From ddb04dc12b8bdf33c2020cb1c539664463e61bc3 Mon Sep 17 00:00:00 2001 From: Bond_009 Date: Fri, 8 Jan 2021 23:57:27 +0100 Subject: [PATCH] Use new ReadAllLines extensions --- .../LiveTv/EmbyTV/EncodedRecorder.cs | 7 ++-- .../TunerHosts/HdHomerun/HdHomerunHost.cs | 14 ++++---- .../LiveTv/TunerHosts/M3uParser.cs | 34 +++++++------------ .../Localization/LocalizationManager.cs | 10 +++--- Jellyfin.Api/Helpers/HlsHelpers.cs | 5 +-- .../Extensions/StreamExtensions.cs | 20 +++++++++-- .../Studios/StudiosImageProvider.cs | 9 +++-- 7 files changed, 48 insertions(+), 51 deletions(-) diff --git a/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs b/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs index 44a8cdee49..9372b0f6c3 100644 --- a/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs +++ b/Emby.Server.Implementations/LiveTv/EmbyTV/EncodedRecorder.cs @@ -10,6 +10,7 @@ using System.Text.Json; using System.Threading; using System.Threading.Tasks; using MediaBrowser.Common.Configuration; +using MediaBrowser.Common.Extensions; using MediaBrowser.Common.Json; using MediaBrowser.Controller; using MediaBrowser.Controller.Configuration; @@ -307,13 +308,11 @@ namespace Emby.Server.Implementations.LiveTv.EmbyTV { using (var reader = new StreamReader(source)) { - while (!reader.EndOfStream) + await foreach (var line in reader.ReadAllLinesAsync().ConfigureAwait(false)) { - var line = await reader.ReadLineAsync().ConfigureAwait(false); - var bytes = Encoding.UTF8.GetBytes(Environment.NewLine + line); - await target.WriteAsync(bytes, 0, bytes.Length).ConfigureAwait(false); + await target.WriteAsync(bytes.AsMemory()).ConfigureAwait(false); await target.FlushAsync().ConfigureAwait(false); } } diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs index 4aa5832b18..324109bcfe 100644 --- a/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs +++ b/Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunHost.cs @@ -182,16 +182,16 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false); using var sr = new StreamReader(stream, System.Text.Encoding.UTF8); var tuners = new List(); - while (!sr.EndOfStream) + await foreach (var line in sr.ReadAllLinesAsync().ConfigureAwait(false)) { - string line = StripXML(sr.ReadLine()); - if (line.Contains("Channel", StringComparison.Ordinal)) + string stripedLine = StripXML(line); + if (stripedLine.Contains("Channel", StringComparison.Ordinal)) { LiveTvTunerStatus status; - var index = line.IndexOf("Channel", StringComparison.OrdinalIgnoreCase); - var name = line.Substring(0, index - 1); - var currentChannel = line.Substring(index + 7); - if (currentChannel != "none") + var index = stripedLine.IndexOf("Channel", StringComparison.OrdinalIgnoreCase); + var name = stripedLine.Substring(0, index - 1); + var currentChannel = stripedLine.Substring(index + 7); + if (string.Equals(currentChannel, "none", StringComparison.Ordinal)) { status = LiveTvTunerStatus.LiveTv; } diff --git a/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs b/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs index cc30a516d6..84d4161499 100644 --- a/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs +++ b/Emby.Server.Implementations/LiveTv/TunerHosts/M3uParser.cs @@ -35,16 +35,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts // Read the file and display it line by line. using (var reader = new StreamReader(await GetListingsStream(info, cancellationToken).ConfigureAwait(false))) { - return GetChannels(reader, channelIdPrefix, info.Id); - } - } - - public List ParseString(string text, string channelIdPrefix, string tunerHostId) - { - // Read the file and display it line by line. - using (var reader = new StringReader(text)) - { - return GetChannels(reader, channelIdPrefix, tunerHostId); + return await GetChannelsAsync(reader, channelIdPrefix, info.Id).ConfigureAwait(false); } } @@ -70,43 +61,42 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts private const string ExtInfPrefix = "#EXTINF:"; - private List GetChannels(TextReader reader, string channelIdPrefix, string tunerHostId) + private async Task> GetChannelsAsync(TextReader reader, string channelIdPrefix, string tunerHostId) { var channels = new List(); - string line; string extInf = string.Empty; - while ((line = reader.ReadLine()) != null) + await foreach (var line in reader.ReadAllLinesAsync().ConfigureAwait(false)) { - line = line.Trim(); - if (string.IsNullOrWhiteSpace(line)) + var trimmedLine = line.Trim(); + if (string.IsNullOrWhiteSpace(trimmedLine)) { continue; } - if (line.StartsWith("#EXTM3U", StringComparison.OrdinalIgnoreCase)) + if (trimmedLine.StartsWith("#EXTM3U", StringComparison.OrdinalIgnoreCase)) { continue; } - if (line.StartsWith(ExtInfPrefix, StringComparison.OrdinalIgnoreCase)) + if (trimmedLine.StartsWith(ExtInfPrefix, StringComparison.OrdinalIgnoreCase)) { - extInf = line.Substring(ExtInfPrefix.Length).Trim(); + extInf = trimmedLine.Substring(ExtInfPrefix.Length).Trim(); _logger.LogInformation("Found m3u channel: {0}", extInf); } - else if (!string.IsNullOrWhiteSpace(extInf) && !line.StartsWith('#')) + else if (!string.IsNullOrWhiteSpace(extInf) && !trimmedLine.StartsWith('#')) { - var channel = GetChannelnfo(extInf, tunerHostId, line); + var channel = GetChannelnfo(extInf, tunerHostId, trimmedLine); if (string.IsNullOrWhiteSpace(channel.Id)) { - channel.Id = channelIdPrefix + line.GetMD5().ToString("N", CultureInfo.InvariantCulture); + channel.Id = channelIdPrefix + trimmedLine.GetMD5().ToString("N", CultureInfo.InvariantCulture); } else { channel.Id = channelIdPrefix + channel.Id.GetMD5().ToString("N", CultureInfo.InvariantCulture); } - channel.Path = line; + channel.Path = trimmedLine; channels.Add(channel); extInf = string.Empty; } diff --git a/Emby.Server.Implementations/Localization/LocalizationManager.cs b/Emby.Server.Implementations/Localization/LocalizationManager.cs index 46858b4fb5..220e423bf5 100644 --- a/Emby.Server.Implementations/Localization/LocalizationManager.cs +++ b/Emby.Server.Implementations/Localization/LocalizationManager.cs @@ -7,6 +7,7 @@ using System.Linq; using System.Reflection; using System.Text.Json; using System.Threading.Tasks; +using MediaBrowser.Common.Extensions; using MediaBrowser.Common.Json; using MediaBrowser.Controller.Configuration; using MediaBrowser.Model.Entities; @@ -72,8 +73,7 @@ namespace Emby.Server.Implementations.Localization using (var str = _assembly.GetManifestResourceStream(resource)) using (var reader = new StreamReader(str)) { - string line; - while ((line = await reader.ReadLineAsync().ConfigureAwait(false)) != null) + await foreach (var line in reader.ReadAllLinesAsync().ConfigureAwait(false)) { if (string.IsNullOrWhiteSpace(line)) { @@ -118,10 +118,8 @@ namespace Emby.Server.Implementations.Localization using (var stream = _assembly.GetManifestResourceStream(ResourcePath)) using (var reader = new StreamReader(stream)) { - while (!reader.EndOfStream) + await foreach (var line in reader.ReadAllLinesAsync().ConfigureAwait(false)) { - var line = await reader.ReadLineAsync().ConfigureAwait(false); - if (string.IsNullOrWhiteSpace(line)) { continue; @@ -179,7 +177,7 @@ namespace Emby.Server.Implementations.Localization /// public IEnumerable GetCountries() { - StreamReader reader = new StreamReader(_assembly.GetManifestResourceStream("Emby.Server.Implementations.Localization.countries.json")); + using StreamReader reader = new StreamReader(_assembly.GetManifestResourceStream("Emby.Server.Implementations.Localization.countries.json")); return JsonSerializer.Deserialize>(reader.ReadToEnd(), _jsonOptions); } diff --git a/Jellyfin.Api/Helpers/HlsHelpers.cs b/Jellyfin.Api/Helpers/HlsHelpers.cs index 18e23fb5c8..d0666034e9 100644 --- a/Jellyfin.Api/Helpers/HlsHelpers.cs +++ b/Jellyfin.Api/Helpers/HlsHelpers.cs @@ -118,10 +118,7 @@ namespace Jellyfin.Api.Helpers /// The playlist text as a string. public static string GetLivePlaylistText(string path, StreamState state) { - using var stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite); - using var reader = new StreamReader(stream); - - var text = reader.ReadToEnd(); + var text = File.ReadAllText(path); var segmentFormat = EncodingHelper.GetSegmentFileExtension(state.Request.SegmentContainer).TrimStart('.'); if (string.Equals(segmentFormat, "mp4", StringComparison.OrdinalIgnoreCase)) diff --git a/MediaBrowser.Common/Extensions/StreamExtensions.cs b/MediaBrowser.Common/Extensions/StreamExtensions.cs index cd77be7b2b..d49bf1d469 100644 --- a/MediaBrowser.Common/Extensions/StreamExtensions.cs +++ b/MediaBrowser.Common/Extensions/StreamExtensions.cs @@ -35,11 +35,11 @@ namespace MediaBrowser.Common.Extensions } /// - /// Reads all lines in the . + /// Reads all lines in the . /// - /// The to read from. + /// The to read from. /// All lines in the stream. - public static IEnumerable ReadAllLines(this StreamReader reader) + public static IEnumerable ReadAllLines(this TextReader reader) { string? line; while ((line = reader.ReadLine()) != null) @@ -47,5 +47,19 @@ namespace MediaBrowser.Common.Extensions yield return line; } } + + /// + /// Reads all lines in the . + /// + /// The to read from. + /// All lines in the stream. + public static async IAsyncEnumerable ReadAllLinesAsync(this TextReader reader) + { + string? line; + while ((line = await reader.ReadLineAsync().ConfigureAwait(false)) != null) + { + yield return line; + } + } } } diff --git a/MediaBrowser.Providers/Studios/StudiosImageProvider.cs b/MediaBrowser.Providers/Studios/StudiosImageProvider.cs index 5fcf6d9aa1..5ec9a02cbd 100644 --- a/MediaBrowser.Providers/Studios/StudiosImageProvider.cs +++ b/MediaBrowser.Providers/Studios/StudiosImageProvider.cs @@ -8,6 +8,7 @@ using System.Linq; using System.Net.Http; using System.Threading; using System.Threading.Tasks; +using MediaBrowser.Common.Extensions; using MediaBrowser.Common.Net; using MediaBrowser.Controller.Configuration; using MediaBrowser.Controller.Entities; @@ -177,13 +178,11 @@ namespace MediaBrowser.Providers.Studios { var lines = new List(); - while (!reader.EndOfStream) + foreach (var line in reader.ReadAllLines()) { - var text = reader.ReadLine(); - - if (!string.IsNullOrWhiteSpace(text)) + if (!string.IsNullOrWhiteSpace(line)) { - lines.Add(text); + lines.Add(line); } }