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Diffstat (limited to '')
-rw-r--r-- | i18nlangtag/source/isolang/inunx.cxx | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/i18nlangtag/source/isolang/inunx.cxx b/i18nlangtag/source/isolang/inunx.cxx new file mode 100644 index 000000000..4dd4cdb35 --- /dev/null +++ b/i18nlangtag/source/isolang/inunx.cxx @@ -0,0 +1,162 @@ +/* -*- 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 . + */ + +#include <stdlib.h> + +#ifdef MACOSX +#include <osl/process.h> +#include <rtl/locale.h> +#include <rtl/ustring.hxx> +#include <i18nlangtag/languagetag.hxx> + +#else // MACOSX +#include <rtl/string.hxx> +#endif // MACOSX + +#include <osl/mutex.hxx> +#include <osl/doublecheckedlocking.h> +#include <i18nlangtag/mslangid.hxx> + + +static LanguageType nImplSystemLanguage = LANGUAGE_DONTKNOW; +static LanguageType nImplSystemUILanguage = LANGUAGE_DONTKNOW; + + +// Get locale of category LC_CTYPE of environment variables +static const char* getLangFromEnvironment( bool& rbColonList ) +{ + static const char* const pFallback = "C"; + const char *pLang = nullptr; + + rbColonList = false; + pLang = getenv ( "LC_ALL" ); + if (! pLang || pLang[0] == 0) + pLang = getenv ( "LC_CTYPE" ); + if (! pLang || pLang[0] == 0) + pLang = getenv( "LANG" ); + if (! pLang || pLang[0] == 0) + pLang = pFallback; + + return pLang; +} + + +// Get locale of category LC_MESSAGES of environment variables +static const char* getUILangFromEnvironment( bool& rbColonList ) +{ + static const char* const pFallback = "C"; + const char *pLang = nullptr; + + rbColonList = true; + pLang = getenv ( "LANGUAGE" ); // respect the GNU extension + if (! pLang || pLang[0] == 0) + { + rbColonList = false; + pLang = getenv ( "LC_ALL" ); + } + if (! pLang || pLang[0] == 0) + pLang = getenv ( "LC_MESSAGES" ); + if (! pLang || pLang[0] == 0) + pLang = getenv( "LANG" ); + if (! pLang || pLang[0] == 0) + pLang = pFallback; + + return pLang; +} + + +typedef const char * (*getLangFromEnv)( bool& rbColonList ); + +static void getPlatformSystemLanguageImpl( LanguageType& rSystemLanguage, + getLangFromEnv pGetLangFromEnv ) +{ + /* get the language from the user environment */ + LanguageType nLang = rSystemLanguage; + if ( nLang != LANGUAGE_DONTKNOW ) + return; + + ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex()); + nLang = rSystemLanguage; + if ( nLang == LANGUAGE_DONTKNOW ) + { +#ifdef MACOSX + rtl_Locale *procLocale; + (void) pGetLangFromEnv; /* unused */ + + if ( osl_getProcessLocale(&procLocale) == osl_Process_E_None ) + { + nLang = LanguageTag( *procLocale ).makeFallback().getLanguageType(); + OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER(); + rSystemLanguage = nLang; +#ifdef DEBUG + if ( rSystemLanguage == LANGUAGE_DONTKNOW ) + fprintf( stderr, "intnunx.cxx: failed to convert osl_getProcessLocale() language to system language.\n" ); +#endif + } +#else /* MACOSX */ + bool bColonList = false; + OString aUnxLang( pGetLangFromEnv( bColonList)); + if (bColonList) + { + // Only a very simple "take first". If empty try second or keep empty. + sal_Int32 n = aUnxLang.indexOf(':'); + if (n >= 0) + { + sal_Int32 s = 0; + if (n == 0 && aUnxLang.getLength() > 1) + { + n = aUnxLang.indexOf(':', 1); + if (n < 0) + n = aUnxLang.getLength(); + if (n < 2) + s = n = 0; + else + { + s = 1; + --n; + } + } + aUnxLang = aUnxLang.copy(s,n); + } + } + nLang = MsLangId::convertUnxByteStringToLanguage( aUnxLang ); + OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER(); + rSystemLanguage = nLang; +#endif /* MACOSX */ + } + else { + OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER(); + } +} + + +LanguageType MsLangId::getPlatformSystemLanguage() +{ + getPlatformSystemLanguageImpl( nImplSystemLanguage, &getLangFromEnvironment); + return nImplSystemLanguage; +} + + +LanguageType MsLangId::getPlatformSystemUILanguage() +{ + getPlatformSystemLanguageImpl( nImplSystemUILanguage, &getUILangFromEnvironment); + return nImplSystemUILanguage; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |