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       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef INCLUDED_SW_INC_BREAKIT_HXX
      21             : #define INCLUDED_SW_INC_BREAKIT_HXX
      22             : 
      23             : #include <boost/noncopyable.hpp>
      24             : #include <com/sun/star/uno/Reference.h>
      25             : #include <com/sun/star/uno/XComponentContext.hpp>
      26             : #include <com/sun/star/i18n/XBreakIterator.hpp>
      27             : #include <com/sun/star/i18n/XScriptTypeDetector.hpp>
      28             : #include <com/sun/star/i18n/ForbiddenCharacters.hpp>
      29             : #include <i18nlangtag/languagetag.hxx>
      30             : #include <swdllapi.h>
      31             : 
      32             : class SW_DLLPUBLIC SwBreakIt : private ::boost::noncopyable
      33             : {
      34             :     com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext > m_xContext;
      35             :     mutable com::sun::star::uno::Reference< com::sun::star::i18n::XBreakIterator > xBreak;
      36             : 
      37             :     LanguageTag * m_pLanguageTag;   ///< language tag of the current locale
      38             :     com::sun::star::i18n::ForbiddenCharacters * m_pForbidden;
      39             : 
      40             :     LanguageType aForbiddenLang; ///< language of the current forbiddenChar struct
      41             : 
      42             :     void _GetLocale( const LanguageType aLang );
      43             :     void _GetLocale( const LanguageTag& rLanguageTag );
      44             :     void _GetForbidden( const LanguageType  aLang );
      45             : 
      46             :     void createBreakIterator() const;
      47             : 
      48             :     // private (see @ _Create, _Delete).
      49             :     explicit SwBreakIt(
      50             :         const com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext > & rxContext);
      51             :     ~SwBreakIt();
      52             : 
      53             : public:
      54             :     // private (see @ source/core/bastyp/init.cxx).
      55             :     static void _Create(
      56             :         const com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext > & rxContext);
      57             :     static void _Delete();
      58             : 
      59             : public:
      60             :     static SwBreakIt * Get();
      61             : 
      62     1575724 :     com::sun::star::uno::Reference< com::sun::star::i18n::XBreakIterator > GetBreakIter()
      63             :     {
      64     1575724 :         createBreakIterator();
      65     1575724 :         return xBreak;
      66             :     }
      67             : 
      68      360396 :     const com::sun::star::lang::Locale& GetLocale( const LanguageType aLang )
      69             :     {
      70      360396 :         if( !m_pLanguageTag || m_pLanguageTag->getLanguageType() != aLang )
      71        5198 :             _GetLocale( aLang );
      72      360396 :         return m_pLanguageTag->getLocale();
      73             :     }
      74             : 
      75           0 :     const com::sun::star::lang::Locale& GetLocale( const LanguageTag& rLanguageTag )
      76             :     {
      77             :         // Use LanguageType comparison instead of LanguageTag::operator!=()
      78             :         // because here the LanguageTag is already a known LanguageType value
      79             :         // assigned, so LanguageTag does not need to convert to BCP47 for
      80             :         // comparison.
      81           0 :         if( !m_pLanguageTag || m_pLanguageTag->getLanguageType() != rLanguageTag.getLanguageType() )
      82           0 :             _GetLocale( rLanguageTag );
      83           0 :         return m_pLanguageTag->getLocale();
      84             :     }
      85             : 
      86         342 :     const LanguageTag& GetLanguageTag( const LanguageType aLang )
      87             :     {
      88         342 :         if( !m_pLanguageTag || m_pLanguageTag->getLanguageType() != aLang )
      89         230 :             _GetLocale( aLang );
      90         342 :         return *m_pLanguageTag;
      91             :     }
      92             : 
      93          68 :     const LanguageTag& GetLanguageTag( const LanguageTag& rLanguageTag )
      94             :     {
      95             :         // Use LanguageType comparison instead of LanguageTag::operator!=()
      96             :         // because here the LanguageTag is already a known LanguageType value
      97             :         // assigned, so LanguageTag does not need to convert to BCP47 for
      98             :         // comparison.
      99          68 :         if( !m_pLanguageTag || m_pLanguageTag->getLanguageType() != rLanguageTag.getLanguageType() )
     100          32 :             _GetLocale( rLanguageTag );
     101          68 :         return *m_pLanguageTag;
     102             :     }
     103             : 
     104       50729 :     const com::sun::star::i18n::ForbiddenCharacters& GetForbidden( const LanguageType aLang )
     105             :     {
     106       50729 :         if( !m_pForbidden || aForbiddenLang != aLang )
     107         342 :             _GetForbidden( aLang );
     108       50729 :         return *m_pForbidden;
     109             :     }
     110             : 
     111             :     sal_uInt16 GetRealScriptOfText( const OUString& rTxt, sal_Int32 nPos ) const;
     112             :     sal_uInt16 GetAllScriptsOfText( const OUString& rTxt ) const;
     113             : 
     114             :     sal_Int32 getGraphemeCount(const OUString& rStr,
     115             :         sal_Int32 nStart, sal_Int32 nEnd) const;
     116       12908 :     sal_Int32 getGraphemeCount(const OUString& rStr) const
     117             :     {
     118       12908 :         return getGraphemeCount(rStr, 0, rStr.getLength());
     119             :     }
     120             : };
     121             : 
     122             : #define SW_BREAKITER()  SwBreakIt::Get()
     123             : 
     124             : // @@@ backward compatibility @@@
     125             : SW_DLLPUBLIC extern SwBreakIt* g_pBreakIt;
     126             : 
     127             : #endif
     128             : 
     129             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */