public static async Task <List <string> > FetchLyrics(Mediafile file)
{
ILyricAPI[] Sources = new ILyricAPI[] { new NeteaseClient(), new XiamiClient(), new BaiduClient() };
try
{
var mediaFile = new Mediafile();
mediaFile.Title = TagParser.ParseTitle(file.Title);
mediaFile.LeadArtist = TagParser.ParseArtists(TagParser.ParseTitle(file.LeadArtist))[0];
List <string> Lyrics = new List <string>();
for (int i = 0; i < Sources.Length; i++)
{
var lyrics = await Sources[i].FetchLyrics(mediaFile).ConfigureAwait(false);
if (LrcParser.IsLrc(lyrics))
{
Lyrics.Add(lyrics);
break;
}
}
return(Lyrics);
}
catch
{
return(null);
}
}
protected override void ParseStreamInto(LineBufferedReader stream, Beatmap output)
{
// Clear all hitobjects
output.HitObjects.Clear();
var lyricText = stream.ReadToEnd();
var result = new LrcParser().Decode(lyricText);
// Convert line
for (int i = 0; i < result.Lines.Length; i++)
{
// Empty line should not be imported
var line = result.Lines[i];
if (string.IsNullOrEmpty(line.Text))
{
continue;
}
try
{
// todo : check list ls sorted by time.
var lrcTimeTag = line.TimeTags;
var timeTags = line.TimeTags.Where(x => x.Check).ToDictionary(k =>
{
var index = (int)Math.Ceiling((double)(Array.IndexOf(lrcTimeTag, k) - 1) / 2);
var state = (Array.IndexOf(lrcTimeTag, k) - 1) % 2 == 0 ? TextIndex.IndexState.Start : TextIndex.IndexState.End;
return(new TextIndex(index, state));
}, v => (double)v.Time);
var startTime = timeTags.FirstOrDefault(x => x.Value > 0).Value;
var duration = timeTags.LastOrDefault(x => x.Value > 0).Value - startTime;
var lyric = new Lyric
{
Order = output.HitObjects.Count + 1, // should create default order.
Text = line.Text,
// Start time and end time should be re-assigned
StartTime = startTime,
Duration = duration,
TimeTags = TimeTagsUtils.ToTimeTagList(timeTags),
RubyTags = result.QueryRubies(line.Text).Select(ruby => new RubyTag
{
Text = ruby.Ruby.Ruby,
StartIndex = ruby.StartIndex,
EndIndex = ruby.EndIndex
}).ToArray()
};
lyric.InitialWorkingTime();
output.HitObjects.Add(lyric);
}
catch (Exception ex)
{
var message = $"Parsing lyric '{line.Text}' got error in line:{i}" +
"Please check time tag should be ordered and not duplicated." +
"Then re-import again.";
throw new FormatException(message, ex);
}
}
}
public static async Task <string> FetchLyrics(Mediafile file, string lyricSource)
{
var mediaFile = new Mediafile();
mediaFile.Title = TagParser.ParseTitle(file.Title.ToString());
if (mediaFile.Title == null)
{
return(null);
}
var cleanedArtist = TagParser.ParseTitle(file.LeadArtist.ToString());
List <string> parsedArtists = TagParser.ParseArtists(cleanedArtist);
if (string.IsNullOrEmpty(cleanedArtist))
{
cleanedArtist = file.Title;
parsedArtists = TagParser.ParseArtists(cleanedArtist);
parsedArtists.RemoveAt(0);
}
mediaFile.LeadArtist = !parsedArtists.Any() ? file.LeadArtist : TagParser.ParseTitle(parsedArtists[0]);
if (mediaFile.LeadArtist == null || mediaFile.LeadArtist.Equals("Unknown Artist", System.StringComparison.CurrentCultureIgnoreCase))
{
return(null);
}
string Lyrics = "";
switch (lyricSource)
{
case "Auto":
for (int i = 0; i < Sources.Length; i++)
{
var lrc = await Sources[i].FetchLyrics(mediaFile).ConfigureAwait(false);
if (LrcParser.IsLrc(lrc))
{
Lyrics = lrc;
break;
}
}
break;
case "Musixmatch":
Lyrics = await Sources[0].FetchLyrics(mediaFile).ConfigureAwait(false);
break;
case "Netease":
Lyrics = await Sources[1].FetchLyrics(mediaFile).ConfigureAwait(false);
break;
case "Baidu":
Lyrics = await Sources[3].FetchLyrics(mediaFile).ConfigureAwait(false);
break;
case "Xiami":
Lyrics = await Sources[2].FetchLyrics(mediaFile).ConfigureAwait(false);
break;
}
return(Lyrics);
}
public string Encode(Beatmap output)
{
var lyric = new Lyric
{
Lines = output.HitObjects.OfType <Objects.LyricLine>().Select(encodeLyric).ToArray(),
};
var encodeResult = new LrcParser().Encode(lyric);
return(encodeResult);
}
public static async Task <string> FetchLyrics(Mediafile file, string lyricSource)
{
try
{
var mediaFile = new Mediafile();
mediaFile.Title = TagParser.ParseTitle(file.Title.ToString());
var cleanedArtist = TagParser.ParseTitle(file.LeadArtist.ToString());
List <string> parsedArtists = TagParser.ParseArtists(cleanedArtist);
if (string.IsNullOrEmpty(cleanedArtist))
{
cleanedArtist = file.Title;
parsedArtists = TagParser.ParseArtists(cleanedArtist);
parsedArtists.RemoveAt(0);
}
mediaFile.LeadArtist = !parsedArtists.Any() ? file.LeadArtist : TagParser.ParseTitle(parsedArtists[0]);
string Lyrics = "";
switch (lyricSource)
{
case "Auto":
for (int i = 0; i < Sources.Length; i++)
{
var lrc = await Sources[i].FetchLyrics(mediaFile).ConfigureAwait(false);
if (LrcParser.IsLrc(lrc))
{
Lyrics = lrc;
break;
}
}
break;
case "Netease":
Lyrics = await Sources[0].FetchLyrics(mediaFile).ConfigureAwait(false);
break;
case "Baidu":
Lyrics = await Sources[2].FetchLyrics(mediaFile).ConfigureAwait(false);
break;
case "Xiami":
Lyrics = await Sources[1].FetchLyrics(mediaFile).ConfigureAwait(false);
break;
}
return(Lyrics);
}
catch
{
return(null);
}
}
public void TestDecodeEncodedBeatmap(string fileName)
{
using (var stream = TestResources.OpenLrcResource(fileName))
using (var sr = new StreamReader(stream))
{
var text = sr.ReadToEnd();
// Parser song
var parser = new LrcParser();
var song = parser.Decode(text);
// Encode to lyric
var newLyricText = parser.Encode(song);
// Encode and decode result should be same
IsLyricEqual(newLyricText, text);
}
}
protected static Lyric GenerateLyric(string lyric)
{
var parser = new LrcParser();
return(parser.Decode(lyric));
}