68 lines
2.3 KiB
C#
68 lines
2.3 KiB
C#
using System;
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using System.Reflection;
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#pragma warning disable CS8632 // 只能在 "#nullable" 注释上下文内的代码中使用可为 null 的引用类型的注释。
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namespace ShrinkEventBus
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{
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public interface IMethodWrapper
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{
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MethodInfo OriginalMethod { get; }
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}
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public class EventHandlerInfo
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{
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public Delegate Handler { get; }
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public EventPriority Priority { get; }
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public int NumericPriority { get; }
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public bool ReceiveCanceled { get; }
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public object? Target { get; }
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public MethodInfo Method { get; }
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public string DebugInfo { get; }
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public Type DeclaringType { get; }
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public string MethodName { get; }
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public MethodInfo? OriginalMethod { get; }
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public string OriginalMethodName { get; }
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public Type? OriginalDeclaringType { get; }
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public EventHandlerInfo(Delegate handler, EventPriority priority, int numericPriority,
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bool receiveCanceled, string debugInfo = "", MethodInfo? originalMethod = null)
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{
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Handler = handler;
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Priority = priority;
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NumericPriority = numericPriority;
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ReceiveCanceled = receiveCanceled;
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Target = handler.Target;
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Method = handler.Method;
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DebugInfo = debugInfo;
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DeclaringType = Method.DeclaringType ?? typeof(object);
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MethodName = Method.Name;
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OriginalMethod = ExtractOriginalMethodFromWrapper(handler) ?? originalMethod;
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if (OriginalMethod != null)
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{
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OriginalMethodName = OriginalMethod.Name;
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OriginalDeclaringType = OriginalMethod.DeclaringType;
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}
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else
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{
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OriginalMethodName = MethodName;
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OriginalDeclaringType = DeclaringType;
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}
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}
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private static MethodInfo? ExtractOriginalMethodFromWrapper(Delegate handler)
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{
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if (handler.Target is IMethodWrapper wrapper)
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{
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return wrapper.OriginalMethod;
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}
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return null;
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}
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public string DisplayMethodName => OriginalMethodName;
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public Type DisplayDeclaringType => OriginalDeclaringType ?? DeclaringType;
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}
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} |