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AttributesToAvoidReplicating.cs
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AttributesToAvoidReplicating.cs
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// Copyright 2004-2016 Castle Project - http://www.castleproject.org/
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
namespace Castle.DynamicProxy.Generators
{
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
public static class AttributesToAvoidReplicating
{
private static readonly object lockObject = new object();
private static IList<Type> attributes;
static AttributesToAvoidReplicating()
{
attributes = new List<Type>()
{
typeof(System.Runtime.InteropServices.ComImportAttribute),
typeof(System.Runtime.InteropServices.MarshalAsAttribute),
typeof(System.Runtime.InteropServices.TypeIdentifierAttribute),
typeof(System.Security.Permissions.SecurityAttribute),
};
}
public static void Add(Type attribute)
{
// note: this class is made thread-safe by replacing the backing list rather than adding to it
lock (lockObject)
{
attributes = new List<Type>(attributes) { attribute };
}
}
public static void Add<T>()
{
Add(typeof(T));
}
public static bool Contains(Type attribute)
{
return attributes.Contains(attribute);
}
internal static bool ShouldAvoid(Type attribute)
{
return attributes.Any(attr => attr.IsAssignableFrom(attribute));
}
}
}