scala.xml.ProcInstr.scala Maven / Gradle / Ivy
/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003-2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala
package xml
/**
* an XML node for processing instructions (PI)
*
* @author Burak Emir
* @param target target name of this PI
* @param proctext text contained in this node, may not contain "?>"
*/
case class ProcInstr(target: String, proctext: String) extends SpecialNode {
if (!Utility.isName(target))
throw new IllegalArgumentException(target + " must be an XML Name")
if (proctext contains "?>")
throw new IllegalArgumentException(proctext + " may not contain \"?>\"")
if (target.toLowerCase == "xml")
throw new IllegalArgumentException(target + " is reserved")
final override def doCollectNamespaces = false
final override def doTransform = false
final def label = "#PI"
override def text = ""
/**
* appends "<?" target (" "+text)?+"?>"
* to this stringbuffer.
*/
override def buildString(sb: StringBuilder) =
sb append "".format(target, (if (proctext == "") "" else " " + proctext))
}