diff options
Diffstat (limited to 'MediaBrowser.Common/Extensions')
11 files changed, 166 insertions, 21 deletions
diff --git a/MediaBrowser.Common/Extensions/BaseExtensions.cs b/MediaBrowser.Common/Extensions/BaseExtensions.cs index 40020093b..08964420e 100644 --- a/MediaBrowser.Common/Extensions/BaseExtensions.cs +++ b/MediaBrowser.Common/Extensions/BaseExtensions.cs @@ -1,5 +1,3 @@ -#nullable enable - using System; using System.Security.Cryptography; using System.Text; diff --git a/MediaBrowser.Common/Extensions/CopyToExtensions.cs b/MediaBrowser.Common/Extensions/CopyToExtensions.cs index 94bf7c740..2ecbc6539 100644 --- a/MediaBrowser.Common/Extensions/CopyToExtensions.cs +++ b/MediaBrowser.Common/Extensions/CopyToExtensions.cs @@ -1,5 +1,3 @@ -#nullable enable - using System.Collections.Generic; namespace MediaBrowser.Common.Extensions diff --git a/MediaBrowser.Common/Extensions/EnumerableExtensions.cs b/MediaBrowser.Common/Extensions/EnumerableExtensions.cs new file mode 100644 index 000000000..2b8a6c395 --- /dev/null +++ b/MediaBrowser.Common/Extensions/EnumerableExtensions.cs @@ -0,0 +1,51 @@ +using System; +using System.Collections.Generic; + +namespace MediaBrowser.Common.Extensions +{ + /// <summary> + /// Static extensions for the <see cref="IEnumerable{T}"/> interface. + /// </summary> + public static class EnumerableExtensions + { + /// <summary> + /// Determines whether the value is contained in the source collection. + /// </summary> + /// <param name="source">An instance of the <see cref="IEnumerable{String}"/> interface.</param> + /// <param name="value">The value to look for in the collection.</param> + /// <param name="stringComparison">The string comparison.</param> + /// <returns>A value indicating whether the value is contained in the collection.</returns> + /// <exception cref="ArgumentNullException">The source is null.</exception> + public static bool Contains(this IEnumerable<string> source, ReadOnlySpan<char> value, StringComparison stringComparison) + { + if (source == null) + { + throw new ArgumentNullException(nameof(source)); + } + + if (source is IList<string> list) + { + int len = list.Count; + for (int i = 0; i < len; i++) + { + if (value.Equals(list[i], stringComparison)) + { + return true; + } + } + + return false; + } + + foreach (string element in source) + { + if (value.Equals(element, stringComparison)) + { + return true; + } + } + + return false; + } + } +} diff --git a/MediaBrowser.Common/Extensions/HttpContextExtensions.cs b/MediaBrowser.Common/Extensions/HttpContextExtensions.cs index 19fa95480..1e5877c84 100644 --- a/MediaBrowser.Common/Extensions/HttpContextExtensions.cs +++ b/MediaBrowser.Common/Extensions/HttpContextExtensions.cs @@ -17,7 +17,7 @@ namespace MediaBrowser.Common.Extensions { return (context.Connection.LocalIpAddress == null && context.Connection.RemoteIpAddress == null) - || context.Connection.LocalIpAddress.Equals(context.Connection.RemoteIpAddress); + || Equals(context.Connection.LocalIpAddress, context.Connection.RemoteIpAddress); } /// <summary> @@ -25,7 +25,7 @@ namespace MediaBrowser.Common.Extensions /// </summary> /// <param name="context">The HTTP context.</param> /// <returns>The remote caller IP address.</returns> - public static string GetNormalizedRemoteIp(this HttpContext context) + public static IPAddress GetNormalizedRemoteIp(this HttpContext context) { // Default to the loopback address if no RemoteIpAddress is specified (i.e. during integration tests) var ip = context.Connection.RemoteIpAddress ?? IPAddress.Loopback; @@ -35,7 +35,7 @@ namespace MediaBrowser.Common.Extensions ip = ip.MapToIPv4(); } - return ip.ToString(); + return ip; } } } diff --git a/MediaBrowser.Common/Extensions/MethodNotAllowedException.cs b/MediaBrowser.Common/Extensions/MethodNotAllowedException.cs index 258bd6662..48e758ee4 100644 --- a/MediaBrowser.Common/Extensions/MethodNotAllowedException.cs +++ b/MediaBrowser.Common/Extensions/MethodNotAllowedException.cs @@ -1,5 +1,3 @@ -#nullable enable - using System; namespace MediaBrowser.Common.Extensions diff --git a/MediaBrowser.Common/Extensions/ProcessExtensions.cs b/MediaBrowser.Common/Extensions/ProcessExtensions.cs index 2f52ba196..c74787122 100644 --- a/MediaBrowser.Common/Extensions/ProcessExtensions.cs +++ b/MediaBrowser.Common/Extensions/ProcessExtensions.cs @@ -1,5 +1,3 @@ -#nullable enable - using System; using System.Diagnostics; using System.Threading; diff --git a/MediaBrowser.Common/Extensions/RateLimitExceededException.cs b/MediaBrowser.Common/Extensions/RateLimitExceededException.cs index 7c7bdaa92..95802a462 100644 --- a/MediaBrowser.Common/Extensions/RateLimitExceededException.cs +++ b/MediaBrowser.Common/Extensions/RateLimitExceededException.cs @@ -1,4 +1,3 @@ -#nullable enable #pragma warning disable CS1591 using System; diff --git a/MediaBrowser.Common/Extensions/ResourceNotFoundException.cs b/MediaBrowser.Common/Extensions/ResourceNotFoundException.cs index ebac9d8e6..22130c5a1 100644 --- a/MediaBrowser.Common/Extensions/ResourceNotFoundException.cs +++ b/MediaBrowser.Common/Extensions/ResourceNotFoundException.cs @@ -1,5 +1,3 @@ -#nullable enable - using System; namespace MediaBrowser.Common.Extensions diff --git a/MediaBrowser.Common/Extensions/ShuffleExtensions.cs b/MediaBrowser.Common/Extensions/ShuffleExtensions.cs index 6f0ea9bd5..2604abf85 100644 --- a/MediaBrowser.Common/Extensions/ShuffleExtensions.cs +++ b/MediaBrowser.Common/Extensions/ShuffleExtensions.cs @@ -1,5 +1,3 @@ -#nullable enable - using System; using System.Collections.Generic; diff --git a/MediaBrowser.Common/Extensions/SplitStringExtensions.cs b/MediaBrowser.Common/Extensions/SplitStringExtensions.cs new file mode 100644 index 000000000..9c9108495 --- /dev/null +++ b/MediaBrowser.Common/Extensions/SplitStringExtensions.cs @@ -0,0 +1,95 @@ +/* +MIT License + +Copyright (c) 2019 Gérald Barré + +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. + */ + +#pragma warning disable CS1591 +#pragma warning disable CA1034 +using System; +using System.Diagnostics.Contracts; +using System.Runtime.InteropServices; + +namespace MediaBrowser.Common.Extensions +{ + /// <summary> + /// Extension class for splitting lines without unnecessary allocations. + /// </summary> + public static class SplitStringExtensions + { + /// <summary> + /// Creates a new string split enumerator. + /// </summary> + /// <param name="str">The string to split.</param> + /// <param name="separator">The separator to split on.</param> + /// <returns>The enumerator struct.</returns> + [Pure] + public static SplitEnumerator SpanSplit(this string str, char separator) => new (str.AsSpan(), separator); + + /// <summary> + /// Creates a new span split enumerator. + /// </summary> + /// <param name="str">The span to split.</param> + /// <param name="separator">The separator to split on.</param> + /// <returns>The enumerator struct.</returns> + [Pure] + public static SplitEnumerator Split(this ReadOnlySpan<char> str, char separator) => new (str, separator); + + [StructLayout(LayoutKind.Auto)] + public ref struct SplitEnumerator + { + private readonly char _separator; + private ReadOnlySpan<char> _str; + + public SplitEnumerator(ReadOnlySpan<char> str, char separator) + { + _str = str; + _separator = separator; + Current = default; + } + + public ReadOnlySpan<char> Current { get; private set; } + + public readonly SplitEnumerator GetEnumerator() => this; + + public bool MoveNext() + { + if (_str.Length == 0) + { + return false; + } + + var span = _str; + var index = span.IndexOf(_separator); + if (index == -1) + { + _str = ReadOnlySpan<char>.Empty; + Current = span; + return true; + } + + Current = span.Slice(0, index); + _str = span[(index + 1)..]; + return true; + } + } + } +} diff --git a/MediaBrowser.Common/Extensions/StreamExtensions.cs b/MediaBrowser.Common/Extensions/StreamExtensions.cs index cd77be7b2..5cbf57d98 100644 --- a/MediaBrowser.Common/Extensions/StreamExtensions.cs +++ b/MediaBrowser.Common/Extensions/StreamExtensions.cs @@ -1,5 +1,3 @@ -#nullable enable - using System.Collections.Generic; using System.IO; using System.Linq; @@ -35,11 +33,11 @@ namespace MediaBrowser.Common.Extensions } /// <summary> - /// Reads all lines in the <see cref="StreamReader" />. + /// Reads all lines in the <see cref="TextReader" />. /// </summary> - /// <param name="reader">The <see cref="StreamReader" /> to read from.</param> + /// <param name="reader">The <see cref="TextReader" /> to read from.</param> /// <returns>All lines in the stream.</returns> - public static IEnumerable<string> ReadAllLines(this StreamReader reader) + public static IEnumerable<string> ReadAllLines(this TextReader reader) { string? line; while ((line = reader.ReadLine()) != null) @@ -47,5 +45,19 @@ namespace MediaBrowser.Common.Extensions yield return line; } } + + /// <summary> + /// Reads all lines in the <see cref="TextReader" />. + /// </summary> + /// <param name="reader">The <see cref="TextReader" /> to read from.</param> + /// <returns>All lines in the stream.</returns> + public static async IAsyncEnumerable<string> ReadAllLinesAsync(this TextReader reader) + { + string? line; + while ((line = await reader.ReadLineAsync().ConfigureAwait(false)) != null) + { + yield return line; + } + } } } |