scala.xml.transform.RuleTransformer.scala Maven / Gradle / Ivy
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/*
* Scala (https://www.scala-lang.org)
*
* Copyright EPFL and Lightbend, Inc.
*
* Licensed under Apache License 2.0
* (http://www.apache.org/licenses/LICENSE-2.0).
*
* See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*/
package scala
package xml
package transform
import scala.collection.Seq
class RuleTransformer(rules: RewriteRule*) extends BasicTransformer {
private val transformers: Seq[NestingTransformer] = rules.map(new NestingTransformer(_))
override def transform(n: Node): Seq[Node] =
if (transformers.isEmpty) n
else transformers.tail.foldLeft(transformers.head.transform(n)) { (res, transformer) => transformer.transform(res) }
}