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diff --git a/src/xmlpatterns/data/qcomparisonfactory_p.h b/src/xmlpatterns/data/qcomparisonfactory_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the $MODULE$ of the Qt Toolkit.
+**
+** $TROLLTECH_DUAL_LICENSE$
+**
+****************************************************************************/
+
+//
+//  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_ComparisonFactory_H
+#define Patternist_ComparisonFactory_H
+
+#include "qatomiccomparator_p.h"
+#include "qderivedstring_p.h"
+#include "qitem_p.h"
+#include "qreportcontext_p.h"
+#include "qschematype_p.h"
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+namespace QPatternist
+{
+    /**
+     * @short Provides compare(), which is a high-level helper function for
+     * comparing atomic values.
+     *
+     * This class wraps the helper class ComparisonPlatform with a more specific,
+     * high-level API.
+     *
+     * @see ComparisonPlatform
+     * @author Frans Englich <fenglich@trolltech.com>
+     * @ingroup Patternist_schema
+     */
+    class ComparisonFactory
+    {
+    public:
+        /**
+         * @short Returns the result of evaluating operator @p op applied to the atomic
+         * values @p operand1 and @p operand2.
+         *
+         * The caller guarantees that both values are of type @p type.
+         *
+         * ComparisonFactory does not take ownership of @p sourceLocationReflection.
+         */
+        static bool compare(const AtomicValue::Ptr &operand1,
+                            const AtomicComparator::Operator op,
+                            const AtomicValue::Ptr &operand2,
+                            const SchemaType::Ptr &type,
+                            const ReportContext::Ptr &context,
+                            const SourceLocationReflection *const sourceLocationReflection);
+
+        /**
+         * @short Returns the result of evaluating operator @p op applied to the atomic
+         * values @p operand1 and @p operand2.
+         *
+         * In opposite to compare() it converts the operands from string type
+         * to @p type and compares these constructed types.
+         *
+         * The caller guarantees that both values are of type @p type.
+         *
+         * ComparisonFactory does not take ownership of @p sourceLocationReflection.
+         */
+        static bool constructAndCompare(const DerivedString<TypeString>::Ptr &operand1,
+                                        const AtomicComparator::Operator op,
+                                        const DerivedString<TypeString>::Ptr &operand2,
+                                        const SchemaType::Ptr &type,
+                                        const ReportContext::Ptr &context,
+                                        const SourceLocationReflection *const sourceLocationReflection);
+
+    private:
+        Q_DISABLE_COPY(ComparisonFactory)
+    };
+}
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif