--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/dom/QualifiedName.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,118 @@
+/*
+ * 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 <wtf/Assertions.h>
+#include <wtf/HashSet.h>
+#include <wtf/StaticConstructors.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;
+
+void QualifiedName::init(const AtomicString& p, const AtomicString& l, const AtomicString& n)
+{
+    if (!gNameCache)
+        gNameCache = new QNameSet;
+    QualifiedNameComponents components = { p.impl(), l.impl(), n.isEmpty() ? nullAtom.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(const AtomicString& p, const AtomicString& l, const AtomicString& n)
+{
+    init(p, l, n);
+}
+
+QualifiedName::QualifiedName(const AtomicString& p, const char* l, const AtomicString& n)
+{
+    init(p, AtomicString(l), n);
+}
+
+void QualifiedName::deref()
+{
+#ifdef QNAME_DEFAULT_CONSTRUCTOR
+    if (!m_impl)
+        return;
+#endif
+    ASSERT(!isHashTableDeletedValue());
+
+    if (m_impl->hasOneRef())
+        gNameCache->remove(m_impl);
+    m_impl->deref();
+}
+
+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;
+    }
+}
+
+const AtomicString& QualifiedName::localNameUpper() const
+{
+    if (!m_impl->m_localNameUpper)
+        m_impl->m_localNameUpper = m_impl->m_localName.upper();
+    return m_impl->m_localNameUpper;
+}
+
+}