using System; using System.Text.RegularExpressions; using MediaBrowser.Model.Extensions; namespace MediaBrowser.Model.Dlna { public class SearchCriteria { public SearchType SearchType { get; set; } /// /// Splits the specified string. /// /// The string. /// The term. /// The limit. /// System.String[]. private static string[] RegexSplit(string str, string term, int limit) { return new Regex(term).Split(str, limit); } /// /// Splits the specified string. /// /// The string. /// The term. /// System.String[]. private static string[] RegexSplit(string str, string term) { return Regex.Split(str, term, RegexOptions.IgnoreCase); } public SearchCriteria(string search) { if (string.IsNullOrEmpty(search)) { throw new ArgumentNullException(nameof(search)); } SearchType = SearchType.Unknown; string[] factors = RegexSplit(search, "(and|or)"); foreach (string factor in factors) { string[] subFactors = RegexSplit(factor.Trim().Trim('(').Trim(')').Trim(), "\\s", 3); if (subFactors.Length == 3) { if (string.Equals("upnp:class", subFactors[0], StringComparison.OrdinalIgnoreCase) && (string.Equals("=", subFactors[1]) || string.Equals("derivedfrom", subFactors[1], StringComparison.OrdinalIgnoreCase))) { if (string.Equals("\"object.item.imageItem\"", subFactors[2]) || string.Equals("\"object.item.imageItem.photo\"", subFactors[2], StringComparison.OrdinalIgnoreCase)) { SearchType = SearchType.Image; } else if (string.Equals("\"object.item.videoItem\"", subFactors[2], StringComparison.OrdinalIgnoreCase)) { SearchType = SearchType.Video; } else if (string.Equals("\"object.container.playlistContainer\"", subFactors[2], StringComparison.OrdinalIgnoreCase)) { SearchType = SearchType.Playlist; } else if (string.Equals("\"object.container.album.musicAlbum\"", subFactors[2], StringComparison.OrdinalIgnoreCase)) { SearchType = SearchType.MusicAlbum; } } } } } } }