jellyfin/Emby.Naming/Video/StubResolver.cs
Bond_009 b176beb88e Reduce string allocations
Some simple changes to reduce the number of allocated strings
2023-10-06 01:04:25 +02:00

51 lines
1.5 KiB
C#

using System;
using System.IO;
using Emby.Naming.Common;
using Jellyfin.Extensions;
namespace Emby.Naming.Video
{
/// <summary>
/// Resolve if file is stub (.disc).
/// </summary>
public static class StubResolver
{
/// <summary>
/// Tries to resolve if file is stub (.disc).
/// </summary>
/// <param name="path">Path to file.</param>
/// <param name="options">NamingOptions containing StubFileExtensions and StubTypes.</param>
/// <param name="stubType">Stub type.</param>
/// <returns>True if file is a stub.</returns>
public static bool TryResolveFile(string path, NamingOptions options, out string? stubType)
{
stubType = default;
if (string.IsNullOrEmpty(path))
{
return false;
}
var extension = Path.GetExtension(path.AsSpan());
if (!options.StubFileExtensions.Contains(extension, StringComparison.OrdinalIgnoreCase))
{
return false;
}
var token = Path.GetExtension(Path.GetFileNameWithoutExtension(path.AsSpan())).TrimStart('.');
foreach (var rule in options.StubTypes)
{
if (token.Equals(rule.Token, StringComparison.OrdinalIgnoreCase))
{
stubType = rule.StubType;
return true;
}
}
return true;
}
}
}