
                throw new ArgumentException("Expected string.", nameof(Value));
 
            return (CaseInsensitiveString)String;
        }
 
        public IElement ConvertToElement(object Value)
        {
            if (Value is null)
                return ObjectValue.Null;
 
            if (!(Value is string String))
                throw new ArgumentException("Expected string.", nameof(Value));
 
            return new ObjectValue((CaseInsensitiveString)String);
        }
    }
}