--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xmlpatterns/functions/qcomparingaggregator_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,146 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+
+#ifndef Patternist_ComparingAggregator_H
+#define Patternist_ComparingAggregator_H
+
+/**
+ * @file qcomparingaggregator_p.h
+ * @short Contains the implementations for the functions <tt>fn:max()</tt>, MaxFN,
+ * and <tt>fn:min()</tt>, MinFN, and the class ComparingAggregator.
+ */
+
+#include "qabstractfloat_p.h"
+#include "qdecimal_p.h"
+#include "qcastingplatform_p.h"
+#include "qcomparisonplatform_p.h"
+#include "qliteral_p.h"
+#include "qaggregator_p.h"
+#include "quntypedatomicconverter_p.h"
+#include "qpatternistlocale_p.h"
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+namespace QPatternist
+{
+    /**
+     * @short Base class for the implementations of the <tt>fn:min()</tt> and <tt>fn:max()</tt> function.
+     *
+     * What function that more specifically is
+     * followed, depends on how the constructor is called.
+     *
+     * @see MaxFN
+     * @see MinFN
+     * @ingroup Patternist_functions
+     * @author Frans Englich <frans.englich@nokia.com>
+     */
+    template <AtomicComparator::Operator oper, AtomicComparator::ComparisonResult result>
+    class ComparingAggregator : public Aggregator,
+                                public ComparisonPlatform<ComparingAggregator<oper, result>,
+                                                          true, AtomicComparator::AsValueComparison,
+                                                          ReportContext::FORG0006>,
+                                public CastingPlatform<ComparingAggregator<oper, result>, true>
+    {
+    public:
+        virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
+        virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context,
+                                          const SequenceType::Ptr &reqType);
+
+        inline AtomicComparator::Operator operatorID() const
+        {
+            return oper;
+        }
+
+        inline ItemType::Ptr targetType() const
+        {
+            return BuiltinTypes::xsDouble;
+        }
+
+    private:
+        inline Item applyNumericPromotion(const Item &old,
+                                               const Item &nev,
+                                               const Item &newVal) const;
+
+        using ComparisonPlatform<ComparingAggregator<oper, result>,
+                                 true,
+                                 AtomicComparator::AsValueComparison,
+                                 ReportContext::FORG0006>::comparator;
+        using ComparisonPlatform<ComparingAggregator<oper, result>,
+                                 true,
+                                 AtomicComparator::AsValueComparison,
+                                 ReportContext::FORG0006>::fetchComparator;
+        using CastingPlatform<ComparingAggregator<oper, result>, true>::cast;
+    };
+
+#include "qcomparingaggregator.cpp"
+
+    /**
+     * @short An instantiation of ComparingAggregator suitable for <tt>fn:max()</tt>.
+     *
+     * @ingroup Patternist_functions
+     */
+    typedef ComparingAggregator<AtomicComparator::OperatorGreaterThan, AtomicComparator::GreaterThan> MaxFN;
+
+    /**
+     * @short An instantiation of ComparingAggregator suitable for <tt>fn:max()</tt>.
+     *
+     * @ingroup Patternist_functions
+     */
+    typedef ComparingAggregator<AtomicComparator::OperatorLessThan, AtomicComparator::LessThan> MinFN;
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif