First version of javadoc output generation

12 files changed, 1586 insertions, 0 deletions

diff --git a/plugins/javadoc/src/main/kotlin/javadoc/JavadocDocumentableToPageTranslator.kt b/plugins/javadoc/src/main/kotlin/javadoc/JavadocDocumentableToPageTranslator.kt
new file mode 100644
index 00000000..840bdc55
--- /dev/null
+++ b/plugins/javadoc/src/main/kotlin/javadoc/JavadocDocumentableToPageTranslator.kt
@@ -0,0 +1,18 @@
+package javadoc
+
+import org.jetbrains.dokka.base.signatures.SignatureProvider
+import org.jetbrains.dokka.base.transformers.pages.comments.CommentsToContentConverter
+import org.jetbrains.dokka.model.DModule
+import org.jetbrains.dokka.pages.ModulePageNode
+import org.jetbrains.dokka.pages.RootPageNode
+import org.jetbrains.dokka.transformers.documentation.DocumentableToPageTranslator
+import org.jetbrains.dokka.utilities.DokkaLogger
+
+class JavadocDocumentableToPageTranslator(
+    private val commentsToContentConverter: CommentsToContentConverter,
+    private val signatureProvider: SignatureProvider,
+    private val logger: DokkaLogger
+) : DocumentableToPageTranslator {
+    override fun invoke(module: DModule): RootPageNode =
+        JavadocPageCreator(commentsToContentConverter, signatureProvider, logger).pageForModule(module)
+}
\ No newline at end of file
diff --git a/plugins/javadoc/src/main/kotlin/javadoc/JavadocLocationProvider.kt b/plugins/javadoc/src/main/kotlin/javadoc/JavadocLocationProvider.kt
new file mode 100644
index 00000000..520486f6
--- /dev/null
+++ b/plugins/javadoc/src/main/kotlin/javadoc/JavadocLocationProvider.kt
@@ -0,0 +1,103 @@
+package javadoc
+
+import javadoc.pages.*
+import org.jetbrains.dokka.Platform
+import org.jetbrains.dokka.base.DokkaBase
+import org.jetbrains.dokka.base.resolvers.local.LocationProvider
+import org.jetbrains.dokka.links.DRI
+import org.jetbrains.dokka.model.SourceSetData
+import org.jetbrains.dokka.pages.ContentPage
+import org.jetbrains.dokka.pages.PageNode
+import org.jetbrains.dokka.pages.RootPageNode
+import org.jetbrains.dokka.plugability.DokkaContext
+import org.jetbrains.dokka.plugability.plugin
+import org.jetbrains.dokka.plugability.query
+import java.nio.file.Paths
+import java.util.*
+
+class JavadocLocationProvider(pageRoot: RootPageNode, private val context: DokkaContext) : LocationProvider {
+    private val externalLocationProviderFactories =
+        context.plugin<DokkaBase>().query { externalLocationProviderFactory }
+    private val externalLocationProvider =
+        externalLocationProviderFactories.asSequence().map { it.getExternalLocationProvider("javadoc10") }
+            .filterNotNull().take(1).firstOrNull()
+    private val externalDocumentationLinks by lazy {
+        context.configuration.passesConfigurations
+            .filter { passConfig -> passConfig.analysisPlatform == Platform.jvm }
+            .flatMap { it.externalDocumentationLinks }
+            .distinct()
+    }
+
+    private val pathIndex = IdentityHashMap<PageNode, List<String>>().apply {
+        fun registerPath(page: PageNode, prefix: List<String> = emptyList()) {
+            val newPrefix = prefix + page.takeIf { it is JavadocPackagePageNode }?.name.orEmpty()
+            val path = (prefix + when (page) {
+                is AllClassesPage -> listOf("allclasses")
+                is TreeViewPage -> if (page.classes == null)
+                    listOf("overview-tree")
+                else
+                    listOf("package-tree")
+                is ContentPage -> if (page.dri.isNotEmpty() && page.dri.first().classNames != null)
+                    listOfNotNull(page.dri.first().classNames)
+                else if (page is JavadocPackagePageNode)
+                    listOf(page.name, "package-summary")
+                else
+                    listOf("index")
+                else -> emptyList()
+            }).filterNot { it.isEmpty() }
+
+            put(page, path)
+            page.children.forEach { registerPath(it, newPrefix) }
+
+        }
+        put(pageRoot, listOf("index"))
+        pageRoot.children.forEach { registerPath(it) }
+    }
+
+    private val nodeIndex = IdentityHashMap<DRI, PageNode>().apply {
+        fun registerNode(node: PageNode) {
+            if (node is ContentPage) put(node.dri.first(), node)
+
+            node.children.forEach(::registerNode)
+        }
+        registerNode(pageRoot)
+    }
+
+    private operator fun IdentityHashMap<PageNode, List<String>>.get(dri: DRI) = this[nodeIndex[dri]]
+
+    override fun resolve(dri: DRI, sourceSets: List<SourceSetData>, context: PageNode?): String =
+        context?.let { resolve(it, skipExtension = false) } ?: nodeIndex[dri]?.let {
+            resolve(it, skipExtension = true)
+        } ?: with(externalLocationProvider!!) {
+            dri.toLocation()
+        }
+
+    override fun resolve(node: PageNode, context: PageNode?, skipExtension: Boolean): String =
+        pathIndex[node]?.joinToString("/")?.let {
+            if (skipExtension) it.removeSuffix(".html") else it
+        } ?: run {
+            throw IllegalStateException("Path for ${node::class.java.canonicalName}:${node.name} not found")
+        }
+
+    fun resolve(link: LinkJavadocListEntry, dir: String = "", skipExtension: Boolean = true) = pathIndex[link.dri.first()]?.let {
+        when (link.kind) {
+            JavadocContentKind.Class -> it
+            JavadocContentKind.OverviewSummary -> it.dropLast(1) + "index"
+            JavadocContentKind.PackageSummary -> it.dropLast(1) + "package-summary"
+            JavadocContentKind.AllClasses -> it.dropLast(1) + "allclasses"
+            JavadocContentKind.OverviewTree -> it.dropLast(1) + "overview-tree"
+            JavadocContentKind.PackageTree -> it.dropLast(1) + "package-tree"
+            else -> it
+        }
+    }?.joinToString("/")?.let {if (skipExtension) "$it.html" else it}?.let {
+        Paths.get(dir).relativize(Paths.get(it)).toString()
+    } ?: run {throw IllegalStateException("Page for ${link.name} not found")}
+
+    override fun resolveRoot(node: PageNode): String {
+        TODO("Not yet implemented")
+    }
+
+    override fun ancestors(node: PageNode): List<PageNode> {
+        TODO("Not yet implemented")
+    }
+}
\ No newline at end of file
diff --git a/plugins/javadoc/src/main/kotlin/javadoc/JavadocPageCreator.kt b/plugins/javadoc/src/main/kotlin/javadoc/JavadocPageCreator.kt
new file mode 100644
index 00000000..f5ca4bb3
--- /dev/null
+++ b/plugins/javadoc/src/main/kotlin/javadoc/JavadocPageCreator.kt
@@ -0,0 +1,92 @@
+package javadoc
+
+import javadoc.pages.*
+import org.jetbrains.dokka.Platform
+import org.jetbrains.dokka.base.signatures.SignatureProvider
+import org.jetbrains.dokka.base.transformers.pages.comments.CommentsToContentConverter
+import org.jetbrains.dokka.model.*
+import org.jetbrains.dokka.pages.ContentKind
+import org.jetbrains.dokka.utilities.DokkaLogger
+
+open class JavadocPageCreator(
+    commentsToContentConverter: CommentsToContentConverter,
+    signatureProvider: SignatureProvider,
+    val logger: DokkaLogger
+) {
+    fun pageForModule(m: DModule): JavadocModulePageNode =
+        JavadocModulePageNode(
+            m.name.ifEmpty { "root" },
+            contentForModule(m),
+            m.packages.map { pageForPackage(it) },
+            setOf(m.dri)
+        )
+
+    fun pageForPackage(p: DPackage) =
+        JavadocPackagePageNode(p.name, contentForPackage(p), setOf(p.dri), p,
+            p.classlikes.map { pageForClasslike(it) } // TODO: nested classlikes
+        ).also {
+            it
+        }
+
+    fun pageForClasslike(c: DClasslike): JavadocClasslikePageNode {
+        val constructors = when (c) {
+            is DClass -> c.constructors
+            is DEnum -> c.constructors
+            else -> emptyList()
+        }
+
+        return JavadocClasslikePageNode(c.name.orEmpty(), contentForClasslike(c), setOf(c.dri), c, emptyList())
+    }
+
+    fun contentForModule(m: DModule): JavadocContentNode =
+        JavadocContentGroup(
+            setOf(m.dri),
+            JavadocContentKind.OverviewSummary,
+            m.sourceSets.filter { it.platform == Platform.jvm }.toSet()
+        ) {
+            title(m.name, "0.0.1", dri = setOf(m.dri), kind = ContentKind.Main)
+            list("Packages", "Package", setOf(m.dri), ContentKind.Packages, m.packages.map { p ->
+                val doc = p.documentation.entries.find { (k, _) -> k.platform == Platform.jvm }?.value?.let {
+                    it.children.joinToString("\n") { it.root.toString() }
+                }.orEmpty()
+                RowJavadocListEntry(
+                    LinkJavadocListEntry(p.name, setOf(p.dri), JavadocContentKind.PackageSummary, sourceSets),
+                    doc
+                )
+            })
+        }
+
+    fun contentForPackage(p: DPackage): JavadocContentNode =
+        JavadocContentGroup(
+            setOf(p.dri),
+            JavadocContentKind.PackageSummary,
+            p.sourceSets.filter { it.platform == Platform.jvm }.toSet()
+        ) {
+            title(p.name, "0.0.1", dri = setOf(p.dri), kind = ContentKind.Packages)
+            list("Packages", "Package", setOf(p.dri), ContentKind.Packages, p.classlikes.map { c ->
+                val doc = c.documentation.entries.find { (k, _) -> k.platform == Platform.jvm }?.value?.let {
+                    it.children.joinToString("\n") { it.root.toString() }
+                }.orEmpty()
+                RowJavadocListEntry(
+                    LinkJavadocListEntry(c.name.orEmpty(), setOf(c.dri), JavadocContentKind.Class, sourceSets),
+                    doc
+                )
+            })
+        }
+
+    fun contentForClasslike(c: DClasslike): JavadocContentNode =
+        JavadocContentGroup(
+            setOf(c.dri),
+            JavadocContentKind.Class,
+            c.sourceSets.filter { it.platform == Platform.jvm }.toSet()
+        ) {
+            title(
+                c.name.orEmpty(),
+                "0.0.1",
+                parent = c.dri.packageName,
+                dri = setOf(c.dri),
+                kind = JavadocContentKind.Class
+            )
+        }
+}
+
diff --git a/plugins/javadoc/src/main/kotlin/javadoc/JavadocPlugin.kt b/plugins/javadoc/src/main/kotlin/javadoc/JavadocPlugin.kt
new file mode 100644
index 00000000..f58faa49
--- /dev/null
+++ b/plugins/javadoc/src/main/kotlin/javadoc/JavadocPlugin.kt
@@ -0,0 +1,29 @@
+package org.jetbrains.dokka.javadoc
+
+import javadoc.JavadocDocumentableToPageTranslator
+import javadoc.KorteJavadocRenderer
+import org.jetbrains.dokka.CoreExtensions
+import org.jetbrains.dokka.base.DokkaBase
+import org.jetbrains.dokka.plugability.DokkaPlugin
+import org.jetbrains.dokka.plugability.querySingle
+
+class JavadocPlugin : DokkaPlugin() {
+    val dokkaJavadocPlugin by extending {
+        val dokkaBasePlugin = plugin<DokkaBase>()
+        CoreExtensions.renderer providing { ctx ->
+            KorteJavadocRenderer(dokkaBasePlugin.querySingle { outputWriter }, ctx, "views")
+        } applyIf { format == "javadoc" }
+    }
+
+    val pageTranslator by extending {
+        val dokkaBasePlugin = plugin<DokkaBase>()
+        CoreExtensions.documentableToPageTranslator providing { ctx ->
+            JavadocDocumentableToPageTranslator(
+                dokkaBasePlugin.querySingle { commentsToContentConverter },
+                dokkaBasePlugin.querySingle { signatureProvider },
+                ctx.logger
+            )
+        }
+    }
+}
+
diff --git a/plugins/javadoc/src/main/kotlin/javadoc/JavadocRenderer.kt b/plugins/javadoc/src/main/kotlin/javadoc/JavadocRenderer.kt
new file mode 100644
index 00000000..588d89ba
--- /dev/null
+++ b/plugins/javadoc/src/main/kotlin/javadoc/JavadocRenderer.kt
@@ -0,0 +1,28 @@
+package org.jetbrains.dokka.javadoc
+
+//class JavadocRenderer(val outputWriter: OutputWriter, val context: DokkaContext) : Renderer {
+//    override fun render(root: RootPageNode) {
+//        val rootIndex = (root as RootIndexPage)
+//        val instructions = (rootIndex.strategy as RenderingStrategy.Callback).instructions
+//        outputWriter.writeHtml("index", instructions(this, rootIndex)) // TODO get version
+//        rootIndex.children.forEach { renderPages(it) }
+//    }
+//
+//    private fun renderPages(node: PageNode, dir: String = "") {
+//        val path = if (node is JavadocPageNode) node.fullPath else "$dir/${node.name}"
+//        if (node is RendererSpecificPage) {
+//            when (val strategy = node.strategy) {
+//                is RenderingStrategy.Copy -> outputWriter.writeResources(strategy.from, "")
+//                is RenderingStrategy.Write -> outputWriter.writeHtml(path, strategy.text)
+//                is RenderingStrategy.Callback -> outputWriter.writeHtml(path, strategy.instructions(this, node))
+//                RenderingStrategy.DoNothing -> Unit
+//            }
+//        }
+////        else
+////            throw IllegalStateException("${node.name} was not expected here")
+//
+//        node.children.forEach { renderPages(it, path) }
+//    }
+//
+//    private fun OutputWriter.writeHtml(path: String, text: String) = write(path, text, ".html")
+//}
\ No newline at end of file
diff --git a/plugins/javadoc/src/main/kotlin/javadoc/KorteJavadocRenderer.kt b/plugins/javadoc/src/main/kotlin/javadoc/KorteJavadocRenderer.kt
new file mode 100644
index 00000000..ad83968e
--- /dev/null
+++ b/plugins/javadoc/src/main/kotlin/javadoc/KorteJavadocRenderer.kt
@@ -0,0 +1,193 @@
+package javadoc
+
+import com.soywiz.korte.*
+import javadoc.pages.*
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.runBlocking
+import org.jetbrains.dokka.base.renderers.OutputWriter
+import org.jetbrains.dokka.links.DRI
+import org.jetbrains.dokka.pages.PageNode
+import org.jetbrains.dokka.pages.RendererSpecificPage
+import org.jetbrains.dokka.pages.RenderingStrategy
+import org.jetbrains.dokka.pages.RootPageNode
+import org.jetbrains.dokka.plugability.DokkaContext
+import org.jetbrains.dokka.renderers.Renderer
+import java.nio.file.Path
+import java.nio.file.Paths
+import java.time.LocalDate
+
+class KorteJavadocRenderer(val outputWriter: OutputWriter, val context: DokkaContext, val resourceDir: String) :
+    Renderer {
+    private lateinit var locationProvider: JavadocLocationProvider
+
+    override fun render(root: RootPageNode) = root.let { preprocessors.fold(root) { r, t -> t.invoke(r) } }.let { r ->
+        locationProvider = JavadocLocationProvider(r, context)
+        runBlocking(Dispatchers.IO) {
+            renderModulePageNode(r as JavadocModulePageNode)
+        }
+    }
+
+    private fun templateForNode(node: JavadocPageNode) = when (node) {
+        is JavadocClasslikePageNode -> "class.korte"
+        is JavadocPackagePageNode -> "tabPage.korte"
+        is JavadocModulePageNode -> "tabPage.korte"
+        is AllClassesPage -> "listPage.korte"
+        is TreeViewPage -> "treePage.korte"
+        else -> ""
+    }
+
+    private fun CoroutineScope.renderNode(node: PageNode, path: String = "") {
+        if (node is JavadocPageNode) {
+            renderJavadocNode(node)
+        } else if (node is RendererSpecificPage) {
+            renderSpecificPage(node, path)
+        }
+    }
+
+    private fun CoroutineScope.renderModulePageNode(node: JavadocModulePageNode) {
+        val link = "."
+        val name = "index"
+        val pathToRoot = ""
+
+        val contentMap = mapOf(
+            "docName" to "docName", // todo docname
+            "pathToRoot" to pathToRoot
+        ) + node.contentMap
+        writeFromTemplate(outputWriter, "$link/$name".toNormalized(), "tabPage.korte", contentMap.toList())
+        node.children.forEach { renderNode(it, link) }
+    }
+
+    private fun CoroutineScope.renderJavadocNode(node: JavadocPageNode) {
+        val link = locationProvider.resolve(node, skipExtension = true)
+        val dir = Paths.get(link).parent?.let { it.toNormalized() }.orEmpty()
+        val pathToRoot = dir.split("/").joinToString("/") { ".." }.let {
+            if (it.isNotEmpty()) "$it/" else it
+        }
+
+        val contentMap = mapOf(
+            "docName" to "docName", // todo docname
+            "pathToRoot" to pathToRoot,
+            "dir" to dir
+        ) + node.contentMap
+//        DokkaConsoleLogger.info("${node::class.java.canonicalName}::${node.name} - $link")
+        writeFromTemplate(outputWriter, link, templateForNode(node), contentMap.toList())
+        node.children.forEach { renderNode(it, link.toNormalized()) }
+    }
+
+    fun CoroutineScope.renderSpecificPage(node: RendererSpecificPage, path: String) = launch {
+        when (val strategy = node.strategy) {
+            is RenderingStrategy.Copy -> outputWriter.writeResources(strategy.from, "")
+            is RenderingStrategy.Write -> outputWriter.writeHtml(path, strategy.text)
+            is RenderingStrategy.Callback -> outputWriter.writeResources(
+                path,
+                strategy.instructions(this@KorteJavadocRenderer, node)
+            )
+            RenderingStrategy.DoNothing -> Unit
+        }
+    }
+
+    fun Pair<String, String>.pairToTag() = "\n<th class=\"colFirst\" scope=\"row\">${first}</th>\n<td class=\"colLast\">${second}</td>"
+
+    fun LinkJavadocListEntry.toLinkTag(parent: String? = null) =
+        createLinkTag(locationProvider.resolve(dri.first(), sourceSets.toList()).let {
+            if (parent != null) it.relativizePath(parent)
+            else it
+        }, name)
+
+    fun DRI.toLink(context: PageNode? = null) = locationProvider.resolve(this, emptyList(), context)
+
+    fun createLinkTag(address: String, name: String) =
+        address.let { if (it.endsWith(".html")) it else "$it.html" }.let {
+            """<a href="$it">$name</a>"""
+        }
+
+    private fun String.parent() = Paths.get(this).parent.toNormalized()
+    private fun Path.toNormalized() = this.normalize().toFile().toString()
+    private fun String.toNormalized() = Paths.get(this).toNormalized()
+    private fun String.relativizePath(parent: String) = Paths.get(parent).relativize(Paths.get(this)).toNormalized()
+
+    private suspend fun OutputWriter.writeHtml(path: String, text: String) = write(path, text, ".html")
+    private fun CoroutineScope.writeFromTemplate(
+        writer: OutputWriter,
+        path: String,
+        template: String,
+        args: List<Pair<String, *>>
+    ) =
+        launch {
+            val tmp = templateRenderer.render(template, *(args.toTypedArray()))
+            writer.writeHtml(
+                path,
+                tmp
+            )
+        }
+
+    fun getTemplateConfig() = TemplateConfig().also { config ->
+        listOf(
+            TeFunction("curDate") { LocalDate.now() },
+            TeFunction("jQueryVersion") { "3.1" },
+            TeFunction("jQueryMigrateVersion") { "1.2.1" },
+            TeFunction("rowColor") { args -> if ((args.first() as Int) % 2 == 0) "altColor" else "rowColor" },
+            TeFunction("h1Title") { args -> if ((args.first() as? String) == "package") "title=\"Package\" " else "" },
+            TeFunction("createTabRow") { args ->
+                val (link, doc) = args.first() as RowJavadocListEntry
+                val dir = args[1] as String?
+                (createLinkTag(locationProvider.resolve(link, dir.orEmpty()), link.name) to doc).pairToTag().trim()
+            },
+            TeFunction("createListRow") { args ->
+                val link = args.first() as LinkJavadocListEntry
+                val dir = args[1] as String?
+//                link.toLinkTag(dir)
+                createLinkTag(locationProvider.resolve(link, dir.orEmpty()), link.name)
+            },
+            TeFunction("createPackageHierarchy") { args ->
+                val list = args.first() as List<JavadocPackagePageNode>
+                list.mapIndexed { i, p ->
+                    val content = if (i + 1 == list.size) "" else ", "
+                    val name = p.name
+                    "<li><a href=\"$name/package-tree.html\">$name</a>$content</li>"
+                }.joinToString("\n")
+            },
+            TeFunction("renderInheritanceGraph") { args ->
+                val node = args.first() as TreeViewPage.InheritanceNode
+
+                fun drawRec(node: TreeViewPage.InheritanceNode): String =
+                    "<li class=\"circle\">" + node.dri.let { dri ->
+                        listOfNotNull(
+                            dri.packageName,
+                            dri.classNames
+                        ).joinToString(".") + node.interfaces.takeUnless { node.isInterface || it.isEmpty() }
+                            ?.let {
+                                " implements " + it.joinToString(", ") { n ->
+                                    listOfNotNull(
+                                        n.packageName,
+                                        createLinkTag(n.toLink(), n.classNames.orEmpty())
+                                    ).joinToString(".")
+                                }
+                            }.orEmpty()
+                    } + node.children.filterNot { it.isInterface }.takeUnless { it.isEmpty() }?.let {
+                        "<ul>" + it.joinToString("\n", transform = ::drawRec) + "</ul>"
+                    }.orEmpty() + "</li>"
+
+                drawRec(node)
+            },
+            Filter("length") { subject.dynamicLength() }
+        ).forEach {
+            when (it) {
+                is TeFunction -> config.register(it)
+                is Filter -> config.register(it)
+                is Tag -> config.register(it)
+            }
+        }
+    }
+
+    val config = getTemplateConfig()
+    val templateRenderer = Templates(ResourceTemplateProvider(resourceDir), config = config, cache = true)
+
+    class ResourceTemplateProvider(val basePath: String) : TemplateProvider {
+        override suspend fun get(template: String): String =
+            javaClass.classLoader.getResourceAsStream("$basePath/$template")?.bufferedReader()?.lines()?.toArray()
+                ?.joinToString("\n") ?: throw IllegalStateException("Template not found: $basePath/$template")
+    }
+}
\ No newline at end of file
diff --git a/plugins/javadoc/src/main/kotlin/javadoc/pages/JavadocContentNodes.kt b/plugins/javadoc/src/main/kotlin/javadoc/pages/JavadocContentNodes.kt
new file mode 100644
index 00000000..df026be3
--- /dev/null
+++ b/plugins/javadoc/src/main/kotlin/javadoc/pages/JavadocContentNodes.kt
@@ -0,0 +1,163 @@
+package javadoc.pages
+
+import org.jetbrains.dokka.links.DRI
+import org.jetbrains.dokka.model.SourceSetData
+import org.jetbrains.dokka.model.properties.PropertyContainer
+import org.jetbrains.dokka.pages.*
+
+enum class JavadocContentKind : Kind {
+    AllClasses, OverviewSummary, PackageSummary, Class, OverviewTree, PackageTree
+}
+
+abstract class JavadocContentNode(
+    dri: Set<DRI>,
+    kind: Kind,
+    override val sourceSets: Set<SourceSetData>
+) : ContentNode {
+    abstract val contentMap: Map<String, Any?>
+    override val dci: DCI = DCI(dri, kind)
+    override val style: Set<Style> = emptySet()
+    override val extra: PropertyContainer<ContentNode> = PropertyContainer.empty()
+
+    override fun withNewExtras(newExtras: PropertyContainer<ContentNode>): ContentNode = this
+}
+
+interface JavadocListEntry {
+    val stringTag: String
+}
+
+class EmptyNode(
+    dri: DRI,
+    kind: Kind,
+    override val sourceSets: Set<SourceSetData>,
+    override val extra: PropertyContainer<ContentNode> = PropertyContainer.empty()
+) : ContentNode {
+    override val dci: DCI = DCI(setOf(dri), kind)
+    override val style: Set<Style> = emptySet()
+
+    override fun withNewExtras(newExtras: PropertyContainer<ContentNode>): ContentNode =
+        EmptyNode(dci.dri.first(), dci.kind, sourceSets, newExtras)
+}
+
+class JavadocContentGroup(
+    val dri: Set<DRI>,
+    val kind: Kind,
+    sourceSets: Set<SourceSetData>,
+    val children: List<JavadocContentNode>
+) : JavadocContentNode(dri, kind, sourceSets) {
+    override val contentMap: Map<String, Any?> by lazy { children.fold(emptyMap<String, Any?>()) { m, cv -> m + cv.contentMap } }
+
+    companion object {
+        operator fun invoke(
+            dri: Set<DRI>,
+            kind: Kind,
+            sourceSets: Set<SourceSetData>,
+            block: JavaContentGroupBuilder.() -> Unit
+        ): JavadocContentGroup =
+            JavadocContentGroup(dri, kind, sourceSets, JavaContentGroupBuilder(sourceSets).apply(block).list)
+    }
+}
+
+class JavaContentGroupBuilder(val sourceSets: Set<SourceSetData>) {
+    val list = mutableListOf<JavadocContentNode>()
+}
+
+class TitleNode(
+    val title: String,
+    val version: String,
+    val parent: String?,
+    val dri: Set<DRI>,
+    val kind: Kind,
+    sourceSets: Set<SourceSetData>
+) : JavadocContentNode(dri, kind, sourceSets) {
+
+    override val contentMap: Map<String, Any?> by lazy {
+        mapOf(
+            "title" to title,
+            "version" to version,
+            "packageName" to parent
+        )
+    }
+
+//    override fun withNewExtras(newExtras: PropertyContainer<ContentNode>): ContentNode = TODO()
+}
+
+fun JavaContentGroupBuilder.title(
+    title: String,
+    version: String,
+    parent: String? = null,
+    dri: Set<DRI>,
+    kind: Kind
+) {
+    list.add(TitleNode(title, version, parent, dri, kind, sourceSets))
+}
+
+class ListNode(
+    val tabTitle: String,
+    val colTitle: String,
+    val children: List<JavadocListEntry>,
+    val dri: Set<DRI>,
+    val kind: Kind,
+    sourceSets: Set<SourceSetData>
+) : JavadocContentNode(dri, kind, sourceSets) {
+    override val contentMap: Map<String, Any?> by lazy {
+        mapOf(
+            "tabTitle" to tabTitle,
+            "colTitle" to colTitle,
+            "list" to children
+        )
+    }
+}
+
+fun JavaContentGroupBuilder.list(
+    tabTitle: String,
+    colTitle: String,
+    dri: Set<DRI>,
+    kind: Kind,
+    children: List<JavadocListEntry>
+) {
+    list.add(ListNode(tabTitle, colTitle, children, dri, kind, sourceSets))
+}
+
+data class SimpleJavadocListEntry(val content: String) : JavadocListEntry {
+    override val stringTag: String = content
+}
+
+class LinkJavadocListEntry(
+    val name: String,
+    val dri: Set<DRI>,
+    val kind: Kind = ContentKind.Symbol,
+    val sourceSets: Set<SourceSetData>
+) :
+    JavadocListEntry {
+    override val stringTag: String
+        get() = if (builtString == null)
+            throw IllegalStateException("stringTag for LinkJavadocListEntry accessed before build() call")
+        else builtString!!
+
+    private var builtString: String? = null
+
+    fun build(body: (String, Set<DRI>, Kind, List<SourceSetData>) -> String) {
+        builtString = body(name, dri, kind, sourceSets.toList())
+    }
+}
+
+data class RowJavadocListEntry(val link: LinkJavadocListEntry, val doc: String) : JavadocListEntry {
+    override val stringTag: String = ""
+}
+
+data class CompoundJavadocListEntry(
+    val name: String,
+    val content: List<JavadocListEntry>
+) : JavadocListEntry {
+    override val stringTag: String
+        get() = if (builtString == null)
+            throw IllegalStateException("stringTag for CompoundJavadocListEntry accessed before build() call")
+        else builtString!!
+
+    private var builtString: String? = null
+
+    fun build(body: (List<JavadocListEntry>) -> String) {
+        builtString = body(content)
+    }
+}
\ No newline at end of file
diff --git a/plugins/javadoc/src/main/kotlin/javadoc/pages/JavadocPageNodes.kt b/plugins/javadoc/src/main/kotlin/javadoc/pages/JavadocPageNodes.kt
new file mode 100644
index 00000000..b73b2b36
--- /dev/null
+++ b/plugins/javadoc/src/main/kotlin/javadoc/pages/JavadocPageNodes.kt
@@ -0,0 +1,328 @@
+package javadoc.pages
+
+import com.intellij.psi.PsiClass
+import com.intellij.psi.PsiType
+import org.jetbrains.dokka.Platform
+import org.jetbrains.dokka.base.renderers.platforms
+import org.jetbrains.dokka.links.DRI
+import org.jetbrains.dokka.model.*
+import org.jetbrains.dokka.pages.*
+import org.jetbrains.kotlin.descriptors.ClassDescriptor
+import org.jetbrains.kotlin.descriptors.ClassKind
+import org.jetbrains.kotlin.resolve.DescriptorUtils.getClassDescriptorForType
+
+interface JavadocPageNode : ContentPage {
+    val contentMap: Map<String, Any?>
+}
+
+class JavadocModulePageNode(
+    override val name: String, override val content: JavadocContentNode, override val children: List<PageNode>,
+    override val dri: Set<DRI>
+) :
+    RootPageNode(),
+    JavadocPageNode {
+    override val contentMap: Map<String, Any?> by lazy { mapOf("kind" to "main") + content.contentMap }
+
+    val version: String = "0.0.1"
+    val pathToRoot: String = ""
+
+    override val documentable: Documentable? = null
+    override val embeddedResources: List<String> = emptyList()
+    override fun modified(name: String, ch: List<PageNode>): RootPageNode =
+        JavadocModulePageNode(name, content, ch, dri)
+
+    override fun modified(
+        name: String,
+        content: ContentNode,
+        dri: Set<DRI>,
+        embeddedResources: List<String>,
+        ch: List<PageNode>
+    ): ContentPage = JavadocModulePageNode(name, content as JavadocContentNode, ch, dri)
+}
+
+class JavadocPackagePageNode(
+    override val name: String,
+    override val content: JavadocContentNode,
+    override val dri: Set<DRI>,
+
+    override val documentable: Documentable? = null,
+    override val children: List<PageNode> = emptyList(),
+    override val embeddedResources: List<String> = listOf()
+) : JavadocPageNode {
+    override val contentMap: Map<String, Any?> by lazy { mapOf("kind" to "package") + content.contentMap }
+    override fun modified(
+        name: String,
+        ch: List<PageNode>
+    ): PageNode = JavadocPackagePageNode(
+        name,
+        content,
+        dri,
+        documentable,
+        ch,
+        embeddedResources
+    )
+
+    override fun modified(
+        name: String,
+        content: ContentNode,
+        dri: Set<DRI>,
+        embeddedResources: List<String>,
+        ch: List<PageNode>
+    ): ContentPage =
+        JavadocPackagePageNode(
+            name,
+            content as JavadocContentNode,
+            dri,
+            documentable,
+            ch,
+            embeddedResources
+        )
+}
+
+class JavadocClasslikePageNode(
+    override val name: String,
+    override val content: JavadocContentNode,
+    override val dri: Set<DRI>,
+
+    override val documentable: Documentable? = null,
+    override val children: List<PageNode> = emptyList(),
+    override val embeddedResources: List<String> = listOf()
+) : JavadocPageNode {
+    override val contentMap: Map<String, Any?> by lazy { mapOf("kind" to "class") + content.contentMap }
+    override fun modified(
+        name: String,
+        children: List<PageNode>
+    ): PageNode = JavadocClasslikePageNode(name, content, dri, documentable, children, embeddedResources)
+
+    override fun modified(
+        name: String,
+        content: ContentNode,
+        dri: Set<DRI>,
+        embeddedResources: List<String>,
+        children: List<PageNode>
+    ): ContentPage =
+        JavadocClasslikePageNode(name, content as JavadocContentNode, dri, documentable, children, embeddedResources)
+}
+
+class AllClassesPage(val classes: List<JavadocClasslikePageNode>) : JavadocPageNode {
+    val classEntries = classes.map { LinkJavadocListEntry(it.name, it.dri, ContentKind.Classlikes, it.platforms().toSet()) }
+
+    override val contentMap: Map<String, Any?> = mapOf(
+        "title" to "All Classes",
+        "list" to classEntries
+    )
+
+    override val name: String = "All Classes"
+    override val dri: Set<DRI> = setOf(DRI.topLevel)
+
+    override val documentable: Documentable? = null
+    override val embeddedResources: List<String> = emptyList()
+
+    override val content: ContentNode =
+        EmptyNode(
+            DRI.topLevel,
+            ContentKind.Classlikes,
+            classes.flatMap { it.platforms() }.toSet()
+        )
+
+    override fun modified(
+        name: String,
+        content: ContentNode,
+        dri: Set<DRI>,
+        embeddedResources: List<String>,
+        children: List<PageNode>
+    ): ContentPage = TODO()
+
+    override fun modified(name: String, children: List<PageNode>): PageNode =
+        TODO()
+
+    override val children: List<PageNode> = emptyList()
+
+}
+
+class TreeViewPage(
+    override val name: String,
+    val packages: List<JavadocPackagePageNode>?,
+    val classes: List<JavadocClasslikePageNode>?,
+    override val dri: Set<DRI>,
+    override val documentable: Documentable?,
+    val root: RootPageNode
+) : JavadocPageNode {
+    init {
+        assert(packages == null || classes == null)