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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003-2006, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
// $Id$
package scala.xml
import compat.StringBuilder
/** A hack to group XML nodes in one node for output.
*
* @author Burak Emir
* @version 1.0
*/
[serializable]
case class Group(val nodes: Seq[Node]) extends Node {
override def theSeq = nodes
/** structural equality */
override def equals(x: Any) = x match {
case z:Node => (length == 1) && z == apply(0)
case z:Seq[Node] => sameElements(z)
case z:String => text == z
case _ => false;
}
/** always null */
final def label =
error("class Group does not support method 'label'")
/** always empty */
final override def attributes =
error("class Group does not support method 'attributes'")
/** always null */
final override def namespace =
error("class Group does not support method 'namespace'")
/** always empty */
final override def child =
error("class Group does not support method 'child'")
/** returns text, with some characters escaped according to XML spec */
def toString(sb: StringBuilder) =
error("class Group does not support method toString(StringBuilder)")
override def text = { // same impl as NodeSeq
val sb = new StringBuilder()
val it = elements
while (it.hasNext)
sb.append(it.next.text)
sb.toString()
}
}
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