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/**
* This file is part of the DOM implementation for KDE.
*
* Copyright (C) 2005, 2006 Apple Computer, Inc.
*
* 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 "StaticConstructors.h"
#include <wtf/Assertions.h>
#include <wtf/HashSet.h>
namespace WebCore {
typedef HashSet<QualifiedName::QualifiedNameImpl*, QualifiedNameHash> 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).releaseRef();
}
};
static QNameSet* gNameCache;
QualifiedName::QualifiedName(const AtomicString& p, const AtomicString& l, const AtomicString& n)
: m_impl(0)
{
if (!gNameCache)
gNameCache = new QNameSet;
QualifiedNameComponents components = { p.impl(), l.impl(), n.impl() };
pair<QNameSet::iterator, bool> addResult = gNameCache->add<QualifiedNameComponents, QNameComponentsTranslator>(components);
m_impl = *addResult.first;
if (!addResult.second)
m_impl->ref();
}
QualifiedName::~QualifiedName()
{
deref();
}
QualifiedName::QualifiedName(const QualifiedName& other)
{
m_impl = other.m_impl;
ref();
}
const QualifiedName& QualifiedName::operator=(const QualifiedName& other)
{
if (m_impl != other.m_impl) {
deref();
m_impl = other.m_impl;
ref();
}
return *this;
}
void QualifiedName::deref()
{
#ifdef QNAME_DEFAULT_CONSTRUCTOR
if (!m_impl)
return;
#endif
if (m_impl->hasOneRef())
gNameCache->remove(m_impl);
m_impl->deref();
}
void QualifiedName::setPrefix(const AtomicString& prefix)
{
QualifiedName other(prefix, localName(), namespaceURI());
*this = other;
}
String QualifiedName::toString() const
{
String local = localName();
if (hasPrefix())
return prefix() + ":" + local;
return local;
}
// Global init routines
DEFINE_GLOBAL(QualifiedName, anyName, nullAtom, starAtom, starAtom)
void QualifiedName::init()
{
static bool initialized;
if (!initialized) {
// Use placement new to initialize the globals.
AtomicString::init();
new ((void*)&anyName) QualifiedName(nullAtom, starAtom, starAtom);
initialized = true;
}
}
}
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