cvs commit: xml-xalan/java/src/org/apache/xpath/axes ReverseAxesWalker.java

[sboag]

sboag       00/12/08 19:50:46

  Modified:    java/src/org/apache/xpath/axes ReverseAxesWalker.java
  Log:
  Put defensive code in for negative predicate index.
  
  Revision  Changes    Path
  1.4       +6 -1      
xml-xalan/java/src/org/apache/xpath/axes/ReverseAxesWalker.java
  
  Index: ReverseAxesWalker.java
  ===================================================================
  RCS file: 
/home/cvs/xml-xalan/java/src/org/apache/xpath/axes/ReverseAxesWalker.java,v
  retrieving revision 1.3
  retrieving revision 1.4
  diff -u -r1.3 -r1.4
  --- ReverseAxesWalker.java    2000/11/13 16:27:30     1.3
  +++ ReverseAxesWalker.java    2000/12/09 03:50:46     1.4
  @@ -119,7 +119,12 @@
      */
     protected int getProximityPosition(int predicateIndex)
     {
  -
  +    // A negative predicate index seems to occur with
  +    // 
(preceding-sibling::*|following-sibling::*)/ancestor::*[position()]/*[position()]
  +    // -sb
  +    if(predicateIndex < 0)
  +      return -1;
  +      
       if (m_proximityPositions[predicateIndex] <= 0)
       {
         AxesWalker savedWalker = m_lpi.getLastUsedWalker();