| | | 1 | | using System; |
| | | 2 | | using System.Collections.Generic; |
| | | 3 | | using System.Linq; |
| | | 4 | | |
| | | 5 | | namespace Jellyfin.Extensions; |
| | | 6 | | |
| | | 7 | | /// <summary> |
| | | 8 | | /// Static extensions for the <see cref="IEnumerable{T}"/> interface. |
| | | 9 | | /// </summary> |
| | | 10 | | public static class EnumerableExtensions |
| | | 11 | | { |
| | | 12 | | /// <summary> |
| | | 13 | | /// Determines whether the value is contained in the source collection. |
| | | 14 | | /// </summary> |
| | | 15 | | /// <param name="source">An instance of the <see cref="IEnumerable{String}"/> interface.</param> |
| | | 16 | | /// <param name="value">The value to look for in the collection.</param> |
| | | 17 | | /// <param name="stringComparison">The string comparison.</param> |
| | | 18 | | /// <returns>A value indicating whether the value is contained in the collection.</returns> |
| | | 19 | | /// <exception cref="ArgumentNullException">The source is null.</exception> |
| | | 20 | | public static bool Contains(this IEnumerable<string> source, ReadOnlySpan<char> value, StringComparison stringCompar |
| | | 21 | | { |
| | 11782 | 22 | | ArgumentNullException.ThrowIfNull(source); |
| | | 23 | | |
| | 11782 | 24 | | if (source is IList<string> list) |
| | | 25 | | { |
| | 11782 | 26 | | int len = list.Count; |
| | 601676 | 27 | | for (int i = 0; i < len; i++) |
| | | 28 | | { |
| | 298670 | 29 | | if (value.Equals(list[i], stringComparison)) |
| | | 30 | | { |
| | 9614 | 31 | | return true; |
| | | 32 | | } |
| | | 33 | | } |
| | | 34 | | |
| | 2168 | 35 | | return false; |
| | | 36 | | } |
| | | 37 | | |
| | 0 | 38 | | foreach (string element in source) |
| | | 39 | | { |
| | 0 | 40 | | if (value.Equals(element, stringComparison)) |
| | | 41 | | { |
| | 0 | 42 | | return true; |
| | | 43 | | } |
| | | 44 | | } |
| | | 45 | | |
| | 0 | 46 | | return false; |
| | 0 | 47 | | } |
| | | 48 | | |
| | | 49 | | /// <summary> |
| | | 50 | | /// Gets an IEnumerable from a single item. |
| | | 51 | | /// </summary> |
| | | 52 | | /// <param name="item">The item to return.</param> |
| | | 53 | | /// <typeparam name="T">The type of item.</typeparam> |
| | | 54 | | /// <returns>The IEnumerable{T}.</returns> |
| | | 55 | | public static IEnumerable<T> SingleItemAsEnumerable<T>(this T item) |
| | | 56 | | { |
| | | 57 | | yield return item; |
| | | 58 | | } |
| | | 59 | | |
| | | 60 | | /// <summary> |
| | | 61 | | /// Gets an IEnumerable consisting of all flags of an enum. |
| | | 62 | | /// </summary> |
| | | 63 | | /// <param name="flags">The flags enum.</param> |
| | | 64 | | /// <typeparam name="T">The type of item.</typeparam> |
| | | 65 | | /// <returns>The IEnumerable{Enum}.</returns> |
| | | 66 | | public static IEnumerable<T> GetUniqueFlags<T>(this T flags) |
| | | 67 | | where T : Enum |
| | | 68 | | { |
| | | 69 | | foreach (Enum value in Enum.GetValues(flags.GetType())) |
| | | 70 | | { |
| | | 71 | | if (flags.HasFlag(value)) |
| | | 72 | | { |
| | | 73 | | yield return (T)value; |
| | | 74 | | } |
| | | 75 | | } |
| | | 76 | | } |
| | | 77 | | } |