43 lines
1.3 KiB
C#
43 lines
1.3 KiB
C#
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/*
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Copyright (C) 2014-2019 de4dot@gmail.com
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This file is part of dnSpy
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dnSpy is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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dnSpy is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System.Collections.Generic;
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using System.Linq;
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namespace dnSpy.Contracts.Documents {
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sealed class AnnotationsImpl : IAnnotations {
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public T? AddAnnotation<T>(T? annotation) where T : class {
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if (annotation is not null)
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list.Add(annotation);
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return annotation;
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}
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public T? Annotation<T>() where T : class => (T?)list.FirstOrDefault(a => a is T);
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public IEnumerable<T> Annotations<T>() where T : class => list.OfType<T>();
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public void RemoveAnnotations<T>() where T : class {
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for (int i = list.Count - 1; i >= 0; i--) {
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if (list[i] is T)
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list.RemoveAt(i);
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}
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}
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readonly List<object> list = new List<object>();
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}
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}
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