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diff --git a/src/xmlpatterns/utils/qdelegatingnamespaceresolver.cpp b/src/xmlpatterns/utils/qdelegatingnamespaceresolver.cpp
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+++ b/src/xmlpatterns/utils/qdelegatingnamespaceresolver.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtXmlPatterns module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qnamepool_p.h"
+
+#include "qdelegatingnamespaceresolver_p.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace QPatternist;
+
+DelegatingNamespaceResolver::DelegatingNamespaceResolver(const NamespaceResolver::Ptr &resolver) : m_nsResolver(resolver)
+{
+    Q_ASSERT(m_nsResolver);
+}
+
+DelegatingNamespaceResolver::DelegatingNamespaceResolver(const NamespaceResolver::Ptr &ns,
+                                                         const Bindings &overrides) : m_nsResolver(ns)
+                                                                                    , m_bindings(overrides)
+{
+    Q_ASSERT(m_nsResolver);
+}
+
+QXmlName::NamespaceCode DelegatingNamespaceResolver::lookupNamespaceURI(const QXmlName::PrefixCode prefix) const
+{
+    const QXmlName::NamespaceCode val(m_bindings.value(prefix, NoBinding));
+
+    if(val == NoBinding)
+        return m_nsResolver->lookupNamespaceURI(prefix);
+    else
+        return val;
+}
+
+NamespaceResolver::Bindings DelegatingNamespaceResolver::bindings() const
+{
+    Bindings bs(m_nsResolver->bindings());
+    const Bindings::const_iterator end(m_bindings.constEnd());
+    Bindings::const_iterator it(m_bindings.constBegin());
+
+    for(; it != end; ++it)
+        bs.insert(it.key(), it.value());
+
+    return bs;
+}
+
+void DelegatingNamespaceResolver::addBinding(const QXmlName nb)
+{
+    if(nb.namespaceURI() == StandardNamespaces::UndeclarePrefix)
+        m_bindings.remove(nb.prefix());
+    else
+        m_bindings.insert(nb.prefix(), nb.namespaceURI());
+}
+
+QT_END_NAMESPACE