Add identifierItems for TaskGroupRenderSection

Author: Kyle-Ye

Diff for: Sources/SwiftDocC/Model/Rendering/RenderNodeTranslator.swift

@@ -1060,7 +1060,7 @@ public struct RenderNodeTranslator: SemanticVisitor {
                 title: group.heading?.plainText,
                 abstract: abstractContent,
                 discussion: discussion,
-                identifiers: group.links.compactMap { link in
+                identifierItems: group.links.compactMap { link in
                     switch link {
                     case let link as Link:
                         if !allowExternalLinks {
@@ -1082,12 +1082,13 @@ public struct RenderNodeTranslator: SemanticVisitor {
                            case let RenderInlineContent.reference(
                              identifier: identifier,
                              isActive: _,
-                             overridingTitle: _,
-                             overridingTitleInlineContent: _
+                             overridingTitle: overridingTitle,
+                             overridingTitleInlineContent: overridingTitleInlineContent
                            ) = renderReference
                         {
-                            return isTopicAvailableInAllowedTraits(identifier: identifier.identifier)
-                                ? identifier.identifier : nil
+                            let identifier = identifier.identifier
+                            return isTopicAvailableInAllowedTraits(identifier: identifier)
+                            ? TaskGroupRenderSection.IdentifierItem(identifier: identifier, overrideTitle: overridingTitle, overridingTitleInlineContent: overridingTitleInlineContent) : nil
                         }
                     case let link as SymbolLink:
                         if let referenceInlines = contentCompiler.visitSymbolLink(link) as? [RenderInlineContent],
@@ -1102,12 +1103,13 @@ public struct RenderNodeTranslator: SemanticVisitor {
                            case let RenderInlineContent.reference(
                              identifier: identifier,
                              isActive: _,
-                             overridingTitle: _,
-                             overridingTitleInlineContent: _
+                             overridingTitle: overridingTitle,
+                             overridingTitleInlineContent: overridingTitleInlineContent
                            ) = renderReference
                         {
-                            return isTopicAvailableInAllowedTraits(identifier: identifier.identifier)
-                                ? identifier.identifier : nil
+                            let identifier = identifier.identifier
+                            return isTopicAvailableInAllowedTraits(identifier: identifier)
+                            ? TaskGroupRenderSection.IdentifierItem(identifier: identifier, overrideTitle: overridingTitle, overridingTitleInlineContent: overridingTitleInlineContent) : nil
                         }
                     default: break
                     }

Diff for: Sources/SwiftDocC/Model/Rendering/Symbol/TaskGroupRenderSection.swift

@@ -19,28 +19,59 @@ public struct TaskGroupRenderSection: RenderSection {
     /// An optional discussion for the section.
     public let discussion: RenderSection?
     /// A list of topic graph references.
-    public let identifiers: [String]
+    @available(*, deprecated, message: "Please use identifierItems instead.")
+    public var identifiers: [String] { identifierItems.map { $0.identifier } }
+    /// A list of topic graph reference items
+    public let identifierItems: [IdentifierItem]
     /// If true, this is an automatically generated group. If false, this is an authored group.
     public let generated: Bool
 
+    public struct IdentifierItem: Codable {
+        public let identifier: String
+        public let overrideTitle: String?
+        public let overridingTitleInlineContent: [RenderInlineContent]?
+
+        public init(identifier: String, overrideTitle: String? = nil, overridingTitleInlineContent: [RenderInlineContent]? = nil) {
+            self.identifier = identifier
+            self.overrideTitle = overrideTitle
+            self.overridingTitleInlineContent = overridingTitleInlineContent
+        }
+    }
+
     /// Creates a new task group.
     /// - Parameters:
     ///   - title: An optional title for the section.
     ///   - abstract: An optional abstract summary for the section.
     ///   - discussion: An optional discussion for the section.
     ///   - identifiers: A list of topic-graph references.
     ///   - generated: If `true`, this is an automatically generated group. If `false`, this is an authored group.
+    @available(*, deprecated, message: "Please use TaskGroupRenderSection.init(title:abstract:discussion:identifierItems:generated:) instead.")
     public init(title: String?, abstract: [RenderInlineContent]?, discussion: RenderSection?, identifiers: [String], generated: Bool = false) {
         self.title = title
         self.abstract = abstract
         self.discussion = discussion
-        self.identifiers = identifiers
+        self.identifierItems = identifiers.map { IdentifierItem(identifier: $0) }
+        self.generated = generated
+    }
+    
+    /// Creates a new task group.
+    /// - Parameters:
+    ///   - title: An optional title for the section.
+    ///   - abstract: An optional abstract summary for the section.
+    ///   - discussion: An optional discussion for the section.
+    ///   - identifiers: A list of topic-graph references.
+    ///   - generated: If `true`, this is an automatically generated group. If `false`, this is an authored group.
+    public init(title: String?, abstract: [RenderInlineContent]?, discussion: RenderSection?, identifierItems: [IdentifierItem], generated: Bool = false) {
+        self.title = title
+        self.abstract = abstract
+        self.discussion = discussion
+        self.identifierItems = identifierItems
         self.generated = generated
     }
 
     /// The list of keys you use to encode or decode this section.
     private enum CodingKeys: CodingKey {
-        case title, abstract, discussion, identifiers, generated
+        case title, abstract, discussion, identifiers, identifierItems, generated
     }
 
     public func encode(to encoder: Encoder) throws {
@@ -50,6 +81,7 @@ public struct TaskGroupRenderSection: RenderSection {
         try container.encodeIfPresent(abstract, forKey: .abstract)
         try container.encodeIfPresent(discussion.map(CodableRenderSection.init), forKey: .discussion)
         try container.encode(identifiers, forKey: .identifiers)
+        try container.encode(identifierItems, forKey: .identifierItems)
         if generated {
             try container.encode(generated, forKey: .generated)
         }
@@ -61,11 +93,18 @@ public struct TaskGroupRenderSection: RenderSection {
         title = try container.decodeIfPresent(String.self, forKey: .title)
         abstract = try container.decodeIfPresent([RenderInlineContent].self, forKey: .abstract)
         discussion = (try container.decodeIfPresent(CodableContentSection.self, forKey: .discussion)).map { $0.section }
-        identifiers = try container.decode([String].self, forKey: .identifiers)
-
-        decoder.registerReferences(identifiers)
-
+        
+        let identifiers = try container.decodeIfPresent([String].self, forKey: .identifiers)
+        let identifierItems = try container.decodeIfPresent([IdentifierItem].self, forKey: .identifierItems)
+        if let identifierItems = identifierItems {
+            self.identifierItems = identifierItems
+        } else if let identifiers = identifiers {
+            self.identifierItems = identifiers.map { IdentifierItem(identifier: $0) }
+        } else {
+            self.identifierItems = []
+        }
         generated = try container.decodeIfPresent(Bool.self, forKey: .generated) ?? false
+        decoder.registerReferences(self.identifiers)
     }
 }
 
@@ -76,7 +115,7 @@ extension TaskGroupRenderSection {
         self.title = group.title
         self.abstract = nil
         self.discussion = nil
-        self.identifiers = group.references.map({ $0.absoluteString })
+        self.identifierItems = group.references.map{ IdentifierItem(identifier: $0.absoluteString) }
         self.generated = false
     }
 }