1/*
2 * Copyright (C) 2017 Apple Inc. All Rights Reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 */
26
27#include "config.h"
28#include "QualifiedNameCache.h"
29
30namespace WebCore {
31
32struct QNameComponentsTranslator {
33 static unsigned hash(const QualifiedNameComponents& components)
34 {
35 return hashComponents(components);
36 }
37 static bool equal(QualifiedName::QualifiedNameImpl* name, const QualifiedNameComponents& c)
38 {
39 return c.m_prefix == name->m_prefix.impl() && c.m_localName == name->m_localName.impl() && c.m_namespace == name->m_namespace.impl();
40 }
41 static void translate(QualifiedName::QualifiedNameImpl*& location, const QualifiedNameComponents& components, unsigned)
42 {
43 location = &QualifiedName::QualifiedNameImpl::create(components.m_prefix, components.m_localName, components.m_namespace).leakRef();
44 }
45};
46
47Ref<QualifiedName::QualifiedNameImpl> QualifiedNameCache::getOrCreate(const QualifiedNameComponents& components)
48{
49 QNameSet::AddResult addResult = m_cache.add<QNameComponentsTranslator>(components);
50 return addResult.isNewEntry ? adoptRef(**addResult.iterator) : Ref<QualifiedName::QualifiedNameImpl> { **addResult.iterator };
51}
52
53void QualifiedNameCache::remove(QualifiedName::QualifiedNameImpl& impl)
54{
55 m_cache.remove(&impl);
56}
57
58} // namespace WebCore
59