GetSources.cs

using Waher.Runtime.Inventory;
using Waher.Script;
using Waher.Script.Abstraction.Elements;
using Waher.Script.Model;
using Waher.Script.Objects;
using Waher.Things;
 
namespace Waher.IoTGateway.ScriptExtensions.Functions
{
    public class GetSources : FunctionZeroVariables
    {
 
        public GetSources(int Start, int Length, Expression Expression)
            : base(Start, Length, Expression)
        {
        }
 
        public override string FunctionName => nameof(GetSources);
 
        public override IElement Evaluate(Variables Variables)
        {
            if (Types.TryGetModuleParameter("Sources", out object Obj) && Obj is IDataSource[] Sources)
                return new ObjectValue(Sources);
            else
                return ObjectValue.Null;
        }
    }
}