diff -r 000000000000 -r 1918ee327afb src/xmlpatterns/utils/qoutputvalidator_p.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xmlpatterns/utils/qoutputvalidator_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,127 @@
+/****************************************************************************
+**
+** 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_OutputValidator_H
+#define Patternist_OutputValidator_H
+
+#include <QSet>
+
+#include "qdynamiccontext_p.h"
+#include "qabstractxmlreceiver.h"
+#include "qsourcelocationreflection_p.h"
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+namespace QPatternist
+{
+    /**
+     * @short Receives QAbstractXmlReceiver events and validates that they are correct,
+     * before sending them on to a second QAbstractXmlReceiver.
+     *
+     * Currently, this is only checking that attributes appear before other
+     * nodes.
+     *
+     * @ingroup Patternist_xdm
+     * @author Frans Englich <frans.englich@nokia.com>
+     * @todo Escape data
+     */
+    class OutputValidator : public QAbstractXmlReceiver
+                          , public DelegatingSourceLocationReflection
+    {
+    public:
+        OutputValidator(QAbstractXmlReceiver *const receiver,
+                        const DynamicContext::Ptr &context,
+                        const SourceLocationReflection *const r,
+                        const bool isXSLT);
+
+        virtual void namespaceBinding(const QXmlName &nb);
+
+        virtual void characters(const QStringRef &value);
+        virtual void comment(const QString &value);
+
+        virtual void startElement(const QXmlName &name);
+
+        virtual void endElement();
+
+        virtual void attribute(const QXmlName &name,
+                               const QStringRef &value);
+
+        virtual void processingInstruction(const QXmlName &name,
+                                           const QString &value);
+
+        virtual void item(const Item &item);
+
+        virtual void startDocument();
+        virtual void endDocument();
+        virtual void atomicValue(const QVariant &value);
+        virtual void endOfSequence();
+        virtual void startOfSequence();
+
+    private:
+        bool                        m_hasReceivedChildren;
+        QAbstractXmlReceiver *const m_receiver;
+        const DynamicContext::Ptr   m_context;
+
+        /**
+         * Keeps the current received attributes, in order to check uniqueness.
+         */
+        QSet<QXmlName>              m_attributes;
+        const bool                  m_isXSLT;
+    };
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif