fed7a57fcd
* allow overriding higher level lll-Ssss-CC with lower level lll-CC for known MS-LangID mappings that use tags with suppress-script * internal override "canonicalization", e.g. ca-XV => ca-ES-valencia Change-Id: I067d7515fb9144a896697617ad1b079e294f1ced
318 lines
12 KiB
C++
318 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_I18NLANGTAG_MSLANGID_HXX
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#define INCLUDED_I18NLANGTAG_MSLANGID_HXX
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#include <sal/config.h>
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#include "i18nlangtag/i18nlangtagdllapi.h"
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#include "i18nlangtag/lang.h"
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#include <com/sun/star/lang/Locale.hpp>
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#include <vector>
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struct IsoLanguageCountryEntry;
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struct IsoLanguageScriptCountryEntry;
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/** Methods related to Microsoft language IDs. For details about MS-LANGIDs
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please see lang.h */
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class I18NLANGTAG_DLLPUBLIC MsLangId
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{
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public:
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/// Create a LangID from a primary and a sublanguage.
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static inline LanguageType makeLangID( LanguageType nSubLangId, LanguageType nPriLangId)
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{
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return (nSubLangId << 10) | nPriLangId;
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}
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/// Get the primary language of a LangID.
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static inline LanguageType getPrimaryLanguage( LanguageType nLangID)
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{
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return nLangID & LANGUAGE_MASK_PRIMARY;
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}
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/// Get the sublanguage of a LangID.
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static inline LanguageType getSubLanguage( LanguageType nLangID)
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{
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return (nLangID & ~LANGUAGE_MASK_PRIMARY) >> 10;
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}
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/** Language/locale of category LC_CTYPE (on Unix, else the system
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language).
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Evaluation order: LC_ALL, LC_CTYPE, LANG */
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static LanguageType getSystemLanguage();
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/** Language/locale of category LC_MESSAGES (on Unix, else same as
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GetSystemLanguage()).
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Evaluation order: LANGUAGE, LC_ALL, LC_MESSAGES, LANG */
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static LanguageType getSystemUILanguage();
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/** @short: A proper language/locale if the nLang parameter designates some
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special value.
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@descr: NOTE: The "system" values may be overridden by the
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application's configuration.
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@returns
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case LANGUAGE_PROCESS_OR_USER_DEFAULT : configured or system language
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case LANGUAGE_SYSTEM_DEFAULT : configured or system language
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case LANGUAGE_SYSTEM : configured or system language
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case LANGUAGE_HID_HUMAN_INTERFACE_DEVICE : configured or system UI language
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case LANGUAGE_DONTKNOW : LANGUAGE_ENGLISH_US
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else: nLang
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In case the configured language is LANGUAGE_SYSTEM, which is also
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the initial default, the system language is obtained. In case the
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configured or resulting system language is LANGUAGE_DONTKNOW,
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LANGUAGE_ENGLISH_US is returned instead.
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*/
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static LanguageType getRealLanguage( LanguageType nLang );
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// TODO: refactor to LanguageTag? Used only in
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// i18npool/source/localedata/localedata.cxx
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/** Get fall-back Locale for Locale with handling of an empty language name
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designating the SYSTEM language. Returns the same Locale if an exact
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match was found.
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*/
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static ::com::sun::star::lang::Locale getFallbackLocale(
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const ::com::sun::star::lang::Locale & rLocale );
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// TODO: refactor to LanguageTag, used only in
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// i18npool/source/isolang/inunx.cxx to convert Unix locale string
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static LanguageType convertUnxByteStringToLanguage( const OString& rString );
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static LanguageType resolveSystemLanguageByScriptType( LanguageType nLang, sal_Int16 nType );
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/** Whether locale has a Right-To-Left orientation. */
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static bool isRightToLeft( LanguageType nLang );
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/** Whether locale is a CJK locale */
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static bool isCJK( LanguageType nLang );
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/** Whether locale is a chinese locale */
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static bool isChinese( LanguageType nLang );
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/** Whether locale is a simplified chinese locale */
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static bool isSimplifiedChinese( LanguageType nLang );
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/** Whether locale is a traditional chinese locale */
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static bool isTraditionalChinese( LanguageType nLang );
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/** Whether locale is a korean locale */
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static bool isKorean( LanguageType nLang );
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/** Whether locale is a simplified chinese locale */
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static bool isSimplifiedChinese( const ::com::sun::star::lang::Locale & rLocale );
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/** Whether locale is a traditional chinese locale */
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static bool isTraditionalChinese( const ::com::sun::star::lang::Locale & rLocale );
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/** Whether locale is one where family name comes first, e.g. Japan, Hungary, Samoa */
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static bool isFamilyNameFirst( LanguageType nLang );
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/** Whether there are "forbidden characters at start or end of line" in
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this locale. CJK locales.
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@see offapi/com/sun/star/i18n/ForbiddenCharacters.idl
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*/
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static bool hasForbiddenCharacters( LanguageType nLang );
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/** Whether locale needs input sequence checking. CTL locales. */
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static bool needsSequenceChecking( LanguageType nLang );
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/** Get ::com::sun::star::i18n::ScriptType of locale. */
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static sal_Int16 getScriptType( LanguageType nLang );
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/** Whether locale is "Western" but not Latin script, e.g. Cyrillic or Greek. */
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static bool isNonLatinWestern( LanguageType nLang );
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/** Map an obsolete user defined LANGID (see lang.h
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LANGUAGE_OBSOLETE_USER_...) to the new value defined by MS in the
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meantime.
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Also used to map UI localizations using reserved ISO codes to something
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"official" but not identical in order to not pollute documents with
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invalid ISO codes.
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@param bUserInterfaceSelection
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If TRUE, don't replace such UI-only locale. Only use for
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Tools->Options->LanguageSettings->UserInterface listbox.
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If FALSE, do replace.
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*/
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static LanguageType getReplacementForObsoleteLanguage( LanguageType nLang,
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bool bUserInterfaceSelection = false );
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/** @ATTENTION: these are _ONLY_ to be called by the application's
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configuration! */
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static void setConfiguredSystemLanguage( LanguageType nLang );
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static void setConfiguredSystemUILanguage( LanguageType nLang );
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static void setConfiguredWesternFallback( LanguageType nLang );
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static void setConfiguredComplexFallback( LanguageType nLang );
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static void setConfiguredAsianFallback( LanguageType nLang );
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// ---------------------------------------------------------------------------
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struct LanguagetagMapping
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{
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OUString maBcp47;
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LanguageType mnLang;
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LanguagetagMapping( const OUString & rBcp47, LanguageType nLang ) : maBcp47(rBcp47), mnLang(nLang) {}
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};
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/** @internal - Obtain a list of known locales (i.e. those that have a
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defined mapping between MS-LangID and ISO codes or tags) as BCP 47
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language tag strings.
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*/
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static ::std::vector< LanguagetagMapping > getDefinedLanguagetags();
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// ---------------------------------------------------------------------------
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/** Encapsulated conversion methods used by LanguageTag and conversions,
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not to be used by anything else.
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*/
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class Conversion
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{
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private:
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friend class LanguageTag;
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friend class LanguageTagImpl;
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friend ::com::sun::star::lang::Locale MsLangId::getFallbackLocale(
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const ::com::sun::star::lang::Locale & rLocale );
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friend LanguageType MsLangId::convertUnxByteStringToLanguage(
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const OString& rString );
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/** Convert a Locale to a LanguageType with handling of an empty
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language name designating LANGUAGE_SYSTEM.
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*/
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I18NLANGTAG_DLLPRIVATE static LanguageType convertLocaleToLanguage(
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const ::com::sun::star::lang::Locale & rLocale );
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/** Used by convertLocaleToLanguage(Locale) */
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I18NLANGTAG_DLLPRIVATE static LanguageType convertLocaleToLanguageImpl(
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const ::com::sun::star::lang::Locale & rLocale );
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/** Convert x-... privateuse, used by convertLocaleToLanguageImpl(Locale) */
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I18NLANGTAG_DLLPRIVATE static LanguageType convertPrivateUseToLanguage(
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const OUString& rPriv );
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/** Used by LanguageTag::canonicalize() */
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I18NLANGTAG_DLLPRIVATE static ::com::sun::star::lang::Locale getOverride(
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const ::com::sun::star::lang::Locale & rLocale );
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/** Used by convertLocaleToLanguage(Locale) */
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I18NLANGTAG_DLLPRIVATE static LanguageType convertIsoNamesToLanguage(
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const OUString& rLang, const OUString& rCountry );
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/** Used by convertUnxByteStringToLanguage(OString) */
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I18NLANGTAG_DLLPRIVATE static LanguageType convertIsoNamesToLanguage(
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const OString& rLang, const OString& rCountry );
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/** Used by lookupFallbackLocale(Locale) */
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I18NLANGTAG_DLLPRIVATE static com::sun::star::lang::Locale getLocale(
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const IsoLanguageCountryEntry * pEntry );
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/** Used by lookupFallbackLocale(Locale) */
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I18NLANGTAG_DLLPRIVATE static com::sun::star::lang::Locale getLocale(
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const IsoLanguageScriptCountryEntry * pEntry );
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/** Convert a LanguageType to a Locale.
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@param bResolveSystem
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If bResolveSystem==true, a LANGUAGE_SYSTEM is resolved.
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If bResolveSystem==false, a LANGUAGE_SYSTEM results in an
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empty Locale.
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*/
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I18NLANGTAG_DLLPRIVATE static ::com::sun::star::lang::Locale convertLanguageToLocale(
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LanguageType nLang, bool bResolveSystem );
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/** Used by convertLanguageToLocale(LanguageType,bool) and
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getLocale(IsoLanguageCountryEntry*) and
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getLocale(IsoLanguageScriptCountryEntry)
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@param bIgnoreOverride
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If bIgnoreOverride==true, a matching entry is used even if
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mnOverride is set, for conversion to an even outdated tag.
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If bIgnoreOverride==false, a matching entry is skipped if
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mnOverride is set and instead the override is followed.
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@return rLocale set to mapped values, unchanged if no mapping was
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found. E.g. pass empty Locale to obtain empty SYSTEM locale
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for that case.
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*/
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I18NLANGTAG_DLLPRIVATE static void convertLanguageToLocaleImpl(
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LanguageType nLang, ::com::sun::star::lang::Locale & rLocale, bool bIgnoreOverride );
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I18NLANGTAG_DLLPRIVATE static ::com::sun::star::lang::Locale lookupFallbackLocale(
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const ::com::sun::star::lang::Locale & rLocale );
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};
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private:
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static LanguageType nConfiguredSystemLanguage;
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static LanguageType nConfiguredSystemUILanguage;
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static LanguageType nConfiguredWesternFallback;
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static LanguageType nConfiguredAsianFallback;
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static LanguageType nConfiguredComplexFallback;
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static LanguageType getPlatformSystemLanguage();
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static LanguageType getPlatformSystemUILanguage();
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// Substitute LANGUAGE_SYSTEM for LANGUAGE_SYSTEM_DEFAULT and
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// LANGUAGE_PROCESS_OR_USER_DEFAULT, other values aren't touched.
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I18NLANGTAG_DLLPRIVATE static inline LanguageType simplifySystemLanguages( LanguageType nLang );
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};
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// static
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inline LanguageType MsLangId::getSystemLanguage()
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{
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return getPlatformSystemLanguage();
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}
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// static
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inline LanguageType MsLangId::getSystemUILanguage()
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{
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return getPlatformSystemUILanguage();
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}
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#endif // INCLUDED_I18NLANGTAG_MSLANGID_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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