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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2002-2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala.xml
/** Unprefixed attributes have the null namespace, and no prefix field
*
* @author Burak Emir
*/
class UnprefixedAttribute(
val key: String,
val value: Seq[Node],
next1: MetaData)
extends Attribute
{
final val pre = null
val next = if (value ne null) next1 else next1.remove(key)
/** same as this(key, Text(value), next), or no attribute if value is null */
def this(key: String, value: String, next: MetaData) =
this(key, if (value ne null) Text(value) else null: NodeSeq, next)
/** same as this(key, value.get, next), or no attribute if value is None */
def this(key: String, value: Option[Seq[Node]], next: MetaData) =
this(key, value.orNull, next)
/** returns a copy of this unprefixed attribute with the given next field*/
def copy(next: MetaData) = new UnprefixedAttribute(key, value, next)
final def getNamespace(owner: Node): String = null
/**
* Gets value of unqualified (unprefixed) attribute with given key, null if not found
*
* @param key
* @return value as Seq[Node] if key is found, null otherwise
*/
def apply(key: String): Seq[Node] =
if (key == this.key) value else next(key)
/**
* Forwards the call to next (because caller looks for prefixed attribute).
*
* @param namespace
* @param scope
* @param key
* @return ..
*/
def apply(namespace: String, scope: NamespaceBinding, key: String): Seq[Node] =
next(namespace, scope, key)
}
object UnprefixedAttribute {
def unapply(x: UnprefixedAttribute) = Some((x.key, x.value, x.next))
}
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