diff -r 000000000000 -r 1918ee327afb src/xmlpatterns/iterators/qdistinctiterator.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xmlpatterns/iterators/qdistinctiterator.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,112 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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 "qdistinctiterator_p.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace QPatternist;
+
+DistinctIterator::DistinctIterator(const Item::Iterator::Ptr &seq,
+                                   const AtomicComparator::Ptr &comp,
+                                   const Expression::ConstPtr &expression,
+                                   const DynamicContext::Ptr &context)
+                                  : m_seq(seq)
+                                  , m_context(context)
+                                  , m_expr(expression)
+                                  , m_position(0)
+{
+    Q_ASSERT(seq);
+    prepareComparison(comp);
+}
+
+Item DistinctIterator::next()
+{
+    if(m_position == -1)
+        return Item();
+
+    const Item nitem(m_seq->next());
+    if(!nitem)
+    {
+        m_position = -1;
+        m_current.reset();
+        return Item();
+    }
+
+    const Item::List::const_iterator end(m_processed.constEnd());
+    Item::List::const_iterator it(m_processed.constBegin());
+
+    for(; it != end; ++it)
+    {
+        if(flexibleCompare(*it, nitem, m_context))
+        {
+            return next();
+        }
+    }
+
+    m_current = nitem;
+    ++m_position;
+    m_processed.append(nitem);
+    return nitem;
+}
+
+Item DistinctIterator::current() const
+{
+    return m_current;
+}
+
+xsInteger DistinctIterator::position() const
+{
+    return m_position;
+}
+
+Item::Iterator::Ptr DistinctIterator::copy() const
+{
+    return Item::Iterator::Ptr(new DistinctIterator(m_seq->copy(), comparator(), m_expr, m_context));
+}
+
+const SourceLocationReflection *DistinctIterator::actualReflection() const
+{
+    return m_expr.data();
+}
+
+QT_END_NAMESPACE