63 lines
1.9 KiB
C#
63 lines
1.9 KiB
C#
#nullable enable
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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namespace ShrinkCommand
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{
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[AttributeUsage(AttributeTargets.Assembly, AllowMultiple = true)]
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public sealed class ShrinkCommandStaticRegistryAttribute : Attribute
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{
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public ShrinkCommandStaticRegistryAttribute(params Type[] subscriberTypes)
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{
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SubscriberTypes = subscriberTypes ?? Array.Empty<Type>();
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}
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public Type[] SubscriberTypes { get; }
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}
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internal static class ShrinkCommandGeneratedRegistry
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{
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public static IReadOnlyList<Type> GetStaticSubscriberTypes()
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{
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var types = new List<Type>();
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var seen = new HashSet<Type>();
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foreach (var assembly in AppDomain.CurrentDomain.GetAssemblies())
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{
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object[] attributes;
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try
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{
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attributes = assembly.GetCustomAttributes(typeof(ShrinkCommandStaticRegistryAttribute), false);
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}
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catch
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{
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continue;
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}
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foreach (var attribute in attributes.OfType<ShrinkCommandStaticRegistryAttribute>())
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{
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foreach (var subscriberType in attribute.SubscriberTypes ?? Array.Empty<Type>())
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{
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if (subscriberType == null || !seen.Add(subscriberType))
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continue;
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types.Add(subscriberType);
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}
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}
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}
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return types;
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}
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public static void RegisterAll(ShrinkCommandService service)
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{
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if (service == null)
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throw new ArgumentNullException(nameof(service));
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ShrinkCommandRegHelper.RegisterStaticCommandSubscriberTypes(service, GetStaticSubscriberTypes());
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}
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}
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}
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