public static IEnumerable<TrackQuery> BuildQuerySet(string queryString)
{
var matches = TrackQuery.FullQueryRegex.Matches(queryString);
foreach(var match in matches.Cast<Match>())
{
TrackQueryCombinator combinator = TrackQueryCombinator.NONE;
if (match.Value.StartsWith("&&")) combinator = TrackQueryCombinator.AND;
if (match.Value.StartsWith("||")) combinator = TrackQueryCombinator.OR;
string command = TrackQuery.QueryCommandRegex.Match(match.Value)?.Groups[1]?.Value;
if (command == null) yield break;
string parameter = TrackQuery.QueryParamRegex.Match(match.Value)?.Groups[1]?.Value ?? "";
yield return new TrackQuery(combinator, command, parameter);
}
}
public TrackQuery(TrackQueryCombinator combinator, string command, string parameter)
{
this.Combinator = combinator;
this.Predicate = command;
this.Parameter = parameter;
}
