1 files changed, 53 insertions, 0 deletions
diff --git a/doc-tool/src/dotty/tools/dottydoc/staticsite/Template.scala b/doc-tool/src/dotty/tools/dottydoc/staticsite/Template.scala
new file mode 100644
index 000000000..00d51f083
--- /dev/null
+++ b/doc-tool/src/dotty/tools/dottydoc/staticsite/Template.scala
@@ -0,0 +1,53 @@
+package dotty.tools
+package dottydoc
+package staticsite
+
+import scala.util.control.NonFatal
+import dotc.util.SourceFile
+
+trait Template {
+  def path: String
+  def content: SourceFile
+  def show: String = new String(content.content)
+}
+
+case class TemplateRenderingError(path: String, ex: Throwable)
+extends Exception(s"error rendering $path, $ex")
+
+case class Layout(path: String, content: SourceFile) extends Template
+
+case class Include(path: String, content: SourceFile) extends Template
+
+case class LiquidTemplate(path: String, content: String) extends ResourceFinder {
+  import scala.collection.JavaConverters._
+  import liqp.Template
+  import liqp.filters.Filter
+  import liqp.parser.Flavor.JEKYLL
+  import java.util.{ HashMap, Map => JMap }
+  import filters._
+  import tags._
+
+  /** Register filters to static container */
+  Filter.registerFilter(new Reverse)
+  Filter.registerFilter(new First)
+
+  // For some reason, liqp rejects a straight conversion using `.asJava`
+  private def toJavaMap(map: Map[String, AnyRef]): HashMap[String, Object] =
+    map.foldLeft(new HashMap[String, Object]()) { case (map, (k, v)) =>
+      map.put(k, v)
+      map
+    }
+
+  def render(params: Map[String, AnyRef], includes: Map[String, Include]): String =
+    try {
+      Template.parse(content, JEKYLL)
+        .`with`(ResourceInclude(params, includes))
+        .`with`(RenderReference(params))
+        .`with`(RenderTitle(params))
+        .`with`(Docstring(params))
+        .render(toJavaMap(params))
+    } catch {
+      case NonFatal(ex) =>
+        throw TemplateRenderingError(path, ex)
+    }
+}