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tdelibs/tdehtml/dom/dom_node.h

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/*
* This file is part of the DOM implementation for KDE.
*
* (C) 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)
* http://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.
*
* This file includes excerpts from the Document Object Model (DOM)
* Level 3 Core Specification (Recommendation)
* http://www.w3.org/TR/DOM-Level-3-Core/
* Copyright ©2004 W3C® (MIT, ERCIM, Keio), All Rights Reserved.
*/
#ifndef _DOM_Node_h_
#define _DOM_Node_h_
#include <tqstring.h>
#include <tdelibs_export.h>
class TQRect;
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 TDEHTML_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 TDEHTML_EXPORT Node
{
friend class NamedNodeMap;
friend class NodeList;
friend class HTMLCollection;
friend class StyleSheet;
public:
Node() : impl(0) {}
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
};
/**
* 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 3
*
* This attribute returns the text content of this node and its descendants.
* On getting, no serialization is performed, the returned string does not contain any markup.
*
* @since 3.5.7
*/
DOMString textContent( ) const;
/**
* Introduced in DOM Level 3
*
* @see textContent
*
* On setting, any possible children this node may have are removed and, if the new
* string is not empty or null, replaced by a single Text node containing the string this attribute is set to.
* No parsing is performed, the input string is taken as pure textual content.
*
* @exception DOMException
* NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
* Note: TDEHTML will also raise this if setContent is called on things
* that do not have child nodes.
*
* @since 3.5.7
*/
void setTextContent(const DOMString &content) const;
/**
* 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);
/**
* @internal
* not part of the DOM.
* @returns the element id, in case this is an element, 0 otherwise
*/
TQ_UINT32 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() )
* kdDebug(300) << "node isn't an element node" << endl;
* \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;
TQString toHTML() TDE_DEPRECATED;
void applyChanges();
/**
* @deprecated without substitution since 3.2
*/
void getCursor(int offset, int &_x, int &_y, int &height) TDE_DEPRECATED;
/**
* not part of the DOM.
* @returns the exact coordinates and size of this element.
*/
TQRect 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 TDEHTML_EXPORT NodeList
{
friend class Element;
friend class Node;
friend class Document;
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