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#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 <hash_map>
#ifndef __SGI_STL_LIST
#include <list>
#endif
#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;
        ::std::hash_map< int, ::rtl::OUString, ::std::hash< int > > m_aStringMap;
        ::std::hash_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
    {
        ::std::hash_map< int, AtomProvider*, ::std::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;
    };
}

#endif