wasSharp – Blame information for rev 20
?pathlinks?
Rev | Author | Line No. | Line |
---|---|---|---|
18 | office | 1 | /////////////////////////////////////////////////////////////////////////// |
2 | // Copyright (C) Wizardry and Steamworks 2013 - License: GNU GPLv3 // |
||
3 | // Please see: http://www.gnu.org/licenses/gpl.html for legal details, // |
||
4 | // rights of fair usage, the disclaimer and warranty conditions. // |
||
5 | /////////////////////////////////////////////////////////////////////////// |
||
6 | |||
20 | office | 7 | using System; |
18 | office | 8 | using System.Collections.Generic; |
9 | using System.Linq; |
||
20 | office | 10 | using wasSharp.Collections.Specialized; |
18 | office | 11 | |
12 | namespace wasSharp.Collections.Utilities |
||
13 | { |
||
14 | public static class CollectionExtensions |
||
15 | { |
||
16 | /// <summary> |
||
17 | /// Compares two dictionaries for equality. |
||
18 | /// </summary> |
||
19 | /// <typeparam name="TKey">key type</typeparam> |
||
20 | /// <typeparam name="TValue">value type</typeparam> |
||
21 | /// <param name="dictionary">dictionary to compare</param> |
||
22 | /// <param name="otherDictionary">dictionary to compare to</param> |
||
23 | /// <returns>true if the dictionaries contain the same elements</returns> |
||
24 | public static bool ContentEquals<TKey, TValue>(this IDictionary<TKey, TValue> dictionary, |
||
25 | IDictionary<TKey, TValue> otherDictionary) |
||
26 | { |
||
27 | return |
||
28 | (dictionary ?? new Dictionary<TKey, TValue>()).Count.Equals( |
||
29 | (otherDictionary ?? new Dictionary<TKey, TValue>()).Count) && |
||
30 | (otherDictionary ?? new Dictionary<TKey, TValue>()) |
||
31 | .OrderBy(kvp => kvp.Key) |
||
32 | .SequenceEqual((dictionary ?? new Dictionary<TKey, TValue>()) |
||
33 | .OrderBy(kvp => kvp.Key)); |
||
34 | } |
||
35 | |||
36 | public static void AddOrReplace<TKey, TValue>(this IDictionary<TKey, TValue> dictionary, TKey key, TValue value) |
||
37 | { |
||
38 | switch (dictionary.ContainsKey(key)) |
||
39 | { |
||
40 | case true: |
||
41 | dictionary[key] = value; |
||
42 | break; |
||
43 | default: |
||
44 | dictionary.Add(key, value); |
||
45 | break; |
||
46 | } |
||
47 | } |
||
48 | |||
49 | public static void AddIfNotExists<TKey, TValue>(this IDictionary<TKey, TValue> dictionary, TKey key, TValue value) |
||
50 | { |
||
51 | switch (!dictionary.ContainsKey(key)) |
||
52 | { |
||
53 | case true: |
||
54 | dictionary.Add(key, value); |
||
55 | break; |
||
56 | } |
||
57 | } |
||
20 | office | 58 | |
59 | public static MultiKeyDictionary<K1, K2, V> ToMultiKeyDictionary<S, K1, K2, V>(this IEnumerable<S> items, Func<S, K1> key1, Func<S, K2> key2, Func<S, V> value) |
||
60 | { |
||
61 | var dict = new MultiKeyDictionary<K1, K2, V>(); |
||
62 | foreach (S i in items) |
||
63 | { |
||
64 | dict.Add(key1(i), key2(i), value(i)); |
||
65 | } |
||
66 | return dict; |
||
67 | } |
||
18 | office | 68 | } |
69 | } |