| 1 | #nullable enable |
| 2 | |
| 3 | namespace RoslynMcp.ServiceLayer.WorkspaceNavigation; |
| 4 | |
| 5 | /// <summary> |
| 6 | /// Фильтр по видам связей: <c>include_kinds</c> — белый список (если задан и непустой); |
| 7 | /// <c>exclude_kinds</c> — вычитание. Неизвестные токены в списках игнорируются. |
| 8 | /// </summary> |
| 9 | public readonly struct WorkspaceNavigationKindFilter |
| 10 | { |
| 11 | private readonly HashSet<string>? _include; |
| 12 | private readonly HashSet<string> _exclude; |
| 13 | |
| 14 | private WorkspaceNavigationKindFilter(HashSet<string>? include, HashSet<string> exclude) |
| 15 | { |
| 16 | _include = include; |
| 17 | _exclude = exclude; |
| 18 | } |
| 19 | |
| 20 | /// <summary><c>null</c> — без белого списка (все виды, кроме исключённых).</summary> |
| 21 | public IReadOnlyList<string>? EffectiveIncludeKinds => |
| 22 | _include is null ? null : _include.OrderBy(x => x, StringComparer.Ordinal).ToList(); |
| 23 | |
| 24 | /// <summary>Канонические исключённые виды (может быть пустым).</summary> |
| 25 | public IReadOnlyList<string> EffectiveExcludeKinds => |
| 26 | _exclude.Count == 0 ? Array.Empty<string>() : _exclude.OrderBy(x => x, StringComparer.Ordinal).ToList(); |
| 27 | |
| 28 | public static WorkspaceNavigationKindFilter Create(IReadOnlyList<string>? includeKinds, IReadOnlyList<string>? excludeKinds) |
| 29 | { |
| 30 | var exclude = new HashSet<string>(StringComparer.OrdinalIgnoreCase); |
| 31 | if (excludeKinds is not null) |
| 32 | { |
| 33 | foreach (var t in excludeKinds) |
| 34 | { |
| 35 | var c = WorkspaceNavigationRelatedKinds.TryCanonicalKind(t); |
| 36 | if (c is not null) |
| 37 | exclude.Add(c); |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | HashSet<string>? include = null; |
| 42 | if (includeKinds is not null && includeKinds.Count > 0) |
| 43 | { |
| 44 | include = new HashSet<string>(StringComparer.OrdinalIgnoreCase); |
| 45 | foreach (var t in includeKinds) |
| 46 | { |
| 47 | var c = WorkspaceNavigationRelatedKinds.TryCanonicalKind(t); |
| 48 | if (c is not null) |
| 49 | include.Add(c); |
| 50 | } |
| 51 | |
| 52 | if (include.Count == 0) |
| 53 | include = null; |
| 54 | } |
| 55 | |
| 56 | return new WorkspaceNavigationKindFilter(include, exclude); |
| 57 | } |
| 58 | |
| 59 | public bool Allows(string kind) |
| 60 | { |
| 61 | if (string.IsNullOrEmpty(kind)) |
| 62 | return false; |
| 63 | if (_include is not null && !_include.Contains(kind)) |
| 64 | return false; |
| 65 | if (_exclude.Contains(kind)) |
| 66 | return false; |
| 67 | return true; |
| 68 | } |
| 69 | } |
| 70 | |