TimeZone.cs

using System;
using Waher.Content.Semantic.Model.Literals;
using Waher.Script;
using Waher.Script.Abstraction.Elements;
using Waher.Script.Exceptions;
using Waher.Script.Model;
 
namespace Waher.Content.Semantic.Functions
{
    public class TimeZone : FunctionOneSemanticVariable
    {
        public TimeZone(ScriptNode Argument, int Start, int Length, Expression Expression)
            : base(Argument, Start, Length, Expression)
        {
        }
 
        public override string FunctionName => nameof(TimeZone);
 
        public override IElement EvaluateScalar(ISemanticElement Argument, Variables Variables)
        {
            if (Argument.AssociatedObjectValue is DateTimeOffset TP)
                return new DayTimeDurationLiteral(Duration.FromTimeSpan(TP.Offset));
            else
                throw new ScriptRuntimeException("Expected a Date and Time value.", this);
        }
    }
}