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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2003-2009, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
// $Id$
package scala.xml
/** Attribute defines the interface shared by both
* PrefixedAttribute and UnprefixedAttribute
*/
object Attribute {
def unapply(x: Attribute) = x match {
case PrefixedAttribute(_, key, value, next) => Some(key, value, next)
case UnprefixedAttribute(key, value, next) => Some(key, value, next)
case _ => None
}
/** Convenience functions which choose Un/Prefixedness appropriately */
def apply(key: String, value: Seq[Node], next: MetaData): Attribute =
new UnprefixedAttribute(key, value, next)
def apply(pre: String, key: String, value: String, next: MetaData): Attribute =
if (pre == null || pre == "") new UnprefixedAttribute(key, value, next)
else new PrefixedAttribute(pre, key, value, next)
def apply(pre: String, key: String, value: Seq[Node], next: MetaData): Attribute =
if (pre == null || pre == "") new UnprefixedAttribute(key, value, next)
else new PrefixedAttribute(pre, key, value, next)
def apply(pre: Option[String], key: String, value: Seq[Node], next: MetaData): Attribute =
pre match {
case None => new UnprefixedAttribute(key, value, next)
case Some(p) => new PrefixedAttribute(p, key, value, next)
}
}
abstract trait Attribute extends MetaData
{
val key: String
val value: Seq[Node]
val next: MetaData
def apply(key: String): Seq[Node]
def apply(namespace: String, scope: NamespaceBinding, key: String): Seq[Node]
def copy(next: MetaData): Attribute
def remove(key: String): MetaData
def remove(namespace: String, scope: NamespaceBinding, key: String): MetaData
def isPrefixed: Boolean
def getNamespace(owner: Node): String
def wellformed(scope: NamespaceBinding): Boolean
def equals1(m: MetaData): Boolean
def toString1(sb: StringBuilder): Unit
}
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