mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
307ccebf4c
--HG-- rename : layout/reftests/table-anonymous-boxes/white-space-1.html => layout/reftests/table-anonymous-boxes/white-space-7.html
466 lines
19 KiB
C++
466 lines
19 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* Base class for DOM Core's nsIDOMComment, nsIDOMDocumentType, nsIDOMText,
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* nsIDOMCDATASection, and nsIDOMProcessingInstruction nodes.
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*/
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#ifndef nsGenericDOMDataNode_h___
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#define nsGenericDOMDataNode_h___
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// This bit is set if the frame tree depends on whether this node is whitespace
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#define FRAMETREE_DEPENDS_ON_CHARS (1 << NODE_TYPE_SPECIFIC_BITS_OFFSET)
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#include "nsIDOMCharacterData.h"
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#include "nsIDOMEventTarget.h"
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#include "nsIDOM3Text.h"
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#include "nsTextFragment.h"
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#include "nsDOMError.h"
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#include "nsIEventListenerManager.h"
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#include "nsGenericElement.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsContentUtils.h"
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#ifdef MOZ_SMIL
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#include "nsISMILAttr.h"
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#endif // MOZ_SMIL
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class nsIDOMAttr;
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class nsIDOMEventListener;
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class nsIDOMNodeList;
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class nsIFrame;
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class nsIDOMText;
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class nsINodeInfo;
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class nsURI;
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class nsGenericDOMDataNode : public nsIContent
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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nsGenericDOMDataNode(nsINodeInfo *aNodeInfo);
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virtual ~nsGenericDOMDataNode();
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// Implementation for nsIDOMNode
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nsresult GetNodeValue(nsAString& aNodeValue);
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nsresult SetNodeValue(const nsAString& aNodeValue);
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nsresult GetAttributes(nsIDOMNamedNodeMap** aAttributes)
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{
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NS_ENSURE_ARG_POINTER(aAttributes);
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*aAttributes = nsnull;
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return NS_OK;
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}
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nsresult HasChildNodes(PRBool* aHasChildNodes)
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{
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NS_ENSURE_ARG_POINTER(aHasChildNodes);
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*aHasChildNodes = PR_FALSE;
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return NS_OK;
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}
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nsresult HasAttributes(PRBool* aHasAttributes)
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{
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NS_ENSURE_ARG_POINTER(aHasAttributes);
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*aHasAttributes = PR_FALSE;
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return NS_OK;
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}
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nsresult InsertBefore(nsIDOMNode* aNewChild, nsIDOMNode* aRefChild,
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nsIDOMNode** aReturn)
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{
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NS_ENSURE_ARG_POINTER(aReturn);
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*aReturn = nsnull;
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return NS_ERROR_DOM_HIERARCHY_REQUEST_ERR;
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}
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nsresult ReplaceChild(nsIDOMNode* aNewChild, nsIDOMNode* aOldChild,
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nsIDOMNode** aReturn)
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{
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NS_ENSURE_ARG_POINTER(aReturn);
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*aReturn = nsnull;
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/*
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* Data nodes can't have children.
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*/
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return NS_ERROR_DOM_HIERARCHY_REQUEST_ERR;
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}
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nsresult RemoveChild(nsIDOMNode* aOldChild, nsIDOMNode** aReturn)
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{
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NS_ENSURE_ARG_POINTER(aReturn);
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*aReturn = nsnull;
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/*
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* Data nodes can't have children, i.e. aOldChild can't be a child of
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* this node.
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*/
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return NS_ERROR_DOM_NOT_FOUND_ERR;
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}
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nsresult AppendChild(nsIDOMNode* aNewChild, nsIDOMNode** aReturn)
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{
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NS_ENSURE_ARG_POINTER(aReturn);
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*aReturn = nsnull;
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return NS_ERROR_DOM_HIERARCHY_REQUEST_ERR;
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}
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nsresult GetNamespaceURI(nsAString& aNamespaceURI);
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nsresult GetLocalName(nsAString& aLocalName);
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nsresult GetPrefix(nsAString& aPrefix);
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nsresult SetPrefix(const nsAString& aPrefix);
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nsresult Normalize();
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nsresult IsSupported(const nsAString& aFeature,
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const nsAString& aVersion,
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PRBool* aReturn);
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nsresult GetBaseURI(nsAString& aURI);
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nsresult LookupPrefix(const nsAString& aNamespaceURI,
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nsAString& aPrefix);
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nsresult LookupNamespaceURI(const nsAString& aNamespacePrefix,
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nsAString& aNamespaceURI);
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// Implementation for nsIDOMCharacterData
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nsresult GetData(nsAString& aData) const;
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nsresult SetData(const nsAString& aData);
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nsresult GetLength(PRUint32* aLength);
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nsresult SubstringData(PRUint32 aOffset, PRUint32 aCount,
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nsAString& aReturn);
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nsresult AppendData(const nsAString& aArg);
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nsresult InsertData(PRUint32 aOffset, const nsAString& aArg);
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nsresult DeleteData(PRUint32 aOffset, PRUint32 aCount);
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nsresult ReplaceData(PRUint32 aOffset, PRUint32 aCount,
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const nsAString& aArg);
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// nsINode methods
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virtual PRUint32 GetChildCount() const;
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virtual nsIContent *GetChildAt(PRUint32 aIndex) const;
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virtual nsIContent * const * GetChildArray(PRUint32* aChildCount) const;
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virtual PRInt32 IndexOf(nsINode* aPossibleChild) const;
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virtual nsresult InsertChildAt(nsIContent* aKid, PRUint32 aIndex,
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PRBool aNotify);
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virtual nsresult RemoveChildAt(PRUint32 aIndex, PRBool aNotify);
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virtual nsresult PreHandleEvent(nsEventChainPreVisitor& aVisitor);
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virtual nsresult PostHandleEvent(nsEventChainPostVisitor& aVisitor);
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virtual nsresult DispatchDOMEvent(nsEvent* aEvent, nsIDOMEvent* aDOMEvent,
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nsPresContext* aPresContext,
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nsEventStatus* aEventStatus);
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virtual nsresult GetListenerManager(PRBool aCreateIfNotFound,
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nsIEventListenerManager** aResult);
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virtual nsresult AddEventListenerByIID(nsIDOMEventListener *aListener,
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const nsIID& aIID);
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virtual nsresult RemoveEventListenerByIID(nsIDOMEventListener *aListener,
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const nsIID& aIID);
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virtual nsresult GetSystemEventGroup(nsIDOMEventGroup** aGroup);
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virtual nsresult GetContextForEventHandlers(nsIScriptContext** aContext)
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{
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return nsContentUtils::GetContextForEventHandlers(this, aContext);
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}
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// Implementation for nsIContent
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virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
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nsIContent* aBindingParent,
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PRBool aCompileEventHandlers);
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virtual void UnbindFromTree(PRBool aDeep = PR_TRUE,
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PRBool aNullParent = PR_TRUE);
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virtual nsIAtom *GetIDAttributeName() const;
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virtual already_AddRefed<nsINodeInfo> GetExistingAttrNameFromQName(const nsAString& aStr) const;
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nsresult SetAttr(PRInt32 aNameSpaceID, nsIAtom* aName,
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const nsAString& aValue, PRBool aNotify)
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{
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return SetAttr(aNameSpaceID, aName, nsnull, aValue, aNotify);
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}
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virtual nsresult SetAttr(PRInt32 aNameSpaceID, nsIAtom* aAttribute,
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nsIAtom* aPrefix, const nsAString& aValue,
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PRBool aNotify);
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virtual nsresult UnsetAttr(PRInt32 aNameSpaceID, nsIAtom* aAttribute,
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PRBool aNotify);
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virtual PRBool GetAttr(PRInt32 aNameSpaceID, nsIAtom *aAttribute,
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nsAString& aResult) const;
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virtual PRBool HasAttr(PRInt32 aNameSpaceID, nsIAtom *aAttribute) const;
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virtual const nsAttrName* GetAttrNameAt(PRUint32 aIndex) const;
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virtual PRUint32 GetAttrCount() const;
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virtual const nsTextFragment *GetText();
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virtual PRUint32 TextLength();
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virtual nsresult SetText(const PRUnichar* aBuffer, PRUint32 aLength,
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PRBool aNotify);
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// Need to implement this here too to avoid hiding.
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nsresult SetText(const nsAString& aStr, PRBool aNotify)
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{
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return SetText(aStr.BeginReading(), aStr.Length(), aNotify);
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}
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virtual nsresult AppendText(const PRUnichar* aBuffer, PRUint32 aLength,
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PRBool aNotify);
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virtual PRBool TextIsOnlyWhitespace();
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virtual void AppendTextTo(nsAString& aResult);
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virtual void DestroyContent();
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virtual void SaveSubtreeState();
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#ifdef MOZ_SMIL
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virtual nsISMILAttr* GetAnimatedAttr(const nsIAtom* /*aName*/)
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{
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return nsnull;
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}
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#endif // MOZ_SMIL
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#ifdef DEBUG
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virtual void List(FILE* out, PRInt32 aIndent) const;
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virtual void DumpContent(FILE* out, PRInt32 aIndent, PRBool aDumpAll) const;
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#endif
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virtual nsIContent *GetBindingParent() const;
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virtual PRBool IsNodeOfType(PRUint32 aFlags) const;
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virtual already_AddRefed<nsIURI> GetBaseURI() const;
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virtual PRBool IsLink(nsIURI** aURI) const;
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virtual PRBool MayHaveFrame() const;
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virtual nsIAtom* GetID() const;
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virtual const nsAttrValue* DoGetClasses() const;
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NS_IMETHOD WalkContentStyleRules(nsRuleWalker* aRuleWalker);
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virtual nsICSSStyleRule* GetInlineStyleRule();
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NS_IMETHOD SetInlineStyleRule(nsICSSStyleRule* aStyleRule, PRBool aNotify);
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NS_IMETHOD_(PRBool) IsAttributeMapped(const nsIAtom* aAttribute) const;
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virtual nsChangeHint GetAttributeChangeHint(const nsIAtom* aAttribute,
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PRInt32 aModType) const;
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virtual nsIAtom *GetClassAttributeName() const;
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virtual nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const
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{
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*aResult = CloneDataNode(aNodeInfo, PR_TRUE);
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if (!*aResult) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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NS_ADDREF(*aResult);
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return NS_OK;
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}
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nsresult SplitData(PRUint32 aOffset, nsIContent** aReturn,
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PRBool aCloneAfterOriginal = PR_TRUE);
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//----------------------------------------
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#ifdef DEBUG
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void ToCString(nsAString& aBuf, PRInt32 aOffset, PRInt32 aLen) const;
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#endif
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NS_DECL_CYCLE_COLLECTION_CLASS(nsGenericDOMDataNode)
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protected:
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/**
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* There are a set of DOM- and scripting-specific instance variables
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* that may only be instantiated when a content object is accessed
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* through the DOM. Rather than burn actual slots in the content
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* objects for each of these instance variables, we put them off
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* in a side structure that's only allocated when the content is
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* accessed through the DOM.
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*/
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class nsDataSlots : public nsINode::nsSlots
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{
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public:
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nsDataSlots(PtrBits aFlags)
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: nsINode::nsSlots(aFlags),
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mBindingParent(nsnull)
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{
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}
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/**
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* The nearest enclosing content node with a binding that created us.
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* @see nsIContent::GetBindingParent
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*/
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nsIContent* mBindingParent; // [Weak]
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};
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// Override from nsINode
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virtual nsINode::nsSlots* CreateSlots();
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nsDataSlots *GetDataSlots()
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{
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return static_cast<nsDataSlots*>(GetSlots());
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}
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nsDataSlots *GetExistingDataSlots() const
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{
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return static_cast<nsDataSlots*>(GetExistingSlots());
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}
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nsresult SplitText(PRUint32 aOffset, nsIDOMText** aReturn);
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friend class nsText3Tearoff;
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static PRInt32 FirstLogicallyAdjacentTextNode(nsIContent* aParent,
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PRInt32 aIndex);
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static PRInt32 LastLogicallyAdjacentTextNode(nsIContent* aParent,
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PRInt32 aIndex,
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PRUint32 aCount);
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nsresult GetWholeText(nsAString& aWholeText);
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nsresult ReplaceWholeText(const nsAFlatString& aContent, nsIDOMText **aReturn);
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nsresult SetTextInternal(PRUint32 aOffset, PRUint32 aCount,
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const PRUnichar* aBuffer, PRUint32 aLength,
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PRBool aNotify);
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/**
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* Method to clone this node. This needs to be overriden by all derived
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* classes. If aCloneText is true the text content will be cloned too.
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*
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* @param aOwnerDocument the ownerDocument of the clone
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* @param aCloneText if true the text content will be cloned too
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* @return the clone
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*/
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virtual nsGenericDOMDataNode *CloneDataNode(nsINodeInfo *aNodeInfo,
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PRBool aCloneText) const = 0;
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nsTextFragment mText;
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private:
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void SetBidiStatus();
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already_AddRefed<nsIAtom> GetCurrentValueAtom();
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};
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/** Tearoff class for the nsIDOM3Text portion of nsGenericDOMDataNode. */
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class nsText3Tearoff : public nsIDOM3Text
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_NSIDOM3TEXT
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NS_DECL_CYCLE_COLLECTION_CLASS(nsText3Tearoff)
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nsText3Tearoff(nsGenericDOMDataNode *aNode) : mNode(aNode)
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{
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}
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protected:
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virtual ~nsText3Tearoff() {}
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private:
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nsRefPtr<nsGenericDOMDataNode> mNode;
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};
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//----------------------------------------------------------------------
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/**
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* Mostly implement the nsIDOMNode API by forwarding the methods to
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* nsGenericDOMDataNode
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*
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* Note that classes using this macro will need to implement:
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* NS_IMETHOD GetNodeType(PRUint16* aNodeType);
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* nsGenericDOMDataNode *CloneDataNode(nsINodeInfo *aNodeInfo,
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* PRBool aCloneText) const;
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*/
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#define NS_IMPL_NSIDOMNODE_USING_GENERIC_DOM_DATA \
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NS_IMETHOD GetNodeName(nsAString& aNodeName); \
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NS_IMETHOD GetLocalName(nsAString& aLocalName) { \
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return nsGenericDOMDataNode::GetLocalName(aLocalName); \
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} \
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NS_IMETHOD GetNodeValue(nsAString& aNodeValue); \
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NS_IMETHOD SetNodeValue(const nsAString& aNodeValue); \
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NS_IMETHOD GetNodeType(PRUint16* aNodeType); \
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NS_IMETHOD GetParentNode(nsIDOMNode** aParentNode) { \
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return nsGenericDOMDataNode::GetParentNode(aParentNode); \
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} \
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NS_IMETHOD GetChildNodes(nsIDOMNodeList** aChildNodes) { \
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return nsGenericDOMDataNode::GetChildNodes(aChildNodes); \
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} \
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NS_IMETHOD HasChildNodes(PRBool* aHasChildNodes) { \
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return nsGenericDOMDataNode::HasChildNodes(aHasChildNodes); \
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} \
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NS_IMETHOD HasAttributes(PRBool* aHasAttributes) { \
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return nsGenericDOMDataNode::HasAttributes(aHasAttributes); \
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} \
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NS_IMETHOD GetFirstChild(nsIDOMNode** aFirstChild) { \
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return nsGenericDOMDataNode::GetFirstChild(aFirstChild); \
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} \
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NS_IMETHOD GetLastChild(nsIDOMNode** aLastChild) { \
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return nsGenericDOMDataNode::GetLastChild(aLastChild); \
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} \
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NS_IMETHOD GetPreviousSibling(nsIDOMNode** aPreviousSibling) { \
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return nsGenericDOMDataNode::GetPreviousSibling(aPreviousSibling); \
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} \
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NS_IMETHOD GetNextSibling(nsIDOMNode** aNextSibling) { \
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return nsGenericDOMDataNode::GetNextSibling(aNextSibling); \
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} \
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NS_IMETHOD GetAttributes(nsIDOMNamedNodeMap** aAttributes) { \
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return nsGenericDOMDataNode::GetAttributes(aAttributes); \
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} \
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NS_IMETHOD InsertBefore(nsIDOMNode* aNewChild, nsIDOMNode* aRefChild, \
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nsIDOMNode** aReturn) { \
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return nsGenericDOMDataNode::InsertBefore(aNewChild, aRefChild, \
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aReturn); \
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} \
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NS_IMETHOD AppendChild(nsIDOMNode* aOldChild, nsIDOMNode** aReturn) { \
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return nsGenericDOMDataNode::AppendChild(aOldChild, aReturn); \
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} \
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NS_IMETHOD ReplaceChild(nsIDOMNode* aNewChild, nsIDOMNode* aOldChild, \
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nsIDOMNode** aReturn) { \
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return nsGenericDOMDataNode::ReplaceChild(aNewChild, aOldChild, \
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aReturn); \
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} \
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NS_IMETHOD RemoveChild(nsIDOMNode* aOldChild, nsIDOMNode** aReturn) { \
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return nsGenericDOMDataNode::RemoveChild(aOldChild, aReturn); \
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} \
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NS_IMETHOD GetOwnerDocument(nsIDOMDocument** aOwnerDocument) { \
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return nsGenericDOMDataNode::GetOwnerDocument(aOwnerDocument); \
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} \
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NS_IMETHOD GetNamespaceURI(nsAString& aNamespaceURI) { \
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return nsGenericDOMDataNode::GetNamespaceURI(aNamespaceURI); \
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} \
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NS_IMETHOD GetPrefix(nsAString& aPrefix) { \
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return nsGenericDOMDataNode::GetPrefix(aPrefix); \
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} \
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NS_IMETHOD SetPrefix(const nsAString& aPrefix) { \
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return nsGenericDOMDataNode::SetPrefix(aPrefix); \
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} \
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NS_IMETHOD Normalize() { \
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return NS_OK; \
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} \
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NS_IMETHOD IsSupported(const nsAString& aFeature, \
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const nsAString& aVersion, \
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PRBool* aReturn) { \
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return nsGenericDOMDataNode::IsSupported(aFeature, aVersion, aReturn); \
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} \
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NS_IMETHOD CloneNode(PRBool aDeep, nsIDOMNode** aReturn) { \
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return nsNodeUtils::CloneNodeImpl(this, aDeep, aReturn); \
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} \
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virtual nsGenericDOMDataNode *CloneDataNode(nsINodeInfo *aNodeInfo, \
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PRBool aCloneText) const;
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#endif /* nsGenericDOMDataNode_h___ */
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