DynamicXML.scala

package example.dynamicxml

import language.dynamics

class DynamicXML(x: scala.xml.NodeSeq, attributeMode: Boolean = false) extends Dynamic {
  def selectDynamic(name: String) = { 
    if (attributeMode) {
      println(s"... selecting attribute $name")
      new DynamicXML(x \ (s"@$name"))
    } else {
      println(s"... selecting element $name")
      new DynamicXML(x \ name)
    }
  }
  
  def applyDynamic(name: String)(value: String) = {
    assert(!attributeMode)
    println(s"... applying  $name with value $value")
    (x \ name \ (s"@$value")).text
  }
  
  def getXml = {
    println("... calling getXml")
    x
  }
  
  def text = {
    println("... calling text")
    x.text
  }
  
  def @@ = {
    assert(!attributeMode)
    println("... calling @@")
    new DynamicXML(x, true)  
  
  }
  
  def attribute = {
    assert(!attributeMode)
    println("... calling attribute")
    new DynamicXML(x, true)  
  
  }
  
}

object DynamicXML {
  implicit def apply(x: scala.xml.NodeSeq) = new DynamicXML(x)
  
}