Examples of org.apache.xpath.objects.XObject

org.apache.xpath.objects.XObject
This class represents an XPath object, and is capable of converting the object to various types, such as a string. This class acts as the base class to other XPath type objects, such as XString, and provides polymorphic casting capabilities. @xsl.usage general

          Node contextNode, String str, Node namespaceNode)
            throws TransformerException
  {


    // Execute the XPath, and have it return the result
    XObject list = eval(contextNode, str, namespaceNode);


    // Return a NodeList.
    return list.nodelist();
  }

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    {
      xctxt.pushCurrentNode(n);
      for (int i = 0; i < m_nodeTests.length; i++)
      {
        PredicatedNodeTest pnt = m_nodeTests[i];
        XObject score = pnt.execute(xctxt, n);
        if (score != NodeTest.SCORE_NONE)
        {
          // Note that we are assuming there are no positional predicates!
          if (pnt.getPredicateCount() > 0)
          {

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        {
          Expression expr = m_selectExpression.getExpression();


          if (transformer.getDebug())
          {
            XObject obj = expr.execute(xctxt);


            transformer.getTraceManager().fireSelectedEvent(current, this,
                    "select", m_selectExpression, obj);
            obj.dispatchCharactersEvents(rth);
          }
          else
          {
            expr.executeCharsToContentHandler(xctxt, rth);
          }

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        foundKey = true;
        // xctxt.setNamespaceContext(ki.getPrefixResolver());


        // Query from the node, according the the select pattern in the
        // use attribute in xsl:key.
        XObject xuse = kd.getUse().execute(xctxt, testNode, ki.getPrefixResolver());


        if (xuse.getType() != xuse.CLASS_NODESET)
        {
          XMLString exprResult = xuse.xstr();


          if (lookupKey.equals(exprResult))
            return DTMIterator.FILTER_ACCEPT;
        }
        else

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  public void evaluate(
          XPathContext xctxt, FastStringBuffer buf, int context, org.apache.xml.utils.PrefixResolver nsNode)
            throws javax.xml.transform.TransformerException
  {


    XObject xobj = m_xpath.execute(xctxt, context, nsNode);


    if (null != xobj)
    {
      xobj.appendToFsb(buf);
    }
  }

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      }
      else
        return NodeTest.SCORE_NONE;
    }


    XObject score;


    score = super.execute(xctxt, currentNode, dtm, expType);


    if (score == NodeTest.SCORE_NONE)
      return NodeTest.SCORE_NONE;

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              for (int i = 0; i < predPos; i++)
              {
                xctxt.pushPredicatePos(i);
                try
                {
                  XObject pred = m_predicates[i].execute(xctxt);
                  
                  try
                  {
                    if (XObject.CLASS_NUMBER == pred.getType())
                    {
                      throw new Error("Why: Should never have been called");
                    }
                    else if (!pred.boolWithSideEffects())
                    {
                      pass = false;
    
                      break;
                    }
                  }
                  finally
                  {
                    pred.detach();
                  }
                }
                finally
                {
                  xctxt.popPredicatePos();

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              for (int i = 0; i < predPos; i++)
              {
                xctxt.pushPredicatePos(i);
                try
                {
                  XObject pred = m_predicates[i].execute(xctxt);
  
                  try
                  {
                    if (XObject.CLASS_NUMBER == pred.getType())
                    {
                      if ((pos + 1) != (int) pred.numWithSideEffects())
                      {
                        pass = false;
    
                        break;
                      }
                    }
                    else if (!pred.boolWithSideEffects())
                    {
                      pass = false;
    
                      break;
                    }
                  }
                  finally
                  {
                    pred.detach();
                  }
                }
                finally
                {
                  xctxt.popPredicatePos();

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  protected final XObject executeRelativePathPattern(
          XPathContext xctxt, DTM dtm, int currentNode)
            throws javax.xml.transform.TransformerException
  {


    XObject score = NodeTest.SCORE_NONE;
    int context = currentNode;
    DTMAxisTraverser traverser;


    traverser = dtm.getAxisTraverser(m_axis);

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      {
        xctxt.pushPredicatePos(i);


        try
        {
          XObject pred = m_predicates[i].execute(xctxt);


          try
          {
            if (XObject.CLASS_NUMBER == pred.getType())
            {
              int pos = (int) pred.num();
  
              if (positionAlreadySeen)
              {
                result = (pos == 1);
  
                break;
              }
              else
              {
                positionAlreadySeen = true;
  
                if (!checkProximityPosition(xctxt, i, dtm, currentNode, pos))
                {
                  result = false;
  
                  break;
                }
              }
            
            }
            else if (!pred.boolWithSideEffects())
            {
              result = false;
  
              break;
            }
          }
          finally
          {
            pred.detach();
          }
        }
        finally
        {
          xctxt.popPredicatePos();

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