Editor/Embedded/ValveResourceFormat/ExtensionAttribute.cs

An attribute class used in the Editor assembly that annotates enum fields (or other fields) with a file extension string. It stores a single read-only Extension property set via constructor.

#nullable enable
using System;
using System.Collections.Generic;
using System.Linq;
using HumanoidRetargeter.EditorTools.Embedded.ValveResourceFormat.Utils;
namespace HumanoidRetargeter.EditorTools.Embedded.ValveResourceFormat;

    /// <summary>
    /// Attribute to specify file extension for resource types.
    /// </summary>
    [AttributeUsage(AttributeTargets.Field)]
    public sealed class ExtensionAttribute : Attribute
    {
        /// <summary>
        /// Gets the file extension.
        /// </summary>
        public string Extension { get; }

        /// <summary>
        /// Initializes a new instance of the <see cref="ExtensionAttribute"/> class.
        /// </summary>
        /// <param name="extension">The file extension.</param>
        public ExtensionAttribute(string extension)
        {
            Extension = extension;
        }
    }