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Simplified more RegexReplace instances.

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pull/2935/head
Taloth Saldono 5 years ago
parent ff994d594a
commit e5632019db
2 changed files with 45 additions and 19 deletions
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43
src/NzbDrone.Core/Parser/Parser.cs
Unescape View File

@ -301,26 +301,31 @@ namespace NzbDrone.Core.Parser
//Regex to detect whether the title was reversed.
private static readonly Regex ReversedTitleRegex = new Regex(@"(?:^|[-._ ])(p027|p0801|\d{2,3}E\d{2}S)[-._ ]", RegexOptions.Compiled);
private static readonly Regex NormalizeRegex = new Regex(@"((?:\b|_)(?<!^)(a(?!$)|an|the|and|or|of)(?:\b|_))|\W|_",
private static readonly RegexReplace NormalizeRegex = new RegexReplace(@"((?:\b|_)(?<!^)(a(?!$)|an|the|and|or|of)(?:\b|_))|\W|_",
string.Empty,
RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly Regex FileExtensionRegex = new Regex(@"\.[a-z0-9]{2,4}$",
RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly Regex SimpleTitleRegex = new Regex(@"(?:(480|720|1080|2160)[ip]|[xh][\W_]?26[45]|DD\W?5\W1|[<>?*:|]|848x480|1280x720|1920x1080|3840x2160|4096x2160|(8|10)b(it)?|10-bit)\s*?",
private static readonly RegexReplace SimpleTitleRegex = new RegexReplace(@"(?:(480|720|1080|2160)[ip]|[xh][\W_]?26[45]|DD\W?5\W1|[<>?*:|]|848x480|1280x720|1920x1080|3840x2160|4096x2160|(8|10)b(it)?|10-bit)\s*?",
string.Empty,
RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly Regex WebsitePrefixRegex = new Regex(@"^\[\s*[a-z]+(\.[a-z]+)+\s*\][- ]*|^www\.[a-z]+\.(?:com|net)[ -]*",
RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly RegexReplace WebsitePrefixRegex = new RegexReplace(@"^\[\s*[a-z]+(\.[a-z]+)+\s*\][- ]*|^www\.[a-z]+\.(?:com|net)[ -]*",
string.Empty,
RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly Regex SixDigitAirDateRegex = new Regex(@"(?<=[_.-])(?<airdate>(?<!\d)(?<airyear>[1-9]\d{1})(?<airmonth>[0-1][0-9])(?<airday>[0-3][0-9]))(?=[_.-])",
RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly Regex CleanReleaseGroupRegex = new Regex(@"^(.*?[-._ ](S\d+E\d+)[-._ ])|(-(RP|1|NZBGeek|Obfuscated|Scrambled|sample|Pre|postbot|xpost))+$",
private static readonly RegexReplace CleanReleaseGroupRegex = new RegexReplace(@"^(.*?[-._ ](S\d+E\d+)[-._ ])|(-(RP|1|NZBGeek|Obfuscated|Scrambled|sample|Pre|postbot|xpost))+$",
string.Empty,
RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly Regex CleanTorrentSuffixRegex = new Regex(@"\[(?:ettv|rartv|rarbg|cttv)\]$",
RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly RegexReplace CleanTorrentSuffixRegex = new RegexReplace(@"\[(?:ettv|rartv|rarbg|cttv)\]$",
string.Empty,
RegexOptions.IgnoreCase | RegexOptions.Compiled);
private static readonly Regex CleanQualityBracketsRegex = new Regex(@"\[[a-z0-9 ._-]+\]$",
RegexOptions.IgnoreCase | RegexOptions.Compiled);
@ -392,17 +397,20 @@ namespace NzbDrone.Core.Parser
var releaseTitle = RemoveFileExtension(title);
var simpleTitle = SimpleTitleRegex.Replace(releaseTitle, string.Empty);
foreach (var replace in PreSubstitutionRegex)
{
simpleTitle = replace.Replace(simpleTitle);
if (replace.TryReplace(ref releaseTitle))
{
Logger.Debug("Substituted with " + releaseTitle);
}
}
var simpleTitle = SimpleTitleRegex.Replace(releaseTitle);
// TODO: Quick fix stripping [url] - prefixes.
simpleTitle = WebsitePrefixRegex.Replace(simpleTitle, string.Empty);
simpleTitle = WebsitePrefixRegex.Replace(simpleTitle);
simpleTitle = CleanTorrentSuffixRegex.Replace(simpleTitle, string.Empty);
simpleTitle = CleanTorrentSuffixRegex.Replace(simpleTitle);
simpleTitle = CleanQualityBracketsRegex.Replace(simpleTitle, m =>
{
@ -513,7 +521,7 @@ namespace NzbDrone.Core.Parser
if (long.TryParse(title, out number))
return title;
return NormalizeRegex.Replace(title, string.Empty).ToLower().RemoveAccent();
return NormalizeRegex.Replace(title).ToLower().RemoveAccent();
}
public static string NormalizeEpisodeTitle(string title)
@ -552,7 +560,12 @@ namespace NzbDrone.Core.Parser
{
title = title.Trim();
title = RemoveFileExtension(title);
title = WebsitePrefixRegex.Replace(title, "");
foreach (var replace in PreSubstitutionRegex)
{
if (replace.TryReplace(ref title))
break;
}
title = WebsitePrefixRegex.Replace(title);
var animeMatch = AnimeReleaseGroupRegex.Match(title);
@ -561,7 +574,7 @@ namespace NzbDrone.Core.Parser
return animeMatch.Groups["subgroup"].Value;
}
title = CleanReleaseGroupRegex.Replace(title, "");
title = CleanReleaseGroupRegex.Replace(title);
var matches = ReleaseGroupRegex.Matches(title);

21
src/NzbDrone.Core/Parser/RegexReplace.cs
Unescape View File

@ -10,23 +10,36 @@ namespace NzbDrone.Core.Parser
public class RegexReplace
{
private readonly Regex _regex;
private readonly string _replacement;
private readonly string _replacementFormat;
private readonly MatchEvaluator _replacementFunc;
public RegexReplace(string pattern, string replacement, RegexOptions regexOptions)
{
_regex = new Regex(pattern, regexOptions);
_replacement = replacement;
_replacementFormat = replacement;
}
public RegexReplace(string pattern, MatchEvaluator replacement, RegexOptions regexOptions)
{
_regex = new Regex(pattern, regexOptions);
_replacementFunc = replacement;
}
public string Replace(string input)
{
return _regex.Replace(input, _replacement);
if (_replacementFunc != null)
return _regex.Replace(input, _replacementFunc);
else
return _regex.Replace(input, _replacementFormat);
}
public bool TryReplace(ref string input)
{
var result = _regex.IsMatch(input);
input = _regex.Replace(input, _replacement);
if (_replacementFunc != null)
input = _regex.Replace(input, _replacementFunc);
else
input = _regex.Replace(input, _replacementFormat);
return result;
}
}

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