private async Task LoadAsync(PlaylistTokenizer tokenizer)
{
Clear();
// Read header
var token = await tokenizer.ReadAsync().ConfigureAwait(false);
if (token == null || token.Type != PlaylistTokenType.Header)
{
throw new PlaylistDocumentLoadException();
}
var context = new LoadContext();
while (!tokenizer.EndOfStream)
{
token = await tokenizer.ReadAsync().ConfigureAwait(false);
if (token == null)
{
break;
}
context.Token = token;
switch (token.Type)
{
case PlaylistTokenType.Comment:
continue;
case PlaylistTokenType.Header:
throw new PlaylistDocumentLoadException("Unexpected HEADER.");
case PlaylistTokenType.Tag:
ParseTagToken(context);
break;
case PlaylistTokenType.Uri:
ParseUriToken(context);
break;
default:
throw new NotImplementedException($"Playlist token type of '{token.Type}' is not implemented.");
}
}
}
/// <summary>
/// Loads the playlist from a stream.
/// </summary>
/// <exception cref="PlaylistDocumentLoadException" />
public Task LoadAsync(StreamReader reader)
{
using var tokenizer = new PlaylistTokenizer(reader);
return(LoadAsync(tokenizer));
}