2 files changed, 28 insertions, 12 deletions
diff --git a/src/Model/Content.kt b/src/Model/Content.kt
index 8e9c068d..66267496 100644
--- a/src/Model/Content.kt
+++ b/src/Model/Content.kt
@@ -98,9 +98,22 @@ fun ContentBlock.link(to: DocumentationNode, body: ContentBlock.() -> Unit) {
     append(block)
 }
 
-public class Content() : ContentBlock() {
+public open class Content(): ContentBlock() {
+    public open val sections: List<ContentSection> get() = emptyList()
+    public open val summary: ContentNode get() = ContentEmpty
+    public open val description: ContentNode get() = ContentEmpty
+
+    fun findSectionByTag(tag: String): ContentSection? =
+            sections.firstOrNull { tag.equalsIgnoreCase(it.tag) }
+
+    class object {
+        val Empty = Content()
+    }
+}
+
+public open class MutableContent() : Content() {
     private val sectionList = arrayListOf<ContentSection>()
-    public val sections: List<ContentSection>
+    public override val sections: List<ContentSection>
         get() = sectionList
 
     fun addSection(tag: String?, subjectName: String?): ContentSection {
@@ -109,12 +122,9 @@ public class Content() : ContentBlock() {
         return section
     }
 
-    fun findSectionByTag(tag: String): ContentSection? =
-        sections.firstOrNull { tag.equalsIgnoreCase(it.tag) }
-
-    public val summary: ContentNode get() = children.firstOrNull() ?: ContentEmpty
+    public override val summary: ContentNode get() = children.firstOrNull() ?: ContentEmpty
 
-    public val description: ContentNode by Delegates.lazy {
+    public override val description: ContentNode by Delegates.lazy {
         val descriptionNodes = children.drop(1)
         if (descriptionNodes.isEmpty()) {
             ContentEmpty
@@ -143,10 +153,6 @@ public class Content() : ContentBlock() {
 
     val isEmpty: Boolean
         get() = sections.none()
-
-    class object {
-        val Empty = Content()
-    }
 }
 
 fun javadocSectionDisplayName(sectionName: String?): String? =
diff --git a/src/Model/DocumentationNode.kt b/src/Model/DocumentationNode.kt
index f0c3ddf5..8fec29c4 100644
--- a/src/Model/DocumentationNode.kt
+++ b/src/Model/DocumentationNode.kt
@@ -3,11 +3,14 @@ package org.jetbrains.dokka
 import java.util.LinkedHashSet
 
 public open class DocumentationNode(val name: String,
-                                    val content: Content,
+                                    content: Content,
                                     val kind: DocumentationNode.Kind) {
 
     private val references = LinkedHashSet<DocumentationReference>()
 
+    var content: Content = content
+        private set
+
     public val summary: ContentNode get() = content.summary
 
     public val owner: DocumentationNode?
@@ -38,6 +41,13 @@ public open class DocumentationNode(val name: String,
         references.addAll(other.references)
     }
 
+    public fun updateContent(body: MutableContent.() -> Unit) {
+        if (content !is MutableContent) {
+            content = MutableContent()
+        }
+        (content as MutableContent).body()
+    }
+
     public fun details(kind: DocumentationNode.Kind): List<DocumentationNode> = details.filter { it.kind == kind }
     public fun members(kind: DocumentationNode.Kind): List<DocumentationNode> = members.filter { it.kind == kind }
     public fun links(kind: DocumentationNode.Kind): List<DocumentationNode> = links.filter { it.kind == kind }