TextUnit.cs

using System;
using Waher.Script;
using Waher.Script.Abstraction.Elements;
using Waher.Script.Model;
 
namespace Waher.Content.Markdown.Functions
{
    public class TextUnit : FunctionMultiVariate
    {
        public TextUnit(ScriptNode Number, ScriptNode SingularUnit, ScriptNode PluralUnit, int Start, int Length, Expression Expression)
            : base(new ScriptNode[] { Number, SingularUnit, PluralUnit }, argumentTypes3Scalar, Start, Length, Expression)
        {
        }
 
        public override string FunctionName => nameof(TextUnit);
 
        public override string[] DefaultArgumentNames => new string[] { "Number", "SingularUnit", "PluralUnit" };
 
        public override IElement Evaluate(IElement[] Arguments, Variables Variables)
        {
            double Nr = Expression.ToDouble(Arguments[0].AssociatedObjectValue);
 
            if (Math.Abs(Nr) == 1)
                return Arguments[1];
            else
                return Arguments[2];
        }
    }
}