--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xmlpatterns/iterators/qrangeiterator_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,141 @@
+/****************************************************************************
+**
+** 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_RangeIterator_H
+#define Patternist_RangeIterator_H
+
+#include "qitem_p.h"
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+namespace QPatternist
+{
+    /**
+     * @short RangeIterator represents a sequence of integers between a
+     * start and end value.
+     *
+     * The RangeIterator contains the evaluation logic for the range expression, <tt>N to M</tt>,
+     * and its behavior is therefore consistent with the definition of that XPath expression.
+     * Hence, the detailed behavior of the RangeIterator can be found in the XPath 2.0
+     * specification.
+     *
+     * @see <a href="http://www.w3.org/TR/xpath20/\#doc-xpath-RangeExpr">XML Path Language
+     * (XPath) 2.0, 3.3 Sequence Expressions, RangeExpr</a>
+     * @see RangeExpression
+     * @author Frans Englich <frans.englich@nokia.com>
+     * @ingroup Patternist_iterators
+     * @todo Documentation is missing
+     */
+    class Q_AUTOTEST_EXPORT RangeIterator : public Item::Iterator
+    {
+    public:
+
+        /**
+         * RangeIterator can iterate in both directions.
+         * This enumerator exist for identifying different directions.
+         */
+        enum Direction
+        {
+            /**
+             * Signifies that the QAbstractXmlForwardIterator operates in a reverse direction, where the
+             * first item returned by the next() function is from the beginning of the
+             * source sequence.
+             */
+            Backward = 0,
+
+            /**
+             * Signifies the forward direction. Iterators do conceptually operate
+             * in the forward direction by default.
+             */
+            Forward = 1
+        };
+
+        /**
+         * Creates an QAbstractXmlForwardIterator that returns integer values from consecutive sequence
+         * of integers between @p start and @p end, where the step taken
+         * between each integer is 1 with polarity as specified in @p direction.
+         *
+         * @note @p start must be smaller than @p end, not larger
+         * or equal. This is not checked.
+         */
+        RangeIterator(const xsInteger start,
+                      const Direction direction,
+                      const xsInteger end);
+
+        virtual Item next();
+        virtual Item current() const;
+        virtual xsInteger position() const;
+        virtual xsInteger count();
+        virtual Item::Iterator::Ptr toReversed();
+        virtual Item::Iterator::Ptr copy() const;
+
+    private:
+        xsInteger m_start;
+        xsInteger m_end;
+        Item m_current;
+        xsInteger m_position;
+        xsInteger m_count;
+        const Direction m_direction;
+
+        /**
+         * We only need to store -1 or 1, so save memory with a bit field.
+         */
+        const qint8 m_increment : 2;
+    };
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif