include/unotools/intlwrapper.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
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   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_UNOTOOLS_INTLWRAPPER_HXX
  21 #define INCLUDED_UNOTOOLS_INTLWRAPPER_HXX
  22
  23 #include <unotools/unotoolsdllapi.h>
  24 #include <com/sun/star/uno/Reference.h>
  25
  26 #include <i18nlangtag/languagetag.hxx>
  27 #include <memory>
  28
  29 namespace com::sun::star::uno { class XComponentContext; }
  30
  31 class CollatorWrapper;
  32 class LocaleDataWrapper;
  33
  34 /**
  35     A wrapper of I18N wrappers. Using this is more expensive than using some
  36     single wrapper classes so use it only if you must pass a single pointer
  37     without knowing in advance what is needed, e.g. for
  38     SfxPoolItem::GetPresentation(). Remember that this wrapper was only created
  39     for convenience to bypass some oddities, if possible don't use it. <p>
  40
  41     Implemented are only the const get...() methods of the wrappers, which are
  42     loaded on demand, for consistency reasons no change of locale is possible.
  43     Only default calendar and default collator are supported. <p>
  44
  45     One exception though is the calendar wrapper: to be able to set a value and
  46     retrieve calendar values it is not const, so methods using this should
  47     reset the calendar to the previous value if it isn't sure where the
  48     IntlWrapper did come from. <p>
  49  */
  50 class UNOTOOLS_DLLPUBLIC IntlWrapper
  51 {
  52 private:
  53     LanguageTag         maLanguageTag;
  54     css::uno::Reference< css::uno::XComponentContext > m_xContext;
  55
  56     std::unique_ptr<LocaleDataWrapper>  pLocaleData;
  57     std::unique_ptr<CollatorWrapper>    pCollator;
  58     std::unique_ptr<CollatorWrapper>    pCaseCollator;
  59
  60     void                ImplNewLocaleData() const;
  61     void                ImplNewCollator( bool bCaseSensitive ) const;
  62
  63 public:
  64     IntlWrapper(const LanguageTag& rLanguageTag);
  65     ~IntlWrapper();
  66
  67     const LocaleDataWrapper*    getLocaleData() const
  68                                     {
  69                                         if ( !pLocaleData )
  70                                             ImplNewLocaleData();
  71                                         return pLocaleData.get();
  72                                     }
  73     /// case insensitive collator, simple IGNORE_CASE
  74     const CollatorWrapper*      getCollator() const
  75                                     {
  76                                         if ( !pCollator )
  77                                             ImplNewCollator( false );
  78                                         return pCollator.get();
  79                                     }
  80     /// case sensitive collator
  81     const CollatorWrapper*      getCaseCollator() const
  82                                     {
  83                                         if ( !pCaseCollator )
  84                                             ImplNewCollator( true );
  85                                         return pCaseCollator.get();
  86                                     }
  87 };
  88
  89 #endif // INCLUDED_UNOTOOLS_INTLWRAPPER_HXX
  90
  91 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */