domdocument.hpp

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     * The source node is not altered or removed from the original document;
     * this method creates a new copy of the source node.
     * <br>For all nodes, importing a node creates a node object owned by the
     * importing document, with attribute values identical to the source
     * node's <code>nodeName</code> and <code>nodeType</code>, plus the
     * attributes related to namespaces (<code>prefix</code>,
     * <code>localName</code>, and <code>namespaceURI</code>). As in the
     * <code>cloneNode</code> operation on a <code>DOMNode</code>, the source
     * node is not altered.
     * <br>Additional information is copied as appropriate to the
     * <code>nodeType</code>, attempting to mirror the behavior expected if
     * a fragment of XML source was copied from one document to
     * another, recognizing that the two documents may have different DTDs
     * in the XML case. The following list describes the specifics for each
     * type of node.
     * <dl>
     * <dt>ATTRIBUTE_NODE</dt>
     * <dd>The <code>ownerElement</code> attribute
     * is set to <code>null</code> and the <code>specified</code> flag is
     * set to <code>true</code> on the generated <code>DOMAttr</code>. The
     * descendants of the source <code>DOMAttr</code> are recursively imported
     * and the resulting nodes reassembled to form the corresponding subtree.
     * Note that the <code>deep</code> parameter has no effect on
     * <code>DOMAttr</code> nodes; they always carry their children with them
     * when imported.</dd>
     * <dt>DOCUMENT_FRAGMENT_NODE</dt>
     * <dd>If the <code>deep</code> option
     * was set to <code>true</code>, the descendants of the source element
     * are recursively imported and the resulting nodes reassembled to form
     * the corresponding subtree. Otherwise, this simply generates an empty
     * <code>DOMDocumentFragment</code>.</dd>
     * <dt>DOCUMENT_NODE</dt>
     * <dd><code>DOMDocument</code>
     * nodes cannot be imported.</dd>
     * <dt>DOCUMENT_TYPE_NODE</dt>
     * <dd><code>DOMDocumentType</code>
     * nodes cannot be imported.</dd>
     * <dt>ELEMENT_NODE</dt>
     * <dd>Specified attribute nodes of the
     * source element are imported, and the generated <code>DOMAttr</code>
     * nodes are attached to the generated <code>DOMElement</code>. Default
     * attributes are not copied, though if the document being imported into
     * defines default attributes for this element name, those are assigned.
     * If the <code>importNode</code> <code>deep</code> parameter was set to
     * <code>true</code>, the descendants of the source element are
     * recursively imported and the resulting nodes reassembled to form the
     * corresponding subtree.</dd>
     * <dt>ENTITY_NODE</dt>
     * <dd><code>DOMEntity</code> nodes can be
     * imported, however in the current release of the DOM the
     * <code>DOMDocumentType</code> is readonly. Ability to add these imported
     * nodes to a <code>DOMDocumentType</code> will be considered for addition
     * to a future release of the DOM.On import, the <code>publicId</code>,
     * <code>systemId</code>, and <code>notationName</code> attributes are
     * copied. If a <code>deep</code> import is requested, the descendants
     * of the the source <code>DOMEntity</code> are recursively imported and
     * the resulting nodes reassembled to form the corresponding subtree.</dd>
     * <dt>
     * ENTITY_REFERENCE_NODE</dt>
     * <dd>Only the <code>DOMEntityReference</code> itself is
     * copied, even if a <code>deep</code> import is requested, since the
     * source and destination documents might have defined the entity
     * differently. If the document being imported into provides a
     * definition for this entity name, its value is assigned.</dd>
     * <dt>NOTATION_NODE</dt>
     * <dd>
     * <code>DOMNotation</code> nodes can be imported, however in the current
     * release of the DOM the <code>DOMDocumentType</code> is readonly. Ability
     * to add these imported nodes to a <code>DOMDocumentType</code> will be
     * considered for addition to a future release of the DOM.On import, the
     * <code>publicId</code> and <code>systemId</code> attributes are copied.
     * Note that the <code>deep</code> parameter has no effect on
     * <code>DOMNotation</code> nodes since they never have any children.</dd>
     * <dt>
     * PROCESSING_INSTRUCTION_NODE</dt>
     * <dd>The imported node copies its
     * <code>target</code> and <code>data</code> values from those of the
     * source node.</dd>
     * <dt>TEXT_NODE, CDATA_SECTION_NODE, COMMENT_NODE</dt>
     * <dd>These three
     * types of nodes inheriting from <code>DOMCharacterData</code> copy their
     * <code>data</code> and <code>length</code> attributes from those of
     * the source node.</dd>
     * </dl>
     * @param importedNode The node to import.
     * @param deep If <code>true</code>, recursively import the subtree under
     *   the specified node; if <code>false</code>, import only the node
     *   itself, as explained above. This has no effect on <code>DOMAttr</code>
     *   , <code>DOMEntityReference</code>, and <code>DOMNotation</code> nodes.
     * @return The imported node that belongs to this <code>DOMDocument</code>.
     * @exception DOMException
     *   NOT_SUPPORTED_ERR: Raised if the type of node being imported is not
     *   supported.
     * @since DOM Level 2
     */
    virtual DOMNode        *importNode(DOMNode *importedNode, bool deep) = 0;

    /**
     * Creates an element of the given qualified name and namespace URI.
     * @param namespaceURI The namespace URI of the element to create.
     * @param qualifiedName The qualified name of the element type to
     *   instantiate.
     * @return A new <code>DOMElement</code> object with the following
     *   attributes:
     * <table border='1'>
     * <tr>
     * <td valign='top' rowspan='1' colspan='1'><code>Attribute</code></td>
     * <td valign='top' rowspan='1' colspan='1'>
     *   <code>Value</code></td>
     * </tr>
     * <tr>
     * <td valign='top' rowspan='1' colspan='1'><code>DOMNode.nodeName</code></td>
     * <td valign='top' rowspan='1' colspan='1'>
     *   <code>qualifiedName</code></td>
     * </tr>
     * <tr>
     * <td valign='top' rowspan='1' colspan='1'><code>DOMNode.namespaceURI</code></td>
     * <td valign='top' rowspan='1' colspan='1'>
     *   <code>namespaceURI</code></td>
     * </tr>
     * <tr>
     * <td valign='top' rowspan='1' colspan='1'><code>DOMNode.prefix</code></td>
     * <td valign='top' rowspan='1' colspan='1'>prefix, extracted
     *   from <code>qualifiedName</code>, or <code>null</code> if there is
     *   no prefix</td>
     * </tr>
     * <tr>
     * <td valign='top' rowspan='1' colspan='1'><code>DOMNode.localName</code></td>
     * <td valign='top' rowspan='1' colspan='1'>local name, extracted from
     *   <code>qualifiedName</code></td>
     * </tr>
     * <tr>
     * <td valign='top' rowspan='1' colspan='1'><code>DOMElement.tagName</code></td>
     * <td valign='top' rowspan='1' colspan='1'>
     *   <code>qualifiedName</code></td>
     * </tr>
     * </table>
     * @exception DOMException
     *   INVALID_CHARACTER_ERR: Raised if the specified qualified name
     *   contains an illegal character, per the XML 1.0 specification .
     *   <br>NAMESPACE_ERR: Raised if the <code>qualifiedName</code> is
     *   malformed per the Namespaces in XML specification, if the
     *   <code>qualifiedName</code> has a prefix and the
     *   <code>namespaceURI</code> is <code>null</code>, or if the
     *   <code>qualifiedName</code> has a prefix that is "xml" and the
     *   <code>namespaceURI</code> is different from "
     *   http://www.w3.org/XML/1998/namespace" .
     *   <br>NOT_SUPPORTED_ERR: Always thrown if the current document does not
     *   support the <code>"XML"</code> feature, since namespaces were
     *   defined by XML.
     * @since DOM Level 2
     */
    virtual DOMElement         *createElementNS(const XMLCh *namespaceURI,
	                                              const XMLCh *qualifiedName) = 0;

    /**
     * Creates an attribute of the given qualified name and namespace URI.
     * @param namespaceURI The namespace URI of the attribute to create.
     * @param qualifiedName The qualified name of the attribute to
     *   instantiate.
     * @return A new <code>DOMAttr</code> object with the following attributes:
     * <table border='1'>
     * <tr>
     * <td valign='top' rowspan='1' colspan='1'><code>Attribute</code></td>
     * <td valign='top' rowspan='1' colspan='1'>
     *   <code>Value</code></td>
     * </tr>
     * <tr>
     * <td valign='top' rowspan='1' colspan='1'><code>DOMNode.nodeName</code></td>
     * <td valign='top' rowspan='1' colspan='1'>qualifiedName</td>
     * </tr>
     * <tr>
     * <td valign='top' rowspan='1' colspan='1'>
     *   <code>DOMNode.namespaceURI</code></td>
     * <td valign='top' rowspan='1' colspan='1'><code>namespaceURI</code></td>
     * </tr>
     * <tr>
     * <td valign='top' rowspan='1' colspan='1'>
     *   <code>DOMNode.prefix</code></td>
     * <td valign='top' rowspan='1' colspan='1'>prefix, extracted from
     *   <code>qualifiedName</code>, or <code>null</code> if there is no
     *   prefix</td>
     * </tr>
     * <tr>
     * <td valign='top' rowspan='1' colspan='1'><code>DOMNode.localName</code></td>
     * <td valign='top' rowspan='1' colspan='1'>local name, extracted from
     *   <code>qualifiedName</code></td>
     * </tr>
     * <tr>
     * <td valign='top' rowspan='1' colspan='1'><code>DOMAttr.name</code></td>
     * <td valign='top' rowspan='1' colspan='1'>
     *   <code>qualifiedName</code></td>
     * </tr>
     * <tr>
     * <td valign='top' rowspan='1' colspan='1'><code>DOMNode.nodeValue</code></td>
     * <td valign='top' rowspan='1' colspan='1'>the empty
     *   string</td>
     * </tr>
     * </table>
     * @exception DOMException
     *   INVALID_CHARACTER_ERR: Raised if the specified qualified name
     *   contains an illegal character, per the XML 1.0 specification .
     *   <br>NAMESPACE_ERR: Raised if the <code>qualifiedName</code> is
     *   malformed per the Namespaces in XML specification, if the
     *   <code>qualifiedName</code> has a prefix and the
     *   <code>namespaceURI</code> is <code>null</code>, if the
     *   <code>qualifiedName</code> has a prefix that is "xml" and the
     *   <code>namespaceURI</code> is different from "
     *   http://www.w3.org/XML/1998/namespace", or if the
     *   <code>qualifiedName</code>, or its prefix, is "xmlns" and the
     *   <code>namespaceURI</code> is different from "
     *   http://www.w3.org/2000/xmlns/".
     *   <br>NOT_SUPPORTED_ERR: Always thrown if the current document does not
     *   support the <code>"XML"</code> feature, since namespaces were
     *   defined by XML.
     * @since DOM Level 2
     */
    virtual DOMAttr        *createAttributeNS(const XMLCh *namespaceURI,
	                                            const XMLCh *qualifiedName) = 0;

    /**
     * Returns a <code>DOMNodeList</code> of all the <code>DOMElement(s)</code> with a
     * given local name and namespace URI in the order in which they are
     * encountered in a preorder traversal of the <code>DOMDocument</code> tree.
     * @param namespaceURI The namespace URI of the elements to match on. The
     *   special value "*" matches all namespaces.
     * @param localName The local name of the elements to match on. The
     *   special value "*" matches all local names.
     * @return A new <code>DOMNodeList</code> object containing all the matched
     *   <code>DOMElement(s)</code>.
     * @since DOM Level 2
     */
    virtual DOMNodeList        *getElementsByTagNameNS(const XMLCh *namespaceURI,
	                                                     const XMLCh *localName) const = 0;

    /**
     * Returns the <code>DOMElement</code> whose <code>ID</code> is given by
     * <code>elementId</code>. If no such element exists, returns
     * <code>null</code>. Behavior is not defined if more than one element
     * has this <code>ID</code>. The DOM implementation must have
     * information that says which attributes are of type ID. Attributes
     * with the name "ID" are not of type ID unless so defined.
     * Implementations that do not know whether attributes are of type ID or
     * not are expected to return <code>null</code>.
     * @param elementId The unique <code>id</code> value for an element.
     * @return The matching element.
     * @since DOM Level 2
     */
    virtual  DOMElement        * getElementById(const XMLCh *elementId) const = 0;
    //@}

    /** @name Functions introduced in DOM Level 3. */
    //@{

    /**
     * An attribute specifying the actual encoding of this document. This is
     * <code>null</code> otherwise.
     * <br> This attribute represents the property [character encoding scheme]
     * defined in.
     *
     * <p><b>"Experimental - subject to change"</b></p>
     *
     * @since DOM Level 3
     */
    virtual const XMLCh*           getActualEncoding() const = 0;

    /**
     * An attribute specifying the actual encoding of this document. This is
     * <code>null</code> otherwise.
     * <br> This attribute represents the property [character encoding scheme]
     * defined in .
     *
     * <p><b>"Experimental - subject to change"</b></p>
     *
     * @since DOM Level 3
     */
    virtual void                   setActualEncoding(const XMLCh* actualEncoding) = 0;

    /**
     * An attribute specifying, as part of the XML declaration, the encoding
     * of this document. This is <code>null</code> when unspecified.
     *
     * <p><b>"Experimental - subject to change"</b></p>
     *
     * @since DOM Level 3
     */
    virtual const XMLCh*           getEncoding() const = 0;

    /**
     * An attribute specifying, as part of the XML declaration, the encoding
     * of this document. This is <code>null</code> when unspecified.
     *
     * <p><b>"Experimental - subject to change"</b></p>
     *
     * @since DOM Level 3
     */
    virtual void                   setEncoding(const XMLCh* encoding) = 0;

    /**
     * An attribute specifying, as part of the XML declaration, whether this
     * document is standalone.
     * <br> This attribute represents the property [standalone] defined in .
     *