59 lines
2.5 KiB
C++
59 lines
2.5 KiB
C++
/*
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* Copyright (C) 2017 Apple Inc. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "config.h"
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#include "QualifiedNameCache.h"
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namespace WebCore {
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struct QNameComponentsTranslator {
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static unsigned hash(const QualifiedNameComponents& components)
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{
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return hashComponents(components);
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}
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static bool equal(QualifiedName::QualifiedNameImpl* name, const QualifiedNameComponents& c)
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{
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return c.m_prefix == name->m_prefix.impl() && c.m_localName == name->m_localName.impl() && c.m_namespace == name->m_namespace.impl();
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}
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static void translate(QualifiedName::QualifiedNameImpl*& location, const QualifiedNameComponents& components, unsigned)
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{
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location = &QualifiedName::QualifiedNameImpl::create(components.m_prefix, components.m_localName, components.m_namespace).leakRef();
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}
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};
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Ref<QualifiedName::QualifiedNameImpl> QualifiedNameCache::getOrCreate(const QualifiedNameComponents& components)
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{
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QNameSet::AddResult addResult = m_cache.add<QNameComponentsTranslator>(components);
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return addResult.isNewEntry ? adoptRef(**addResult.iterator) : Ref<QualifiedName::QualifiedNameImpl> { **addResult.iterator };
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}
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void QualifiedNameCache::remove(QualifiedName::QualifiedNameImpl& impl)
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{
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m_cache.remove(&impl);
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}
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} // namespace WebCore
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