using System;
using JD.TeaBoxAddinSystem.Addins.Internal;

namespace JD.TeaBoxAddinSystem.Addins.Attributes
{
    /// <summary>
    /// Let a custom class use a addin objects to convert a string to the custom value.
    /// </summary>
    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Interface, Inherited = true, AllowMultiple = false)]
    public abstract class AddinConverterAttribute : Attribute
    {
        /// <summary>
        /// Converts the string to the type decorated by the attribute.
        /// </summary>
        /// <param name="expectedType"></param>
        /// <param name="value"></param>
        /// <param name="node"></param>
        /// <returns></returns>
        public abstract object Convert(Type expectedType, string value, Node node);
    }
}