From 26801b88cd3dd0bf6e0af638086254e43065d9c6 Mon Sep 17 00:00:00 2001 From: buraq Date: Mon, 3 Nov 2003 15:21:37 +0000 Subject: XPath expression --- sources/scala/xml/path/Expression.scala | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 sources/scala/xml/path/Expression.scala (limited to 'sources') diff --git a/sources/scala/xml/path/Expression.scala b/sources/scala/xml/path/Expression.scala new file mode 100644 index 0000000000..4fec113a9b --- /dev/null +++ b/sources/scala/xml/path/Expression.scala @@ -0,0 +1,30 @@ +package scala.xml.path; + +import scala.xml.Element ; + +object Expression { + def evaluate(expr:Expression):List[Element] = { + Nil; // to do + } +} + +abstract class Expression ; + +case class Node[T<:Element]( conds:Condition* ) extends Expression { + type t = T; + + def test( x:Element ):boolean = { + x.isInstanceOf[t]; + } +}; + +case class Attribute( name:String ) extends Expression; + +case object Wildcard extends Expression; + +case object Descendant extends Expression; + +abstract class Condition ; + +case class Present(attr:Attribute) extends Condition; +case class Equals(attr:Attribute, str:String) extends Condition; -- cgit v1.2.3