net.sf.joost.grammar
Class ReversableTree

java.lang.Object
  net.sf.joost.grammar.Tree
      net.sf.joost.grammar.ReversableTree

Direct Known Subclasses:

ChildTree, DdotTree, DescTree, DotTree

public abstract class ReversableTree

extends Tree

A ReversableTree object can be reconstructed by reversing its associativity.

Version:

$Revision: 2.1 $ $Date: 2004/09/29 05:59:50 $

Author:

Oliver Becker

Field Summary

Fields inherited from class net.sf.joost.grammar.Tree

ADD, AND, ATTR, ATTR_LOCAL_WILDCARD, ATTR_URI_WILDCARD, ATTR_WILDCARD, AVT, CDATA_TEST, CHILD, COMMENT_TEST, DDOT, DESC, DIV, DOT, EQ, FUNCTION, GE, GT, LE, left, LIST, lName, LOCAL_WILDCARD, LT, MOD, MULT, NAME_TEST, NE, NODE_TEST, NUMBER, OR, PI_TEST, PREDICATE, right, ROOT, SEQ, STRING, SUB, TEXT_TEST, type, UNION, uri, URI_WILDCARD, value, VALUE, VAR, WILDCARD

Constructor Summary

ReversableTree(int type)

ReversableTree(int type, Tree left, Tree right)

Method Summary

Tree	reverseAssociativity() Transforms a location path by reversing the associativity of the path operators / and //

Methods inherited from class net.sf.joost.grammar.Tree

evaluate, evaluate, getPriority, matches, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ReversableTree

public ReversableTree(int type)

ReversableTree

public ReversableTree(int type,
                      Tree left,
                      Tree right)

Method Detail

reverseAssociativity

public Tree reverseAssociativity()

Transforms a location path by reversing the associativity of the path operators / and //

Overrides:

reverseAssociativity in class Tree

Returns:

the new root