/// <summary>
/// Parses the M3U playlist.
/// </summary>
/// <param name="textReader">TextReader representing the M3U playlist.</param>
/// <returns>Parsed M3U playlist.</returns>
private IPlaylist Parse(TextReader textReader)
{
if (textReader == null)
{
throw new ArgumentNullException("textReader");
}
string line = textReader.ReadLine();
if (line == null)
{
throw new ArgumentException("Invalid M3U playlist.");
}
M3uPlaylist playlist = new M3uPlaylist();
ICollection<IPlaylistItem> items = playlist.Items;
bool isExtended = line.Equals(M3uParser.M3uExtendedHeader);
if (isExtended)
{
while ((line = textReader.ReadLine()) != null)
{
string extendedDetail = line;
string detail = textReader.ReadLine();
if ((extendedDetail == null) || (detail == null))
{
throw new Exception("File is malformed");
}
Match match = M3uParser.extendedDetailRegex.Match(extendedDetail);
if (!match.Success)
{
throw new Exception("Invalid m3u extended detail line");
}
items.Add(new M3uPlaylistItem()
{
DisplayName = match.Groups["file"].Value,
Path = detail,
Length = new TimeSpan(0, 0, int.Parse(match.Groups["seconds"].Value))
});
}
}
else
{
if (!string.IsNullOrEmpty(line))
{
items.Add(new M3uPlaylistItem()
{
DisplayName = line,
Path = line,
Length = new TimeSpan(0, 0, -1)
});
}
while ((line = textReader.ReadLine()) != null)
{
if (string.IsNullOrEmpty(line))
{
continue;
}
items.Add(new M3uPlaylistItem()
{
DisplayName = line,
Path = line,
Length = new TimeSpan(0, 0, -1)
});
}
}
return playlist;
}
/// <summary>
/// Parses the M3U playlist.
/// </summary>
/// <param name="textReader">TextReader representing the M3U playlist.</param>
/// <returns>Parsed M3U playlist.</returns>
private IPlaylist Parse(TextReader textReader)
{
if (textReader == null)
{
throw new ArgumentNullException("textReader");
}
string line = textReader.ReadLine();
if (line == null)
{
throw new ArgumentException("Invalid M3U playlist.");
}
M3uPlaylist playlist = new M3uPlaylist();
ICollection <IPlaylistItem> items = playlist.Items;
bool isExtended = line.Equals(M3uParser.M3uExtendedHeader);
if (isExtended)
{
while ((line = textReader.ReadLine()) != null)
{
string extendedDetail = line;
string detail = textReader.ReadLine();
if ((extendedDetail == null) || (detail == null))
{
throw new Exception("File is malformed");
}
Match match = M3uParser.extendedDetailRegex.Match(extendedDetail);
if (!match.Success)
{
throw new Exception("Invalid m3u extended detail line");
}
items.Add(new M3uPlaylistItem()
{
DisplayName = match.Groups["file"].Value,
Path = detail,
Length = new TimeSpan(0, 0, int.Parse(match.Groups["seconds"].Value))
});
}
}
else
{
if (!string.IsNullOrEmpty(line))
{
items.Add(new M3uPlaylistItem()
{
DisplayName = line,
Path = line,
Length = new TimeSpan(0, 0, -1)
});
}
while ((line = textReader.ReadLine()) != null)
{
if (string.IsNullOrEmpty(line))
{
continue;
}
items.Add(new M3uPlaylistItem()
{
DisplayName = line,
Path = line,
Length = new TimeSpan(0, 0, -1)
});
}
}
return(playlist);
}