Package org.apache.xml.dtm

Examples of org.apache.xml.dtm.DTMIterator


   */
  public XObject execute(XPathContext xctxt, int context)
          throws javax.xml.transform.TransformerException
  {

    DTMIterator nl = m_functionExpr.asIterator(xctxt, context);
    XNumber score = SCORE_NONE;

    if (null != nl)
    {
      int n;

      while (DTM.NULL != (n = nl.nextNode()))
      {
        score = (n == context) ? SCORE_OTHER : SCORE_NONE;

        if (score == SCORE_OTHER)
        {
          context = n;

          break;
        }
      }

      // nl.detach();
    }
    nl.detach();

    return score;
  }
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  public XObject execute(XPathContext xctxt, int context,
                         DTM dtm, int expType)
          throws javax.xml.transform.TransformerException
  {

    DTMIterator nl = m_functionExpr.asIterator(xctxt, context);
    XNumber score = SCORE_NONE;

    if (null != nl)
    {
      int n;

      while (DTM.NULL != (n = nl.nextNode()))
      {
        score = (n == context) ? SCORE_OTHER : SCORE_NONE;

        if (score == SCORE_OTHER)
        {
          context = n;

          break;
        }
      }

      nl.detach();
    }

    return score;
  }
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  public XObject execute(XPathContext xctxt)
          throws javax.xml.transform.TransformerException
  {

    int context = xctxt.getCurrentNode();
    DTMIterator nl = m_functionExpr.asIterator(xctxt, context);
    XNumber score = SCORE_NONE;

    if (null != nl)
    {
      int n;

      while (DTM.NULL != (n = nl.nextNode()))
      {
        score = (n == context) ? SCORE_OTHER : SCORE_NONE;

        if (score == SCORE_OTHER)
        {
          context = n;

          break;
        }
      }

      nl.detach();
    }

    return score;
  }
View Full Code Here

   * @throws javax.xml.transform.TransformerException
   */
  public int asNode(XPathContext xctxt)
          throws javax.xml.transform.TransformerException
  {
    DTMIterator iter = execute(xctxt).iter();
    return iter.nextNode();
  }
View Full Code Here

    }

    if (argIsNodeSetDTM)
    {
      Hashtable usedrefs = null;
      DTMIterator ni = arg.iter();
      int pos;
      UnionPathIterator upi = new UnionPathIterator();
      upi.exprSetParent(this);

      while (DTM.NULL != (pos = ni.nextNode()))
      {
        dtm = xctxt.getDTM(pos);
        XMLString ref = dtm.getStringValue(pos);

        if (null == ref)
View Full Code Here

      // NOTE: If $x is bound to a node-set, then $x="foo"
      // does not mean the same as not($x!="foo"): the former
      // is true if and only if some node in $x has the string-value
      // foo; the latter is true if and only if all nodes in $x have
      // the string-value foo.
      DTMIterator list1 = iterRaw();
      DTMIterator list2 = ((XNodeSet) obj2).iterRaw();
      int node1;
      java.util.Vector node2Strings = null;

      while (DTM.NULL != (node1 = list1.nextNode()))
      {
        XMLString s1 = getStringFromNode(node1);

        if (null == node2Strings)
        {
          int node2;

          while (DTM.NULL != (node2 = list2.nextNode()))
          {
            XMLString s2 = getStringFromNode(node2);

            if (comparator.compareStrings(s1, s2))
            {
              result = true;

              break;
            }

            if (null == node2Strings)
              node2Strings = new java.util.Vector();

            node2Strings.addElement(s2);
          }
        }
        else
        {
          int n = node2Strings.size();

          for (int i = 0; i < n; i++)
          {
            if (comparator.compareStrings(s1, (XMLString)node2Strings.elementAt(i)))
            {
              result = true;

              break;
            }
          }
        }
      }
      list1.reset();
      list2.reset();
    }
    else if (XObject.CLASS_BOOLEAN == type)
    {

      // From http://www.w3.org/TR/xpath:
      // If one object to be compared is a node-set and the other is a boolean,
      // then the comparison will be true if and only if the result of
      // performing the comparison on the boolean and on the result of
      // converting the node-set to a boolean using the boolean function
      // is true.
      double num1 = bool() ? 1.0 : 0.0;
      double num2 = obj2.num();

      result = comparator.compareNumbers(num1, num2);
    }
    else if (XObject.CLASS_NUMBER == type)
    {

      // From http://www.w3.org/TR/xpath:
      // If one object to be compared is a node-set and the other is a number,
      // then the comparison will be true if and only if there is a
      // node in the node-set such that the result of performing the
      // comparison on the number to be compared and on the result of
      // converting the string-value of that node to a number using
      // the number function is true.
      DTMIterator list1 = iterRaw();
      double num2 = obj2.num();
      int node;

      while (DTM.NULL != (node = list1.nextNode()))
      {
        double num1 = getNumberFromNode(node);

        if (comparator.compareNumbers(num1, num2))
        {
          result = true;

          break;
        }
      }
      list1.reset();
    }
    else if (XObject.CLASS_RTREEFRAG == type)
    {
      XMLString s2 = obj2.xstr();
      DTMIterator list1 = iterRaw();
      int node;

      while (DTM.NULL != (node = list1.nextNode()))
      {
        XMLString s1 = getStringFromNode(node);

        if (comparator.compareStrings(s1, s2))
        {
          result = true;

          break;
        }
      }
      list1.reset();
    }
    else if (XObject.CLASS_STRING == type)
    {

      // From http://www.w3.org/TR/xpath:
      // If one object to be compared is a node-set and the other is a
      // string, then the comparison will be true if and only if there
      // is a node in the node-set such that the result of performing
      // the comparison on the string-value of the node and the other
      // string is true.
      XMLString s2 = obj2.xstr();
      DTMIterator list1 = iterRaw();
      int node;

      while (DTM.NULL != (node = list1.nextNode()))
      {
        XMLString s1 = getStringFromNode(node);
        if (comparator.compareStrings(s1, s2))
        {
          result = true;

          break;
        }
      }
      list1.reset();
    }
    else
    {
      result = comparator.compareNumbers(this.num(), obj2.num());
    }
View Full Code Here

        }

        if (r.getType() == XObject.CLASS_NODESET)
        {
          // %REVIEW%
          DTMIterator ni = ((XNodeSet)r).iterRaw();
          int current = ni.getCurrentNode();
          if(DTM.NULL == current)
            current = ni.nextNode();

          // if (ni instanceof ContextNodeList) // %REVIEW%
          tryNextKey = (DTM.NULL != current);

          // else abdicate... should never happen, but... -sb
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      base = xctxt.getNamespaceContext().getBaseIdentifier();
    }

    XNodeSet nodes = new XNodeSet(xctxt.getDTMManager());
    NodeSetDTM mnl = nodes.mutableNodeset();
    DTMIterator iterator = (XObject.CLASS_NODESET == arg.getType())
                            ? arg.iter() : null;
    int pos = DTM.NULL;

    while ((null == iterator) || (DTM.NULL != (pos = iterator.nextNode())))
    {
      XMLString ref = (null != iterator)
                   ? xctxt.getDTM(pos).getStringValue(pos) : arg.xstr();
     
      // The first and only argument was a nodeset, the base in that
View Full Code Here

          if (lookupKey.equals(exprResult))
            return DTMIterator.FILTER_ACCEPT;
        }
        else
        {
          DTMIterator nl = ((XNodeSet)xuse).iterRaw();
          int useNode;
         
          while (DTM.NULL != (useNode = nl.nextNode()))
          {
            DTM dtm = getDTM(useNode);
            XMLString exprResult = dtm.getStringValue(useNode);
            if ((null != exprResult) && lookupKey.equals(exprResult))
              return DTMIterator.FILTER_ACCEPT;
View Full Code Here

   * @return the first node out of the nodeset, or DTM.NULL.
   */
  public int asNode(XPathContext xctxt)
    throws javax.xml.transform.TransformerException
  {
    DTMIterator iter = (DTMIterator)m_clones.getInstance();
   
    int current = xctxt.getCurrentNode();
   
    iter.setRoot(current, xctxt);

    int next = iter.nextNode();
    // m_clones.freeInstance(iter);
    iter.detach();
    return next;
  }
View Full Code Here

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