58 lines
1.6 KiB
C#
58 lines
1.6 KiB
C#
/*
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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.ComponentModel.Composition;
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using System.Diagnostics;
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namespace dnSpy.Roslyn.Intellisense.Completions {
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interface IMruCompletionService {
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void AddText(string text);
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int GetMruIndex(string text);
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}
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[Export(typeof(IMruCompletionService))]
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sealed class MruCompletionService : IMruCompletionService {
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const int MaxItems = 10;
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readonly List<string> items;
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MruCompletionService() => items = new List<string>(MaxItems);
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public void AddText(string text) {
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int index = items.IndexOf(text);
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if (index == 0)
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return;
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else if (index > 0)
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items.RemoveAt(index);
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else if (items.Count >= MaxItems)
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items.RemoveAt(items.Count - 1);
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Debug.Assert(items.Count < MaxItems);
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items.Insert(0, text);
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}
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public int GetMruIndex(string text) {
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for (int i = 0; i < items.Count; i++) {
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if (items[i] == text)
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return i;
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}
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return int.MaxValue;
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}
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}
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}
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