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/*
* Copyright (C) 2005, 2006, 2009 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#ifdef SKIP_STATIC_CONSTRUCTORS_ON_GCC
#define WEBCORE_QUALIFIEDNAME_HIDE_GLOBALS 1
#else
#define QNAME_DEFAULT_CONSTRUCTOR
#endif
#include "QualifiedName.h"
#include "HTMLNames.h"
#include "SVGNames.h"
#include "XLinkNames.h"
#include "XMLNSNames.h"
#include "XMLNames.h"
#include <wtf/Assertions.h>
#include <wtf/HashSet.h>
#include <wtf/NeverDestroyed.h>
#include <wtf/StaticConstructors.h>
#include <wtf/text/StringBuilder.h>
#if ENABLE(MATHML)
#include "MathMLNames.h"
#endif
namespace WebCore {
static const int staticQualifiedNamesCount = HTMLNames::HTMLTagsCount + HTMLNames::HTMLAttrsCount
#if ENABLE(MATHML)
+ MathMLNames::MathMLTagsCount + MathMLNames::MathMLAttrsCount
#endif
+ SVGNames::SVGTagsCount + SVGNames::SVGAttrsCount
+ XLinkNames::XLinkAttrsCount
+ XMLNSNames::XMLNSAttrsCount
+ XMLNames::XMLAttrsCount;
struct QualifiedNameHashTraits : public HashTraits<QualifiedName::QualifiedNameImpl*> {
static const int minimumTableSize = WTF::HashTableCapacityForSize<staticQualifiedNamesCount>::value;
};
typedef HashSet<QualifiedName::QualifiedNameImpl*, QualifiedNameHash, QualifiedNameHashTraits> QNameSet;
struct QNameComponentsTranslator {
static unsigned hash(const QualifiedNameComponents& components)
{
return hashComponents(components);
}
static bool equal(QualifiedName::QualifiedNameImpl* name, const QualifiedNameComponents& c)
{
return c.m_prefix == name->m_prefix.impl() && c.m_localName == name->m_localName.impl() && c.m_namespace == name->m_namespace.impl();
}
static void translate(QualifiedName::QualifiedNameImpl*& location, const QualifiedNameComponents& components, unsigned)
{
location = &QualifiedName::QualifiedNameImpl::create(components.m_prefix, components.m_localName, components.m_namespace).leakRef();
}
};
static inline QNameSet& qualifiedNameCache()
{
static NeverDestroyed<QNameSet> nameCache;
return nameCache;
}
QualifiedName::QualifiedName(const AtomicString& p, const AtomicString& l, const AtomicString& n)
{
QualifiedNameComponents components = { p.impl(), l.impl(), n.isEmpty() ? nullptr : n.impl() };
QNameSet::AddResult addResult = qualifiedNameCache().add<QNameComponentsTranslator>(components);
m_impl = addResult.isNewEntry ? adoptRef(*addResult.iterator) : *addResult.iterator;
}
QualifiedName::QualifiedNameImpl::~QualifiedNameImpl()
{
qualifiedNameCache().remove(this);
}
String QualifiedName::toString() const
{
if (!hasPrefix())
return localName();
return prefix().string() + ':' + localName().string();
}
// Global init routines
DEFINE_GLOBAL(QualifiedName, anyName, nullAtom, starAtom, starAtom)
void QualifiedName::init()
{
static bool initialized = false;
if (initialized)
return;
// Use placement new to initialize the globals.
AtomicString::init();
new (NotNull, (void*)&anyName) QualifiedName(nullAtom, starAtom, starAtom);
initialized = true;
}
const QualifiedName& nullQName()
{
static NeverDestroyed<QualifiedName> nullName(nullAtom, nullAtom, nullAtom);
return nullName;
}
const AtomicString& QualifiedName::localNameUpper() const
{
if (!m_impl->m_localNameUpper)
m_impl->m_localNameUpper = m_impl->m_localName.convertToASCIIUppercase();
return m_impl->m_localNameUpper;
}
unsigned QualifiedName::QualifiedNameImpl::computeHash() const
{
QualifiedNameComponents components = { m_prefix.impl(), m_localName.impl(), m_namespace.impl() };
return hashComponents(components);
}
void createQualifiedName(void* targetAddress, StringImpl* name, const AtomicString& nameNamespace)
{
new (NotNull, reinterpret_cast<void*>(targetAddress)) QualifiedName(nullAtom, AtomicString(name), nameNamespace);
}
void createQualifiedName(void* targetAddress, StringImpl* name)
{
new (NotNull, reinterpret_cast<void*>(targetAddress)) QualifiedName(nullAtom, AtomicString(name), nullAtom);
}
}
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