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/*
Copyright (C) 2009-2012 Jeroen Frijters
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
Jeroen Frijters
jeroen@frijters.net
*/
using System.Collections.Generic;
using System.Diagnostics;
namespace IKVM.Reflection
{
public abstract class EventInfo : MemberInfo
{
// prevent external subclasses
internal EventInfo()
{
}
public sealed override MemberTypes MemberType
{
get { return MemberTypes.Event; }
}
public abstract EventAttributes Attributes { get; }
public abstract MethodInfo GetAddMethod(bool nonPublic);
public abstract MethodInfo GetRaiseMethod(bool nonPublic);
public abstract MethodInfo GetRemoveMethod(bool nonPublic);
public abstract MethodInfo[] GetOtherMethods(bool nonPublic);
public abstract MethodInfo[] __GetMethods();
public abstract Type EventHandlerType { get; }
internal abstract bool IsPublic { get; }
internal abstract bool IsNonPrivate { get; }
internal abstract bool IsStatic { get; }
public bool IsSpecialName
{
get { return (Attributes & EventAttributes.SpecialName) != 0; }
}
public MethodInfo GetAddMethod()
{
return GetAddMethod(false);
}
public MethodInfo GetRaiseMethod()
{
return GetRaiseMethod(false);
}
public MethodInfo GetRemoveMethod()
{
return GetRemoveMethod(false);
}
public MethodInfo[] GetOtherMethods()
{
return GetOtherMethods(false);
}
public MethodInfo AddMethod
{
get { return GetAddMethod(true); }
}
public MethodInfo RaiseMethod
{
get { return GetRaiseMethod(true); }
}
public MethodInfo RemoveMethod
{
get { return GetRemoveMethod(true); }
}
internal virtual EventInfo BindTypeParameters(Type type)
{
return new GenericEventInfo(this.DeclaringType.BindTypeParameters(type), this);
}
public override string ToString()
{
return this.DeclaringType.ToString() + " " + Name;
}
internal sealed override bool BindingFlagsMatch(BindingFlags flags)
{
return BindingFlagsMatch(IsPublic, flags, BindingFlags.Public, BindingFlags.NonPublic)
&& BindingFlagsMatch(IsStatic, flags, BindingFlags.Static, BindingFlags.Instance);
}
internal sealed override bool BindingFlagsMatchInherited(BindingFlags flags)
{
return IsNonPrivate
&& BindingFlagsMatch(IsPublic, flags, BindingFlags.Public, BindingFlags.NonPublic)
&& BindingFlagsMatch(IsStatic, flags, BindingFlags.Static | BindingFlags.FlattenHierarchy, BindingFlags.Instance);
}
internal sealed override MemberInfo SetReflectedType(Type type)
{
return new EventInfoWithReflectedType(type, this);
}
internal sealed override List<CustomAttributeData> GetPseudoCustomAttributes(Type attributeType)
{
// events don't have pseudo custom attributes
return null;
}
}
sealed class EventInfoWithReflectedType : EventInfo
{
private readonly Type reflectedType;
private readonly EventInfo eventInfo;
internal EventInfoWithReflectedType(Type reflectedType, EventInfo eventInfo)
{
Debug.Assert(reflectedType != eventInfo.DeclaringType);
this.reflectedType = reflectedType;
this.eventInfo = eventInfo;
}
public override EventAttributes Attributes
{
get { return eventInfo.Attributes; }
}
public override MethodInfo GetAddMethod(bool nonPublic)
{
return SetReflectedType(eventInfo.GetAddMethod(nonPublic), reflectedType);
}
public override MethodInfo GetRaiseMethod(bool nonPublic)
{
return SetReflectedType(eventInfo.GetRaiseMethod(nonPublic), reflectedType);
}
public override MethodInfo GetRemoveMethod(bool nonPublic)
{
return SetReflectedType(eventInfo.GetRemoveMethod(nonPublic), reflectedType);
}
public override MethodInfo[] GetOtherMethods(bool nonPublic)
{
return SetReflectedType(eventInfo.GetOtherMethods(nonPublic), reflectedType);
}
public override MethodInfo[] __GetMethods()
{
return SetReflectedType(eventInfo.__GetMethods(), reflectedType);
}
public override Type EventHandlerType
{
get { return eventInfo.EventHandlerType; }
}
internal override bool IsPublic
{
get { return eventInfo.IsPublic; }
}
internal override bool IsNonPrivate
{
get { return eventInfo.IsNonPrivate; }
}
internal override bool IsStatic
{
get { return eventInfo.IsStatic; }
}
internal override EventInfo BindTypeParameters(Type type)
{
return eventInfo.BindTypeParameters(type);
}
public override string ToString()
{
return eventInfo.ToString();
}
public override bool __IsMissing
{
get { return eventInfo.__IsMissing; }
}
public override Type DeclaringType
{
get { return eventInfo.DeclaringType; }
}
public override Type ReflectedType
{
get { return reflectedType; }
}
public override bool Equals(object obj)
{
EventInfoWithReflectedType other = obj as EventInfoWithReflectedType;
return other != null
&& other.reflectedType == reflectedType
&& other.eventInfo == eventInfo;
}
public override int GetHashCode()
{
return reflectedType.GetHashCode() ^ eventInfo.GetHashCode();
}
public override int MetadataToken
{
get { return eventInfo.MetadataToken; }
}
public override Module Module
{
get { return eventInfo.Module; }
}
public override string Name
{
get { return eventInfo.Name; }
}
internal override bool IsBaked
{
get { return eventInfo.IsBaked; }
}
internal override int GetCurrentToken()
{
return eventInfo.GetCurrentToken();
}
}
}
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