Examples of org.apache.xml.dtm.DTMIterator.nextNode()

org.apache.xml.dtm.DTMIterator.nextNode()
Returns the next node in the set and advances the position of the iterator in the set. After a DTMIterator has setRoot called, the first call to nextNode() returns that root or (if it is rejected by the filters) the first node within its subtree which is not filtered out. @return The next node handle in the set being iterated over, orDTM.NULL if there are no more members in that set.

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


  /**
   * Given an select expression and a context, evaluate the XPath
   * and return the resulting iterator.

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        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;

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    if (null != nl)
    {
      int n;


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


        if (score == SCORE_OTHER)
        {

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    if (null != nl)
    {
      int n;


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


        if (score == SCORE_OTHER)
        {

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    if (null != nl)
    {
      int n;


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


        if (score == SCORE_OTHER)
        {

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        if (null == node2Strings)
        {
          int node2;


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


            if (comparator.compareStrings(s1, s2))
            {

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      // 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))
        {

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    {
      XMLString s2 = obj2.xstr();
      DTMIterator list1 = iterRaw();
      int node;


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


        if (comparator.compareStrings(s1, s2))
        {

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      // 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;

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      // Should be able to get this from the iterator but there must be a bug.
      DTM dtm = xctxt.getDTM(sourceNode);
      int docID = sourceNode & DTMManager.IDENT_DTM_DEFAULT;
      int child;


      while (DTM.NULL != (child = sourceNodes.nextNode()))
      {
        currentNodes.setTop(child);
        currentExpressionNodes.setTop(child);


        if ((child & DTMManager.IDENT_DTM_DEFAULT) != docID)

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