blob: 266003b94110a27e5bd36844e06e4f986b7e6dbe [file] [log] [blame]
* This file is part of the DOM implementation for KDE.
* Copyright (C) 1999 Lars Knoll (
* (C) 1999 Antti Koivisto (
* (C) 2001 Peter Kelly (
* (C) 2001 Dirk Mueller (
* 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
* 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 Attribute_h
#define Attribute_h
#include "QualifiedName.h"
namespace WebCore {
class Attr;
class CSSStyleDeclaration;
class Element;
class NamedAttrMap;
// this has no counterpart in DOM, purely internal
// representation of the nodevalue of an Attr.
// the actual Attr (Attr) with its value as textchild
// is only allocated on demand by the DOM bindings.
// Any use of Attr inside khtml should be avoided.
class Attribute : public RefCounted<Attribute> {
friend class Attr;
friend class Element;
friend class NamedAttrMap;
// null value is forbidden !
Attribute(const QualifiedName& name, const AtomicString& value)
: m_name(name), m_value(value), m_impl(0)
Attribute(const AtomicString& name, const AtomicString& value)
: m_name(nullAtom, name, nullAtom), m_value(value), m_impl(0)
virtual ~Attribute() { }
const AtomicString& value() const { return m_value; }
const AtomicString& prefix() const { return m_name.prefix(); }
const AtomicString& localName() const { return m_name.localName(); }
const AtomicString& namespaceURI() const { return m_name.namespaceURI(); }
const QualifiedName& name() const { return m_name; }
Attr* attr() const { return m_impl; }
PassRefPtr<Attr> createAttrIfNeeded(Element*);
bool isNull() const { return m_value.isNull(); }
bool isEmpty() const { return m_value.isEmpty(); }
virtual Attribute* clone(bool preserveDecl=true) const;
// An extension to get the style information for presentational attributes.
virtual CSSStyleDeclaration* style() const { return 0; }
void setValue(const AtomicString& value) { m_value = value; }
void setPrefix(const AtomicString& prefix) { m_name.setPrefix(prefix); }
QualifiedName m_name;
AtomicString m_value;
Attr* m_impl;
} //namespace