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using System;
using System.Diagnostics.CodeAnalysis;
using System.Reflection;
using HarmonyLib;
#pragma warning disable CS1591 // Missing XML comment for publicly visible type or member: This is internal code to support rewriters that shouldn't be called directly.
namespace StardewModdingAPI.Framework.ModLoading.RewriteFacades
{
/// <summary>Maps Harmony 1.x <see cref="HarmonyMethod"/> methods to Harmony 2.x to avoid breaking older mods.</summary>
/// <remarks>This is public to support SMAPI rewriting and should not be referenced directly by mods.</remarks>
[SuppressMessage("ReSharper", "UnusedMember.Global", Justification = "Used via assembly rewriting")]
[SuppressMessage("ReSharper", "CS1591", Justification = "Documentation not needed for facade classes.")]
public class HarmonyMethodFacade : HarmonyMethod
{
/*********
** Public methods
*********/
public HarmonyMethodFacade(MethodInfo method)
{
this.ImportMethodImpl(method);
}
public HarmonyMethodFacade(Type type, string name, Type[]? parameters = null)
{
this.ImportMethodImpl(AccessTools.Method(type, name, parameters));
}
/*********
** Private methods
*********/
/// <summary>Import a method directly using the internal HarmonyMethod code.</summary>
/// <param name="methodInfo">The method to import.</param>
private void ImportMethodImpl(MethodInfo methodInfo)
{
// A null method is no longer allowed in the constructor with Harmony 2.0, but the
// internal code still handles null fine. For backwards compatibility, this bypasses
// the new restriction when the mod hasn't been updated for Harmony 2.0 yet.
MethodInfo? importMethod = typeof(HarmonyMethod).GetMethod("ImportMethod", BindingFlags.Instance | BindingFlags.NonPublic);
if (importMethod == null)
throw new InvalidOperationException("Can't find 'HarmonyMethod.ImportMethod' method");
importMethod.Invoke(this, new object[] { methodInfo });
}
}
}
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