sboag 00/12/27 14:23:34
Modified: java/src/org/apache/xpath Expression.java
Log:
Add canTraverseOutsideSubtree method, which will be part of
the infrastructure for being able to prune used source tree nodes,
when possible.
Revision Changes Path
1.12 +11 -0 xml-xalan/java/src/org/apache/xpath/Expression.java
Index: Expression.java
===================================================================
RCS file: /home/cvs/xml-xalan/java/src/org/apache/xpath/Expression.java,v
retrieving revision 1.11
retrieving revision 1.12
diff -u -r1.11 -r1.12
--- Expression.java 2000/12/18 00:04:53 1.11
+++ Expression.java 2000/12/27 22:23:34 1.12
@@ -89,6 +89,17 @@
* messages. May be null.
*/
protected SourceLocator m_slocator;
+
+ /**
+ * Tell if this expression or it's subexpressions can traverse outside
+ * the current subtree.
+ *
+ * @return true if traversal outside the context node's subtree can occur.
+ */
+ public boolean canTraverseOutsideSubtree()
+ {
+ return false;
+ }
/**
* Set the location where this expression was built from.
