1 files changed, 72 insertions, 0 deletions
diff --git a/sbt-bridge/src/main/scala/xsbt/ScaladocInterface.scala b/sbt-bridge/src/main/scala/xsbt/ScaladocInterface.scala
new file mode 100644
index 000000000..3ad9c7941
--- /dev/null
+++ b/sbt-bridge/src/main/scala/xsbt/ScaladocInterface.scala
@@ -0,0 +1,72 @@
+/* sbt -- Simple Build Tool
+ * Copyright 2008, 2009 Mark Harrah
+ */
+package xsbt
+
+import xsbti.Logger
+import dotty.tools.dottydoc.api.scala.Dottydoc
+import java.net.URL
+
+class ScaladocInterface {
+  def run(args: Array[String], log: Logger, delegate: xsbti.Reporter) =
+    (new DottydocRunner(args, log, delegate)).run()
+}
+
+class DottydocRunner(args: Array[String], log: Logger, delegate: xsbti.Reporter) extends Dottydoc {
+  def run(): Unit = getOutputFolder(args).map { outputFolder =>
+    val index     = createIndex(args)
+    val resources = getResources(args)
+    val template  = getTemplate(resources)
+
+    template.fold(writeJson(index, outputFolder)) { tpl =>
+      buildDocs(outputFolder, tpl, resources, index)
+    }
+  } getOrElse {
+    delegate.log(
+      NoPosition,
+      "No output folder set for API documentation (\"-d\" parameter should be passed to the documentation tool)",
+      xsbti.Severity.Error
+    )
+  }
+
+  private[this] val NoPosition = new xsbti.Position {
+    val line = xsbti.Maybe.nothing[Integer]
+    val lineContent = ""
+    val offset = xsbti.Maybe.nothing[Integer]
+    val sourcePath = xsbti.Maybe.nothing[String]
+    val sourceFile = xsbti.Maybe.nothing[java.io.File]
+    val pointer = xsbti.Maybe.nothing[Integer]
+    val pointerSpace = xsbti.Maybe.nothing[String]
+  }
+
+  private def getStringSetting(name: String): Option[String] =
+    args find (_.startsWith(name)) map (_.drop(name.length))
+
+  private def getOutputFolder(args: Array[String]): Option[String] =
+    args sliding(2) find { case Array(x, _) => x == "-d" } map (_.tail.head.trim)
+
+  private def getTemplate(resources: List[URL]): Option[URL] =
+    resources.find(_.getFile.endsWith("template.html"))
+
+  private def getResources(args: Array[String]): List[URL] = {
+    val cp = args sliding (2) find { case Array(x, _) => x == "-classpath" } map (_.tail.head.trim) getOrElse ""
+
+    cp.split(":").find(_.endsWith("dottydoc-client.jar")).map { resourceJar =>
+      import java.util.jar.JarFile
+      val jarEntries = (new JarFile(resourceJar)).entries
+      var entries: List[URL] = Nil
+
+      while (jarEntries.hasMoreElements) {
+        val entry = jarEntries.nextElement()
+
+        if (!entry.isDirectory()) {
+          val path = s"jar:file:$resourceJar!/${entry.getName}"
+          val url  = new URL(path)
+          entries = url :: entries
+        }
+      }
+
+      entries
+    } getOrElse (Nil)
+  }
+}