using System;

using HandlebarsDotNet;

public class Program

{

    private static string GetArgumentValue(object argument)

    {

        if (argument.GetType().Name == "UndefinedBindingResult")

        {

            return (string)argument.GetType().GetField("Value").GetValue(argument);

        }

​

        return argument.ToString();

    }

    public static void Main()

    {

        var handlebars = Handlebars.Create();

​

        handlebars.RegisterHelper("ifCond", (output, context, arguments) =>

                                  {

                                      var value1 = GetArgumentValue(arguments[0]);

                                      var operation = GetArgumentValue(arguments[1]);

                                      var value2 = GetArgumentValue(arguments[2]);

                                      var returnValue1 = GetArgumentValue(arguments[3]);

                                      var returnValue2 = GetArgumentValue(arguments[4]);

​

                                      switch (operation)

                                      {

                                          case "eq":

                                              output.Write(value1 == value2 ? returnValue1 : returnValue2);

                                              break;

                                          case "ne":

                                              output.Write(value1 != value2 ? returnValue1 : returnValue2);

                                              break;

                                          default:

                                              throw new Exception("ifCond: Unrecognized operation");

                                      }

                                  });

​

        var template = handlebars.Compile("{{ifCond MyData eq \"01\" X Y}}");

        var result1 = template.Invoke(new { MyData = "01" });

        Console.WriteLine("result1 = " + result1);

        var result2 = template.Invoke(new { MyData = "00" });

        Console.WriteLine("result2 = " + result2);

    }

}