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66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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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{ 0xe60b773e, 0x5d20, 0x43f6, \
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{ 0xb0, 0x8c, 0xfd, 0x65, 0x26, 0xce, 0xe0, 0x7a } }
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/**
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* An internal interface for a 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 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 int32_t 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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using nsIDOMNodeList::Item;
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uint32_t Length()
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{
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uint32_t length;
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GetLength(&length);
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return length;
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}
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nsIContent* Item(uint32_t aIndex)
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{
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return GetNodeAt(aIndex);
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}
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nsIContent* IndexedGetter(uint32_t aIndex, bool& aFound)
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{
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nsIContent* item = Item(aIndex);
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aFound = !!item;
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return item;
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}
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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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