ToDateTimeLiteral.cs

using System;
using System.Numerics;
using Waher.Content;
using Waher.Content.Semantic.Model.Literals;
using Waher.Content.Xml;
using Waher.Script.Abstraction.Elements;
using Waher.Script.Model;
 
namespace Waher.Script.Persistence.SPARQL.Functions.TypeConversion
{
    public class ToDateTimeLiteral : SemanticConversionFunction
    {
        public ToDateTimeLiteral()
            : base()
        {
        }
 
        public ToDateTimeLiteral(ScriptNode Argument, int Start, int Length, Expression Expression)
            : base(Argument, Start, Length, Expression)
        {
        }
 
        public override ScriptNode CreateFunction(ScriptNode Argument, int Start, int Length, Expression Expression)
        {
            return new ToDateTimeLiteral(Argument, Start, Length, Expression);
        }
 
        public override string FunctionName => DateTimeLiteral.TypeUri;
 
        public override IElement Convert(object Value)
        {
            if (Value is DateTime d)
                return new DateTimeLiteral(d);
            else if (Value is DateTimeOffset DTO)
                return new DateTimeLiteral(DTO.DateTime);
            else if (Value is string s)
            {
                if (XML.TryParse(s, out d))
                    return new DateTimeLiteral(d);
            }
        
            d = System.Convert.ToDateTime(Value);
            return new DateTimeLiteral(d);
        }
    }
}