UnityImageProcessing_Package/Editor/Scripts/Editor/Nodes/NodeAttributes/NodeAttributes.cs

using System;

namespace ImageProcessingGraph.Editor.Nodes.NodeAttributes
{
    [AttributeUsage(AttributeTargets.Class)]
    public class NodeInfoAttribute : Attribute
    {
        private string name;
        private string menuItem;
        private string ussPath;

        public string Title => name;
        public string MenuItem => menuItem;
        public string UssPath => ussPath;

        public NodeInfoAttribute(string name, string menuItem = "", bool requiresImage = false, string ussPath = null)
        {
            this.name = name;
            this.menuItem = menuItem;
            this.ussPath = ussPath;
        }
    }

    [AttributeUsage(AttributeTargets.Field)]
    public class Input : Attribute
    {
        public string Label { get; }

        public Input(string _label)
        {
            Label = _label;
        }
    }

    [AttributeUsage(AttributeTargets.Field)]
    public class Output : Attribute
    {
        public string Label { get; }

        public Output(string _label)
        {
            Label = _label;
        }
    }
}