twml-pompostprocess-impl

pomPostProcess := { input: Node =>
  new RuleTransformer(new RewriteRule {

    override def transform(node: Node): NodeSeq = node match {
      case e: Elem if e.label == "dependency" && isGeneratorDependency(findChild(e, "groupId"), findChild(e, "artifactId")) =>
        def txt(label: String): String = "\"" + e.child.filter(_.label == label).flatMap(_.text).mkString + "\""
        Comment(s""" Generator dependency ${txt("groupId")} % ${txt("artifactId")} % ${txt("version")} has been omitted """)
      case _ => node
    }

    def isGeneratorDependency(organization: Option[Node], name: Option[Node]): Boolean = {
      (for {
        o <- organization
        n <- name
        v = generatorDependencies.exists(d => d.organization == o.text && (d.name == n.text || s"${d.name}_$scalaBinaryVersion" == n.text))
      } yield v).getOrElse(false)
    }

    def findChild(e: Elem, lbl: String): Option[Node] = {
      e.child.find(_.label == lbl)
    }

  }).transform(input).head
}