f220acf3aa
Change-Id: Ied9a244a0fdd5973f2c9cb3bdd46500f6be2e0cd Reviewed-on: https://gerrit.libreoffice.org/c/core/+/150868 Tested-by: Jenkins Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
332 lines
10 KiB
C++
332 lines
10 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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#include <sal/config.h>
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#include <sal/log.hxx>
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#include <cassert>
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#include <limits>
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#include "localebackend.hxx"
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#include <com/sun/star/beans/Optional.hpp>
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#include <com/sun/star/uno/XComponentContext.hpp>
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#include <cppuhelper/supportsservice.hxx>
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#include <rtl/character.hxx>
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#include <o3tl/char16_t2wchar_t.hxx>
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#include <i18nlangtag/languagetag.hxx>
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#include <i18nlangtag/mslangid.hxx>
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#ifdef _WIN32
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#if !defined WIN32_LEAN_AND_MEAN
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# define WIN32_LEAN_AND_MEAN
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#endif
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#include <windows.h>
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static css::beans::Optional<css::uno::Any> ImplGetLocale(LCID lcid)
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{
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WCHAR buffer[8];
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PWSTR cp = buffer;
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cp += GetLocaleInfoW( lcid, LOCALE_SISO639LANGNAME, buffer, 4 );
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if( cp > buffer )
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{
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if( 0 < GetLocaleInfoW( lcid, LOCALE_SISO3166CTRYNAME, cp, buffer + 8 - cp) )
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// #i50822# minus character must be written before cp
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*(cp - 1) = '-';
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return {true, css::uno::Any(OUString(o3tl::toU(buffer)))};
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}
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return {false, {}};
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}
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#elif defined(MACOSX)
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#include <rtl/ustrbuf.hxx>
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#include <locale.h>
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#include <string.h>
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#include <premac.h>
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#include <CoreServices/CoreServices.h>
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#include <CoreFoundation/CoreFoundation.h>
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#include <postmac.h>
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namespace /* private */
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{
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void OUStringBufferAppendCFString(OUStringBuffer& buffer, const CFStringRef s)
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{
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CFIndex lstr = CFStringGetLength(s);
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for (CFIndex i = 0; i < lstr; i++)
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buffer.append(sal_Unicode(CFStringGetCharacterAtIndex(s, i)));
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}
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template <typename T>
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class CFGuard
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{
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public:
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explicit CFGuard(T& rT) : rT_(rT) {}
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~CFGuard() { if (rT_) CFRelease(rT_); }
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private:
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T& rT_;
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};
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typedef CFGuard<CFArrayRef> CFArrayGuard;
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typedef CFGuard<CFStringRef> CFStringGuard;
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typedef CFGuard<CFTypeRef> CFTypeRefGuard;
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/* For more information on the Apple locale concept please refer to
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http://developer.apple.com/documentation/CoreFoundation/Conceptual/CFLocales/Articles/CFLocaleConcepts.html
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According to this documentation a locale identifier has the format: language[_country][_variant]*
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e.g. es_ES_PREEURO -> spain prior Euro support
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Note: The calling code should be able to handle locales with only language information e.g. 'en' for certain
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UI languages just the language code will be returned.
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*/
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CFStringRef ImplGetAppPreference(const char* pref)
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{
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CFStringRef csPref = CFStringCreateWithCString(nullptr, pref, kCFStringEncodingASCII);
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CFStringGuard csRefGuard(csPref);
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CFTypeRef ref = CFPreferencesCopyAppValue(csPref, kCFPreferencesCurrentApplication);
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CFTypeRefGuard refGuard(ref);
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if (ref == nullptr)
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return nullptr;
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CFStringRef sref = (CFGetTypeID(ref) == CFArrayGetTypeID()) ? static_cast<CFStringRef>(CFArrayGetValueAtIndex(static_cast<CFArrayRef>(ref), 0)) : static_cast<CFStringRef>(ref);
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// NOTE: this API is only available with macOS >=10.3. We need to use it because
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// Apple used non-ISO values on systems <10.2 like "German" for instance but didn't
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// upgrade those values during upgrade to newer macOS versions. See also #i54337#
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return CFLocaleCreateCanonicalLocaleIdentifierFromString(kCFAllocatorDefault, sref);
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}
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css::beans::Optional<css::uno::Any> ImplGetLocale(const char* pref)
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{
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CFStringRef sref = ImplGetAppPreference(pref);
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CFStringGuard srefGuard(sref);
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OUStringBuffer aLocaleBuffer("en-US"); // initialize with fallback value
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if (sref != nullptr)
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{
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// split the string into substrings; the first two (if there are two) substrings
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// are language and country
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CFArrayRef subs = CFStringCreateArrayBySeparatingStrings(nullptr, sref, CFSTR("_"));
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CFArrayGuard subsGuard(subs);
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if (subs != nullptr)
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{
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aLocaleBuffer.setLength(0); // clear buffer which still contains fallback value
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CFStringRef lang = static_cast<CFStringRef>(CFArrayGetValueAtIndex(subs, 0));
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OUStringBufferAppendCFString(aLocaleBuffer, lang);
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// country also available? Assumption: if the array contains more than one
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// value the second value is always the country!
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if (CFArrayGetCount(subs) > 1)
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{
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aLocaleBuffer.append("-");
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CFStringRef country = static_cast<CFStringRef>(CFArrayGetValueAtIndex(subs, 1));
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OUStringBufferAppendCFString(aLocaleBuffer, country);
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}
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}
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}
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return {true, css::uno::Any(aLocaleBuffer.makeStringAndClear())};
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}
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} // namespace /* private */
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#else
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#include <rtl/ustrbuf.hxx>
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#include <cstdlib>
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#include <cstring>
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static css::beans::Optional<css::uno::Any> ImplGetLocale(char const * category)
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{
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const char *locale = std::getenv("LC_ALL");
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if (locale == nullptr || *locale == '\0') {
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locale = std::getenv(category);
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if (locale == nullptr || *locale == '\0') {
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locale = std::getenv("LANG");
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}
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}
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// Return "en-US" for C locales
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if( (locale == nullptr) || *locale == '\0' || std::strcmp(locale, "C") == 0
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|| std::strcmp(locale, "POSIX") == 0 )
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return {true, css::uno::Any(OUString("en-US"))};
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const char *cp;
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const char *uscore = nullptr;
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const char *end = nullptr;
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// locale string have the format lang[_ctry][.encoding][@modifier]
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// Let LanguageTag handle all conversion, but do a sanity and length check
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// first.
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// For the fallback we are only interested in the first two items, so we
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// handle '.' and '@' as string end for that.
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for (cp = locale; *cp; cp++)
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{
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if (*cp == '_' && !uscore)
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uscore = cp;
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if ((*cp == '.' || *cp == '@') && !end)
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end = cp;
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if (!rtl::isAscii(static_cast<unsigned char>(*cp))) {
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SAL_INFO("shell", "locale env var with non-ASCII content");
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return {false, {}};
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}
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}
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assert(cp >= locale);
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if (cp - locale > std::numeric_limits<sal_Int32>::max()) {
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SAL_INFO("shell", "locale env var content too long");
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return {false, {}};
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}
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// This is a tad awkward... but the easiest way to obtain what we're
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// actually interested in. For example this also converts
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// "ca_ES.UTF-8@valencia" to "ca-ES-valencia".
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const OString aLocaleStr(locale);
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const LanguageType nLang = MsLangId::convertUnxByteStringToLanguage( aLocaleStr);
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if (nLang != LANGUAGE_DONTKNOW)
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{
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const OUString aLangTagStr( LanguageTag::convertToBcp47( nLang));
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return {true, css::uno::Any(aLangTagStr)};
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}
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// As a fallback, strip encoding and modifier and return just a
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// language-country combination and let the caller handle unknowns.
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OUStringBuffer aLocaleBuffer;
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if (!end)
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end = cp;
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if( uscore != nullptr )
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{
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aLocaleBuffer.appendAscii(locale, uscore++ - locale);
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aLocaleBuffer.append("-");
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aLocaleBuffer.appendAscii(uscore, end - uscore);
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}
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else
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{
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aLocaleBuffer.appendAscii(locale, end - locale);
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}
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return {true, css::uno::Any(aLocaleBuffer.makeStringAndClear())};
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}
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#endif
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LocaleBackend::LocaleBackend()
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{
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}
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LocaleBackend::~LocaleBackend()
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{
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}
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css::beans::Optional<css::uno::Any> LocaleBackend::getLocale()
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{
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#if defined(_WIN32)
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return ImplGetLocale( GetUserDefaultLCID() );
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#elif defined (MACOSX)
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return ImplGetLocale("AppleLocale");
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#else
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return ImplGetLocale("LC_CTYPE");
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#endif
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}
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css::beans::Optional<css::uno::Any> LocaleBackend::getUILocale()
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{
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#if defined(_WIN32)
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return ImplGetLocale( MAKELCID(GetUserDefaultUILanguage(), SORT_DEFAULT) );
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#elif defined(MACOSX)
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return ImplGetLocale("AppleLanguages");
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#else
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return ImplGetLocale("LC_MESSAGES");
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#endif
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}
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css::beans::Optional<css::uno::Any> LocaleBackend::getSystemLocale()
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{
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// note: the implementation differs from getLocale() only on Windows
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#if defined(_WIN32)
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return ImplGetLocale( GetSystemDefaultLCID() );
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#else
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return getLocale();
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#endif
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}
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void LocaleBackend::setPropertyValue(
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OUString const &, css::uno::Any const &)
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{
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throw css::lang::IllegalArgumentException(
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"setPropertyValue not supported",
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getXWeak(), -1);
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}
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css::uno::Any LocaleBackend::getPropertyValue(
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OUString const & PropertyName)
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{
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if ( PropertyName == "Locale" ) {
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return css::uno::Any(getLocale());
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} else if (PropertyName == "SystemLocale")
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{
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return css::uno::Any(getSystemLocale());
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} else if (PropertyName == "UILocale")
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{
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return css::uno::Any(getUILocale());
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} else {
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throw css::beans::UnknownPropertyException(
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PropertyName, getXWeak());
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}
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}
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OUString SAL_CALL LocaleBackend::getImplementationName()
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{
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return "com.sun.star.comp.configuration.backend.LocaleBackend" ;
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}
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sal_Bool SAL_CALL LocaleBackend::supportsService(const OUString& aServiceName)
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{
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return cppu::supportsService(this, aServiceName);
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}
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uno::Sequence<OUString> SAL_CALL LocaleBackend::getSupportedServiceNames()
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{
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return { "com.sun.star.configuration.backend.LocaleBackend" };
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}
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extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
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shell_LocaleBackend_get_implementation(
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css::uno::XComponentContext* , css::uno::Sequence<css::uno::Any> const&)
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{
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return cppu::acquire(new LocaleBackend());
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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