Java 类org.w3c.dom.traversal.NodeFilter 实例源码

项目：convertigo-engine 文件：TwsTreeWalker.java

/** Internal function.
 *  Return the parent Node, from the input node
 *  after applying filter, whatToshow.
 *  The current node is not consulted or set.
 */
Node getParentNode(Node node) {

    if (node == null || isSameNode(node, fRoot)) return null;

    Node newNode = node.getParentNode();
    if (newNode == null)  return null; 

    int accept = acceptNode(newNode);

    if (accept == NodeFilter.FILTER_ACCEPT)
        return newNode;
    else 
    //if (accept == NodeFilter.SKIP_NODE) // and REJECT too.
    {
        return getParentNode(newNode);
    }


}

项目：OpenJSharp 文件：TreeWalkerImpl.java

/** Internal function.
 *  Return the parent Node, from the input node
 *  after applying filter, whatToshow.
 *  The current node is not consulted or set.
 */
Node getParentNode(Node node) {

    if (node == null || node == fRoot) return null;

    Node newNode = node.getParentNode();
    if (newNode == null)  return null;

    int accept = acceptNode(newNode);

    if (accept == NodeFilter.FILTER_ACCEPT)
        return newNode;
    else
    //if (accept == NodeFilter.SKIP_NODE) // and REJECT too.
    {
        return getParentNode(newNode);
    }


}

项目：openjdk-jdk10 文件：DocumentImpl.java

/**
 * Create and return a NodeIterator. The NodeIterator is
 * added to a list of NodeIterators so that it can be
 * removed to free up the DOM Nodes it references.
 *
 * @param root The root of the iterator.
 * @param whatToShow The whatToShow mask.
 * @param filter The NodeFilter installed. Null means no filter.
 * @param entityReferenceExpansion true to expand the contents of
 *                                 EntityReference nodes
 * @since WD-DOM-Level-2-19990923
 */
public NodeIterator createNodeIterator(Node root,
                                       int whatToShow,
                                       NodeFilter filter,
                                       boolean entityReferenceExpansion)
{

    if (root == null) {
              String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "NOT_SUPPORTED_ERR", null);
              throw new DOMException(DOMException.NOT_SUPPORTED_ERR, msg);
    }

    NodeIterator iterator = new NodeIteratorImpl(this,
                                                 root,
                                                 whatToShow,
                                                 filter,
                                                 entityReferenceExpansion);
    if (iterators == null) {
        iterators = new ArrayList<>();
    }

    iterators.add(iterator);

    return iterator;
}

项目：openjdk-jdk10 文件：TreeWalkerImpl.java

/** Internal function.
 *  Return the parent Node, from the input node
 *  after applying filter, whatToshow.
 *  The current node is not consulted or set.
 */
Node getParentNode(Node node) {

    if (node == null || node == fRoot) return null;

    Node newNode = node.getParentNode();
    if (newNode == null)  return null;

    int accept = acceptNode(newNode);

    if (accept == NodeFilter.FILTER_ACCEPT)
        return newNode;
    else
    //if (accept == NodeFilter.SKIP_NODE) // and REJECT too.
    {
        return getParentNode(newNode);
    }


}

项目：openjdk-jdk10 文件：DOM3TreeWalker.java

/**
 * Serializes a Comment Node.
 *
 * @param node The Comment Node to serialize
 */
protected void serializeComment(Comment node) throws SAXException {
    // comments=true
    if ((fFeatures & COMMENTS) != 0) {
        String data = node.getData();

        // well-formed=true
        if ((fFeatures & WELLFORMED) != 0) {
            isCommentWellFormed(data);
        }

        if (fLexicalHandler != null) {
            // apply the LSSerializer filter after the operations requested by the
            // DOMConfiguration parameters have been applied
            if (!applyFilter(node, NodeFilter.SHOW_COMMENT)) {
                return;
            }

            fLexicalHandler.comment(data.toCharArray(), 0, data.length());
        }
    }
}

项目：openjdk-jdk10 文件：DOM3TreeWalker.java

/**
 * Serializes an ProcessingInstruction Node.
 *
 * @param node The ProcessingInstruction Node to serialize
 */
protected void serializePI(ProcessingInstruction node)
    throws SAXException {
    ProcessingInstruction pi = node;
    String name = pi.getNodeName();

    // well-formed=true
    if ((fFeatures & WELLFORMED) != 0) {
        isPIWellFormed(node);
    }

    // apply the LSSerializer filter
    if (!applyFilter(node, NodeFilter.SHOW_PROCESSING_INSTRUCTION)) {
        return;
    }

    // String data = pi.getData();
    if (name.equals("xslt-next-is-raw")) {
        fNextIsRaw = true;
    } else {
        this.fSerializer.processingInstruction(name, pi.getData());
    }
}

项目：openjdk9 文件：DocumentImpl.java

/**
 * Create and return a NodeIterator. The NodeIterator is
 * added to a list of NodeIterators so that it can be
 * removed to free up the DOM Nodes it references.
 *
 * @param root The root of the iterator.
 * @param whatToShow The whatToShow mask.
 * @param filter The NodeFilter installed. Null means no filter.
 * @param entityReferenceExpansion true to expand the contents of
 *                                 EntityReference nodes
 * @since WD-DOM-Level-2-19990923
 */
public NodeIterator createNodeIterator(Node root,
                                       int whatToShow,
                                       NodeFilter filter,
                                       boolean entityReferenceExpansion)
{

    if (root == null) {
              String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "NOT_SUPPORTED_ERR", null);
              throw new DOMException(DOMException.NOT_SUPPORTED_ERR, msg);
    }

    NodeIterator iterator = new NodeIteratorImpl(this,
                                                 root,
                                                 whatToShow,
                                                 filter,
                                                 entityReferenceExpansion);
    if (iterators == null) {
        iterators = new ArrayList<>();
    }

    iterators.add(iterator);

    return iterator;
}

项目：openjdk9 文件：TreeWalkerImpl.java

/** Internal function.
 *  Return the parent Node, from the input node
 *  after applying filter, whatToshow.
 *  The current node is not consulted or set.
 */
Node getParentNode(Node node) {

    if (node == null || node == fRoot) return null;

    Node newNode = node.getParentNode();
    if (newNode == null)  return null;

    int accept = acceptNode(newNode);

    if (accept == NodeFilter.FILTER_ACCEPT)
        return newNode;
    else
    //if (accept == NodeFilter.SKIP_NODE) // and REJECT too.
    {
        return getParentNode(newNode);
    }


}

项目：openjdk9 文件：DOM3TreeWalker.java

/**
 * Serializes a Comment Node.
 *
 * @param node The Comment Node to serialize
 */
protected void serializeComment(Comment node) throws SAXException {
    // comments=true
    if ((fFeatures & COMMENTS) != 0) {
        String data = node.getData();

        // well-formed=true
        if ((fFeatures & WELLFORMED) != 0) {
            isCommentWellFormed(data);
        }

        if (fLexicalHandler != null) {
            // apply the LSSerializer filter after the operations requested by the
            // DOMConfiguration parameters have been applied
            if (!applyFilter(node, NodeFilter.SHOW_COMMENT)) {
                return;
            }

            fLexicalHandler.comment(data.toCharArray(), 0, data.length());
        }
    }
}

项目：openjdk9 文件：DOM3TreeWalker.java

/**
 * Serializes an ProcessingInstruction Node.
 *
 * @param node The ProcessingInstruction Node to serialize
 */
protected void serializePI(ProcessingInstruction node)
    throws SAXException {
    ProcessingInstruction pi = node;
    String name = pi.getNodeName();

    // well-formed=true
    if ((fFeatures & WELLFORMED) != 0) {
        isPIWellFormed(node);
    }

    // apply the LSSerializer filter
    if (!applyFilter(node, NodeFilter.SHOW_PROCESSING_INSTRUCTION)) {
        return;
    }

    // String data = pi.getData();
    if (name.equals("xslt-next-is-raw")) {
        fNextIsRaw = true;
    } else {
        this.fSerializer.processingInstruction(name, pi.getData());
    }
}

项目：citrus-admin 文件：RemoveSpringBeanFilter.java

/**
 * {@inheritDoc}
 */
public short accept(Element element) {
    if (isEqualById(element, elementId)) {
        if (element.getNextSibling() != null && element.getNextSibling().getNodeType() == Node.TEXT_NODE) {
            element.getParentNode().removeChild(element.getNextSibling());
        }

        markChildElementsForDeletion(element);
        return NodeFilter.FILTER_REJECT;
    }

    if (shouldDeleteNode(element)) {
        return NodeFilter.FILTER_REJECT;
    }

    return NodeFilter.FILTER_ACCEPT;
}

项目：citrus-admin 文件：UpdateSpringBeanFilter.java

/**
 * {@inheritDoc}
 */
public short accept(Element element) {
    if (added == null && (isEqualById(element, elementId))) {
        if (element.getNextSibling() != null) {
            added = element.getParentNode().insertBefore(element.getOwnerDocument().importNode(beanDefinition, true), element.getNextSibling());
        } else {
            added = element.getParentNode().appendChild(element.getOwnerDocument().importNode(beanDefinition, true));
        }

        updatedBeans++;
    }

    if (element.equals(added)) {
        return NodeFilter.FILTER_ACCEPT; 
    }

    return super.accept(element);
}

项目：jnieasy 文件：TreeWalkerImpl.java

/** Internal function.
 *  Return the parent Node, from the input node
 *  after applying filter, whatToshow.
 *  The current node is not consulted or set.
 */
Node getParentNode(Node node) {

    if (node == null || isSameNode(node, fRoot)) return null;

    Node newNode = node.getParentNode();
    if (newNode == null)  return null; 

    int accept = acceptNode(newNode);

    if (accept == NodeFilter.FILTER_ACCEPT)
        return newNode;
    else 
    //if (accept == NodeFilter.SKIP_NODE) // and REJECT too.
    {
        return getParentNode(newNode);
    }


}

项目：Push2Display 文件：TraversalSupport.java

/**
 * Creates a new node iterator.
 */
public NodeIterator createNodeIterator(AbstractDocument doc,
                                       Node root,
                                       int whatToShow, 
                                       NodeFilter filter, 
                                       boolean entityReferenceExpansion)
    throws DOMException {
    if (root == null) {
        throw doc.createDOMException
            (DOMException.NOT_SUPPORTED_ERR, "null.root",  null);
    }
    NodeIterator result = new DOMNodeIterator(doc, root, whatToShow,
                                              filter,
                                              entityReferenceExpansion);
    if (iterators == null) {
        iterators = new LinkedList();
    }
    iterators.add(result);

    return result;
}

项目：Push2Display 文件：DOMTreeWalker.java

/**
 * Returns the first child of the given node.
 */
protected Node firstChild(Node n) {
    if (n.getNodeType() == Node.ENTITY_REFERENCE_NODE &&
        !expandEntityReferences) {
        return null;
    }
    Node result = n.getFirstChild();
    if (result == null) {
        return null;
    }
    switch (acceptNode(result)) {
    case NodeFilter.FILTER_ACCEPT:
        return result;
    case NodeFilter.FILTER_SKIP:
        Node t = firstChild(result);
        if (t != null) {
            return t;
        }
        // Fall through
    default: // NodeFilter.FILTER_REJECT
        return nextSibling(result, n);
    }
}

项目：Push2Display 文件：DOMTreeWalker.java

/**
 * Returns the last child of the given node.
 */
protected Node lastChild(Node n) {
    if (n.getNodeType() == Node.ENTITY_REFERENCE_NODE &&
        !expandEntityReferences) {
        return null;
    }
    Node result = n.getLastChild();
    if (result == null) {
        return null;
    }
    switch (acceptNode(result)) {
    case NodeFilter.FILTER_ACCEPT:
        return result;
    case NodeFilter.FILTER_SKIP:
        Node t = lastChild(result);
        if (t != null) {
            return t;
        }
        // Fall through
    default: // NodeFilter.FILTER_REJECT
        return previousSibling(result, n);
    }
}

项目：javify 文件：GnomeDocument.java

public Element getElementById(String elementId)
{
  Element element = xmljGetElementById(elementId);
  if (element == null)
    {
      TreeWalker walker = createTreeWalker(this, NodeFilter.SHOW_ELEMENT,
                                           null, false);
      for (Node node = walker.nextNode(); node != null;
           node = walker.nextNode())
        {
          GnomeElement e = (GnomeElement) node;
          if (e.userIdAttrs != null)
            {
              for (Iterator i = e.userIdAttrs.iterator(); i.hasNext(); )
                {
                  Attr attr = (Attr) i.next();
                  if (attr.getNodeValue().equals(elementId))
                    {
                      return e;
                    }
                }
            }
        }
    }
  return element;
}

项目：convertigo-engine 文件：TwsTreeWalker.java

/** Public constructor */
public TwsTreeWalker(Node root, 
                      int whatToShow, 
                      NodeFilter nodeFilter,
                      boolean entityReferenceExpansion) {
    fCurrentNode = root;
    fRoot = root;
    fUseIsSameNode = useIsSameNode(root);
    fWhatToShow = whatToShow;
    fNodeFilter = nodeFilter;
    fEntityReferenceExpansion = entityReferenceExpansion;
}

项目：convertigo-engine 文件：TwsTreeWalker.java

/** Internal function.
   *  Return the previousSibling Node, from the input node
   *  after applying filter, whatToshow.
*  NEVER TRAVERSES ABOVE THE SPECIFIED ROOT NODE. 
   *  The current node is not consulted or set.
   */
  Node getPreviousSibling(Node node, Node root) {

      if (node == null || isSameNode(node, root)) return null;

      Node newNode = node.getPreviousSibling();
      if (newNode == null) {

          newNode = node.getParentNode();
          if (newNode == null || isSameNode(newNode, root)) return null; 

          int parentAccept = acceptNode(newNode);

          if (parentAccept==NodeFilter.FILTER_SKIP) {
              return getPreviousSibling(newNode, root);
          }

          return null;
      }

      int accept = acceptNode(newNode);

      if (accept == NodeFilter.FILTER_ACCEPT)
          return newNode;
      else 
      if (accept == NodeFilter.FILTER_SKIP) {
          Node fChild =  getLastChild(newNode);
          if (fChild == null) {
              return getPreviousSibling(newNode, root);
          }
          return fChild;
      }
      else 
      //if (accept == NodeFilter.REJECT_NODE) 
      {
          return getPreviousSibling(newNode, root);
      }

  }

项目：convertigo-engine 文件：TwsTreeWalker.java

/** Internal function.
 *  Return the first child Node, from the input node
 *  after applying filter, whatToshow.
 *  The current node is not consulted or set.
 */
Node getFirstChild(Node node) {
    if (node == null) return null;

    if ( !fEntityReferenceExpansion
         && node.getNodeType() == Node.ENTITY_REFERENCE_NODE)
        return null;
    Node newNode = node.getFirstChild();
    if (newNode == null)  return null;
    int accept = acceptNode(newNode);

    if (accept == NodeFilter.FILTER_ACCEPT)
        return newNode;
    else 
    if (accept == NodeFilter.FILTER_SKIP
        && newNode.hasChildNodes()) 
    {
        Node fChild = getFirstChild(newNode);

        if (fChild == null) {
            return getNextSibling(newNode, node);
        }
        return fChild;
    }
    else 
    //if (accept == NodeFilter.REJECT_NODE) 
    {
        return getNextSibling(newNode, node);
    }


}

项目：convertigo-engine 文件：TwsTreeWalker.java

/** Internal function.
 *  Return the last child Node, from the input node
 *  after applying filter, whatToshow.
 *  The current node is not consulted or set.
 */
Node getLastChild(Node node) {

    if (node == null) return null;

    if ( !fEntityReferenceExpansion
         && node.getNodeType() == Node.ENTITY_REFERENCE_NODE)
        return null;

    Node newNode = node.getLastChild();
    if (newNode == null)  return null; 

    int accept = acceptNode(newNode);

    if (accept == NodeFilter.FILTER_ACCEPT)
        return newNode;
    else 
    if (accept == NodeFilter.FILTER_SKIP
        && newNode.hasChildNodes()) 
    {
        Node lChild = getLastChild(newNode);
        if (lChild == null) {
            return getPreviousSibling(newNode, node);
        }
        return lChild;
    }
    else 
    //if (accept == NodeFilter.REJECT_NODE) 
    {
        return getPreviousSibling(newNode, node);
    }


}

项目：convertigo-engine 文件：TwsTreeWalker.java

/** Internal function. 
 *  The node whatToShow and the filter are combined into one result. */
short acceptNode(Node node) {
    /***
     7.1.2.4. Filters and whatToShow flags 

     Iterator and TreeWalker apply whatToShow flags before applying Filters. If a node is rejected by the
     active whatToShow flags, a Filter will not be called to evaluate that node. When a node is rejected by
     the active whatToShow flags, children of that node will still be considered, and Filters may be called to
     evaluate them.
     ***/

    if (fNodeFilter == null) {
        if ( ( fWhatToShow & (1 << node.getNodeType()-1)) != 0) {
            return NodeFilter.FILTER_ACCEPT;
        } else {
            return NodeFilter.FILTER_SKIP;
        }
    } else {
        if ((fWhatToShow & (1 << node.getNodeType()-1)) != 0 ) {
            return fNodeFilter.acceptNode(node);
        } else {
            // What to show has failed. See above excerpt from spec.
            // Equivalent to FILTER_SKIP.
            return NodeFilter.FILTER_SKIP;
        }
    }
}

项目：convertigo-engine 文件：TwsCachedXPathAPI.java

@Override
public NodeFilter getFilter() {
    return new NodeFilter() {

        @Override
        public short acceptNode(Node arg0) {
            return 0;
        }
    };
}

项目：convertigo-engine 文件：Sequence.java

private static void buildOutputDom(Element root, OutputFilter outputFilter) {
    try {
        TreeWalker walker = new TwsTreeWalker(root, NodeFilter.SHOW_ELEMENT, outputFilter, false);
        traverseLevel(walker,null,"");
        outputFilter.doOutPut();
    }
    finally {
        if (outputFilter != null) {
            outputFilter.map.clear();
        }
    }
}

项目：OpenJSharp 文件：NodeIteratorImpl.java

/** Public constructor */
public NodeIteratorImpl( DocumentImpl document,
                         Node root,
                         int whatToShow,
                         NodeFilter nodeFilter,
                         boolean entityReferenceExpansion) {
    fDocument = document;
    fRoot = root;
    fCurrentNode = null;
    fWhatToShow = whatToShow;
    fNodeFilter = nodeFilter;
    fEntityReferenceExpansion = entityReferenceExpansion;
}

项目：OpenJSharp 文件：NodeIteratorImpl.java

/** The node is accepted if it passes the whatToShow and the filter. */
boolean acceptNode(Node node) {

    if (fNodeFilter == null) {
        return ( fWhatToShow & (1 << node.getNodeType()-1)) != 0 ;
    } else {
        return ((fWhatToShow & (1 << node.getNodeType()-1)) != 0 )
            && fNodeFilter.acceptNode(node) == NodeFilter.FILTER_ACCEPT;
    }
}

项目：OpenJSharp 文件：DocumentImpl.java

/**
 * Create and return a TreeWalker.
 *
 * @param root The root of the iterator.
 * @param whatToShow The whatToShow mask.
 * @param filter The NodeFilter installed. Null means no filter.
 * @param entityReferenceExpansion true to expand the contents of
 *                                 EntityReference nodes
 * @since WD-DOM-Level-2-19990923
 */
public TreeWalker createTreeWalker(Node root,
                                   int whatToShow,
                                   NodeFilter filter,
                                   boolean entityReferenceExpansion)
{
    if (root == null) {
        String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "NOT_SUPPORTED_ERR", null);
        throw new DOMException(DOMException.NOT_SUPPORTED_ERR, msg);
    }
    return new TreeWalkerImpl(root, whatToShow, filter,
                              entityReferenceExpansion);
}

项目：OpenJSharp 文件：TreeWalkerImpl.java

/** Public constructor */
public TreeWalkerImpl(Node root,
                      int whatToShow,
                      NodeFilter nodeFilter,
                      boolean entityReferenceExpansion) {
    fCurrentNode = root;
    fRoot = root;
    fWhatToShow = whatToShow;
    fNodeFilter = nodeFilter;
    fEntityReferenceExpansion = entityReferenceExpansion;
}

项目：OpenJSharp 文件：TreeWalkerImpl.java

/** Internal function.
 *  Return the nextSibling Node, from the input node
 *  after applying filter, whatToshow.
 *  NEVER TRAVERSES ABOVE THE SPECIFIED ROOT NODE.
 *  The current node is not consulted or set.
 */
Node getNextSibling(Node node, Node root) {

    if (node == null || node == root) return null;

    Node newNode = node.getNextSibling();
    if (newNode == null) {

        newNode = node.getParentNode();

        if (newNode == null || newNode == root)  return null;

        int parentAccept = acceptNode(newNode);

        if (parentAccept==NodeFilter.FILTER_SKIP) {
            return getNextSibling(newNode, root);
        }

        return null;
    }

    int accept = acceptNode(newNode);

    if (accept == NodeFilter.FILTER_ACCEPT)
        return newNode;
    else
    if (accept == NodeFilter.FILTER_SKIP) {
        Node fChild = getFirstChild(newNode);
        if (fChild == null) {
            return getNextSibling(newNode, root);
        }
        return fChild;
    }
    else
    //if (accept == NodeFilter.REJECT_NODE)
    {
        return getNextSibling(newNode, root);
    }

}

项目：OpenJSharp 文件：TreeWalkerImpl.java

/** Internal function.
 *  Return the previousSibling Node, from the input node
 *  after applying filter, whatToshow.
     *  NEVER TRAVERSES ABOVE THE SPECIFIED ROOT NODE.
 *  The current node is not consulted or set.
 */
Node getPreviousSibling(Node node, Node root) {

    if (node == null || node == root) return null;

    Node newNode = node.getPreviousSibling();
    if (newNode == null) {

        newNode = node.getParentNode();
        if (newNode == null || newNode == root)  return null;

        int parentAccept = acceptNode(newNode);

        if (parentAccept==NodeFilter.FILTER_SKIP) {
            return getPreviousSibling(newNode, root);
        }

        return null;
    }

    int accept = acceptNode(newNode);

    if (accept == NodeFilter.FILTER_ACCEPT)
        return newNode;
    else
    if (accept == NodeFilter.FILTER_SKIP) {
        Node fChild =  getLastChild(newNode);
        if (fChild == null) {
            return getPreviousSibling(newNode, root);
        }
        return fChild;
    }
    else
    //if (accept == NodeFilter.REJECT_NODE)
    {
        return getPreviousSibling(newNode, root);
    }

}

项目：OpenJSharp 文件：TreeWalkerImpl.java

/** Internal function.
 *  Return the first child Node, from the input node
 *  after applying filter, whatToshow.
 *  The current node is not consulted or set.
 */
Node getFirstChild(Node node) {
    if (node == null) return null;

    if ( !fEntityReferenceExpansion
         && node.getNodeType() == Node.ENTITY_REFERENCE_NODE)
        return null;
    Node newNode = node.getFirstChild();
    if (newNode == null)  return null;
    int accept = acceptNode(newNode);

    if (accept == NodeFilter.FILTER_ACCEPT)
        return newNode;
    else
    if (accept == NodeFilter.FILTER_SKIP
        && newNode.hasChildNodes())
    {
        Node fChild = getFirstChild(newNode);

        if (fChild == null) {
            return getNextSibling(newNode, node);
        }
        return fChild;
    }
    else
    //if (accept == NodeFilter.REJECT_NODE)
    {
        return getNextSibling(newNode, node);
    }


}

项目：OpenJSharp 文件：TreeWalkerImpl.java

/** Internal function.
 *  Return the last child Node, from the input node
 *  after applying filter, whatToshow.
 *  The current node is not consulted or set.
 */
Node getLastChild(Node node) {

    if (node == null) return null;

    if ( !fEntityReferenceExpansion
         && node.getNodeType() == Node.ENTITY_REFERENCE_NODE)
        return null;

    Node newNode = node.getLastChild();
    if (newNode == null)  return null;

    int accept = acceptNode(newNode);

    if (accept == NodeFilter.FILTER_ACCEPT)
        return newNode;
    else
    if (accept == NodeFilter.FILTER_SKIP
        && newNode.hasChildNodes())
    {
        Node lChild = getLastChild(newNode);
        if (lChild == null) {
            return getPreviousSibling(newNode, node);
        }
        return lChild;
    }
    else
    //if (accept == NodeFilter.REJECT_NODE)
    {
        return getPreviousSibling(newNode, node);
    }


}

项目：OpenJSharp 文件：TreeWalkerImpl.java

/** Internal function.
 *  The node whatToShow and the filter are combined into one result. */
short acceptNode(Node node) {
    /***
     7.1.2.4. Filters and whatToShow flags

     Iterator and TreeWalker apply whatToShow flags before applying Filters. If a node is rejected by the
     active whatToShow flags, a Filter will not be called to evaluate that node. When a node is rejected by
     the active whatToShow flags, children of that node will still be considered, and Filters may be called to
     evaluate them.
     ***/

    if (fNodeFilter == null) {
        if ( ( fWhatToShow & (1 << node.getNodeType()-1)) != 0) {
            return NodeFilter.FILTER_ACCEPT;
        } else {
            return NodeFilter.FILTER_SKIP;
        }
    } else {
        if ((fWhatToShow & (1 << node.getNodeType()-1)) != 0 ) {
            return fNodeFilter.acceptNode(node);
        } else {
            // What to show has failed. See above excerpt from spec.
            // Equivalent to FILTER_SKIP.
            return NodeFilter.FILTER_SKIP;
        }
    }
}

项目：OpenJSharp 文件：XMLSerializer.java

/**
 * Prints attribute.
 * NOTE: xml:space attribute modifies output format
 *
 * @param name
 * @param value
 * @param isSpecified
 * @exception IOException
 */
private void printAttribute (String name, String value, boolean isSpecified, Attr attr) throws IOException{

    if (isSpecified || (features & DOMSerializerImpl.DISCARDDEFAULT) == 0) {
        if (fDOMFilter !=null &&
            (fDOMFilter.getWhatToShow() & NodeFilter.SHOW_ATTRIBUTE)!= 0) {
            short code = fDOMFilter.acceptNode(attr);
            switch (code) {
                case NodeFilter.FILTER_REJECT:
                case NodeFilter.FILTER_SKIP: {
                    return;
                }
                default: {
                    // fall through
                }
            }
        }
        _printer.printSpace();
        _printer.printText( name );
        _printer.printText( "=\"" );
        printEscaped( value );
        _printer.printText( '"' );
    }

    // If the attribute xml:space exists, determine whether
    // to preserve spaces in this and child nodes based on
    // its value.
    if (name.equals( "xml:space" )) {
        if (value.equals( "preserve" ))
            fPreserveSpace = true;
        else
            fPreserveSpace = _format.getPreserveSpace();
    }
}

项目：openjdk-jdk10 文件：NodeIteratorImpl.java

/** Public constructor */
public NodeIteratorImpl( DocumentImpl document,
                         Node root,
                         int whatToShow,
                         NodeFilter nodeFilter,
                         boolean entityReferenceExpansion) {
    fDocument = document;
    fRoot = root;
    fCurrentNode = null;
    fWhatToShow = whatToShow;
    fNodeFilter = nodeFilter;
    fEntityReferenceExpansion = entityReferenceExpansion;
}

项目：openjdk-jdk10 文件：NodeIteratorImpl.java

/** The node is accepted if it passes the whatToShow and the filter. */
boolean acceptNode(Node node) {

    if (fNodeFilter == null) {
        return ( fWhatToShow & (1 << node.getNodeType()-1)) != 0 ;
    } else {
        return ((fWhatToShow & (1 << node.getNodeType()-1)) != 0 )
            && fNodeFilter.acceptNode(node) == NodeFilter.FILTER_ACCEPT;
    }
}

项目：openjdk-jdk10 文件：DocumentImpl.java

/**
 * Create and return a TreeWalker.
 *
 * @param root The root of the iterator.
 * @param whatToShow The whatToShow mask.
 * @param filter The NodeFilter installed. Null means no filter.
 * @param entityReferenceExpansion true to expand the contents of
 *                                 EntityReference nodes
 * @since WD-DOM-Level-2-19990923
 */
public TreeWalker createTreeWalker(Node root,
                                   int whatToShow,
                                   NodeFilter filter,
                                   boolean entityReferenceExpansion)
{
    if (root == null) {
        String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "NOT_SUPPORTED_ERR", null);
        throw new DOMException(DOMException.NOT_SUPPORTED_ERR, msg);
    }
    return new TreeWalkerImpl(root, whatToShow, filter,
                              entityReferenceExpansion);
}

项目：openjdk-jdk10 文件：TreeWalkerImpl.java

/** Public constructor */
public TreeWalkerImpl(Node root,
                      int whatToShow,
                      NodeFilter nodeFilter,
                      boolean entityReferenceExpansion) {
    fCurrentNode = root;
    fRoot = root;
    fWhatToShow = whatToShow;
    fNodeFilter = nodeFilter;
    fEntityReferenceExpansion = entityReferenceExpansion;
}

项目：openjdk-jdk10 文件：TreeWalkerImpl.java

/** Internal function.
 *  Return the nextSibling Node, from the input node
 *  after applying filter, whatToshow.
 *  NEVER TRAVERSES ABOVE THE SPECIFIED ROOT NODE.
 *  The current node is not consulted or set.
 */
Node getNextSibling(Node node, Node root) {

    if (node == null || node == root) return null;

    Node newNode = node.getNextSibling();
    if (newNode == null) {

        newNode = node.getParentNode();

        if (newNode == null || newNode == root)  return null;

        int parentAccept = acceptNode(newNode);

        if (parentAccept==NodeFilter.FILTER_SKIP) {
            return getNextSibling(newNode, root);
        }

        return null;
    }

    int accept = acceptNode(newNode);

    if (accept == NodeFilter.FILTER_ACCEPT)
        return newNode;
    else
    if (accept == NodeFilter.FILTER_SKIP) {
        Node fChild = getFirstChild(newNode);
        if (fChild == null) {
            return getNextSibling(newNode, root);
        }
        return fChild;
    }
    else
    //if (accept == NodeFilter.REJECT_NODE)
    {
        return getNextSibling(newNode, root);
    }

}

项目：openjdk-jdk10 文件：TreeWalkerImpl.java

/** Internal function.
 *  Return the previousSibling Node, from the input node
 *  after applying filter, whatToshow.
     *  NEVER TRAVERSES ABOVE THE SPECIFIED ROOT NODE.
 *  The current node is not consulted or set.
 */
Node getPreviousSibling(Node node, Node root) {

    if (node == null || node == root) return null;

    Node newNode = node.getPreviousSibling();
    if (newNode == null) {

        newNode = node.getParentNode();
        if (newNode == null || newNode == root)  return null;

        int parentAccept = acceptNode(newNode);

        if (parentAccept==NodeFilter.FILTER_SKIP) {
            return getPreviousSibling(newNode, root);
        }

        return null;
    }

    int accept = acceptNode(newNode);

    if (accept == NodeFilter.FILTER_ACCEPT)
        return newNode;
    else
    if (accept == NodeFilter.FILTER_SKIP) {
        Node fChild =  getLastChild(newNode);
        if (fChild == null) {
            return getPreviousSibling(newNode, root);
        }
        return fChild;
    }
    else
    //if (accept == NodeFilter.REJECT_NODE)
    {
        return getPreviousSibling(newNode, root);
    }

}