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improve book resolution from filename

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This commit is contained in:
dkanada
2026-06-15 11:31:49 +09:00
parent 8028e1d59d
commit f4bab458a2
4 changed files with 92 additions and 11 deletions
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29
Emby.Naming/Book/BookFileNameParser.cs
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@@ -1,3 +1,4 @@
using System;
using System.Text.RegularExpressions;
namespace Emby.Naming.Book
@@ -5,7 +6,7 @@ namespace Emby.Naming.Book
/// <summary>
/// Helper class to retrieve basic metadata from a book filename.
/// </summary>
public static class BookFileNameParser
public static partial class BookFileNameParser
{
private const string NameMatchGroup = "name";
private const string IndexMatchGroup = "index";
@@ -15,14 +16,17 @@ namespace Emby.Naming.Book
private static readonly Regex[] _nameMatches =
[
// seriesName (seriesYear) #index (of count) (year) where only seriesName and index are required
new Regex(@"^(?<seriesName>.+?)((\s\((?<seriesYear>[0-9]{4})\))?)\s#(?<index>[0-9]+)((\s\(of\s(?<count>[0-9]+)\))?)((\s\((?<year>[0-9]{4})\))?)$"),
new Regex(@"^(?<name>.+?)\s\((?<seriesName>.+?),\s#(?<index>[0-9]+)\)((\s\((?<year>[0-9]{4})\))?)$"),
new Regex(@"^(?<index>[0-9]+)\s\-\s(?<name>.+?)((\s\((?<year>[0-9]{4})\))?)$"),
new Regex(@"^(?<seriesName>.+?)((\s\((?<seriesYear>[0-9]{4})\))?)\s#(?<index>[0-9]+)(?:\.0)?((\s\(of\s(?<count>[0-9]+)\))?)((\s\((?<year>[0-9]{4})\))?)$"),
new Regex(@"^(?<name>.+?)\s\((?<seriesName>.+?),\s#(?<index>[0-9]+)\)(?:\.0)?((\s\((?<year>[0-9]{4})\))?)$"),
new Regex(@"^(?<index>[0-9]+)(?:\.0)?\s\-\s(?<name>.+?)((\s\((?<year>[0-9]{4})\))?)$"),
new Regex(@"(?<name>.*)\((?<year>[0-9]{4})\)"),
// last resort matches the whole string as the name
new Regex(@"(?<name>.*)")
];
[GeneratedRegex(@"^(?<name>.+?)(\sv(?<volume>[0-9]+))?(\sc(?<chapter>[0-9]+))?$")]
private static partial Regex ComicRegex();
/// <summary>
/// Parse a filename name to retrieve the book name, series name, index, and year.
/// </summary>
@@ -48,7 +52,22 @@ namespace Emby.Naming.Book
if (match.Groups.TryGetValue(NameMatchGroup, out Group? nameGroup) && nameGroup.Success)
{
result.Name = nameGroup.Value.Trim();
var comicMatch = ComicRegex().Match(nameGroup.Value.Trim());
if (comicMatch.Success)
{
if (comicMatch.Groups.TryGetValue("volume", out Group? volumeGroup) && volumeGroup.Success && int.TryParse(volumeGroup.ValueSpan, out var volume))
{
result.ParentIndex = volume;
}
if (comicMatch.Groups.TryGetValue("chapter", out Group? chapterGroup) && chapterGroup.Success && int.TryParse(chapterGroup.ValueSpan, out var chapter))
{
result.Index = chapter;
}
}
result.Name = nameGroup.ValueSpan.Trim().ToString();
}
if (match.Groups.TryGetValue(IndexMatchGroup, out Group? indexGroup) && indexGroup.Success && int.TryParse(indexGroup.Value, out var index))