StrLang.cs

using System.Threading.Tasks;
using Waher.Content.Semantic.Model.Literals;
using Waher.Script;
using Waher.Script.Abstraction.Elements;
using Waher.Script.Model;
 
namespace Waher.Content.Semantic.Functions
{
    public class StrLang : FunctionTwoScalarVariables
    {
        public StrLang(ScriptNode Value, ScriptNode Type, int Start, int Length, Expression Expression)
            : base(Value, Type, Start, Length, Expression)
        {
        }
 
        public override string FunctionName => nameof(StrLang);
 
        public override string[] DefaultArgumentNames => new string[] { "Value", "Language" };
 
        public override bool UpgradeScalarsToSameSet => true;
 
        public override IElement EvaluateScalar(string Argument1, string Argument2, Variables Variables)
        {
            return new StringLiteral(Argument1, Argument2);
        }
 
        public override Task<IElement> EvaluateScalarAsync(string Argument1, string Argument2, Variables Variables)
        {
            return Task.FromResult(this.EvaluateScalar(Argument1, Argument2, Variables));
        }
    }
}