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diff --git a/unotools/inc/unotools/atom.hxx b/unotools/inc/unotools/atom.hxx
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+++ b/unotools/inc/unotools/atom.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+#ifndef _UTL_ATOM_HXX_
+#define _UTL_ATOM_HXX_
+
+#include "unotools/unotoolsdllapi.h"
+#include <rtl/ustring.hxx>
+#include <osl/mutex.hxx>
+#include <cppuhelper/implbase1.hxx>
+
+#include <boost/unordered_map.hpp>
+#include <list>
+#include <com/sun/star/util/XAtomServer.hpp>
+
+#define INVALID_ATOM 0
+
+namespace utl {
+
+    struct AtomDescription
+    {
+        int                 atom;
+        ::rtl::OUString     description;
+    };
+
+    class AtomProvider
+    {
+        int                                     m_nAtoms;
+        ::boost::unordered_map< int, ::rtl::OUString, ::boost::hash< int > > m_aStringMap;
+        ::boost::unordered_map< ::rtl::OUString, int, ::rtl::OUStringHash >    m_aAtomMap;
+    public:
+        AtomProvider();
+        ~AtomProvider();
+
+        int getAtom( const ::rtl::OUString&, sal_Bool bCreate = sal_False );
+        int getLastAtom() const { return m_nAtoms-1; }
+        const ::rtl::OUString& getString( int ) const;
+
+        void getAll( ::std::list< AtomDescription >& atoms );
+
+        void getRecent( int atom, ::std::list< AtomDescription >& atoms );
+
+        void overrideAtom( int atom, const ::rtl::OUString& description );
+
+        sal_Bool hasAtom( int atom ) const;
+    };
+
+
+    class UNOTOOLS_DLLPUBLIC MultiAtomProvider
+    {
+        ::boost::unordered_map< int, AtomProvider*, ::boost::hash< int > > m_aAtomLists;
+    public:
+        MultiAtomProvider();
+        ~MultiAtomProvider();
+
+        int getLastAtom( int atomClass ) const;
+
+        sal_Bool insertAtomClass( int atomClass );
+
+        int getAtom( int atomClass, const ::rtl::OUString& rString, sal_Bool bCreate = sal_False );
+
+        void getRecent( int atomClass, int atom, ::std::list< AtomDescription >& atoms );
+
+        const ::rtl::OUString& getString( int atomClass, int atom ) const;
+        void getClass( int atomClass, ::std::list< AtomDescription >& atoms ) const;
+
+        void overrideAtom( int atomClass, int atom, const ::rtl::OUString& description );
+        void overrideAtom( int atomClass, const ::com::sun::star::util::AtomDescription& newDescription )
+            { overrideAtom( atomClass, newDescription.atom, newDescription.description ); }
+        sal_Bool hasAtom( int atomClass, int atom ) const;
+    };
+
+    class AtomServer : public ::cppu::WeakAggImplHelper1< ::com::sun::star::util::XAtomServer >
+    {
+    private:
+        MultiAtomProvider   m_aProvider;
+        ::osl::Mutex        m_aMutex;
+    public:
+        AtomServer();
+        virtual ~AtomServer();
+
+        const ::rtl::OUString& getString( int atomClass, int atom ) const
+            { return m_aProvider.getString( atomClass, atom ); }
+
+        virtual ::com::sun::star::uno::Sequence< ::com::sun::star::util::AtomDescription > SAL_CALL getClass( sal_Int32 atomClass ) throw();
+        virtual ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< ::com::sun::star::util::AtomDescription > > SAL_CALL getClasses( const ::com::sun::star::uno::Sequence< sal_Int32 >& atomClasses ) throw();
+        virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getAtomDescriptions( const ::com::sun::star::uno::Sequence< ::com::sun::star::util::AtomClassRequest >& atoms ) throw();
+        virtual ::com::sun::star::uno::Sequence< ::com::sun::star::util::AtomDescription > SAL_CALL getRecentAtoms( sal_Int32 atomClass, sal_Int32 atom ) throw();
+        virtual sal_Int32 SAL_CALL getAtom( sal_Int32 atomClass, const ::rtl::OUString& description, sal_Bool create ) throw();
+    };
+
+    class AtomClient
+    {
+    private:
+        ::com::sun::star::uno::Reference< ::com::sun::star::util::XAtomServer >     m_xServer;
+        MultiAtomProvider m_aProvider;
+    public:
+        AtomClient( const ::com::sun::star::uno::Reference< ::com::sun::star::util::XAtomServer >& );
+        ~AtomClient();
+
+        void updateAtomClasses( const ::com::sun::star::uno::Sequence< sal_Int32 >& atomClasses );
+        int getAtom( int atomClass, const ::rtl::OUString& description, sal_Bool bCreate );
+        const ::rtl::OUString& getString( int atomClass, int atom );
+    };
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */