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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003-2007, 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:Group => (length == z.length) && sameElements(z)
case z:Node => (length == 1) && z == apply(0)
case z:Seq[_] => sameElements(z)
case z:String => text == z
case _ => false
}
/**
* @throws Predef.UnsupportedOperationException (always)
*/
final def label =
throw new UnsupportedOperationException("class Group does not support method 'label'")
/**
* @throws Predef.UnsupportedOperationException (always)
*/
final override def attributes =
throw new UnsupportedOperationException("class Group does not support method 'attributes'")
/**
* @throws Predef.UnsupportedOperationException (always)
*/
final override def namespace =
throw new UnsupportedOperationException("class Group does not support method 'namespace'")
/**
* @throws Predef.UnsupportedOperationException (always)
*/
final override def child =
throw new UnsupportedOperationException("class Group does not support method 'child'")
/**
* @throws Predef.UnsupportedOperationException (always)
*/
def toString(sb: StringBuilder) =
throw new UnsupportedOperationException(
"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()
}
}
|
