/*

 * This file is part of the DOM implementation for KDE.

 *

 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)

 *           (C) 1999 Antti Koivisto (koivisto@kde.org)

 *           (C) 2001 Peter Kelly (pmk@post.com)

 *           (C) 2001 Dirk Mueller (mueller@kde.org)

 * Copyright (C) 2003, 2004, 2005, 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 NamedAttrMap_h

#define NamedAttrMap_h

#include "Attribute.h"

#include "NamedNodeMap.h"

#ifdef __OBJC__

#define id id_AVOID_KEYWORD

#endif

namespace WebCore {

// the map of attributes of an element

class NamedAttrMap : public NamedNodeMap {

    friend class Element;

public:

    NamedAttrMap(Element*);

    virtual ~NamedAttrMap();

    NamedAttrMap(const NamedAttrMap&);

    NamedAttrMap &operator =(const NamedAttrMap &other);

    // DOM methods & attributes for NamedNodeMap

    virtual PassRefPtr<Node> getNamedItem(const String& name) const;

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

    virtual PassRefPtr<Node> getNamedItemNS(const String& namespaceURI, const String& localName) const;

    virtual PassRefPtr<Node> removeNamedItemNS(const String& namespaceURI, const String& localName, ExceptionCode&);

    virtual PassRefPtr<Node> getNamedItem(const QualifiedName& name) const;

    virtual PassRefPtr<Node> removeNamedItem(const QualifiedName& name, ExceptionCode&);

    virtual PassRefPtr<Node> setNamedItem(Node* arg, ExceptionCode&);

    virtual PassRefPtr<Node> item(unsigned index) const;

    unsigned length() const { return len; }

    // Other methods (not part of DOM)

    Attribute* attributeItem(unsigned index) const { return attrs[index]; }

    Attribute* getAttributeItem(const QualifiedName& name) const;

    Attribute* getAttributeItem(const String& name) const;

    virtual bool isReadOnlyNode();

    // used during parsing: only inserts if not already there

    // no error checking!

    void insertAttribute(Attribute* newAttribute, bool allowDuplicates) {

        ASSERT(!element);

        if (allowDuplicates || !getAttributeItem(newAttribute->name()))

            addAttribute(newAttribute);

        else

            newAttribute->deref();

    }

    virtual bool isMappedAttributeMap() const;

    const AtomicString& id() const { return m_id; }

    void setID(const AtomicString& _id) { m_id = _id; }

    bool mapsEquivalent(const NamedAttrMap* otherMap) const;

protected:

    // this method is internal, does no error checking at all

    void addAttribute(Attribute* newAttribute);

    // this method is internal, does no error checking at all

    void removeAttribute(const QualifiedName& name);

    virtual void clearAttributes();

    void detachFromElement();

    Element *element;

    Attribute **attrs;

    unsigned len;

    AtomicString m_id;

};

} //namespace

#undef id

#endif