namednodemap.h

linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自WebKit

/*
 * This file is part of the DOM implementation for KDE.
 *
 * Copyright (C) 1999 Lars Knoll ([e-mail])
 *           (C) 1999 Antti Koivisto ([e-mail])
 *           (C) 2001 Dirk Mueller ([e-mail])
 * Copyright (C) 2004, 2006 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 NamedNodeMap_h
#define NamedNodeMap_h

#include <wtf/RefCounted.h>
#include <wtf/PassRefPtr.h>

namespace WebCore {

class Node;
class QualifiedName;
class String;

typedef int ExceptionCode;

// Generic NamedNodeMap interface
// Other classes implement this for more specific situations e.g. attributes of an element.
class NamedNodeMap : public RefCounted<NamedNodeMap> {
public:
    virtual ~NamedNodeMap() { }

    virtual PassRefPtr<Node> getNamedItem(const String& name) const = 0;
    virtual PassRefPtr<Node> removeNamedItem(const String& name, ExceptionCode&) = 0;

    virtual PassRefPtr<Node> getNamedItemNS(const String& namespaceURI, const String& localName) const = 0;
    PassRefPtr<Node> setNamedItemNS(Node* arg, ExceptionCode& ec) { return setNamedItem(arg, ec); }
    virtual PassRefPtr<Node> removeNamedItemNS(const String& namespaceURI, const String& localName, ExceptionCode&) = 0;

    // DOM methods & attributes for NamedNodeMap
    virtual PassRefPtr<Node> getNamedItem(const QualifiedName& attrName) const = 0;
    virtual PassRefPtr<Node> removeNamedItem(const QualifiedName& attrName, ExceptionCode&) = 0;
    virtual PassRefPtr<Node> setNamedItem(Node*, ExceptionCode&) = 0;

    virtual PassRefPtr<Node> item(unsigned index) const = 0;
    size_t length() const { return virtualLength(); }

private:
    virtual size_t virtualLength() const = 0;
};

} //namespace

#endif