Add Scalatex plugin

1 files changed, 77 insertions, 0 deletions

diff --git a/stage2/plugins/Scalatex.scala b/stage2/plugins/Scalatex.scala
new file mode 100644
index 0000000..6276332
--- /dev/null
+++ b/stage2/plugins/Scalatex.scala
@@ -0,0 +1,77 @@
+package cbt
+import java.io.File
+import java.nio.file.Files
+trait Scalatex extends BaseBuild {
+  override def dependencies = super.dependencies :+ libraries.cbt.scalatex
+
+  def scalatex = (
+    Scalatex.apply(
+      lib,
+      Math.max( context.cbtLastModified, ( dependencies ++ context.parentBuild ).map( _.lastModified ).max )
+    )
+    .config(
+      lib.autoRelative(
+        lib.sourceFiles( sources, _.string endsWith ".scalatex" )
+          ++ projectDirectory.listFiles.toVector.filter( _.toString.endsWith( ".scalatex" ) )
+      ).map {
+          case ( file, name ) => file -> name.stripPrefix( File.separator ).stripSuffix( ".scalatex" )
+        },
+      lib.autoRelative( Seq( projectDirectory / "static" ) ),
+      target / "html",
+      projectDirectory / "src_generated" / "scalatex",
+      dependencyClasspath
+    )
+  )
+}
+/** @param htmlTarget directory where the html files are generated
+  */
+object Scalatex {
+  case class apply(
+    lib: Lib, parentsLastModified: Long
+  )(
+    implicit
+    logger: Logger, transientCache: java.util.Map[AnyRef, AnyRef], classLoaderCache: cbt.ClassLoaderCache
+  ) {
+    case class config(
+      scalatexFiles:       Seq[( File, String )],
+      staticFiles:         Seq[( File, String )],
+      htmlTarget:          File,
+      srcGenerated:        File,
+      dependencyClasspath: ClassPath,
+      transform:           String                = "cbt.plugins.scalatex.runtime.layout", // function String => String
+      linkStaticFile:      Boolean               = true,
+      `package`:           String                = "cbt.plugins.scalatex.runtime"
+    ) {
+      def apply = {
+        staticFiles.map {
+          case ( file, relative ) => file -> htmlTarget / relative
+        }.collect {
+          case ( from, to ) if from.isDirectory                => to.mkdirs
+          case ( from, to ) if !from.isDirectory && !to.exists => Files.createLink( to.toPath, from.toPath )
+        }
+        lib.cached(
+          srcGenerated,
+          ( parentsLastModified +: scalatexFiles.map( _._1 ).map( _.lastModified ) ).max
+        ) { () =>
+          lib.writeIfChanged(
+            srcGenerated / "ScalatexGenerated.scala",
+            s"""// Last generated at ${java.time.ZonedDateTime.now}
+package ${`package`}
+object ScalatexGenerate extends cbt.plugins.scalatex.runtime.AbstractMain{
+  def dependencyClasspath: Seq[java.io.File] = Seq(
+    ${dependencyClasspath.files.map( _.quote ).mkString( ",\n    " )}
+  )
+  def htmlTarget = ${htmlTarget.quote}
+  import scalatags.Text.all._
+  def files = Seq[(String, scalatags.Text.all.SeqFrag[scalatags.Text.all.Frag])](
+    ${scalatexFiles.map { case ( from, to ) => s"${to.quote} -> scalatex.twf(${from.string.quote})" }.mkString( ",\n    " )}
+  )
+  def render: scalatags.Text.all.SeqFrag[scalatags.Text.all.Frag] => String => String = $transform
+}
+""".trim ++ "\n"
+          )
+        }
+      }
+    }
+  }
+}