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//
// EventDefinition.cs
//
// Author:
// Jb Evain (jbevain@gmail.com)
//
// (C) 2005 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.
//
namespace Mono.Cecil {
public sealed class EventDefinition : EventReference, IMemberDefinition, ICustomAttributeProvider {
EventAttributes m_attributes;
CustomAttributeCollection m_customAttrs;
MethodDefinition m_addMeth;
MethodDefinition m_invMeth;
MethodDefinition m_remMeth;
public EventAttributes Attributes {
get { return m_attributes; }
set { m_attributes = value; }
}
public MethodDefinition AddMethod {
get { return m_addMeth; }
set { m_addMeth = value; }
}
public MethodDefinition InvokeMethod {
get { return m_invMeth; }
set { m_invMeth = value; }
}
public MethodDefinition RemoveMethod {
get { return m_remMeth; }
set { m_remMeth = value; }
}
public bool HasCustomAttributes {
get { return (m_customAttrs == null) ? false : (m_customAttrs.Count > 0); }
}
public CustomAttributeCollection CustomAttributes {
get {
if (m_customAttrs == null)
m_customAttrs = new CustomAttributeCollection (this);
return m_customAttrs;
}
}
#region EventAttributes
public bool IsSpecialName {
get { return (m_attributes & EventAttributes.SpecialName) != 0; }
set {
if (value)
m_attributes |= EventAttributes.SpecialName;
else
m_attributes &= ~EventAttributes.SpecialName;
}
}
public bool IsRuntimeSpecialName {
get { return (m_attributes & EventAttributes.RTSpecialName) != 0; }
set {
if (value)
m_attributes |= EventAttributes.RTSpecialName;
else
m_attributes &= ~EventAttributes.RTSpecialName;
}
}
#endregion
public new TypeDefinition DeclaringType {
get { return (TypeDefinition) base.DeclaringType; }
set { base.DeclaringType = value; }
}
public EventDefinition (string name, TypeReference eventType,
EventAttributes attrs) : base (name, eventType)
{
m_attributes = attrs;
}
public override EventDefinition Resolve ()
{
return this;
}
public static MethodDefinition CreateAddMethod (EventDefinition evt)
{
MethodDefinition add = new MethodDefinition (
string.Concat ("add_", evt.Name), (MethodAttributes) 0, evt.EventType);
evt.AddMethod = add;
return add;
}
public static MethodDefinition CreateRemoveMethod (EventDefinition evt)
{
MethodDefinition remove = new MethodDefinition (
string.Concat ("remove_", evt.Name), (MethodAttributes) 0, evt.EventType);
evt.RemoveMethod = remove;
return remove;
}
public static MethodDefinition CreateInvokeMethod (EventDefinition evt)
{
MethodDefinition raise = new MethodDefinition (
string.Concat ("raise_", evt.Name), (MethodAttributes) 0, evt.EventType);
evt.InvokeMethod = raise;
return raise;
}
public EventDefinition Clone ()
{
return Clone (this, new ImportContext (NullReferenceImporter.Instance, this.DeclaringType));
}
internal static EventDefinition Clone (EventDefinition evt, ImportContext context)
{
EventDefinition ne = new EventDefinition (
evt.Name,
context.Import (evt.EventType),
evt.Attributes);
if (context.GenericContext.Type is TypeDefinition) {
TypeDefinition type = context.GenericContext.Type as TypeDefinition;
if (evt.AddMethod != null)
ne.AddMethod = type.Methods.GetMethod (evt.AddMethod.Name) [0];
if (evt.InvokeMethod != null)
ne.InvokeMethod = type.Methods.GetMethod (evt.InvokeMethod.Name) [0];
if (evt.RemoveMethod != null)
ne.RemoveMethod = type.Methods.GetMethod (evt.RemoveMethod.Name) [0];
}
foreach (CustomAttribute ca in evt.CustomAttributes)
ne.CustomAttributes.Add (CustomAttribute.Clone (ca, context));
return ne;
}
public override void Accept (IReflectionVisitor visitor)
{
visitor.VisitEventDefinition (this);
this.CustomAttributes.Accept (visitor);
}
}
}
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