2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * (C) 2001 Peter Kelly (pmk@post.com)
5 * (C) 2001 Dirk Mueller (mueller@kde.org)
6 * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public License
19 * along with this library; see the file COPYING.LIB. If not, write to
20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
25 #include "Attribute.h"
29 #include <wtf/HashMap.h>
30 #include <wtf/UnusedParam.h>
34 typedef HashMap<Attribute*, Attr*> AttributeAttrMap;
35 static AttributeAttrMap& attributeAttrMap()
37 DEFINE_STATIC_LOCAL(AttributeAttrMap, map, ());
41 PassRefPtr<Attribute> Attribute::clone() const
43 return adoptRef(new Attribute(m_name, m_value, m_isMappedAttribute, m_styleDecl.get()));
46 Attr* Attribute::attr() const
49 ASSERT(attributeAttrMap().contains(const_cast<Attribute*>(this)));
50 return attributeAttrMap().get(const_cast<Attribute*>(this));
53 ASSERT(!attributeAttrMap().contains(const_cast<Attribute*>(this)));
57 PassRefPtr<Attr> Attribute::createAttrIfNeeded(Element* e)
61 ASSERT(attributeAttrMap().contains(this));
62 r = attributeAttrMap().get(this);
64 ASSERT(!attributeAttrMap().contains(this));
65 r = Attr::create(e, e->document(), this); // This will end up calling Attribute::bindAttr.
66 ASSERT(attributeAttrMap().contains(this));
72 void Attribute::bindAttr(Attr* attr)
75 ASSERT(!attributeAttrMap().contains(this));
76 attributeAttrMap().set(this, attr);
80 void Attribute::unbindAttr(Attr* attr)
83 ASSERT(attributeAttrMap().contains(this));
84 ASSERT_UNUSED(attr, attributeAttrMap().get(this) == attr);
85 attributeAttrMap().remove(this);
89 } // namespace WebCore