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Standard library for the Scala Programming Language
/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2002-2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala.xml
package factory
import parsing.ValidatingMarkupHandler
/**
* @author Burak Emir
*/
abstract class Binder(val preserveWS: Boolean) extends ValidatingMarkupHandler {
var result: NodeBuffer = new NodeBuffer()
def reportSyntaxError(pos:Int, str:String) = {}
final def procInstr(pos: Int, target: String, txt: String) =
ProcInstr(target, txt)
final def comment(pos: Int, txt: String) =
Comment(txt)
final def entityRef(pos: Int, n: String) =
EntityRef(n)
final def text(pos: Int, txt: String) =
Text(txt)
final def traverse(n:Node): Unit = n match {
case x:ProcInstr =>
result &+ procInstr(0, x.target, x.text)
case x:Comment =>
result &+ comment(0, x.text)
case x:Text =>
result &+ text(0, x.data)
case x:EntityRef =>
result &+ entityRef(0, x.entityName)
case x:Elem =>
elemStart(0, x.prefix, x.label, x.attributes, x.scope)
val old = result
result = new NodeBuffer()
for (m <- x.child) traverse(m)
result = old &+ elem(0, x.prefix, x.label, x.attributes, x.scope, x.minimizeEmpty, NodeSeq.fromSeq(result)).toList;
elemEnd(0, x.prefix, x.label)
}
final def validate(n: Node): Node = {
this.rootLabel = n.label
traverse(n)
result(0)
}
}