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 | |
30 | namespace WebCore { |
31 | |
32 | struct 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 | |
47 | Ref<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 | |
53 | void QualifiedNameCache::remove(QualifiedName::QualifiedNameImpl& impl) |
54 | { |
55 | m_cache.remove(&impl); |
56 | } |
57 | |
58 | } // namespace WebCore |
59 | |