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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2001 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.
*
* 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.
*
*/
#pragma once
#include "ScriptWrappable.h"
#include <wtf/Forward.h>
#include <wtf/RefCounted.h>
#include <wtf/TZoneMalloc.h>
namespace WebCore {
class Node;
class ScriptExecutionContext;
class NodeList : public ScriptWrappable, public RefCounted<NodeList> {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED_EXPORT(NodeList, WEBCORE_EXPORT);
public:
virtual ~NodeList() = default;
// DOM methods & attributes for NodeList
virtual unsigned length() const = 0;
virtual Node* item(unsigned index) const = 0;
bool isSupportedPropertyIndex(unsigned index) const { return index < length(); }
class Iterator {
public:
explicit Iterator(NodeList& list) : m_list(list) { }
Node* next() { return m_list->item(m_index++); }
private:
size_t m_index { 0 };
Ref<NodeList> m_list;
};
Iterator createIterator(ScriptExecutionContext*) { return Iterator(*this); }
// Other methods (not part of DOM)
virtual bool isLiveNodeList() const { return false; }
virtual bool isChildNodeList() const { return false; }
virtual bool isEmptyNodeList() const { return false; }
virtual size_t memoryCost() const { return 0; }
};
} // namespace WebCore
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