1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
//
// MruCache.cs
//
// Author:
// Mike Krüger <mkrueger@xamarin.com>
//
// Copyright (c) 2015 Xamarin Inc. (http://xamarin.com)
//
// 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 System;
using System.Collections.Generic;
namespace MonoDevelop.Ide.CodeCompletion
{
class MruCache
{
const int MaxItems = 42;
readonly List<string> lastItems = new List<string> (MaxItems);
readonly object mruLock = new object ();
public void CommitCompletionData (CompletionData item)
{
lock (mruLock) {
var removed = lastItems.Remove (item.DisplayText);
if (!removed && lastItems.Count == MaxItems)
lastItems.RemoveAt (0);
lastItems.Add (item.DisplayText);
}
}
/// <summary>
/// Lower is better. 1 == not in list.
/// </summary>
public int GetIndex (CompletionData item)
{
lock (mruLock) {
var index = lastItems.IndexOf (item.DisplayText);
return -index;
}
}
public void Clear ()
{
lock (mruLock) {
lastItems.Clear ();
}
}
}
}
|
