1/*
2 * Copyright (C) 2005, 2006, 2009 Apple Inc. All rights reserved.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB. If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20#include "config.h"
21#include "QualifiedName.h"
22
23#include "QualifiedNameCache.h"
24#include "ThreadGlobalData.h"
25#include <wtf/Assertions.h>
26
27namespace WebCore {
28
29QualifiedName::QualifiedName(const AtomicString& p, const AtomicString& l, const AtomicString& n)
30 : m_impl(threadGlobalData().qualifiedNameCache().getOrCreate(QualifiedNameComponents { p.impl(), l.impl(), n.isEmpty() ? nullptr : n.impl() }))
31{
32}
33
34QualifiedName::QualifiedNameImpl::~QualifiedNameImpl()
35{
36 threadGlobalData().qualifiedNameCache().remove(*this);
37}
38
39// Global init routines
40LazyNeverDestroyed<const QualifiedName> anyName;
41
42void QualifiedName::init()
43{
44 static bool initialized = false;
45 if (initialized)
46 return;
47
48 ASSERT_WITH_MESSAGE(WTF::nullAtomData.isConstructed(), "AtomicString::init should have been called");
49 anyName.construct(nullAtom(), starAtom(), starAtom());
50 initialized = true;
51}
52
53const QualifiedName& nullQName()
54{
55 static NeverDestroyed<QualifiedName> nullName(nullAtom(), nullAtom(), nullAtom());
56 return nullName;
57}
58
59const AtomicString& QualifiedName::localNameUpper() const
60{
61 if (!m_impl->m_localNameUpper)
62 m_impl->m_localNameUpper = m_impl->m_localName.convertToASCIIUppercase();
63 return m_impl->m_localNameUpper;
64}
65
66unsigned QualifiedName::QualifiedNameImpl::computeHash() const
67{
68 QualifiedNameComponents components = { m_prefix.impl(), m_localName.impl(), m_namespace.impl() };
69 return hashComponents(components);
70}
71
72}
73