118 lines
4.8 KiB
C#
118 lines
4.8 KiB
C#
using System.Collections.Generic;
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using System.Text.RegularExpressions;
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using System.IO;
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using System.Linq;
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namespace MediaBrowser.TV
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{
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public static class TVUtils
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{
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private static readonly Regex[] seasonPathExpressions = new Regex[] {
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new Regex(@".+\\[s|S]eason\s?(?<seasonnumber>\d{1,2})$"),
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new Regex(@".+\\[s|S]æson\s?(?<seasonnumber>\d{1,2})$"),
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new Regex(@".+\\[t|T]emporada\s?(?<seasonnumber>\d{1,2})$"),
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new Regex(@".+\\[s|S]aison\s?(?<seasonnumber>\d{1,2})$"),
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new Regex(@".+\\[s|S]taffel\s?(?<seasonnumber>\d{1,2})$"),
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new Regex(@".+\\[s|S](?<seasonnumber>\d{1,2})$"),
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new Regex(@".+\\[s|S]eason\s?(?<seasonnumber>\d{1,2})[^\\]*$")
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};
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/// <summary>
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/// Used to detect paths that represent episodes, need to make sure they don't also
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/// match movie titles like "2001 A Space..."
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/// Currently we limit the numbers here to 2 digits to try and avoid this
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/// </summary>
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/// <remarks>
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/// The order here is important, if the order is changed some of the later
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/// ones might incorrectly match things that higher ones would have caught.
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/// The most restrictive expressions should appear first
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/// </remarks>
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private static readonly Regex[] episodeExpressions = new Regex[] {
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new Regex(@".*\\[s|S]?(?<seasonnumber>\d{1,2})[x|X](?<epnumber>\d{1,3})[^\\]*$"), // 01x02 blah.avi S01x01 balh.avi
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new Regex(@".*\\[s|S](?<seasonnumber>\d{1,2})x?[e|E](?<epnumber>\d{1,3})[^\\]*$"), // S01E02 blah.avi, S01xE01 blah.avi
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new Regex(@".*\\(?<seriesname>[^\\]*)[s|S]?(?<seasonnumber>\d{1,2})[x|X](?<epnumber>\d{1,3})[^\\]*$"), // 01x02 blah.avi S01x01 balh.avi
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new Regex(@".*\\(?<seriesname>[^\\]*)[s|S](?<seasonnumber>\d{1,2})[x|X|\.]?[e|E](?<epnumber>\d{1,3})[^\\]*$") // S01E02 blah.avi, S01xE01 blah.avi
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};
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/// <summary>
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/// To avoid the following matching movies they are only valid when contained in a folder which has been matched as a being season
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/// </summary>
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private static readonly Regex[] episodeExpressionsInASeasonFolder = new Regex[] {
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new Regex(@".*\\(?<epnumber>\d{1,2})\s?-\s?[^\\]*$"), // 01 - blah.avi, 01-blah.avi
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new Regex(@".*\\(?<epnumber>\d{1,2})[^\d\\]*[^\\]*$"), // 01.avi, 01.blah.avi "01 - 22 blah.avi"
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new Regex(@".*\\(?<seasonnumber>\d)(?<epnumber>\d{1,2})[^\d\\]+[^\\]*$"), // 01.avi, 01.blah.avi
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new Regex(@".*\\\D*\d+(?<epnumber>\d{2})") // hell0 - 101 - hello.avi
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};
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public static bool IsSeasonFolder(string path)
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{
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path = path.ToLower();
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return seasonPathExpressions.Any(r => r.IsMatch(path));
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}
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public static bool IsSeriesFolder(string path, IEnumerable<KeyValuePair<string, FileAttributes>> fileSystemChildren)
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{
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foreach (var child in fileSystemChildren)
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{
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if (child.Value.HasFlag(FileAttributes.Directory))
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{
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if (IsSeasonFolder(child.Key))
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{
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return true;
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}
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}
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else
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{
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if (!string.IsNullOrEmpty(EpisodeNumberFromFile(child.Key, false)))
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{
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return true;
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}
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}
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}
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return false;
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}
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public static bool IsEpisode(string fullPath)
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{
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bool isInSeason = IsSeasonFolder(Path.GetDirectoryName(fullPath));
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if (isInSeason)
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{
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return true;
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}
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else if (EpisodeNumberFromFile(fullPath, isInSeason) != null)
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{
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return true;
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}
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return false;
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}
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public static string EpisodeNumberFromFile(string fullPath, bool isInSeason)
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{
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string fl = fullPath.ToLower();
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foreach (Regex r in episodeExpressions)
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{
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Match m = r.Match(fl);
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if (m.Success)
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return m.Groups["epnumber"].Value;
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}
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if (isInSeason)
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{
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foreach (Regex r in episodeExpressionsInASeasonFolder)
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{
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Match m = r.Match(fl);
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if (m.Success)
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return m.Groups["epnumber"].Value;
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}
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}
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return null;
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}
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}
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}
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