wasSharp – Blame information for rev 27
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18 | office | 1 | /////////////////////////////////////////////////////////////////////////// |
2 | // Copyright (C) Wizardry and Steamworks 2013 - License: GNU GPLv3 // |
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3 | // Please see: http://www.gnu.org/licenses/gpl.html for legal details, // |
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4 | // rights of fair usage, the disclaimer and warranty conditions. // |
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5 | /////////////////////////////////////////////////////////////////////////// |
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6 | |||
20 | office | 7 | using System; |
18 | office | 8 | using System.Collections.Generic; |
9 | using System.Linq; |
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20 | office | 10 | using wasSharp.Collections.Specialized; |
18 | office | 11 | |
12 | namespace wasSharp.Collections.Utilities |
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13 | { |
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14 | public static class CollectionExtensions |
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15 | { |
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16 | /// <summary> |
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17 | /// Compares two dictionaries for equality. |
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18 | /// </summary> |
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19 | /// <typeparam name="TKey">key type</typeparam> |
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20 | /// <typeparam name="TValue">value type</typeparam> |
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21 | /// <param name="dictionary">dictionary to compare</param> |
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22 | /// <param name="otherDictionary">dictionary to compare to</param> |
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23 | /// <returns>true if the dictionaries contain the same elements</returns> |
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24 | public static bool ContentEquals<TKey, TValue>(this IDictionary<TKey, TValue> dictionary, |
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25 | IDictionary<TKey, TValue> otherDictionary) |
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26 | { |
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27 | return |
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28 | (dictionary ?? new Dictionary<TKey, TValue>()).Count.Equals( |
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29 | (otherDictionary ?? new Dictionary<TKey, TValue>()).Count) && |
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30 | (otherDictionary ?? new Dictionary<TKey, TValue>()) |
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31 | .OrderBy(kvp => kvp.Key) |
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32 | .SequenceEqual((dictionary ?? new Dictionary<TKey, TValue>()) |
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33 | .OrderBy(kvp => kvp.Key)); |
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34 | } |
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35 | |||
24 | office | 36 | public static void UnionWith<TKey, TValue>(this IDictionary<TKey, TValue> target, |
37 | IDictionary<TKey, TValue> source) |
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38 | { |
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39 | var LockObject = new object(); |
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40 | source.AsParallel().ForAll(o => |
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41 | { |
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42 | bool hasElement; |
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43 | lock (LockObject) |
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44 | { |
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45 | hasElement = target.ContainsKey(o.Key); |
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46 | } |
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47 | switch (hasElement) |
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48 | { |
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49 | case true: |
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50 | lock (LockObject) |
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51 | { |
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52 | target[o.Key] = o.Value; |
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53 | } |
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54 | break; |
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27 | office | 55 | |
24 | office | 56 | default: |
57 | lock (LockObject) |
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58 | { |
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59 | target.Add(o.Key, o.Value); |
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60 | } |
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61 | break; |
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62 | } |
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63 | }); |
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64 | } |
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65 | |||
18 | office | 66 | public static void AddOrReplace<TKey, TValue>(this IDictionary<TKey, TValue> dictionary, TKey key, TValue value) |
67 | { |
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68 | switch (dictionary.ContainsKey(key)) |
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69 | { |
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70 | case true: |
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71 | dictionary[key] = value; |
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72 | break; |
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27 | office | 73 | |
18 | office | 74 | default: |
75 | dictionary.Add(key, value); |
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76 | break; |
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77 | } |
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78 | } |
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79 | |||
24 | office | 80 | public static void AddIfNotExists<TKey, TValue>(this IDictionary<TKey, TValue> dictionary, TKey key, |
81 | TValue value) |
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18 | office | 82 | { |
83 | switch (!dictionary.ContainsKey(key)) |
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84 | { |
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85 | case true: |
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86 | dictionary.Add(key, value); |
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87 | break; |
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88 | } |
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89 | } |
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20 | office | 90 | |
24 | office | 91 | public static MultiKeyDictionary<K1, K2, V> ToMultiKeyDictionary<S, K1, K2, V>(this IEnumerable<S> items, |
92 | Func<S, K1> key1, Func<S, K2> key2, Func<S, V> value) |
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20 | office | 93 | { |
94 | var dict = new MultiKeyDictionary<K1, K2, V>(); |
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24 | office | 95 | foreach (var i in items) |
20 | office | 96 | { |
97 | dict.Add(key1(i), key2(i), value(i)); |
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98 | } |
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99 | return dict; |
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100 | } |
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18 | office | 101 | } |
27 | office | 102 | } |