using System;
    using System.Linq;
    using System.Reflection;

    public class RouteBuilderAttribute : Attribute
    {
        public Type Type { get; }
        public string PropName { get; }

        // cache methodInfo
        private MethodInfo methodInfo;
        public MethodInfo Method
        {
            get
            {
                if(methodInfo == null)
                {
                    PropertyInfo propInfo = Type.GetProperty(PropName);
                    methodInfo = propInfo.GetGetMethod();
                }
                return methodInfo;
            }
        }


        public RouteBuilderAttribute(Type type, string propName)
        {
            Type = type;
            PropName = propName;
        }
    }

    public class Editor
    {
        public static Editor GetEditor(object o)
        {
            // dummy
            return null;
        }
    }

    [RouteBuilder(typeof(RouteBuilder), "foo")]
    public class MyEditor : Editor
    {

    }

    public class RouteBuilderEditorWindow
    {
        private Type[] editorTypes = new Type[]
            {
                typeof(MyEditor),
            };

        private RouteBuilder routeBuilder = new RouteBuilder();

        private object GetObjectFromType(Type type, object obj)
        {
            object[] attributes = type.GetCustomAttributes(typeof(RouteBuilderAttribute), false);
            RouteBuilderAttribute rba = attributes.Where(x => x is RouteBuilderAttribute) as RouteBuilderAttribute;
            return rba.Method.Invoke(obj, null);
        }

        private bool TryGetEditor(Type editorType, out Editor e)
        {
            object data = GetObjectFromType(editorType, routeBuilder);
            e = Editor.GetEditor(data);
            return true;
        }
    }

    public class RouteBuilder
    {
        public int foo;
    }