1 files changed, 67 insertions, 0 deletions
diff --git a/src/Documentation/DocumentationModel.kt b/src/Documentation/DocumentationModel.kt
new file mode 100644
index 00000000..0113eb18
--- /dev/null
+++ b/src/Documentation/DocumentationModel.kt
@@ -0,0 +1,67 @@
+package org.jetbrains.dokka
+
+import org.jetbrains.jet.lang.resolve.BindingContext
+import org.jetbrains.jet.lang.psi.JetFile
+
+public enum class DocumentationNodeKind {
+    Unknown
+
+    Package
+    Class
+    Object
+    Constructor
+    Function
+    Property
+    Parameter
+    TypeParameter
+    Exception
+
+    Page
+    Model
+}
+
+public enum class DocumentationReferenceKind {
+    Member
+    Detail
+    Owner
+    Link
+    Override
+}
+
+public open class DocumentationNode(val name: String, val doc: String, val kind: DocumentationNodeKind) {
+    private val references = arrayListOf<DocumentationReference>()
+
+    public val owner: DocumentationNode
+        get() = references(DocumentationReferenceKind.Owner).single().to
+    public val details: List<DocumentationNode>
+        get() = references(DocumentationReferenceKind.Detail).map { it.to }
+    public val members: List<DocumentationNode>
+        get() = references(DocumentationReferenceKind.Member).map { it.to }
+    public val links: List<DocumentationNode>
+        get() = references(DocumentationReferenceKind.Link).map { it.to }
+
+    // TODO: Should we allow node mutation? Model merge will copy by ref, so references are transparent, which could nice
+    public fun addReferenceTo(to: DocumentationNode, kind: DocumentationReferenceKind) {
+        references.add(DocumentationReference(this, to, kind))
+    }
+
+    public fun addAllReferencesFrom(other: DocumentationNode) {
+        references.addAll(other.references)
+    }
+
+    public fun references(kind: DocumentationReferenceKind): List<DocumentationReference> = references.filter { it.kind == kind }
+}
+
+public class DocumentationModel : DocumentationNode("model", "", DocumentationNodeKind.Model) {
+    fun merge(other: DocumentationModel): DocumentationModel {
+        val model = DocumentationModel()
+        model.addAllReferencesFrom(other)
+        model.addAllReferencesFrom(this)
+        return model
+    }
+
+    public val nodes: List<DocumentationNode>
+        get() = members
+}
+
+public data class DocumentationReference(val from: DocumentationNode, val to: DocumentationNode, val kind: DocumentationReferenceKind)