mirror of
https://github.com/kwsch/PKHeX
synced 2024-12-23 10:53:10 +00:00
cce4707604
Handle all warnings obviously the usage of null! could potentially be avoided if the object init wasn't such garbage, but here we are with years of old junk and lack of abstraction in the GUI project
79 lines
2.8 KiB
C#
79 lines
2.8 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.IO;
|
|
using System.Linq;
|
|
using System.Reflection;
|
|
|
|
namespace PKHeX.WinForms
|
|
{
|
|
public static class PluginLoader
|
|
{
|
|
public static IEnumerable<T> LoadPlugins<T>(string pluginPath) where T : class
|
|
{
|
|
var dllFileNames = !Directory.Exists(pluginPath)
|
|
? Enumerable.Empty<string>()
|
|
: Directory.EnumerateFiles(pluginPath, "*.dll", SearchOption.AllDirectories);
|
|
var assemblies = GetAssemblies(dllFileNames);
|
|
var pluginTypes = GetPluginsOfType<T>(assemblies);
|
|
return LoadPlugins<T>(pluginTypes);
|
|
}
|
|
|
|
private static IEnumerable<T> LoadPlugins<T>(IEnumerable<Type> pluginTypes) where T : class
|
|
{
|
|
foreach (var t in pluginTypes)
|
|
{
|
|
var activate = (T?) Activator.CreateInstance(t);
|
|
if (activate != null)
|
|
yield return activate;
|
|
}
|
|
}
|
|
|
|
private static IEnumerable<Assembly> GetAssemblies(IEnumerable<string> dllFileNames)
|
|
{
|
|
#if UNSAFEDLL
|
|
var assemblies = dllFileNames.Select(Assembly.UnsafeLoadFrom);
|
|
#else
|
|
var assemblies = dllFileNames.Select(Assembly.LoadFrom);
|
|
#endif
|
|
#if MERGED
|
|
assemblies = assemblies.Concat(new[] { Assembly.GetExecutingAssembly() }); // load merged too
|
|
#endif
|
|
return assemblies;
|
|
}
|
|
|
|
private static IEnumerable<Type> GetPluginsOfType<T>(IEnumerable<Assembly> assemblies)
|
|
{
|
|
var pluginType = typeof(T);
|
|
return assemblies.Where(z => z != null).SelectMany(z => GetPluginTypes(z, pluginType));
|
|
}
|
|
|
|
private static IEnumerable<Type> GetPluginTypes(Assembly z, Type pluginType)
|
|
{
|
|
try
|
|
{
|
|
var types = z.GetTypes();
|
|
return types.Where(type => IsTypePlugin(type, pluginType));
|
|
}
|
|
#pragma warning disable CA1031 // Do not catch general exception types
|
|
// User plugins can be out of date, with mismatching API surfaces.
|
|
catch (Exception ex)
|
|
#pragma warning restore CA1031 // Do not catch general exception types
|
|
{
|
|
System.Diagnostics.Debug.WriteLine($"Unable to load plugin [{pluginType.Name}]: {z.FullName}", ex.Message);
|
|
return Enumerable.Empty<Type>();
|
|
}
|
|
}
|
|
|
|
private static bool IsTypePlugin(Type type, Type pluginType)
|
|
{
|
|
if (type.IsInterface || type.IsAbstract)
|
|
return false;
|
|
var name = pluginType.FullName;
|
|
if (name == null)
|
|
return false;
|
|
if (type.GetInterface(name) == null)
|
|
return false;
|
|
return true;
|
|
}
|
|
}
|
|
}
|