internal StringBuilder ToString(StringBuilder sb, LyricsFormat format)
{
var datasource = this.AsEnumerable();
if (format.Flag(LyricsFormat.LinesSortByContent))
datasource = datasource.OrderBy(l => l.Content);
if (format.Flag(LyricsFormat.LinesSortByTimestamp))
datasource = (datasource is IOrderedEnumerable<TLine> od)
? od.ThenBy(l => l.InternalTimestamp)
: datasource.OrderBy(l => l.InternalTimestamp);
if (format.Flag(LyricsFormat.MergeTimestamp))
{
foreach (var item in datasource.GroupBy(l => l.Content))
{
foreach (var line in item)
{
line.TimestampToString(sb);
}
sb.AppendLine(item.Key);
}
}
else
{
foreach (var item in datasource)
{
item.ToString(sb).AppendLine();
}
}
return sb;
}
public static bool Flag(this LyricsFormat value, LyricsFormat flag)
{
return((value & flag) == flag);
}
