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diff --git a/sc/inc/queryentry.hxx b/sc/inc/queryentry.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SC_INC_QUERYENTRY_HXX
+#define INCLUDED_SC_INC_QUERYENTRY_HXX
+
+#include "global.hxx"
+#include <svl/sharedstring.hxx>
+#include <unotools/textsearch.hxx>
+
+#include <memory>
+#include <vector>
+
+/**
+ * Each instance of this struct represents a single filtering criteria.
+ */
+struct SC_DLLPUBLIC ScQueryEntry
+{
+    enum QueryType { ByValue, ByString, ByDate, ByEmpty };
+
+    struct SAL_DLLPRIVATE Item
+    {
+        QueryType     meType;
+        double        mfVal;
+        svl::SharedString maString;
+        bool              mbMatchEmpty;
+
+        Item() : meType(ByValue), mfVal(0.0), mbMatchEmpty(false) {}
+
+        bool operator== (const Item& r) const;
+    };
+    typedef std::vector<Item> QueryItemsType;
+
+    bool            bDoQuery;
+    SCCOLROW        nField;
+    ScQueryOp       eOp;
+    ScQueryConnect  eConnect;
+    mutable std::unique_ptr<utl::SearchParam> pSearchParam;       ///< if Wildcard or RegExp, not saved
+    mutable std::unique_ptr<utl::TextSearch>  pSearchText;        ///< if Wildcard or RegExp, not saved
+
+    ScQueryEntry();
+    ScQueryEntry(const ScQueryEntry& r);
+    ~ScQueryEntry();
+
+    /// creates pSearchParam and pSearchText if necessary
+    utl::TextSearch* GetSearchTextPtr( utl::SearchParam::SearchType eSearchType, bool bCaseSens,
+            bool bWildMatchSel ) const;
+
+    QueryItemsType& GetQueryItems() { return maQueryItems;}
+    const QueryItemsType& GetQueryItems() const { return maQueryItems;}
+    void SetQueryByEmpty();
+    bool IsQueryByEmpty() const;
+    void SetQueryByNonEmpty();
+    bool IsQueryByNonEmpty() const;
+    const Item& GetQueryItem() const;
+    Item& GetQueryItem();
+    void            Clear();
+    ScQueryEntry&   operator=( const ScQueryEntry& r );
+    bool            operator==( const ScQueryEntry& r ) const;
+
+private:
+    /**
+     * Stores all query items.  It must contain at least one item at all times
+     * (for single equality match queries or comparative queries).  It may
+     * contain multiple items for multi-equality match queries.
+     */
+    mutable QueryItemsType maQueryItems;
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */