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85 lines
3.0 KiB
C++
85 lines
3.0 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.org code.
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*
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* The Initial Developer of the Original Code is Mozilla.com.
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* Portions created by the Initial Developer are Copyright (C) 2008
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Boris Zbarsky <bzbarsky@mit.edu> (Original Author)
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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 the GNU General Public License Version 2 or later (the "GPL"), or
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* 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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#ifndef nsINodeList_h___
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#define nsINodeList_h___
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#include "nsIDOMNodeList.h"
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#include "nsWrapperCache.h"
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class nsINode;
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class nsIContent;
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// IID for the nsINodeList interface
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#define NS_INODELIST_IID \
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{ 0xa842c1b5, 0x9a6f, 0x4afa, \
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{ 0x9c, 0x1c, 0xf5, 0xf7, 0xdc, 0x70, 0x82, 0xd9 } }
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/**
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* An internal interface that allows QI-less getting of nodes from
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* node lists and reasonably fast indexOf.
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*/
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class nsINodeList : public nsIDOMNodeList,
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public nsWrapperCache
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{
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_INODELIST_IID)
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/**
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* Get the node at the index. Returns null if the index is out of bounds
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*/
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virtual nsIContent* GetNodeAt(PRUint32 aIndex) = 0;
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/**
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* Get the index of the given node in the list. Will return -1 if the node
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* is not in the list.
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*/
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virtual PRInt32 IndexOf(nsIContent* aContent) = 0;
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/**
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* Get the root node for this nodelist.
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*/
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virtual nsINode* GetParentObject() = 0;
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};
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#define NS_NODELIST_OFFSET_AND_INTERFACE_TABLE_BEGIN(_class) \
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NS_OFFSET_AND_INTERFACE_TABLE_BEGIN_AMBIGUOUS(_class, nsINodeList)
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NS_DEFINE_STATIC_IID_ACCESSOR(nsINodeList, NS_INODELIST_IID)
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#endif /* nsINodeList_h___ */
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