public EpisodePathParserResult Parse(string path, bool IsDirectory, bool fillExtendedInfo = true)
{
// Added to be able to use regex patterns which require a file extension.
// There were no failed tests without this block, but to be safe, we can keep it until
// the regex which require file extensions are modified so that they don't need them.
if (IsDirectory)
{
path += ".mp4";
}
var query = from expression in _options.EpisodeExpressions
select Parse(path, expression);
EpisodePathParserResult result = query.FirstOrDefault(r => r.Success);
if (result != null && fillExtendedInfo)
{
FillAdditional(path, result);
if (!string.IsNullOrWhiteSpace(result.SeriesName))
{
result.SeriesName = result.SeriesName
.Trim()
.Trim(new[] { '_', '.', '-' })
.Trim();
}
}
return(result ?? new EpisodePathParserResult());
}
private void FillAdditional(string path, EpisodePathParserResult info, IEnumerable <EpisodeExpression> expressions)
{
var results = expressions
.Where(i => i.IsNamed)
.Select(i => Parse(path, i))
.Where(i => i.Success);
foreach (var result in results)
{
if (string.IsNullOrWhiteSpace(info.SeriesName))
{
info.SeriesName = result.SeriesName;
}
if (!info.EndingEpsiodeNumber.HasValue && info.EpisodeNumber.HasValue)
{
info.EndingEpsiodeNumber = result.EndingEpsiodeNumber;
}
if (!string.IsNullOrWhiteSpace(info.SeriesName))
{
if (!info.EpisodeNumber.HasValue || info.EndingEpsiodeNumber.HasValue)
{
break;
}
}
}
}
private EpisodePathParserResult Parse(string name, EpisodeExpression expression)
{
var result = new EpisodePathParserResult();
var match = _iRegexProvider.GetRegex(expression.Expression, RegexOptions.IgnoreCase).Match(name);
// (Full)(Season)(Episode)(Extension)
if (match.Success && match.Groups.Count >= 3)
{
if (expression.IsByDate)
{
DateTime date;
if (expression.DateTimeFormats.Length > 0)
{
if (DateTime.TryParseExact(match.Groups[0].Value,
expression.DateTimeFormats,
CultureInfo.InvariantCulture,
DateTimeStyles.None,
out date))
{
result.Year = date.Year;
result.Month = date.Month;
result.Day = date.Day;
}
}
else
{
if (DateTime.TryParse(match.Groups[0].Value, out date))
{
result.Year = date.Year;
result.Month = date.Month;
result.Day = date.Day;
}
}
}
else
{
int num;
if (int.TryParse(match.Groups[1].Value, NumberStyles.Any, CultureInfo.InvariantCulture, out num))
{
result.SeasonNumber = num;
}
if (int.TryParse(match.Groups[2].Value, NumberStyles.Any, CultureInfo.InvariantCulture, out num))
{
result.EpsiodeNumber = num;
}
}
result.IsByDate = expression.IsByDate;
result.Success = true;
return(result);
}
return(result);
}
private void FillAdditional(string path, EpisodePathParserResult info)
{
var expressions = new List <EpisodeExpression>();
expressions.InsertRange(0, _multipleEpisodeExpressions.Select(i => new EpisodeExpression
{
Expression = i,
IsNamed = true
}));
if (string.IsNullOrWhiteSpace(info.SeriesName))
{
expressions.InsertRange(0, _options.EpisodeExpressions.Where(i => i.IsNamed));
}
FillAdditional(path, info, expressions);
}
private EpisodePathParserResult Parse(string name, EpisodeExpression expression)
{
var result = new EpisodePathParserResult();
var match = _iRegexProvider.GetRegex(expression.Expression, RegexOptions.IgnoreCase).Match(name);
// (Full)(Season)(Episode)(Extension)
if (match.Success && match.Groups.Count >= 3)
{
if (expression.IsByDate)
{
DateTime date;
if (expression.DateTimeFormats.Length > 0)
{
if (DateTime.TryParseExact(match.Groups[0].Value,
expression.DateTimeFormats,
CultureInfo.InvariantCulture,
DateTimeStyles.None,
out date))
{
result.Year = date.Year;
result.Month = date.Month;
result.Day = date.Day;
}
}
else
{
if (DateTime.TryParse(match.Groups[0].Value, out date))
{
result.Year = date.Year;
result.Month = date.Month;
result.Day = date.Day;
}
}
result.Success = true;
}
else if (expression.IsNamed)
{
int num;
if (int.TryParse(match.Groups["seasonnumber"].Value, NumberStyles.Any, CultureInfo.InvariantCulture, out num))
{
result.SeasonNumber = num;
}
if (int.TryParse(match.Groups["epnumber"].Value, NumberStyles.Any, CultureInfo.InvariantCulture, out num))
{
result.EpisodeNumber = num;
}
Group endingNumberGroup = match.Groups["endingepnumber"];
if (endingNumberGroup.Success)
{
// Will only set EndingEpsiodeNumber if the captured number is not followed by additional numbers
// or a 'p' or 'i' as what you would get with a pixel resolution specification.
// It avoids erroneous parsing of something like "series-s09e14-1080p.mkv" as a multi-episode from E14 to E108
int nextIndex = endingNumberGroup.Index + endingNumberGroup.Length;
if (nextIndex >= name.Length || "0123456789iIpP".IndexOf(name[nextIndex]) == -1)
{
if (int.TryParse(endingNumberGroup.Value, NumberStyles.Any, CultureInfo.InvariantCulture, out num))
{
result.EndingEpsiodeNumber = num;
}
}
}
result.SeriesName = match.Groups["seriesname"].Value;
result.Success = result.EpisodeNumber.HasValue;
}
else
{
int num;
if (int.TryParse(match.Groups[1].Value, NumberStyles.Any, CultureInfo.InvariantCulture, out num))
{
result.SeasonNumber = num;
}
if (int.TryParse(match.Groups[2].Value, NumberStyles.Any, CultureInfo.InvariantCulture, out num))
{
result.EpisodeNumber = num;
}
result.Success = result.EpisodeNumber.HasValue;
}
// Invalidate match when the season is 200 through 1927 or above 2500
// because it is an error unless the TV show is intentionally using false season numbers.
// It avoids erroneous parsing of something like "Series Special (1920x1080).mkv" as being season 1920 episode 1080.
if (result.SeasonNumber >= 200 && result.SeasonNumber < 1928 || result.SeasonNumber > 2500)
{
result.Success = false;
}
// Invalidate match when the season is greater than 1 and the episode is greater than 365
// because it is an error unless the TV show is intentionally using false episode numbers.
// It avoids erroneous parsing of something like "Series (2001-2002)\Episode 31.mp4" as being season 2001 episode 2002.
if (result.SeasonNumber > 1 && result.EpisodeNumber > 365)
{
result.Success = false;
}
result.IsByDate = expression.IsByDate;
}
return(result);
}
private EpisodePathParserResult Parse(string name, EpisodeExpression expression)
{
var result = new EpisodePathParserResult();
var match = _iRegexProvider.GetRegex(expression.Expression, RegexOptions.IgnoreCase).Match(name);
// (Full)(Season)(Episode)(Extension)
if (match.Success && match.Groups.Count >= 3)
{
if (expression.IsByDate)
{
DateTime date;
if (expression.DateTimeFormats.Length > 0)
{
if (DateTime.TryParseExact(match.Groups[0].Value,
expression.DateTimeFormats,
CultureInfo.InvariantCulture,
DateTimeStyles.None,
out date))
{
result.Year = date.Year;
result.Month = date.Month;
result.Day = date.Day;
}
}
else
{
if (DateTime.TryParse(match.Groups[0].Value, out date))
{
result.Year = date.Year;
result.Month = date.Month;
result.Day = date.Day;
}
}
result.Success = true;
}
else if (expression.IsNamed)
{
int num;
if (int.TryParse(match.Groups["seasonnumber"].Value, NumberStyles.Any, CultureInfo.InvariantCulture, out num))
{
result.SeasonNumber = num;
}
if (int.TryParse(match.Groups["epnumber"].Value, NumberStyles.Any, CultureInfo.InvariantCulture, out num))
{
result.EpisodeNumber = num;
}
var endingNumberGroup = match.Groups["endingepnumber"];
if (endingNumberGroup != null)
{
bool bEndingNumberValid = true;
int nextIndex = endingNumberGroup.Index + endingNumberGroup.Length;
string nextChar = name.Substring(nextIndex, 1).ToLower();
if (("0123456789".Contains(nextChar)))
{
// The regex expressions look for a number with a length of 2 or 3 charachters
// if the following character is another digit, the parsed ending number would be incorrect anyway
// This will fix erroneous parsing of something like "series-s09e14-1080p.mkv"
// as a multi-episode from E14 to E108
bEndingNumberValid = false;
}
if (nextChar == "p" || nextChar == "i")
{
// This will fix erroneous parsing of something like "series-s09e14-720p.mkv"
// as a multi-episode from E14 to E720
// It should be safe to assume that a _real_ ending episode number will never be followed by those letters
bEndingNumberValid = false;
}
if (bEndingNumberValid && int.TryParse(endingNumberGroup.Value, NumberStyles.Any, CultureInfo.InvariantCulture, out num))
{
result.EndingEpsiodeNumber = num;
}
}
var seriesGroup = match.Groups["seriesname"];
result.SeriesName = seriesGroup == null ? null : seriesGroup.Value;
result.Success = result.EpisodeNumber.HasValue;
}
else
{
int num;
if (int.TryParse(match.Groups[1].Value, NumberStyles.Any, CultureInfo.InvariantCulture, out num))
{
result.SeasonNumber = num;
}
if (int.TryParse(match.Groups[2].Value, NumberStyles.Any, CultureInfo.InvariantCulture, out num))
{
result.EpisodeNumber = num;
}
result.Success = result.EpisodeNumber.HasValue;
}
result.IsByDate = expression.IsByDate;
}
return(result);
}
