File indexing completed on 2024-04-28 15:22:57

 /*
  * This file is part of the DOM implementation for KDE.
  *
  * Copyright 1999 Lars Knoll (knoll@kde.org)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  * This file includes excerpts from the Document Object Model (DOM)
  * Level 1 Specification (Recommendation)
  * https://www.w3.org/TR/REC-DOM-Level-1/
  * Copyright © World Wide Web Consortium , (Massachusetts Institute of
  * Technology , Institut National de Recherche en Informatique et en
  * Automatique , Keio University ). All Rights Reserved.
  *
  */
 #ifndef _DOM_Node_h_
 #define _DOM_Node_h_
 
 #include <khtml_export.h>
 #include <QString>
 
 class QRect;
 
 namespace KJS
 {
 class HTMLDocument;
 class Window;
 }
 namespace DOM
 {
 
 class Node;
 class DOMString;
 class NodeImpl;
 class NamedNodeMapImpl;
 class EventListener;
 class Event;
 
 /**
  * Objects implementing the \c NamedNodeMap interface are
  * used to represent collections of nodes that can be accessed by
  * name. Note that \c NamedNodeMap does not inherit from
  * \c NodeList ; \c NamedNodeMap s are not
  * maintained in any particular order. Objects contained in an object
  * implementing \c NamedNodeMap may also be accessed by an
  * ordinal index, but this is simply to allow convenient enumeration
  * of the contents of a \c NamedNodeMap , and does not
  * imply that the DOM specifies an order to these Nodes.
  *
  */
 class KHTML_EXPORT NamedNodeMap
 {
 public:
     NamedNodeMap();
     NamedNodeMap(const NamedNodeMap &other);
 
     NamedNodeMap &operator = (const NamedNodeMap &other);
 
     ~NamedNodeMap();
 
     /**
      * The number of nodes in the map. The range of valid child node
      * indices is 0 to \c length-1 inclusive.
      *
      */
     unsigned long length() const;
 
     /**
      * Retrieves a node specified by name.
      *
      * @param name Name of a node to retrieve.
      *
      * @return A \c Node (of any type) with the specified
      * name, or \c null if the specified name did not
      * identify any node in the map.
      *
      */
     Node getNamedItem(const DOMString &name) const;
 
     /**
      * Adds a node using its \c nodeName attribute.
      *
      *  As the \c nodeName attribute is used to derive the
      * name which the node must be stored under, multiple nodes of
      * certain types (those that have a "special" string value) cannot
      * be stored as the names would clash. This is seen as preferable
      * to allowing nodes to be aliased.
      *
      * @param arg A node to store in a named node map. The node will
      * later be accessible using the value of the \c nodeName
      * attribute of the node. If a node with that name is
      * already present in the map, it is replaced by the new one.
      *
      * @return If the new \c Node replaces an existing
      * node with the same name the previously existing \c Node
      * is returned, otherwise \c null is returned.
      *
      * @exception DOMException
      * WRONG_DOCUMENT_ERR: Raised if \c arg was created
      * from a different document than the one that created the
      * \c NamedNodeMap .
      *
      *  NO_MODIFICATION_ALLOWED_ERR: Raised if this
      * \c NamedNodeMap is readonly.
      *
      *  INUSE_ATTRIBUTE_ERR: Raised if \c arg is an
      * \c Attr that is already an attribute of another
      * \c Element object. The DOM user must explicitly clone
      * \c Attr nodes to re-use them in other elements.
      *
      */
     Node setNamedItem(const Node &arg);
 
     /**
      * Removes a node specified by name. If the removed node is an
      * \c Attr with a default value it is immediately
      * replaced.
      *
      * @param name The name of a node to remove.
      *
      * @return The node removed from the map or \c null if
      * no node with such a name exists.
      *
      * @exception DOMException
      * NOT_FOUND_ERR: Raised if there is no node named \c name
      * in the map.
      *
      */
     Node removeNamedItem(const DOMString &name);
 
     /**
      * Returns the \c index th item in the map. If
      * \c index is greater than or equal to the number of nodes
      * in the map, this returns \c null .
      *
      * @param index Index into the map.
      *
      * @return The node at the \c index th position in the
      * \c NamedNodeMap , or \c null if that is
      * not a valid index.
      *
      */
     Node item(unsigned long index) const;
 
     /**
      * Introduced in DOM Level 2
      *
      * Retrieves a node specified by local name and namespace URI. HTML-only
      * DOM implementations do not need to implement this method.
      *
      * @param namespaceURI The namespace URI of the node to retrieve.
      *
      * @param localName The local name of the node to retrieve.
      *
      * @return A Node (of any type) with the specified local name and namespace
      * URI, or null if they do not identify any node in this map.
      */
     Node getNamedItemNS(const DOMString &namespaceURI,
                         const DOMString &localName) const;
 
     /**
      * Introduced in DOM Level 2
      *
      * Adds a node using its namespaceURI and localName. If a node with that
      * namespace URI and that local name is already present in this map, it is
      * replaced by the new one.
      * HTML-only DOM implementations do not need to implement this method.
      *
      * @param arg A node to store in this map. The node will later be
      * accessible using the value of its namespaceURI and localName attributes.
      *
      * @return If the new Node replaces an existing node the replaced Node is
      * returned, otherwise null is returned.
      *
      * @exception DOMException
      * WRONG_DOCUMENT_ERR: Raised if arg was created from a different document
      * than the one that created this map.
      *
      * NO_MODIFICATION_ALLOWED_ERR: Raised if this map is readonly.
      *
      * INUSE_ATTRIBUTE_ERR: Raised if arg is an Attr that is already an
      * attribute of another Element object. The DOM user must explicitly clone
      * Attr nodes to re-use them in other elements.
      */
     Node setNamedItemNS(const Node &arg);
 
     /**
      * Introduced in DOM Level 2
      *
      * Removes a node specified by local name and namespace URI. A removed
      * attribute may be known to have a default value when this map contains
      * the attributes attached to an element, as returned by the attributes
      * attribute of the Node interface. If so, an attribute immediately appears
      * containing the default value as well as the corresponding namespace URI,
      * local name, and prefix when applicable.
      * HTML-only DOM implementations do not need to implement this method.
      *
      * @param namespaceURI The namespace URI of the node to remove.
      *
      * @param localName The local name of the node to remove.
      *
      * @return The node removed from this map if a node with such a local name
      * and namespace URI exists.
      *
      * @exception DOMException
      * NOT_FOUND_ERR: Raised if there is no node with the specified
      * namespaceURI and localName in this map.
      *
      * NO_MODIFICATION_ALLOWED_ERR: Raised if this map is readonly.
      */
     Node removeNamedItemNS(const DOMString &namespaceURI,
                            const DOMString &localName);
 
     /**
      * @internal
      * not part of the DOM
      */
     NamedNodeMapImpl *handle() const
     {
         return impl;
     }
     bool isNull() const
     {
         return !impl;
     }
 
 protected:
     NamedNodeMap(NamedNodeMapImpl *i);
     NamedNodeMapImpl *impl;
 
     friend class Node;
     friend class DocumentType;
     friend class NodeImpl;
 };
 
 class NamedNodeMap;
 class NodeList;
 class Document;
 class DOMString;
 class StyleSheet;
 
 class NodeImpl;
 
 /**
  * The \c Node interface is the primary datatype for the
  * entire Document Object Model. It represents a single node in the
  * document tree. While all objects implementing the \c Node
  * interface expose methods for dealing with children, not all
  * objects implementing the \c Node interface may have
  * children. For example, \c Text nodes may not have
  * children, and adding children to such nodes results in a
  * \c DOMException being raised.
  *
  *  The attributes \c nodeName , \c nodeValue
  * and \c attributes are included as a mechanism to get at
  * node information without casting down to the specific derived
  * interface. In cases where there is no obvious mapping of these
  * attributes for a specific \c nodeType (e.g.,
  * \c nodeValue for an Element or \c attributes for a
  * Comment), this returns \c null . Note that the
  * specialized interfaces may contain additional and more convenient
  * mechanisms to get and set the relevant information.
  *
  */
 class KHTML_EXPORT Node
 {
     friend class NamedNodeMap;
     friend class NodeList;
     friend class HTMLCollection;
     friend class StyleSheet;
 
 public:
     Node() : impl(nullptr) {}
     Node(const Node &other);
 
     /**
      * @internal
      */
     Node(NodeImpl *_impl);
 
     Node &operator = (const Node &other);
 
     bool operator == (const Node &other) const;
 
     bool operator != (const Node &other) const;
 
     virtual ~Node();
     /**
      * An integer indicating which type of node this is.
      *
      *
      * <p>The values of \c nodeName, \c nodeValue,
      *  and \c attributes vary according to the node type as follows:
      *   <table  border="1">
      *     <tr>
      *       <td></td>
      *       <td>nodeName</td>
      *       <td>nodeValue</td>
      *       <td>attributes</td>
      *     </tr>
      *     <tr>
      *       <td>Element</td>
      *       <td>tagName</td>
      *       <td>null</td>
      *       <td>NamedNodeMap</td>
      *     </tr>
      *     <tr>
      *       <td>Attr</td>
      *       <td>name of attribute</td>
      *       <td>value of attribute</td>
      *       <td>null</td>
      *     </tr>
      *     <tr>
      *       <td>Text</td>
      *       <td>#text</td>
      *       <td>content of the text node</td>
      *       <td>null</td>
      *     </tr>
      *     <tr>
      *       <td>CDATASection</td>
      *       <td>#cdata-section</td>
      *       <td>content of the CDATA Section</td>
      *       <td>null</td>
      *     </tr>
      *     <tr>
      *       <td>EntityReference</td>
      *       <td>name of entity referenced</td>
      *       <td>null</td>
      *       <td>null</td>
      *       </tr>
      *     <tr>
      *       <td>Entity</td>
      *       <td>entity name</td>
      *       <td>null</td>
      *       <td>null</td>
      *     </tr>
      *     <tr>
      *       <td>ProcessingInstruction</td>
      *       <td>target</td>
      *       <td>entire content excluding the target</td>
      *       <td>null</td>
      *     </tr>
      *     <tr>
      *       <td>Comment</td>
      *       <td>#comment</td>
      *       <td>content of the comment</td>
      *       <td>null</td>
      *     </tr>
      *     <tr>
      *       <td>Document</td>
      *       <td>#document</td>
      *       <td>null</td>
      *       <td>null</td>
      *     </tr>
      *     <tr>
      *       <td>DocumentType</td>
      *       <td>document type name</td>
      *       <td>null</td>
      *       <td>null</td>
      *     </tr>
      *     <tr>
      *       <td>DocumentFragment</td>
      *       <td>#document-fragment</td>
      *       <td>null</td>
      *       <td>null</td>
      *     </tr>
      *     <tr>
      *       <td>Notation</td>
      *       <td>notation name</td>
      *       <td>null</td>
      *       <td>null</td>
      *     </tr>
      *   </table>
      * </p>
      */
     enum NodeType {
         ELEMENT_NODE = 1,
         ATTRIBUTE_NODE = 2,
         TEXT_NODE = 3,
         CDATA_SECTION_NODE = 4,
         ENTITY_REFERENCE_NODE = 5,
         ENTITY_NODE = 6,
         PROCESSING_INSTRUCTION_NODE = 7,
         COMMENT_NODE = 8,
         DOCUMENT_NODE = 9,
         DOCUMENT_TYPE_NODE = 10,
         DOCUMENT_FRAGMENT_NODE = 11,
         NOTATION_NODE = 12,
         XPATH_NAMESPACE_NODE = 13 //< Part of DOM L3 XPath, @since 4.5
     };
 
     /**
      * The name of this node, depending on its type; see the table
      * above.
      *
      */
     DOMString nodeName() const;
 
     /**
      * The value of this node, depending on its type; see the table
      * above.
      *
      * @exception DOMException
      * DOMSTRING_SIZE_ERR: Raised when it would return more characters
      * than fit in a \c DOMString variable on the
      * implementation platform.
      *
      */
     DOMString nodeValue() const;
 
     /**
      * see nodeValue
      * @exception DOMException
      * NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly.
      *
      */
     void setNodeValue(const DOMString &);
 
     /**
      * A code representing the type of the underlying object, as
      * defined above.
      *
      */
     unsigned short nodeType() const;
 
     /**
      * The parent of this node. All nodes, except \c Document
      * , \c DocumentFragment , and \c Attr
      * may have a parent. However, if a node has just been
      * created and not yet added to the tree, or if it has been
      * removed from the tree, this is \c null .
      *
      */
     Node parentNode() const;
 
     /**
      * A \c NodeList that contains all children of this
      * node. If there are no children, this is a \c NodeList
      * containing no nodes. The content of the returned
      * \c NodeList is &quot;live&quot; in the sense that, for
      * instance, changes to the children of the node object that it
      * was created from are immediately reflected in the nodes
      * returned by the \c NodeList accessors; it is not a
      * static snapshot of the content of the node. This is true for
      * every \c NodeList , including the ones returned by
      * the \c getElementsByTagName method.
      *
      */
     NodeList childNodes() const;
 
     /**
      * The first child of this node. If there is no such node, this
      * returns \c null .
      *
      */
     Node firstChild() const;
 
     /**
      * The last child of this node. If there is no such node, this
      * returns \c null .
      *
      */
     Node lastChild() const;
 
     /**
      * The node immediately preceding this node. If there is no such
      * node, this returns \c null .
      *
      */
     Node previousSibling() const;
 
     /**
      * The node immediately following this node. If there is no such
      * node, this returns \c null .
      *
      */
     Node nextSibling() const;
 
     /**
      * A \c NamedNodeMap containing the attributes of this
      * node (if it is an \c Element ) or \c null
      * otherwise.
      *
      */
     NamedNodeMap attributes() const;
 
     /**
      * The \c Document object associated with this node.
      * This is also the \c Document object used to create
      * new nodes. When this node is a \c Document this is
      * \c null .
      *
      */
     Document ownerDocument() const;
 
     /**
      * Inserts the node \c newChild before the existing
      * child node \c refChild . If \c refChild
      * is \c null , insert \c newChild at the
      * end of the list of children.
      *
      *  If \c newChild is a \c DocumentFragment
      * object, all of its children are inserted, in the same
      * order, before \c refChild . If the \c newChild
      * is already in the tree, it is first removed.
      *
      * @param newChild The node to insert.
      *
      * @param refChild The reference node, i.e., the node before which
      * the new node must be inserted.
      *
      * @return The node being inserted.
      *
      * @exception DOMException
      * HIERARCHY_REQUEST_ERR: Raised if this node is of a type that
      * does not allow children of the type of the \c newChild
      * node, or if the node to insert is one of this node's
      * ancestors.
      *
      *  WRONG_DOCUMENT_ERR: Raised if \c newChild was
      * created from a different document than the one that created
      * this node.
      *
      *  NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
      *
      *  NOT_FOUND_ERR: Raised if \c refChild is not a
      * child of this node.
      *
      */
     Node insertBefore(const Node &newChild, const Node &refChild);
 
     /**
      * Replaces the child node \c oldChild with
      * \c newChild in the list of children, and returns the
      * \c oldChild node. If the \c newChild is
      * already in the tree, it is first removed.
      *
      * @param newChild The new node to put in the child list.
      *
      * @param oldChild The node being replaced in the list.
      *
      * @return The node replaced.
      *
      * @exception DOMException
      * HIERARCHY_REQUEST_ERR: Raised if this node is of a type that
      * does not allow children of the type of the \c newChild
      * node, or it the node to put in is one of this node's
      * ancestors.
      *
      *  WRONG_DOCUMENT_ERR: Raised if \c newChild was
      * created from a different document than the one that created
      * this node.
      *
      *  NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
      *
      *  NOT_FOUND_ERR: Raised if \c oldChild is not a
      * child of this node.
      *
      */
     Node replaceChild(const Node &newChild, const Node &oldChild);
 
     /**
      * Removes the child node indicated by \c oldChild
      * from the list of children, and returns it.
      *
      * @param oldChild The node being removed.
      *
      * @return The node removed.
      *
      * @exception DOMException
      * NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
      *
      *  NOT_FOUND_ERR: Raised if \c oldChild is not a
      * child of this node.
      *
      */
     Node removeChild(const Node &oldChild);
 
     /**
      * Adds the node \c newChild to the end of the list of
      * children of this node. If the \c newChild is
      * already in the tree, it is first removed.
      *
      * @param newChild The node to add.
      *
      *  If it is a \c DocumentFragment object, the entire
      * contents of the document fragment are moved into the child list
      * of this node
      *
      * @return The node added.
      *
      * @exception DOMException
      * HIERARCHY_REQUEST_ERR: Raised if this node is of a type that
      * does not allow children of the type of the \c newChild
      * node, or if the node to append is one of this node's
      * ancestors.
      *
      *  WRONG_DOCUMENT_ERR: Raised if \c newChild was
      * created from a different document than the one that created
      * this node.
      *
      *  NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
      *
      */
     Node appendChild(const Node &newChild);
 
     /**
      * This is a convenience method to allow easy determination of
      * whether a node has any children.
      *
      * @return \c true if the node has any children,
      * \c false if the node has no children.
      *
      */
     bool hasChildNodes();
 
     /**
      * Returns a duplicate of this node, i.e., serves as a generic
      * copy constructor for nodes. The duplicate node has no parent (
      * \c parentNode returns \c null .).
      *
      *  Cloning an \c Element copies all attributes and
      * their values, including those generated by the XML processor to
      * represent defaulted attributes, but this method does not copy
      * any text it contains unless it is a deep clone, since the text
      * is contained in a child \c Text node. Cloning any
      * other type of node simply returns a copy of this node.
      *
      * @param deep If \c true , recursively clone the
      * subtree under the specified node; if \c false ,
      * clone only the node itself (and its attributes, if it is an
      * \c Element ).
      *
      * @return The duplicate node.
      *
      */
     Node cloneNode(bool deep);
 
     /**
      * Modified in DOM Level 2
      *
      * Puts all Text nodes in the full depth of the sub-tree underneath this
      * Node, including attribute nodes, into a "normal" form where only
      * structure (e.g., elements, comments, processing instructions, CDATA
      * sections, and entity references) separates Text nodes, i.e., there are
      * neither adjacent Text nodes nor empty Text nodes. This can be used to
      * ensure that the DOM view of a document is the same as if it were saved
      * and re-loaded, and is useful when operations (such as XPointer
      * [XPointer] lookups) that depend on a particular document tree structure
      * are to be used.
      *
      * Note: In cases where the document contains CDATASections, the normalize
      * operation alone may not be sufficient, since XPointers do not
      * differentiate between Text nodes and CDATASection nodes.
      */
     void normalize();
 
     /**
      * Introduced in DOM Level 2
      *
      * Tests whether the DOM implementation implements a specific feature and
      * that feature is supported by this node.
      *
      * @param feature The name of the feature to test. This is the same name
      * which can be passed to the method hasFeature on DOMImplementation.
      *
      * @param version This is the version number of the feature to test. In
      * Level 2, version 1, this is the string "2.0". If the version is not
      * specified, supporting any version of the feature will cause the method
      * to return true.
      *
      * @return Returns true if the specified feature is supported on this node,
      * false otherwise.
      */
     bool isSupported(const DOMString &feature,
                      const DOMString &version) const;
 
     /**
      * Introduced in DOM Level 2
      *
      * The namespace URI of this node, or null if it is unspecified.
      * This is not a computed value that is the result of a namespace lookup
      * based on an examination of the namespace declarations in scope. It is
      * merely the namespace URI given at creation time. For nodes of any type
      * other than ELEMENT_NODE and ATTRIBUTE_NODE and nodes created with a DOM
      * Level 1 method, such as createElement from the Document interface, this
      * is always null.
      *
      * Note: Per the Namespaces in XML Specification [Namespaces] an attribute
      * does not inherit its namespace from the element it is attached to. If an
      * attribute is not explicitly given a namespace, it simply has no
      * namespace.
      */
     DOMString namespaceURI() const;
 
     /**
      * Introduced in DOM Level 2
      *
      * The namespace prefix of this node, or null if it is unspecified.
      * Note that setting this attribute, when permitted, changes the nodeName
      * attribute, which holds the qualified name, as well as the tagName and
      * name attributes of the Element and Attr interfaces, when applicable.
      * Note also that changing the prefix of an attribute that is known to have
      * a default value, does not make a new attribute with the default value
      * and the original prefix appear, since the namespaceURI and localName do
      * not change.
      * For nodes of any type other than ELEMENT_NODE and ATTRIBUTE_NODE and
      * nodes created with a DOM Level 1 method, such as createElement from the
      * Document interface, this is always null.
      */
     DOMString prefix() const;
 
     /**
      * see prefix
      *
      * @exception DOMException
      * INVALID_CHARACTER_ERR: Raised if the specified prefix contains an
      * illegal character.
      *
      * NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
      *
      * NAMESPACE_ERR: Raised if the specified prefix is malformed, if the
      * namespaceURI of this node is null, if the specified prefix is "xml" and
      * the namespaceURI of this node is different from
      * "http://www.w3.org/XML/1998/namespace", if this node is an attribute and
      * the specified prefix is "xmlns" and the namespaceURI of this node is
      * different from "http://www.w3.org/2000/xmlns/", or if this node is an
      * attribute and the qualifiedName of this node is "xmlns" [Namespaces].
      */
     void setPrefix(const DOMString &prefix);
 
     /**
      * Introduced in DOM Level 2
      *
      * Returns the local part of the qualified name of this node.
      * For nodes of any type other than ELEMENT_NODE and ATTRIBUTE_NODE and
      * nodes created with a DOM Level 1 method, such as createElement from the
      * Document interface, this is always null.
      */
     DOMString localName() const;
 
     /**
      * Returns whether this node (if it is an element) has any attributes.
      * @return a boolean. True if this node has any attributes, false otherwise.
      *  Introduced in DOM Level 2
      */
     bool hasAttributes();
 
     /**
      * Introduced in DOM Level 2
      * This method is from the EventTarget interface
      *
      * This method allows the registration of event listeners on the event
      * target. If an EventListener is added to an EventTarget while it is
      * processing an event, it will not be triggered by the current actions but
      * may be triggered during a later stage of event flow, such as the
      * bubbling phase.
      *
      * If multiple identical EventListeners are registered on the same
      * EventTarget with the same parameters the duplicate instances are
      * discarded. They do not cause the EventListener to be called twice and
      * since they are discarded they do not need to be removed with the
      * removeEventListener method. Parameters
      *
      * @param type The event type for which the user is registering
      *
      * @param listener The listener parameter takes an interface implemented by
      * the user which contains the methods to be called when the event occurs.
      *
      * @param useCapture If true, useCapture indicates that the user wishes to
      * initiate capture. After initiating capture, all events of the specified
      * type will be dispatched to the registered EventListener before being
      * dispatched to any EventTargets beneath them in the tree. Events which
      * are bubbling upward through the tree will not trigger an EventListener
      * designated to use capture.
      */
     void addEventListener(const DOMString &type,
                           EventListener *listener,
                           const bool useCapture);
 
     /**
      * Introduced in DOM Level 2
      * This method is from the EventTarget interface
      *
      * This method allows the removal of event listeners from the event target.
      * If an EventListener is removed from an EventTarget while it is
      * processing an event, it will not be triggered by the current actions.
      *
      * EventListeners can never be invoked after being removed.
      *
      * Calling removeEventListener with arguments which do not identify any
      * currently registered EventListener on the EventTarget has no effect.
      *
      * @param type Specifies the event type of the EventListener being removed.
      *
      * @param listener The EventListener parameter indicates the EventListener
      * to be removed.
      *
      * @param useCapture Specifies whether the EventListener being removed was
      * registered as a capturing listener or not. If a listener was registered
      * twice, one with capture and one without, each must be removed
      * separately. Removal of a capturing listener does not affect a
      * non-capturing version of the same listener, and vice versa.
      */
 
     void removeEventListener(const DOMString &type,
                              EventListener *listener,
                              bool useCapture);
 
     /**
      * Introduced in DOM Level 2
      * This method is from the EventTarget interface
      *
      * This method allows the dispatch of events into the implementations event
      * model. Events dispatched in this manner will have the same capturing and
      * bubbling behavior as events dispatched directly by the implementation.
      * The target of the event is the EventTarget on which dispatchEvent is
      * called.
      *
      * @param evt Specifies the event type, behavior, and contextual
      * information to be used in processing the event.
      *
      * @return The return value of dispatchEvent indicates whether any of the
      * listeners which handled the event called preventDefault. If
      * preventDefault was called the value is false, else the value is true.
      *
      * @exception EventException
      * UNSPECIFIED_EVENT_TYPE_ERR: Raised if the Event's type was not specified
      * by initializing the event before dispatchEvent was called. Specification
      * of the Event's type as null or an empty string will also trigger this
      * exception.
      */
     bool dispatchEvent(const Event &evt);
 
     /**
      * Introduced in DOM Level 3
      *
      * This attribute returns the text content of this node and its
      * descendants. When it is defined to be null, setting it has no
      * effect. On setting, any possible children this node may have
      * are removed and, if it the new string is not empty or null,
      * replaced by a single Text node containing the string this
      * attribute is set to.
      * On getting, no serialization is performed, the returned string
      * does not contain any markup. No whitespace normalization is
      * performed and the returned string does not contain the white
      * spaces in element content (see the attribute
      * Text.isElementContentWhitespace). Similarly, on setting, no
      * parsing is performed either, the input string is taken as pure
      * textual content.
      */
     DOMString textContent() const;
 
     /**
      * see textContent()
      *
      * @exception DOMException
      * NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly.
      */
     void setTextContent(const DOMString &text);
 
     /**
      * Introduced in DOM Level 3.
      *
      * These constants represent bitflags returned by the compareDocumentPosition
      * method.
      *
      * @since 4.2.4
      */
     enum DocumentPosition {
         DOCUMENT_POSITION_DISCONNECTED = 0x01,
         DOCUMENT_POSITION_PRECEDING    = 0x02,
         DOCUMENT_POSITION_FOLLOWING    = 0x04,
         DOCUMENT_POSITION_CONTAINS     = 0x08,
         DOCUMENT_POSITION_CONTAINED_BY = 0x10,
         DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC = 0x20
     };
 
     /**
      * Introduced in DOM Level 3.
      *
      * This method compares the current node's position with that of 'other'
      * and returns it as a combination of DocumentPosition bitfields.
      * Here DOCUMENT_POSITION_FOLLOWING means that the 'other' is
      * after the current.
      *
      * The notion of order here is a logical one; for example attributes
      * are viewed as if they were children of an element inserted
      * right before the real children. The method will also assign
      * some total order even if the nodes are not connected.
      *
      * @since 4.2.4
      */
     unsigned compareDocumentPosition(const DOM::Node &other);
 
     /**
      * @internal
      * not part of the DOM.
      * @returns the element id, in case this is an element, 0 otherwise
      */
     quint32 elementId() const;
 
     /**
      * tests if this Node is 0. Useful especially, if casting to a derived
      * class:
      *
      * \code
      * Node n = .....;
      * // try to convert into an Element:
      * Element e = n;
      * if( e.isNull() )
      *   qCDebug(KHTML_LOG) << "node isn't an element node";
      * \endcode
      */
     bool isNull() const
     {
         return !impl;
     }
 
     /**
      * @internal handle to the implementation object
      */
     NodeImpl *handle() const
     {
         return impl;
     }
 
     /**
      * @internal returns the index of a node
      */
     unsigned long index() const;
 #ifndef KHTML_NO_DEPRECATED
     KHTML_DEPRECATED QString toHTML();
 #endif
     void applyChanges();
     /**
      * @deprecated without substitution since 3.2
      */
 #ifndef KHTML_NO_DEPRECATED
     KHTML_DEPRECATED void getCursor(int offset, int &_x, int &_y, int &height);
 #endif
     /**
      * not part of the DOM.
      * @returns the exact coordinates and size of this element.
      */
     QRect getRect();
 
 protected:
     NodeImpl *impl;
 };
 
 class NodeListImpl;
 
 /**
  * The \c NodeList interface provides the abstraction of
  * an ordered collection of nodes, without defining or constraining
  * how this collection is implemented.
  *
  *  The items in the \c NodeList are accessible via an
  * integral index, starting from 0.
  *
  */
 class KHTML_EXPORT NodeList
 {
     friend class Element;
     friend class Node;
     friend class Document;
     friend class DocumentFragment;
     friend class HTMLDocument;
     friend class KJS::HTMLDocument;
     friend class KJS::Window;
 
 public:
     NodeList();
     NodeList(const NodeList &other);
 
     NodeList &operator = (const NodeList &other);
 
     ~NodeList();
 
     /**
      * The number of nodes in the list. The range of valid child node
      * indices is 0 to \c length-1 inclusive.
      *
      */
     unsigned long length() const;
 
     /**
      * Returns the \c index th item in the collection. If
      * \c index is greater than or equal to the number of
      * nodes in the list, this returns \c null .
      *
      * @param index Index into the collection.
      *
      * @return The node at the \c index th position in the
      * \c NodeList , or \c null if that is not
      * a valid index.
      *
      */
     Node item(unsigned long index) const;
 
     /**
      * @internal
      * not part of the DOM
      */
     NodeListImpl *handle() const
     {
         return impl;
     }
     bool isNull() const
     {
         return !impl;
     }
 
 protected:
     NodeList(const NodeListImpl *i);
     NodeListImpl *impl;
 };
 
 /**
  * A DOMTimeStamp represents a number of milliseconds.
  *
  */
 typedef unsigned long long DOMTimeStamp;
 
 } //namespace
 #endif