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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include <stdlib.h> // for getenv()
#include <stdio.h>
#ifdef MACOSX
#include <osl/process.h>
#include <rtl/locale.h>
#include <rtl/ustring.hxx>
#else // MACOSX
#include <rtl/string.hxx>
#endif // MACOSX
#include <rtl/instance.hxx>
#include "i18npool/mslangid.hxx"
// =======================================================================
static LanguageType nImplSystemLanguage = LANGUAGE_DONTKNOW;
static LanguageType nImplSystemUILanguage = LANGUAGE_DONTKNOW;
// -----------------------------------------------------------------------
// Get locale of category LC_CTYPE of environment variables
static const sal_Char* getLangFromEnvironment()
{
static const sal_Char* pFallback = "C";
const sal_Char *pLang = NULL;
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 sal_Char* getUILangFromEnvironment()
{
static const sal_Char* pFallback = "C";
const sal_Char *pLang = NULL;
pLang = getenv ( "LANGUAGE" ); // respect the GNU extension
if (! pLang || pLang[0] == 0)
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 sal_Char * (*getLangFromEnv)();
static void getPlatformSystemLanguageImpl( LanguageType& rSystemLanguage,
getLangFromEnv pGetLangFromEnv )
{
/* get the language from the user environment */
LanguageType nLang = rSystemLanguage;
if ( nLang == LANGUAGE_DONTKNOW )
{
::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 )
{
rtl::OUString rLang( procLocale->Language );
rtl::OUString rCountry( procLocale->Country );
nLang = MsLangId::convertIsoNamesToLanguage( rLang, rCountry );
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 */
rtl::OString aUnxLang( (pGetLangFromEnv)() );
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: */
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