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using System;
using System.IO;
using Jellyfin.Extensions;
using MediaBrowser.Controller.Lyrics;
using MediaBrowser.Controller.Resolvers;
using MediaBrowser.Model.Lyrics;
namespace MediaBrowser.Providers.Lyric;
/// <summary>
/// TXT Lyric Parser.
/// </summary>
public class TxtLyricParser : ILyricParser
{
private static readonly string[] _supportedMediaTypes = [".lrc", ".elrc", ".txt"];
private static readonly string[] _lineBreakCharacters = ["\r\n", "\r", "\n"];
/// <inheritdoc />
public string Name => "TxtLyricProvider";
/// <summary>
/// Gets the priority.
/// </summary>
/// <value>The priority.</value>
public ResolverPriority Priority => ResolverPriority.Fifth;
/// <inheritdoc />
public LyricDto? ParseLyrics(LyricFile lyrics)
{
if (!_supportedMediaTypes.Contains(Path.GetExtension(lyrics.Name.AsSpan()), StringComparison.OrdinalIgnoreCase))
{
return null;
}
string[] lyricTextLines = lyrics.Content.Split(_lineBreakCharacters, StringSplitOptions.None);
LyricLine[] lyricList = new LyricLine[lyricTextLines.Length];
for (int lyricLineIndex = 0; lyricLineIndex < lyricTextLines.Length; lyricLineIndex++)
{
lyricList[lyricLineIndex] = new LyricLine(lyricTextLines[lyricLineIndex].Trim());
}
return new LyricDto { Lyrics = lyricList };
}
}
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