Package org.apache.xpath.objects

Examples of org.apache.xpath.objects.XNodeSet

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        // document trees, eg RTFs. But in that case, we shouldn't be trying
        // to iterate over the whole DTM; we should be iterating over
        // dtm.getDocumentRoot(rootNodeHandle), and folks should have told us
        // this by passing a more appropriate type.
        iterator.setRoot(dtm.getDocument(), xctxt);
        value = new XNodeSet(iterator);
      }
      else if (obj instanceof DTMAxisIterator)
      {
        DTMAxisIterator iter = (DTMAxisIterator)obj;
        DTMIterator iterator = new OneStepIterator(iter, -1);
        value = new XNodeSet(iterator);
      }
      else if (obj instanceof DTMIterator)
      {
        value = new XNodeSet((DTMIterator) obj);
      }
      else if (obj instanceof NodeIterator)
      {
        value = new XNodeSet(new org.apache.xpath.NodeSetDTM(((NodeIterator)obj), xctxt));
      }
      else if (obj instanceof org.w3c.dom.Node)
      {
        value =
          new XNodeSet(xctxt.getDTMHandleFromNode((org.w3c.dom.Node) obj),
                       xctxt.getDTMManager());
      }
      else
      {
        value = new XString(obj.toString());
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  public XNodeSet getNodeSetDTMByKey(
          XPathContext xctxt, int doc, QName name, XMLString ref, PrefixResolver nscontext)
            throws javax.xml.transform.TransformerException
  {

    XNodeSet nl = null;
    ElemTemplateElement template = (ElemTemplateElement) nscontext;  // yuck -sb

    if ((null != template)
            && null != template.getStylesheetRoot().getKeysComposed())
    {
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        // document trees, eg RTFs. But in that case, we shouldn't be trying
        // to iterate over the whole DTM; we should be iterating over
        // dtm.getDocumentRoot(rootNodeHandle), and folks should have told us
        // this by passing a more appropriate type.
        iterator.setRoot(dtm.getDocument(), xctxt);
        value = new XNodeSet(iterator);
      }
      else if (obj instanceof DTMAxisIterator)
      {
        DTMAxisIterator iter = (DTMAxisIterator)obj;
        DTMIterator iterator = new OneStepIterator(iter, -1);
        value = new XNodeSet(iterator);
      }
      else if (obj instanceof DTMIterator)
      {
        value = new XNodeSet((DTMIterator) obj);
      }
      else if (obj instanceof NodeIterator)
      {
        value = new XNodeSet(new org.apache.xpath.NodeSetDTM(((NodeIterator)obj), xctxt));
      }
      else if (obj instanceof org.w3c.dom.Node)
      {
        value =
          new XNodeSet(xctxt.getDTMHandleFromNode((org.w3c.dom.Node) obj),
                       xctxt.getDTMManager());
      }
      else
      {
        value = new XString(obj.toString());
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      // the same as if the XML document containing the stylesheet
      // was the initial source document.
      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())))
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  public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException
  {

    // TransformerImpl transformer = (TransformerImpl)xctxt;
    TransformerImpl transformer = (TransformerImpl) xctxt.getOwnerObject();
    XNodeSet nodes = null;
    int context = xctxt.getCurrentNode();
    DTM dtm = xctxt.getDTM(context);
    int docContext = dtm.getDocumentRoot(context);

    if (DTM.NULL == docContext)
    {

      // path.error(context, XPATHErrorResources.ER_CONTEXT_HAS_NO_OWNERDOC); //"context does not have an owner document!");
    }

    String xkeyname = getArg0().execute(xctxt).str();
    QName keyname = new QName(xkeyname, xctxt.getNamespaceContext());
    XObject arg = getArg1().execute(xctxt);
    boolean argIsNodeSetDTM = (XObject.CLASS_NODESET == arg.getType());
    KeyManager kmgr = transformer.getKeyManager();

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

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

        if (null == ref)
          continue;

        if (null == usedrefs)
          usedrefs = new Hashtable();

        if (usedrefs.get(ref) != null)
        {
          continue;  // We already have 'em.
        }
        else
        {

          // ISTRUE being used as a dummy value.
          usedrefs.put(ref, ISTRUE);
        }

        LocPathIterator nl =
          kmgr.getNodeSetDTMByKey(xctxt, docContext, keyname, ref,
                               xctxt.getNamespaceContext());

//        try
//        {
          upi.addIterator((LocPathIterator)nl.asIterator(xctxt, docContext));
//        }
//        catch(CloneNotSupportedException cnse)
//        {
//          // will never happen.
//        }
        //mnodeset.addNodesInDocOrder(nl, xctxt); needed??
      }

      int current = xctxt.getCurrentNode();
      upi.setRoot(current, xctxt);

      nodes = new XNodeSet(upi);
    }
    else
    {
      XMLString ref = arg.xstr();
      LocPathIterator nl = kmgr.getNodeSetDTMByKey(xctxt, docContext, keyname,
                                                ref,
                                                xctxt.getNamespaceContext());

      try
      {
        nodes = new XNodeSet((LocPathIterator)nl.cloneWithReset());
      }
      catch(CloneNotSupportedException cnse)
      {
        // will never happen.
      }
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        {
            // See http://www.w3.org/1999/11/REC-xslt-19991116-errata#E14.
            // If the second argument is an empty nodeset, this is an error.
            // The processor can recover by returning an empty nodeset.
            warn(xctxt, XSLTErrorResources.WG_EMPTY_SECOND_ARG, null);
            XNodeSet nodes = new XNodeSet(xctxt.getDTMManager());
             return nodes;
        } else{
          DTM baseDTM = xctxt.getDTM(baseNode);
          base = baseDTM.getDocumentBaseURI();
        }
        // %REVIEW% This doesn't seem to be a problem with the conformance
        // suite, but maybe it's just not doing a good test?
//        int baseDoc = baseDTM.getDocument();
//
//        if (baseDoc == DTM.NULL /* || baseDoc instanceof Stylesheet  -->What to do?? */)
//        {
//
//          // base = ((Stylesheet)baseDoc).getBaseIdentifier();
//          base = xctxt.getNamespaceContext().getBaseIdentifier();
//        }
//        else
//          base = xctxt.getSourceTreeManager().findURIFromDoc(baseDoc);
      }
      else
      {
        //Can not convert other type to a node-set!;
        arg2.iter();
      }
    }
    else
    {

      // If the second argument is omitted, then it defaults to
      // the node in the stylesheet that contains the expression that
      // includes the call to the document function. Note that a
      // zero-length URI reference is a reference to the document
      // relative to which the URI reference is being resolved; thus
      // document("") refers to the root node of the stylesheet;
      // the tree representation of the stylesheet is exactly
      // the same as if the XML document containing the stylesheet
      // was the initial source document.
      assertion(null != xctxt.getNamespaceContext(), "Namespace context can not be null!");
      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())))
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  {
    m_docKey = doc;
    m_keyDeclarations = keyDeclarations;
    KeyIterator ki = new KeyIterator(name, keyDeclarations);

    m_keyNodes = new XNodeSet(ki);
    m_keyNodes.allowDetachToRelease(false);
    m_keyNodes.setRoot(doc, xctxt);
  }
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   * @return a set of nodes referenced by the key named <CODE>name</CODE> and the reference <CODE>ref</CODE>. If no node is referenced by this key, an empty node set is returned.
   */
  public XNodeSet getNodeSetDTMByKey(QName name, XMLString ref)

  {
    XNodeSet refNodes = (XNodeSet) getRefsTable().get(ref);
    // clone wiht reset the node set
   try
    {
      if (refNodes != null)
      {
         refNodes = (XNodeSet) refNodes.cloneWithReset();
       }
    }
    catch (CloneNotSupportedException e)
    {
      refNodes = null;
    }

    if (refNodes == null) {
     //  create an empty XNodeSet
      KeyIterator ki = (KeyIterator) (m_keyNodes).getContainedIter();
      XPathContext xctxt = ki.getXPathContext();
      refNodes = new XNodeSet(xctxt.getDTMManager()) {
        public void setRoot(int nodeHandle, Object environment) {
          // Root cannot be set on non-iterated node sets. Ignore it.
        }
      };
      refNodes.reset();
    }

    return refNodes;
  }
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   * @param ref the value of the use clause of the current key for the given node
   * @param node the node to reference
   */
  private void addValueInRefsTable(XPathContext xctxt, XMLString ref, int node) {
   
    XNodeSet nodes = (XNodeSet) m_refsTable.get(ref);
    if (nodes == null)
    {
      nodes = new XNodeSet(node, xctxt.getDTMManager());
      nodes.nextNode();
      m_refsTable.put(ref, nodes);
    }
    else
    {
      // Nodes are passed to this method in document order.  Since we need to
      // suppress duplicates, we only need to check against the last entry
      // in each nodeset.  We use nodes.nextNode after each entry so we can
      // easily compare node against the current node.
      if (nodes.getCurrentNode() != node) {
          nodes.mutableNodeset().addNode(node);
          nodes.nextNode();
      }   
    }
  }
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    if (DTM.NULL == docContext)
      error(xctxt, XPATHErrorResources.ER_CONTEXT_HAS_NO_OWNERDOC, null);

    XObject arg = m_arg0.execute(xctxt);
    int argType = arg.getType();
    XNodeSet nodes = new XNodeSet(xctxt.getDTMManager());
    NodeSetDTM nodeSet = nodes.mutableNodeset();

    if (XObject.CLASS_NODESET == argType)
    {
      DTMIterator ni = arg.iter();
      StringVector usedrefs = null;
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  • org.apache.xalan.templates.FuncKey
  • org.apache.xalan.transformer.KeyManager
  • org.apache.xalan.transformer.KeyTable
  • org.apache.xml.dtm.DTMIterator
  • org.apache.xml.security.transforms.implementations.FuncHere
  • org.apache.xml.utils.StringVector
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