/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#ifndef _BREAKIT_HXX
#define _BREAKIT_HXX

#include <boost/noncopyable.hpp>
#include <com/sun/star/uno/Reference.h>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/i18n/XBreakIterator.hpp>
#include <com/sun/star/i18n/XScriptTypeDetector.hpp>
#include <com/sun/star/i18n/ForbiddenCharacters.hdl>
#include <i18npool/lang.h>
#include <swdllapi.h>

/*************************************************************************
 *                      class SwBreakIt
 *************************************************************************/


class SW_DLLPUBLIC SwBreakIt : private ::boost::noncopyable
{
    com::sun::star::uno::Reference< com::sun::star::lang::XMultiServiceFactory > m_xMSF;
    mutable com::sun::star::uno::Reference< com::sun::star::i18n::XBreakIterator > xBreak;

    com::sun::star::lang::Locale * m_pLocale;
    com::sun::star::i18n::ForbiddenCharacters * m_pForbidden;

    LanguageType aLast;          // language of the current locale
    LanguageType aForbiddenLang; // language of the current forbiddenChar struct

    void _GetLocale( const LanguageType aLang );
    void _GetForbidden( const LanguageType  aLang );

    void createBreakIterator() const;

    // private (see @ _Create, _Delete).
    explicit SwBreakIt(
        const com::sun::star::uno::Reference< com::sun::star::lang::XMultiServiceFactory > & rxMSF);
    ~SwBreakIt();

public:
    // private (see @ source/core/bastyp/init.cxx).
    static void _Create(
        const com::sun::star::uno::Reference< com::sun::star::lang::XMultiServiceFactory > & rxMSF);
    static void _Delete();

public:
    static SwBreakIt * Get();

    com::sun::star::uno::Reference< com::sun::star::i18n::XBreakIterator > GetBreakIter()
    {
        createBreakIterator();
        return xBreak;
    }

    const com::sun::star::lang::Locale& GetLocale( const LanguageType aLang )
    {
        if( !m_pLocale || aLast != aLang )
            _GetLocale( aLang );
        return *m_pLocale;
    }

    const com::sun::star::i18n::ForbiddenCharacters& GetForbidden( const LanguageType aLang )
    {
        if( !m_pForbidden || aForbiddenLang != aLang )
            _GetForbidden( aLang );
        return *m_pForbidden;
    }

    sal_uInt16 GetRealScriptOfText( const rtl::OUString& rTxt, sal_Int32 nPos ) const;
    sal_uInt16 GetAllScriptsOfText( const rtl::OUString& rTxt ) const;

    sal_Int32 getGraphemeCount(const rtl::OUString& rStr,
        sal_Int32 nStart, sal_Int32 nEnd) const;
    sal_Int32 getGraphemeCount(const rtl::OUString& rStr) const
    {
        return getGraphemeCount(rStr, 0, rStr.getLength());
    }
};

#define SW_BREAKITER()  SwBreakIt::Get()

// @@@ backward compatibility @@@
SW_DLLPUBLIC extern SwBreakIt* pBreakIt;

#endif

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