scala.xml.ProcInstr.scala Maven / Gradle / Ivy
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/*
* Scala (https://www.scala-lang.org)
*
* Copyright EPFL and Lightbend, Inc.
*
* Licensed under Apache License 2.0
* (http://www.apache.org/licenses/LICENSE-2.0).
*
* See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*/
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 "?>"
*/
// Note: used by the Scala compiler.
case class ProcInstr(target: String, proctext: String) extends SpecialNode {
if (!Utility.isName(target))
throw new IllegalArgumentException(s"$target must be an XML Name")
if (proctext.contains("?>"))
throw new IllegalArgumentException(s"""$proctext may not contain "?>"""")
if (target.toLowerCase == "xml")
throw new IllegalArgumentException(s"$target is reserved")
final override def doCollectNamespaces: Boolean = false
final override def doTransform: Boolean = false
final override def label: String = "#PI"
override def text: String = ""
/**
* appends "<?" target (" "+text)?+"?>"
* to this stringbuffer.
*/
override def buildString(sb: StringBuilder): StringBuilder =
sb.append(s"")
}