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//
// EventDefinition.cs
//
// Author:
// Jb Evain (jbevain@gmail.com)
//
// Copyright (c) 2008 - 2011 Jb Evain
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using Mono.Collections.Generic;
namespace Mono.Cecil {
public sealed class EventDefinition : EventReference, IMemberDefinition {
ushort attributes;
Collection<CustomAttribute> custom_attributes;
internal MethodDefinition add_method;
internal MethodDefinition invoke_method;
internal MethodDefinition remove_method;
internal Collection<MethodDefinition> other_methods;
public EventAttributes Attributes {
get { return (EventAttributes) attributes; }
set { attributes = (ushort) value; }
}
public MethodDefinition AddMethod {
get {
if (add_method != null)
return add_method;
InitializeMethods ();
return add_method;
}
set { add_method = value; }
}
public MethodDefinition InvokeMethod {
get {
if (invoke_method != null)
return invoke_method;
InitializeMethods ();
return invoke_method;
}
set { invoke_method = value; }
}
public MethodDefinition RemoveMethod {
get {
if (remove_method != null)
return remove_method;
InitializeMethods ();
return remove_method;
}
set { remove_method = value; }
}
public bool HasOtherMethods {
get {
if (other_methods != null)
return other_methods.Count > 0;
InitializeMethods ();
return !other_methods.IsNullOrEmpty ();
}
}
public Collection<MethodDefinition> OtherMethods {
get {
if (other_methods != null)
return other_methods;
InitializeMethods ();
if (other_methods != null)
return other_methods;
return other_methods = new Collection<MethodDefinition> ();
}
}
public bool HasCustomAttributes {
get {
if (custom_attributes != null)
return custom_attributes.Count > 0;
return this.GetHasCustomAttributes (Module);
}
}
public Collection<CustomAttribute> CustomAttributes {
get { return custom_attributes ?? (custom_attributes = this.GetCustomAttributes (Module)); }
}
#region EventAttributes
public bool IsSpecialName {
get { return attributes.GetAttributes ((ushort) EventAttributes.SpecialName); }
set { attributes = attributes.SetAttributes ((ushort) EventAttributes.SpecialName, value); }
}
public bool IsRuntimeSpecialName {
get { return attributes.GetAttributes ((ushort) FieldAttributes.RTSpecialName); }
set { attributes = attributes.SetAttributes ((ushort) FieldAttributes.RTSpecialName, value); }
}
#endregion
public new TypeDefinition DeclaringType {
get { return (TypeDefinition) base.DeclaringType; }
set { base.DeclaringType = value; }
}
public override bool IsDefinition {
get { return true; }
}
public EventDefinition (string name, EventAttributes attributes, TypeReference eventType)
: base (name, eventType)
{
this.attributes = (ushort) attributes;
this.token = new MetadataToken (TokenType.Event);
}
void InitializeMethods ()
{
if (add_method != null
|| invoke_method != null
|| remove_method != null)
return;
var module = this.Module;
if (!module.HasImage ())
return;
module.Read (this, (@event, reader) => reader.ReadMethods (@event));
}
public override EventDefinition Resolve ()
{
return this;
}
}
}
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