Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 736 insertions, 0 deletions

diff --git a/khtml/xml/dom_nodeimpl.h b/khtml/xml/dom_nodeimpl.h
new file mode 100644
index 000000000..1ff150f6a
--- /dev/null
+++ b/khtml/xml/dom_nodeimpl.h
@@ -0,0 +1,736 @@
+/*
+ * This file is part of the DOM implementation for KDE.
+ *
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ *           (C) 2001 Dirk Mueller (mueller@kde.org)
+ *           (C) 2003 Apple Computer, Inc.
+ *
+ * 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.
+ *
+ */
+#ifndef _DOM_NodeImpl_h_
+#define _DOM_NodeImpl_h_
+
+#include "dom/dom_misc.h"
+#include "dom/dom_string.h"
+#include "dom/dom_node.h"
+#include "misc/helper.h"
+#include "misc/shared.h"
+
+// The namespace used for XHTML elements
+#define XHTML_NAMESPACE "http://www.w3.org/1999/xhtml"
+
+class QPainter;
+template <class type> class QPtrList;
+template <class type> class QValueList;
+class KHTMLView;
+class QRect;
+class QMouseEvent;
+class QKeyEvent;
+class QTextStream;
+
+namespace khtml {
+    class RenderStyle;
+    class RenderObject;
+    class RenderArena;
+}
+
+namespace DOM {
+
+class NodeListImpl;
+class NamedNodeMapImpl;
+class DocumentImpl;
+class CSSStyleDeclarationImpl;
+class RegisteredEventListener;
+class EventImpl;
+
+struct RegisteredListenerList {
+    RegisteredListenerList() : listeners(0)
+    {}
+
+    ~RegisteredListenerList();
+
+    void addEventListener(int id, EventListener *listener, const bool useCapture);
+    void removeEventListener(int id, EventListener *listener, bool useCapture);
+
+    void setHTMLEventListener(int id, EventListener *listener);
+    EventListener *getHTMLEventListener(int id);
+
+    bool hasEventListener(int id);
+    void clear();
+
+    //### KDE4: should disappear
+    bool stillContainsListener(const RegisteredEventListener& listener);
+
+    QValueList<RegisteredEventListener>* listeners;//The actual listener list - may be 0
+private:
+    bool isHTMLEventListener(EventListener* listener);
+};
+
+
+// this class implements nodes, which can have a parent but no children:
+#define NodeImpl_IdNSMask    0xffff0000
+#define NodeImpl_IdLocalMask 0x0000ffff
+
+const Q_UINT16 defaultNamespace = 0;
+const Q_UINT16 xhtmlNamespace = 1;
+const Q_UINT16 emptyNamespace = 2;
+const Q_UINT16 anyNamespace = 0xffff;
+const Q_UINT16 anyLocalName = 0xffff;
+
+inline Q_UINT16 localNamePart(Q_UINT32 id) { return id & NodeImpl_IdLocalMask; }
+inline Q_UINT16 namespacePart(Q_UINT32 id) { return (((unsigned int)id) & NodeImpl_IdNSMask) >> 16; }
+inline Q_UINT32 makeId(Q_UINT16 n, Q_UINT16 l) { return (n << 16) | l; }
+
+const Q_UINT32 anyQName = makeId(anyNamespace, anyLocalName);
+
+class NodeImpl : public khtml::TreeShared<NodeImpl>
+{
+    friend class DocumentImpl;
+public:
+    NodeImpl(DocumentImpl *doc);
+    virtual ~NodeImpl();
+
+    // DOM methods & attributes for Node
+    virtual DOMString nodeName() const;
+    virtual DOMString nodeValue() const;
+    virtual void setNodeValue( const DOMString &_nodeValue, int &exceptioncode );
+    virtual unsigned short nodeType() const;
+    NodeImpl *parentNode() const { return m_parent; }
+    NodeImpl *previousSibling() const { return m_previous; }
+    NodeImpl *nextSibling() const { return m_next; }
+    virtual NodeListImpl *childNodes();
+    virtual NodeImpl *firstChild() const;
+    virtual NodeImpl *lastChild() const;
+    // insertBefore, replaceChild and appendChild also close newChild
+    // unlike the speed optimized addChild (which is used by the parser)
+    virtual NodeImpl *insertBefore ( NodeImpl *newChild, NodeImpl *refChild, int &exceptioncode );
+    
+    /* These two methods may delete the old node, so make sure to reference it if you need it */
+    virtual void replaceChild ( NodeImpl *newChild, NodeImpl *oldChild, int &exceptioncode );
+    virtual void removeChild ( NodeImpl *oldChild, int &exceptioncode );
+    virtual NodeImpl *appendChild ( NodeImpl *newChild, int &exceptioncode );
+    virtual bool hasChildNodes (  ) const;
+    virtual NodeImpl *cloneNode ( bool deep ) = 0;
+    virtual DOMString localName() const;
+    virtual DOMString prefix() const;
+    virtual DOMString namespaceURI() const;
+    virtual void setPrefix(const DOMString &_prefix, int &exceptioncode );
+    void normalize ();
+
+    // Other methods (not part of DOM)
+    virtual bool isElementNode() const { return false; }
+    virtual bool isHTMLElement() const { return false; }
+    virtual bool isAttributeNode() const { return false; }
+    virtual bool isTextNode() const { return false; }
+    virtual bool isDocumentNode() const { return false; }
+    virtual bool isXMLElementNode() const { return false; }
+    virtual bool isGenericFormElement() const { return false; }
+    virtual bool containsOnlyWhitespace() const { return false; }
+    virtual bool contentEditable() const;
+
+    // helper functions not being part of the DOM
+    // Attention: they assume that the caller did the consistency checking!
+    void setPreviousSibling(NodeImpl *previous) { m_previous = previous; }
+    void setNextSibling(NodeImpl *next) { m_next = next; }
+
+    virtual void setFirstChild(NodeImpl *child);
+    virtual void setLastChild(NodeImpl *child);
+
+    // used by the parser. Doesn't do as many error checkings as
+    // appendChild(), and returns the node into which will be parsed next.
+    virtual NodeImpl *addChild(NodeImpl *newChild);
+
+    typedef Q_UINT32 Id;
+    // id() is used to easily and exactly identify a node. It
+    // is optimized for quick comparison and low memory consumption.
+    // its value depends on the owner document of the node and is
+    // categorized in the following way:
+    // 1..ID_LAST_TAG: the node inherits HTMLElementImpl and is
+    //                 part of the HTML namespace.
+    //                 The HTML namespace is either the global
+    //                 one (no namespace) or the XHTML namespace
+    //                 depending on the owner document's doctype
+    // ID_LAST_TAG+1..0xffff: non-HTML elements in the global namespace
+    // others       non-HTML elements in a namespace.
+    //                 the upper 16 bit identify the namespace
+    //                 the lower 16 bit identify the local part of the
+    //                 qualified element name.
+    virtual Id id() const { return 0; }
+
+    // These are the DOM 3 Core answer to innerText/setInnerText, and are used
+    // quite a bit since Mozilla doesn't do innerText. They do, however, behave slightly 
+    // differently. The default implementation is for ELEMENT_NODE, ATTRIBUTE_NODE, 
+    // ENTITY_NODE, ENTITY_REFERENCE_NODE, DOCUMENT_FRAGMENT_NODE. 
+    virtual DOMStringImpl* textContent() const;
+    virtual void           setTextContent( const DOMString &text, int& exceptioncode ) = 0;
+
+    enum IdType {
+        AttributeId,
+        ElementId,
+        NamespaceId
+    };
+
+    enum MouseEventType {
+        MousePress,
+        MouseRelease,
+        MouseClick,
+        MouseDblClick,
+        MouseMove
+    };
+
+    struct MouseEvent
+    {
+        MouseEvent( int _button, MouseEventType _type,
+                    const DOMString &_url = DOMString(), const DOMString& _target = DOMString(),
+                    NodeImpl *_innerNode = 0, NodeImpl *_innerNonSharedNode = 0)
+            {
+                button = _button; type = _type;
+                url = _url; target = _target;
+                innerNode = _innerNode;
+		innerNonSharedNode = _innerNonSharedNode;
+            }
+
+        int button;
+        MouseEventType type;
+        DOMString url; // url under mouse or empty
+        DOMString target;
+        Node innerNode;
+	Node innerNonSharedNode;
+    };
+
+    // for LINK and STYLE
+    virtual void sheetLoaded() {}
+
+    bool hasID() const      { return m_hasId; }
+    bool hasClass() const   { return m_hasClass; }
+    bool active() const     { return m_active; }
+    bool focused() const    { return m_focused; }
+    bool hovered() const    { return m_hovered; }
+    bool attached() const   { return m_attached; }
+    bool closed() const     { return m_closed; }
+    bool changed() const    { return m_changed; }
+    bool hasChangedChild() const { return m_hasChangedChild; }
+    bool hasAnchor() const { return m_hasAnchor; }
+    bool inDocument() const { return m_inDocument; }
+    bool implicitNode() const { return m_implicit; }
+    bool htmlCompat() const { return m_htmlCompat; }
+    void setHasID(bool b=true) { m_hasId = b; }
+    void setHasClass(bool b=true) { m_hasClass = b; }
+    void setHasChangedChild( bool b = true ) { m_hasChangedChild = b; }
+    void setInDocument(bool b=true) { m_inDocument = b; }
+    void setHTMLCompat(bool b) { m_htmlCompat = b; }
+    virtual void setFocus(bool b=true) { m_focused = b; }
+    virtual void setActive(bool b=true) { m_active = b; }
+    virtual void setHovered(bool b=true) { m_hovered = b; }
+    virtual void setChanged(bool b=true);
+
+    // for descending restyle when ID or CLASS changes
+    bool changedAscendentAttribute() const { return m_changedAscendentAttribute; }
+    void setChangedAscendentAttribute(bool b) { m_changedAscendentAttribute = b; }
+
+    // for style selection performance: whether the element matches several CSS Classes
+    bool hasClassList() const { return m_hasClassList; }
+    void setHasClassList(bool b) { m_hasClassList = b; }
+
+    unsigned short tabIndex() const { return m_tabIndex; }
+    void setTabIndex(unsigned short _tabIndex) { m_tabIndex = _tabIndex; }
+
+    virtual bool isFocusable() const { return false; }
+    virtual bool isMouseFocusable() const { return isFocusable(); }
+    virtual bool isTabFocusable() const { return isFocusable(); }
+
+    virtual bool isInline() const;
+
+    virtual void getCaret(int offset, bool override, int &_x, int &_y, int &width, int &height);
+    virtual QRect getRect() const;
+
+    enum StyleChange { NoChange, NoInherit, Inherit, Detach, Force };
+    virtual void recalcStyle( StyleChange = NoChange ) {}
+    static StyleChange diff( khtml::RenderStyle *s1, khtml::RenderStyle *s2 );
+    static bool pseudoDiff( khtml::RenderStyle *s1, khtml::RenderStyle *s2, unsigned int pid);
+
+    unsigned long nodeIndex() const;
+    // Returns the document that this node is associated with. This is guaranteed to always be non-null, as opposed to
+    // DOM's ownerDocument() which is null for Document nodes (and sometimes DocumentType nodes).
+    DocumentImpl* getDocument() const { return m_document.get(); }
+
+    void addEventListener(int id, EventListener *listener, const bool useCapture);
+    void removeEventListener(int id, EventListener *listener, bool useCapture);
+    void setHTMLEventListener(int id, EventListener *listener);
+    EventListener *getHTMLEventListener(int id);
+
+    void dispatchEvent(EventImpl *evt, int &exceptioncode, bool tempEvent = false);
+    void dispatchGenericEvent( EventImpl *evt, int &exceptioncode);
+    // return true if event not prevented
+    bool dispatchHTMLEvent(int _id, bool canBubbleArg, bool cancelableArg);
+    void dispatchWindowEvent(int _id, bool canBubbleArg, bool cancelableArg);
+    void dispatchMouseEvent(QMouseEvent *e, int overrideId = 0, int overrideDetail = 0);
+    void dispatchUIEvent(int _id, int detail = 0);
+    void dispatchSubtreeModifiedEvent();
+    // return true if defaultPrevented (i.e. event should be swallowed)
+    // this matches the logic in KHTMLView.
+    bool dispatchKeyEvent(QKeyEvent *key, bool keypress);
+
+    void handleLocalEvents(EventImpl *evt, bool useCapture);
+
+    /**
+     * Perform the default action for an event e.g. submitting a form
+     */
+    virtual void defaultEventHandler(EventImpl *evt);
+
+    virtual bool isReadOnly();
+    virtual bool childTypeAllowed( unsigned short /*type*/ ) { return false; }
+    virtual unsigned long childNodeCount();
+    virtual NodeImpl *childNode(unsigned long index);
+
+    /**
+     * Does a pre-order traversal of the tree to find the node next node after this one. This uses the same order that
+     * the tags appear in the source file.
+     *
+     * @param stayWithin If not null, the traversal will stop once the specified node is reached. This can be used to
+     * restrict traversal to a particular sub-tree.
+     *
+     * @return The next node, in document order
+     *
+     * see traversePreviousNode()
+     */
+    NodeImpl *traverseNextNode(NodeImpl *stayWithin = 0) const;
+
+    /**
+     * Does a reverse pre-order traversal to find the node that comes before the current one in document order
+     *
+     * see traverseNextNode()
+     */
+    NodeImpl *traversePreviousNode() const;
+
+    DocumentImpl *docPtr() const { return m_document.get(); }
+
+    khtml::RenderObject *renderer() const { return m_render; }
+    khtml::RenderObject *nextRenderer();
+    khtml::RenderObject *previousRenderer();
+    void setRenderer(khtml::RenderObject* renderer) { m_render = renderer; }
+
+    void checkSetPrefix(const DOMString &_prefix, int &exceptioncode);
+    void checkAddChild(NodeImpl *newChild, int &exceptioncode);
+    bool isAncestor( NodeImpl *other );
+    virtual bool childAllowed( NodeImpl *newChild );
+
+    /**
+     * Returns the minimum caret offset that is allowed for this node.
+     *
+     * This default implementation always returns 0. Textual child nodes
+     * may return other values.
+     */
+    virtual long minOffset() const;
+    /**
+     * Returns the maximum caret offset that is allowed for this node.
+     *
+     * This default implementation always returns the node count.
+     * Textual child nodes return the character count instead.
+     */
+    virtual long maxOffset() const;
+
+    // -----------------------------------------------------------------------------
+    // Integration with rendering tree
+
+    /**
+     * Attaches this node to the rendering tree. This calculates the style to be applied to the node and creates an
+     * appropriate RenderObject which will be inserted into the tree (except when the style has display: none). This
+     * makes the node visible in the KHTMLView.
+     */
+    virtual void attach();
+
+    /**
+     * Detaches the node from the rendering tree, making it invisible in the rendered view. This method will remove
+     * the node's rendering object from the rendering tree and delete it.
+     */
+    virtual void detach();
+
+    /**
+     * Notifies the node that no more children will be added during parsing.
+     * After a node has been closed all changes must go through the DOM interface.
+     */
+    virtual void close();
+
+    virtual void structureChanged() {};
+    virtual void backwardsStructureChanged() {};
+
+    void createRendererIfNeeded();
+    virtual khtml::RenderStyle *styleForRenderer(khtml::RenderObject *parent);
+    virtual bool rendererIsNeeded(khtml::RenderStyle *);
+    virtual khtml::RenderObject *createRenderer(khtml::RenderArena *, khtml::RenderStyle *);
+
+    // -----------------------------------------------------------------------------
+    // Methods for maintaining the state of the element between history navigation
+
+    /**
+     * Indicates whether or not this type of node maintains its state. If so, the state of the node will be stored when
+     * the user goes to a different page using the state() method, and restored using the restoreState() method if the
+     * user returns (e.g. using the back button). This is used to ensure that user-changeable elements such as form
+     * controls maintain their contents when the user returns to a previous page in the history.
+     */
+    virtual bool maintainsState();
+
+    /**
+     * Returns the state of this node represented as a string. This string will be passed to restoreState() if the user
+     * returns to the page.
+     *
+     * @return State information about the node represented as a string
+     */
+    virtual QString state();
+
+    /**
+     * Sets the state of the element based on a string previosuly returned by state(). This is used to initialize form
+     * controls with their old values when the user returns to the page in their history.
+     *
+     * @param state A string representation of the node's previously-stored state
+     */
+    virtual void restoreState(const QString &state);
+
+    // -----------------------------------------------------------------------------
+    // Notification of document stucture changes
+
+    /**
+     * Notifies the node that it has been inserted into the document. This is called during document parsing, and also
+     * when a node is added through the DOM methods insertBefore(), appendChild() or replaceChild(). Note that this only
+     * happens when the node becomes part of the document tree, i.e. only when the document is actually an ancestor of
+     * the node. The call happens _after_ the node has been added to the tree.
+     *
+     * This is similar to the DOMNodeInsertedIntoDocument DOM event, but does not require the overhead of event
+     * dispatching.
+     */
+    virtual void insertedIntoDocument();
+
+    /**
+     * Notifies the node that it is no longer part of the document tree, i.e. when the document is no longer an ancestor
+     * node.
+     *
+     * This is similar to the DOMNodeRemovedFromDocument DOM event, but does not require the overhead of event
+     * dispatching, and is called _after_ the node is removed from the tree.
+     */
+    virtual void removedFromDocument();
+
+    /**
+     * Notifies the node that its list of children have changed (either by adding or removing child nodes), or a child
+     * node that is of the type CDATA_SECTION_NODE, TEXT_NODE or COMMENT_NODE has changed its value.
+     */
+    virtual void childrenChanged();
+
+    virtual DOMString toString() const = 0;
+    /**
+     * Sometimes we need to get the string between two points on the DOM graph.  Use this function to do this.
+     * For example, when the user copies some selected text to the clipboard as html.
+     * @param selectionStart Where to start the selection.  If selectionStart != this, it is assumed we are after the start point
+     * @param selectionEnd   Where to end the selection.  If selectionEnd != this, it is assumed we are before the end point (unless found is true)
+     * @param startOffset    Number of characters into the text in selectionStart that the start of the selection is.
+     * @param endOffset      Number of characters into the text in selectionEnd that the end of the selection is.
+     * @param found          When this is set to true, don't print anymore but closing tags.
+     * @return An html formatted string for this node and its children between the selectionStart and selectionEnd.
+     */
+    virtual DOMString selectionToString(NodeImpl * selectionStart, 
+                                        NodeImpl * selectionEnd, 
+                                        int startOffset, 
+                                        int endOffset, 
+                                        bool &found) const 
+    { Q_UNUSED(selectionStart);
+      Q_UNUSED(selectionEnd);
+      Q_UNUSED(startOffset);
+      Q_UNUSED(endOffset);
+      Q_UNUSED(found);
+      return toString(); 
+    }
+
+private: // members
+    khtml::DocPtr<DocumentImpl> m_document;
+    NodeImpl *m_previous;
+    NodeImpl *m_next;
+protected:
+    khtml::RenderObject *m_render;
+    RegisteredListenerList m_regdListeners;
+
+    unsigned short m_tabIndex : 15;
+    bool m_hasTabIndex  : 1;
+
+    bool m_hasId : 1;
+    bool m_attached : 1;
+    bool m_closed : 1;
+    bool m_changed : 1;
+    bool m_hasChangedChild : 1;
+    bool m_changedAscendentAttribute : 1;
+    bool m_inDocument : 1;
+    bool m_hasAnchor : 1;
+    bool m_specified : 1; // used in AttrImpl. Accessor functions there
+
+    bool m_hovered : 1;
+    bool m_focused : 1;
+    bool m_active : 1;
+    bool m_implicit : 1; // implicitely generated by the parser
+    bool m_htmlCompat : 1; // true if element was created in HTML compat mode
+    bool m_hasClassList : 1;
+    bool m_hasClass : 1;   // true if element has a class property, as relevant to CSS
+};
+
+// this is the full Node Implementation with parents and children.
+class NodeBaseImpl : public NodeImpl
+{
+public:
+    NodeBaseImpl(DocumentImpl *doc)
+        : NodeImpl(doc), _first(0), _last(0) {}
+    virtual ~NodeBaseImpl();
+
+    // DOM methods overridden from  parent classes
+    virtual NodeImpl *firstChild() const;
+    virtual NodeImpl *lastChild() const;
+    virtual NodeImpl *insertBefore ( NodeImpl *newChild, NodeImpl *refChild, int &exceptioncode );
+    virtual void replaceChild ( NodeImpl *newChild, NodeImpl *oldChild, int &exceptioncode );
+    virtual void removeChild ( NodeImpl *oldChild, int &exceptioncode );
+    virtual NodeImpl *appendChild ( NodeImpl *newChild, int &exceptioncode );
+    virtual bool hasChildNodes (  ) const;
+
+    virtual void setTextContent( const DOMString &text, int& exceptioncode );
+
+    // Other methods (not part of DOM)
+    void removeChildren();
+    void cloneChildNodes(NodeImpl *clone);
+
+    virtual void setFirstChild(NodeImpl *child);
+    virtual void setLastChild(NodeImpl *child);
+    virtual NodeImpl *addChild(NodeImpl *newChild);
+    virtual void attach();
+    virtual void detach();
+
+
+    bool getUpperLeftCorner(int &xPos, int &yPos) const;
+    bool getLowerRightCorner(int &xPos, int &yPos) const;
+
+    virtual void setFocus(bool=true);
+    virtual void setActive(bool=true);
+    virtual void setHovered(bool=true);
+    virtual unsigned long childNodeCount();
+    virtual NodeImpl *childNode(unsigned long index);
+
+protected:
+    NodeImpl *_first;
+    NodeImpl *_last;
+
+    // helper functions for inserting children:
+
+    // ### this should vanish. do it in dom/ !
+    // check for same source document:
+    bool checkSameDocument( NodeImpl *newchild, int &exceptioncode );
+    // check for being child:
+    bool checkIsChild( NodeImpl *oldchild, int &exceptioncode );
+    // ###
+
+    // find out if a node is allowed to be our child
+    void dispatchChildInsertedEvents( NodeImpl *child, int &exceptioncode );
+    void dispatchChildRemovalEvents( NodeImpl *child, int &exceptioncode );
+};
+
+// --------------------------------------------------------------------------
+class Node;
+class NodeImpl;
+
+class NodeListImpl : public khtml::Shared<NodeListImpl>
+{
+public:
+    //Type of the item stored in the cache.
+    enum Type {
+        UNCACHEABLE, //Too complex to be cached like this
+        CHILD_NODES,
+        LAST_NODE_LIST = CHILD_NODES
+    };
+
+    struct CacheKey
+    {
+        NodeImpl* baseNode;
+        int       type;
+
+        CacheKey(): type(UNCACHEABLE) {}
+
+        CacheKey(NodeImpl* _baseNode, int _type):
+            baseNode(_baseNode), type(_type)
+        {}
+
+        int hash() const
+        {
+            return int(reinterpret_cast<unsigned long>(baseNode) >> 2) ^
+                       (unsigned(type) << 26);
+        }
+
+        bool operator==(const CacheKey& other) const
+        {
+            return baseNode == other.baseNode &&
+                   type     == other.type;
+        }
+    };
+
+    struct Cache: public khtml::Shared<Cache>
+    {
+        static Cache* make() { return new Cache; }
+
+        CacheKey key;//### We must store this in here due to QCache in Qt3 sucking
+
+        unsigned int version;
+        union
+        {
+            NodeImpl*    node;
+            unsigned int index;
+        } current;
+        unsigned int position;
+        unsigned int length;
+        bool         hasLength;
+
+        void updateNodeListInfo(DocumentImpl* doc);
+
+        virtual void clear(DocumentImpl* doc);
+        virtual ~Cache();
+    };
+
+    typedef Cache* CacheFactory();
+
+    NodeListImpl(NodeImpl* node, int type, CacheFactory* factory = 0);
+    virtual ~NodeListImpl();
+
+    // DOM methods & attributes for NodeList
+    virtual unsigned long length() const;
+    virtual NodeImpl *item ( unsigned long index ) const;
+
+    // Other methods (not part of DOM)
+
+protected:
+    virtual unsigned long calcLength(NodeImpl *start) const;
+    // helper functions for searching all ElementImpls in a tree
+
+    NodeImpl *recursiveItem    ( NodeImpl* absStart, NodeImpl *start, unsigned long &offset ) const;
+    NodeImpl *recursiveItemBack( NodeImpl* absStart, NodeImpl *start, unsigned long &offset ) const;
+
+    // Override this to determine what nodes to return. Set doRecurse to
+    // false if the children of this node do not need to be entered.
+    virtual bool nodeMatches( NodeImpl *testNode, bool& doRecurse ) const = 0;
+
+    NodeImpl*      m_refNode;
+    mutable Cache* m_cache;
+};
+
+class ChildNodeListImpl : public NodeListImpl
+{
+public:
+
+    ChildNodeListImpl( NodeImpl *n);
+
+protected:
+    virtual bool nodeMatches( NodeImpl *testNode, bool& doRecurse ) const;
+};
+
+
+/**
+ * NodeList which lists all Nodes in a document with a given tag name
+ */
+class TagNodeListImpl : public NodeListImpl
+{
+public:
+    TagNodeListImpl( NodeImpl *n, NodeImpl::Id id );
+    TagNodeListImpl( NodeImpl *n, const DOMString &namespaceURI, const DOMString &localName );
+
+    // Other methods (not part of DOM)
+
+protected:
+    virtual bool nodeMatches( NodeImpl *testNode, bool& doRecurse ) const;
+    NodeImpl::Id m_id;
+    DOMString m_namespaceURI;
+    DOMString m_localName;
+
+    bool m_matchAllNames;
+    bool m_matchAllNamespaces;
+    bool m_namespaceAware;
+};
+
+
+/**
+ * NodeList which lists all Nodes in a Element with a given "name=" tag
+ */
+class NameNodeListImpl : public NodeListImpl
+{
+public:
+    NameNodeListImpl( NodeImpl *doc, const DOMString &t );
+
+    // Other methods (not part of DOM)
+
+protected:
+    virtual bool nodeMatches( NodeImpl *testNode, bool& doRecurse ) const;
+
+    DOMString nodeName;
+};
+
+// Generic NamedNodeMap interface
+// Other classes implement this for more specific situations e.g. attributes
+// of an element
+class NamedNodeMapImpl : public khtml::Shared<NamedNodeMapImpl>
+{
+public:
+    NamedNodeMapImpl();
+    virtual ~NamedNodeMapImpl();
+
+    // DOM methods & attributes for NamedNodeMap
+    virtual NodeImpl *getNamedItem ( NodeImpl::Id id, bool nsAware = false, DOMStringImpl* qName = 0 ) const = 0;
+    virtual Node removeNamedItem ( NodeImpl::Id id, bool nsAware, DOMStringImpl* qName, int &exceptioncode ) = 0;
+    virtual Node setNamedItem ( NodeImpl* arg, bool nsAware, DOMStringImpl* qName, int &exceptioncode ) = 0;
+
+    virtual NodeImpl *item ( unsigned long index ) const = 0;
+    virtual unsigned long length(  ) const = 0;
+
+    // Other methods (not part of DOM)
+    virtual NodeImpl::Id mapId(DOMStringImpl* namespaceURI,
+				DOMStringImpl* localName, bool readonly) = 0;
+    virtual bool isReadOnly() { return false; }
+};
+
+// Generic read-only NamedNodeMap implementation
+// Used for e.g. entities and notations in DocumentType.
+// You can add nodes using addNode
+class GenericRONamedNodeMapImpl : public NamedNodeMapImpl
+{
+public:
+    GenericRONamedNodeMapImpl(DocumentImpl* doc);
+    virtual ~GenericRONamedNodeMapImpl();
+
+    // DOM methods & attributes for NamedNodeMap
+
+    virtual NodeImpl *getNamedItem ( NodeImpl::Id id, bool nsAware = false, DOMStringImpl* qName = 0 ) const;
+    virtual Node removeNamedItem ( NodeImpl::Id id, bool nsAware, DOMStringImpl* qName, int &exceptioncode );
+    virtual Node setNamedItem ( NodeImpl* arg, bool nsAware, DOMStringImpl* qName, int &exceptioncode );
+
+    virtual NodeImpl *item ( unsigned long index ) const;
+    virtual unsigned long length(  ) const;
+
+    // Other methods (not part of DOM)
+    virtual NodeImpl::Id mapId(DOMStringImpl* namespaceURI,
+                               DOMStringImpl* localName, bool readonly);
+
+    virtual bool isReadOnly() { return true; }
+
+    void addNode(NodeImpl *n);
+
+protected:
+    DocumentImpl* m_doc;
+    QPtrList<NodeImpl> *m_contents;
+};
+
+} //namespace
+#endif