domnode.hpp

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    /**
     * Gets the last child of this node.
     *
     * If there is no such node, this returns <code>null</code>.
     * @since DOM Level 1
     */
    virtual DOMNode        *getLastChild() const = 0;

    /**
     * Gets the node immediately preceding this node.
     *
     * If there is no such node, this returns <code>null</code>.
     * @since DOM Level 1
     */
    virtual DOMNode        *getPreviousSibling() const = 0;

    /**
     * Gets the node immediately following this node.
     *
     * If there is no such node, this returns <code>null</code>.
     * @since DOM Level 1
     */
    virtual DOMNode        *getNextSibling() const = 0;

    /**
     * Gets a <code>DOMNamedNodeMap</code> containing the attributes of this node (if it
     * is an <code>DOMElement</code>) or <code>null</code> otherwise.
     * @since DOM Level 1
     */
    virtual DOMNamedNodeMap  *getAttributes() const = 0;

    /**
     * Gets the <code>DOMDocument</code> object associated with this node.
     *
     * This is also
     * the <code>DOMDocument</code> object used to create new nodes. When this
     * node is a <code>DOMDocument</code> or a <code>DOMDocumentType</code>
     * which is not used with any <code>DOMDocument</code> yet, this is
     * <code>null</code>.
     *
     * @since DOM Level 1
     */
    virtual DOMDocument      *getOwnerDocument() const = 0;

    // -----------------------------------------------------------------------
    //  Node methods
    // -----------------------------------------------------------------------
    /**
     * Returns a duplicate of this node.
     *
     * This function serves as a generic copy constructor for nodes.
     *
     * The duplicate node has no parent (
     * <code>parentNode</code> returns <code>null</code>.).
     * <br>Cloning an <code>DOMElement</code> 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
     * <code>DOMText</code> node. Cloning any other type of node simply returns a
     * copy of this node.
     * @param deep If <code>true</code>, recursively clone the subtree under the
     *   specified node; if <code>false</code>, clone only the node itself (and
     *   its attributes, if it is an <code>DOMElement</code>).
     * @return The duplicate node.
     * @since DOM Level 1
     */
    virtual DOMNode        * cloneNode(bool deep) const = 0;

    /**
     * Inserts the node <code>newChild</code> before the existing child node
     * <code>refChild</code>.
     *
     * If <code>refChild</code> is <code>null</code>,
     * insert <code>newChild</code> at the end of the list of children.
     * <br>If <code>newChild</code> is a <code>DOMDocumentFragment</code> object,
     * all of its children are inserted, in the same order, before
     * <code>refChild</code>. If the <code>newChild</code> is already in the
     * tree, it is first removed.  Note that a <code>DOMNode</code> that
     * has never been assigned to refer to an actual node is == null.
     * @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 <code>newChild</code> node, or if
     *   the node to insert is one of this node's ancestors.
     *   <br>WRONG_DOCUMENT_ERR: Raised if <code>newChild</code> was created
     *   from a different document than the one that created this node.
     *   <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node or the node being
     *   inserted is readonly.
     *   <br>NOT_FOUND_ERR: Raised if <code>refChild</code> is not a child of
     *   this node.
     * @since DOM Level 1
     */
    virtual DOMNode       *insertBefore(DOMNode *newChild,
                                          DOMNode *refChild) = 0;


    /**
     * Replaces the child node <code>oldChild</code> with <code>newChild</code>
     * in the list of children, and returns the <code>oldChild</code> node.
     *
     * If <CODE>newChild</CODE> is a <CODE>DOMDocumentFragment</CODE> object,
     * <CODE>oldChild</CODE> is replaced by all of the <CODE>DOMDocumentFragment</CODE>
     * children, which are inserted in the same order.
     *
     * If the <code>newChild</code> 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 <code>newChild</code> node, or it
     *   the node to put in is one of this node's ancestors.
     *   <br>WRONG_DOCUMENT_ERR: Raised if <code>newChild</code> was created
     *   from a different document than the one that created this node.
     *   <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node or the new node is readonly.
     *   <br>NOT_FOUND_ERR: Raised if <code>oldChild</code> is not a child of
     *   this node.
     * @since DOM Level 1
     */
    virtual DOMNode  *replaceChild(DOMNode *newChild,
                                     DOMNode *oldChild) = 0;
    /**
     * Removes the child node indicated by <code>oldChild</code> 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.
     *   <br>NOT_FOUND_ERR: Raised if <code>oldChild</code> is not a child of
     *   this node.
     * @since DOM Level 1
     */
    virtual DOMNode        *removeChild(DOMNode *oldChild) = 0;

    /**
     * Adds the node <code>newChild</code> to the end of the list of children of
     * this node.
     *
     * If the <code>newChild</code> is already in the tree, it is
     * first removed.
     * @param newChild The node to add.If it is a  <code>DOMDocumentFragment</code>
     *   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 <code>newChild</code> node, or if
     *   the node to append is one of this node's ancestors.
     *   <br>WRONG_DOCUMENT_ERR: Raised if <code>newChild</code> was created
     *   from a different document than the one that created this node.
     *   <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node or the node being
     *   appended is readonly.
     * @since DOM Level 1
     */
    virtual DOMNode        *appendChild(DOMNode *newChild) = 0;

    // -----------------------------------------------------------------------
    //  Query methods
    // -----------------------------------------------------------------------
    /**
     *  This is a convenience method to allow easy determination of whether a
     * node has any children.
     *
     * @return  <code>true</code> if the node has any children,
     *   <code>false</code> if the node has no children.
     * @since DOM Level 1
     */
    virtual bool             hasChildNodes() const = 0;

    // -----------------------------------------------------------------------
    //  Setter methods
    // -----------------------------------------------------------------------
    /**
     * Sets the value of the node.
     *
     * Any node which can have a nodeValue (@see getNodeValue) will
     * also accept requests to set it to a string. The exact response to
     * this varies from node to node -- Attribute, for example, stores
     * its values in its children and has to replace them with a new Text
     * holding the replacement value.
     *
     * For most types of Node, value is null and attempting to set it
     * will throw DOMException(NO_MODIFICATION_ALLOWED_ERR). This will
     * also be thrown if the node is read-only.
     * @since DOM Level 1
     */
    virtual void              setNodeValue(const XMLCh  *nodeValue) = 0;
    //@}

    /** @name Functions introduced in DOM Level 2. */
    //@{
    /**
     * Puts all <CODE>DOMText</CODE>
     * nodes in the full depth of the sub-tree underneath this <CODE>DOMNode</CODE>,
     * including attribute nodes, into a "normal" form where only markup (e.g.,
     * tags, comments, processing instructions, CDATA sections, and entity
     * references) separates <CODE>DOMText</CODE>
     * nodes, i.e., there are neither adjacent <CODE>DOMText</CODE>
     * nodes nor empty <CODE>DOMText</CODE>
     * 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 lookups) that depend on a particular document tree
     * structure are to be used.
     * <P><B>Note:</B> In cases where the document contains <CODE>DOMCDATASections</CODE>,
     * the normalize operation alone may not be sufficient, since XPointers do
     * not differentiate between <CODE>DOMText</CODE>
     * nodes and <CODE>DOMCDATASection</CODE>
     * nodes.</P>
     *
     * @since DOM Level 2
     */
    virtual void              normalize() = 0;

    /**
     * Tests whether the DOM implementation implements a specific
     * feature and that feature is supported by this node.
     *
     * @param feature The string of the feature to test. This is the same
     * name as what can be passed to the method <code>hasFeature</code> on
     * <code>DOMImplementation</code>.
     * @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 <code>true</code>.
     * @return Returns <code>true</code> if the specified feature is supported
     * on this node, <code>false</code> otherwise.
     * @since DOM Level 2
     */
    virtual bool              isSupported(const XMLCh *feature,
	                                       const XMLCh *version) const = 0;

    /**
     * Get the <em>namespace URI</em> of
     * this node, or <code>null</code> if it is unspecified.
     * <p>
     * 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.
     * <p>
     * For nodes of any type other than <CODE>ELEMENT_NODE</CODE> and
     * <CODE>ATTRIBUTE_NODE</CODE> and nodes created with a DOM Level 1 method,
     * such as <CODE>createElement</CODE> from the <CODE>DOMDocument</CODE>
     * interface, this is always <CODE>null</CODE>.
     *
     * @since DOM Level 2
     */
    virtual const XMLCh *         getNamespaceURI() const = 0;

    /**
     * Get the <em>namespace prefix</em>
     * of this node, or <code>null</code> if it is unspecified.
     *
     * @since DOM Level 2
     */
    virtual const XMLCh *          getPrefix() const = 0;

    /**
     * Returns the local part of the <em>qualified name</em> of this node.
     * <p>
     * For nodes created with a DOM Level 1 method, such as
     * <code>createElement</code> from the <code>DOMDocument</code> interface,
     * it is null.
     *
     * @since DOM Level 2
     */
    virtual const XMLCh *          getLocalName() const = 0;

    /**
     * Set the <em>namespace prefix</em> of this node.
     * <p>
     * Note that setting this attribute, when permitted, changes
     * the <CODE>nodeName</CODE> attribute, which holds the <EM>qualified
     * name</EM>, as well as the <CODE>tagName</CODE> and <CODE>name</CODE>
     * attributes of the <CODE>DOMElement</CODE> and <CODE>DOMAttr</CODE>
     * interfaces, when applicable.
     * <p>
     * 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
     * <CODE>namespaceURI</CODE> and <CODE>localName</CODE> do not change.
     *
     *
     * @param prefix The prefix of this node.
     * @exception DOMException
     *   INVALID_CHARACTER_ERR: Raised if the specified prefix contains
     *                          an illegal character.
     * <br>
     *   NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
     * <br>
     *   NAMESPACE_ERR: Raised if the specified <CODE>prefix</CODE> is
     *      malformed, if the <CODE>namespaceURI</CODE> of this node is
     *      <CODE>null</CODE>, if the specified prefix is "xml" and the
     *      <CODE>namespaceURI</CODE> 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
     *      <CODE>namespaceURI</CODE> of this node is different from
     *      "http://www.w3.org/2000/xmlns/", or if this node is an attribute and
     *      the <CODE>qualifiedName</CODE> of this node is "xmlns".
     * @since DOM Level 2
     */
    virtual void              setPrefix(const XMLCh * prefix) = 0;

    /**
     *  Returns whether this node (if it is an element) has any attributes.
     * @return <code>true</code> if this node has any attributes,
     *   <code>false</code> otherwise.
     * @since DOM Level 2
     */
    virtual bool              hasAttributes() const = 0;
    //@}

    /** @name Functions introduced in DOM Level 3. */
    //@{
    /**
     * Returns whether this node is the same node as the given one.
     * <br>This method provides a way to determine whether two
     * <code>DOMNode</code> references returned by the implementation reference
     * the same object. When two <code>DOMNode</code> references are references
     * to the same object, even if through a proxy, the references may be
     * used completely interchangeably, such that all attributes have the
     * same values and calling the same DOM method on either reference
     * always has exactly the same effect.
     *
     * <p><b>"Experimental - subject to change"</b></p>
     *
     * @param other The node to test against.
     * @return Returns <code>true</code> if the nodes are the same,
     *   <code>false</code> otherwise.
     * @since DOM Level 3
     */
    virtual bool              isSameNode(const DOMNode* other) const = 0;

    /**
     * Tests whether two nodes are equal.
     * <br>This method tests for equality of nodes, not sameness (i.e.,
     * whether the two nodes are pointers to the same object) which can be
     * tested with <code>DOMNode::isSameNode</code>. All nodes that are the same
     * will also be equal, though the reverse may not be true.
     * <br>Two nodes are equal if and only if the following conditions are