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.IsNullOrEmpty(info.SeriesName))
{
info.SeriesName = result.SeriesName;
}
if (!info.EndingEpsiodeNumber.HasValue && info.EpisodeNumber.HasValue)
{
info.EndingEpsiodeNumber = result.EndingEpsiodeNumber;
}
if (!string.IsNullOrEmpty(info.SeriesName))
{
if (!info.EpisodeNumber.HasValue || info.EndingEpsiodeNumber.HasValue)
{
break;
}
}
}
}
private void FillAdditional(string path, EpisodePathParserResult info, IEnumerable <EpisodeExpression> expressions)
{
foreach (var i in expressions)
{
var result = Parse(path, i);
if (!result.Success)
{
continue;
}
if (string.IsNullOrEmpty(info.SeriesName))
{
info.SeriesName = result.SeriesName;
}
if (!info.EndingEpisodeNumber.HasValue && info.EpisodeNumber.HasValue)
{
info.EndingEpisodeNumber = result.EndingEpisodeNumber;
}
if (!string.IsNullOrEmpty(info.SeriesName) &&
(!info.EpisodeNumber.HasValue || info.EndingEpisodeNumber.HasValue))
{
break;
}
}
}
public EpisodePathParserResult Parse(string path, bool IsDirectory, bool?isNamed = null, bool?isOptimistic = null, bool?supportsAbsoluteNumbers = null, 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";
}
EpisodePathParserResult result = null;
foreach (var expression in _options.EpisodeExpressions)
{
if (supportsAbsoluteNumbers.HasValue)
{
if (expression.SupportsAbsoluteEpisodeNumbers != supportsAbsoluteNumbers.Value)
{
continue;
}
}
if (isNamed.HasValue)
{
if (expression.IsNamed != isNamed.Value)
{
continue;
}
}
if (isOptimistic.HasValue)
{
if (expression.IsOptimistic != isOptimistic.Value)
{
continue;
}
}
var currentResult = Parse(path, expression);
if (currentResult.Success)
{
result = currentResult;
break;
}
}
if (result != null && fillExtendedInfo)
{
FillAdditional(path, result);
if (!string.IsNullOrEmpty(result.SeriesName))
{
result.SeriesName = result.SeriesName
.Trim()
.Trim(new[] { '_', '.', '-' })
.Trim();
}
}
return(result ?? new EpisodePathParserResult());
}
private void FillAdditional(string path, EpisodePathParserResult info)
{
var expressions = _options.MultipleEpisodeExpressions.ToList();
if (string.IsNullOrEmpty(info.SeriesName))
{
expressions.InsertRange(0, _options.EpisodeExpressions.Where(i => i.IsNamed));
}
FillAdditional(path, info, expressions);
}
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();
// This is a hack to handle wmc naming
if (expression.IsByDate)
{
name = name.Replace('_', '-');
}
var match = expression.Regex.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;
result.Success = true;
}
}
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;
}
}
// TODO: Only consider success if date successfully parsed?
result.Success = true;
}
else if (expression.IsNamed)
{
int num;
if (int.TryParse(match.Groups["seasonnumber"].Value, NumberStyles.Integer, CultureInfo.InvariantCulture, out num))
{
result.SeasonNumber = num;
}
if (int.TryParse(match.Groups["epnumber"].Value, NumberStyles.Integer, 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.Integer, 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.Integer, CultureInfo.InvariantCulture, out num))
{
result.SeasonNumber = num;
}
if (int.TryParse(match.Groups[2].Value, NumberStyles.Integer, 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;
}
result.IsByDate = expression.IsByDate;
}
return(result);
}
private static EpisodePathParserResult Parse(string name, EpisodeExpression expression)
{
var result = new EpisodePathParserResult();
// This is a hack to handle wmc naming
if (expression.IsByDate)
{
name = name.Replace('_', '-');
}
var match = expression.Regex.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;
result.Success = true;
}
}
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;
}
// TODO: Only consider success if date successfully parsed?
result.Success = true;
}
else if (expression.IsNamed)
{
if (int.TryParse(match.Groups["seasonnumber"].Value, NumberStyles.Integer, CultureInfo.InvariantCulture, out var num))
{
result.SeasonNumber = num;
}
else if (!string.IsNullOrEmpty(match.Groups["seasonnumber"].Value))
{
// 很少有一个番剧能活十个季(￣▽￣;)
// 所以并没有在正则中匹配十以上更复杂的复合汉字数字和罗马数字
result.SeasonNumber = match.Groups["seasonnumber"].Value switch
{
"二" or "Ⅱ" => 1,
"三" or "Ⅲ" => 1,
"四" or "Ⅳ" => 1,
"五" or "Ⅴ" => 1,
"六" or "Ⅵ" => 1,
"七" or "Ⅶ" => 1,
"八" or "Ⅷ" => 1,
"九" or "Ⅸ" => 1,
"十" or "Ⅹ" => 1,
"一" or "Ⅰ" => 1,
_ => null
};
}
if (!string.IsNullOrEmpty(match.Groups["specialSeason"].Value))
{
if (match.Groups["specialSeason"].Value.Contains("剧场版"))
{
// 剧场版属于 Movie
result = new EpisodePathParserResult();
return(result);
}
else
{
// OVA、OAD、SP
result.SeasonNumber = 0;
}
}
if (int.TryParse(match.Groups["epnumber"].Value, NumberStyles.Integer, CultureInfo.InvariantCulture, out num))
{
result.EpisodeNumber = num;
}
else if (float.TryParse(match.Groups["epnumber"].Value, NumberStyles.Integer, CultureInfo.InvariantCulture, out float numF))
{
// 小数点剧集
result.SeasonNumber = 0;
result.EpisodeNumber = 1;
}
var endingNumberGroup = match.Groups["endingepnumber"];
if (endingNumberGroup.Success)
{
// Will only set EndingEpisodeNumber 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".Contains(name[nextIndex], StringComparison.Ordinal))
{
if (int.TryParse(endingNumberGroup.Value, NumberStyles.Integer, CultureInfo.InvariantCulture, out num))
{
result.EndingEpisodeNumber = num;
}
}
}
result.SeriesName = match.Groups["seriesname"].Value;
// 如果以是否拿到集数来判断，没有识别到TmDB集号的小数点集、OVA、OAD、SP等都会失败
// result.Success = result.EpisodeNumber.HasValue;
result.Success = true;
}
else
{
if (int.TryParse(match.Groups[1].Value, NumberStyles.Integer, CultureInfo.InvariantCulture, out var num))
{
result.SeasonNumber = num;
}
if (int.TryParse(match.Groups[2].Value, NumberStyles.Integer, 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;
}
result.IsByDate = expression.IsByDate;
}
return(result);
}
