jellyfin-server/Emby.Naming/Video/CleanDateTimeParser.cs
Bond_009 5a8e972952 Enable TreatWarningsAsErrors for some projects
Analyzers are only run in debug build, so setting TreatWarningsAsErrors
for release build will catch the compiler warnings until we resolve all
analyzer warnings.
2019-12-13 20:11:37 +01:00

90 lines
2.9 KiB
C#

#pragma warning disable CS1591
#pragma warning disable SA1600
using System;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
using Emby.Naming.Common;
namespace Emby.Naming.Video
{
/// <summary>
/// <see href="http://kodi.wiki/view/Advancedsettings.xml#video" />.
/// </summary>
public class CleanDateTimeParser
{
private readonly NamingOptions _options;
public CleanDateTimeParser(NamingOptions options)
{
_options = options;
}
public CleanDateTimeResult Clean(string name)
{
var originalName = name;
try
{
var extension = Path.GetExtension(name) ?? string.Empty;
// Check supported extensions
if (!_options.VideoFileExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase)
&& !_options.AudioFileExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase))
{
// Dummy up a file extension because the expressions will fail without one
// This is tricky because we can't just check Path.GetExtension for empty
// If the input is "St. Vincent (2014)", it will produce ". Vincent (2014)" as the extension
name += ".mkv";
}
}
catch (ArgumentException)
{
}
var result = _options.CleanDateTimeRegexes.Select(i => Clean(name, i))
.FirstOrDefault(i => i.HasChanged) ??
new CleanDateTimeResult { Name = originalName };
if (result.HasChanged)
{
return result;
}
// Make a second pass, running clean string first
var cleanStringResult = new CleanStringParser().Clean(name, _options.CleanStringRegexes);
if (!cleanStringResult.HasChanged)
{
return result;
}
return _options.CleanDateTimeRegexes.Select(i => Clean(cleanStringResult.Name, i))
.FirstOrDefault(i => i.HasChanged) ??
result;
}
private static CleanDateTimeResult Clean(string name, Regex expression)
{
var result = new CleanDateTimeResult();
var match = expression.Match(name);
if (match.Success
&& match.Groups.Count == 4
&& match.Groups[1].Success
&& match.Groups[2].Success
&& int.TryParse(match.Groups[2].Value, NumberStyles.Integer, CultureInfo.InvariantCulture, out var year))
{
name = match.Groups[1].Value;
result.Year = year;
result.HasChanged = true;
}
result.Name = name;
return result;
}
}
}