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| -rw-r--r-- | include/unotools/intlwrapper.hxx | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/include/unotools/intlwrapper.hxx b/include/unotools/intlwrapper.hxx new file mode 100644 index 0000000000..0c473cc429 --- /dev/null +++ b/include/unotools/intlwrapper.hxx @@ -0,0 +1,92 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef INCLUDED_UNOTOOLS_INTLWRAPPER_HXX +#define INCLUDED_UNOTOOLS_INTLWRAPPER_HXX + +#include <unotools/unotoolsdllapi.h> +#include <unotools/collatorwrapper.hxx> +#include <com/sun/star/uno/Reference.h> + +#include <i18nlangtag/languagetag.hxx> +#include <memory> +#include <optional> + +namespace com::sun::star::uno { class XComponentContext; } + +class LocaleDataWrapper; + +/** + A wrapper of I18N wrappers. Using this is more expensive than using some + single wrapper classes so use it only if you must pass a single pointer + without knowing in advance what is needed, e.g. for + SfxPoolItem::GetPresentation(). Remember that this wrapper was only created + for convenience to bypass some oddities, if possible don't use it. <p> + + Implemented are only the const get...() methods of the wrappers, which are + loaded on demand, for consistency reasons no change of locale is possible. + Only default calendar and default collator are supported. <p> + + One exception though is the calendar wrapper: to be able to set a value and + retrieve calendar values it is not const, so methods using this should + reset the calendar to the previous value if it isn't sure where the + IntlWrapper did come from. <p> + */ +class UNOTOOLS_DLLPUBLIC IntlWrapper +{ +private: + LanguageTag maLanguageTag; + css::uno::Reference< css::uno::XComponentContext > m_xContext; + + std::unique_ptr<LocaleDataWrapper> pLocaleData; + std::optional<CollatorWrapper> moCollator; + std::optional<CollatorWrapper> moCaseCollator; + + void ImplNewLocaleData() const; + void ImplNewCollator( bool bCaseSensitive ) const; + +public: + IntlWrapper(LanguageTag aLanguageTag); + ~IntlWrapper(); + + const LocaleDataWrapper* getLocaleData() const + { + if ( !pLocaleData ) + ImplNewLocaleData(); + return pLocaleData.get(); + } + /// case insensitive collator, simple IGNORE_CASE + const CollatorWrapper* getCollator() const + { + if ( !moCollator ) + ImplNewCollator( false ); + return &*moCollator; + } + /// case sensitive collator + const CollatorWrapper* getCaseCollator() const + { + if ( !moCaseCollator ) + ImplNewCollator( true ); + return &*moCaseCollator; + } +}; + +#endif // INCLUDED_UNOTOOLS_INTLWRAPPER_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |