oni-priority-ux/mod/PLibOptions/DynamicOptionAttribute.cs

55 lines
2.2 KiB
C#

/*
* Copyright 2022 Peter Han
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
using PeterHan.PLib.Core;
using System;
namespace PeterHan.PLib {
/// <summary>
/// An attribute placed on an option property for a class used as mod options in order to
/// make PLib use a custom options handler. The type used for the handler must inherit
/// from IOptionsEntry.
/// </summary>
[AttributeUsage(AttributeTargets.Property, AllowMultiple = false, Inherited = true)]
public sealed class DynamicOptionAttribute : Attribute {
/// <summary>
/// The option category.
/// </summary>
public string Category { get; }
/// <summary>
/// The option handler.
/// </summary>
public Type Handler { get; }
/// <summary>
/// Denotes a mod option field.
/// </summary>
/// <param name="type">The type that will handle this dynamic option.</param>
/// <param name="category">The category to use, or null for the default category.</param>
public DynamicOptionAttribute(Type type, string category = null) {
Category = category;
Handler = type ?? throw new ArgumentNullException(nameof(type));
}
public override string ToString() {
return "DynamicOption[handler={0},category={1}]".F(Handler.FullName, Category);
}
}
}