d25b88ca2b
upgrade OSL_ASSERT to assert and add a few more Change-Id: Ib52ca573d9e0878fef94dec40410f71bc94dea04 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/166914 Tested-by: Jenkins Reviewed-by: Caolán McNamara <caolan.mcnamara@collabora.com>
106 lines
3.8 KiB
C++
106 lines
3.8 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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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <wchar.h>
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#include "nlsupport.hxx"
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#include <osl/nlsupport.h>
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#include <osl/diagnose.h>
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#include <osl/process.h>
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#include <rtl/tencinfo.h>
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#include <rtl/ustrbuf.hxx>
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#include <o3tl/char16_t2wchar_t.hxx>
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/* XXX NOTE:
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* http://msdn.microsoft.com/en-us/library/windows/desktop/dd373848.aspx
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* (retrieved 2013-02-13) has some weird description for the LOCALE_SISO*
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* constants: "The maximum number of characters allowed for this string is
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* nine, including a terminating null character." NINE?!? In ISO 639 and ISO
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* 3166?
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*/
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constexpr int ELP_LANGUAGE_FIELD_LENGTH = 4;
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constexpr int ELP_COUNTRY_FIELD_LENGTH = 3;
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static int GetLocaleInfoN(LPCWSTR l, LCTYPE t, DWORD& n)
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{
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return GetLocaleInfoEx(l, t | LOCALE_RETURN_NUMBER, reinterpret_cast<LPWSTR>(&n),
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sizeof(n) / sizeof(WCHAR));
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}
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rtl_TextEncoding SAL_CALL osl_getTextEncodingFromLocale( rtl_Locale * pLocale )
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{
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/* if pLocale is NULL, use process locale as default */
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if( nullptr == pLocale )
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osl_getProcessLocale( &pLocale );
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if (!pLocale || !pLocale->Language || !pLocale->Language->length)
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return RTL_TEXTENCODING_DONTKNOW;
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/* Build a BCP47 tag */
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OUStringBuffer sLocale(OUString::unacquired(&pLocale->Language));
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if (pLocale->Country && pLocale->Country->length > 0)
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sLocale.append("-" + OUString::unacquired(&pLocale->Country));
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sLocale.append('\0');
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/* query ansi codepage for given locale */
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DWORD codepage;
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if (!GetLocaleInfoN(o3tl::toW(sLocale.getStr()), LOCALE_IDEFAULTANSICODEPAGE, codepage))
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{
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WCHAR resolved[LOCALE_NAME_MAX_LENGTH];
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if (!ResolveLocaleName(o3tl::toW(sLocale.getStr()), resolved, std::size(resolved)))
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return RTL_TEXTENCODING_DONTKNOW;
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if (!GetLocaleInfoN(resolved, LOCALE_IDEFAULTANSICODEPAGE, codepage))
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return RTL_TEXTENCODING_DONTKNOW;
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}
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/* if GetLocaleInfo returns 0, it is a UNICODE only locale */
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if (0 == codepage)
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return RTL_TEXTENCODING_UNICODE;
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/* find matching rtl encoding */
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return rtl_getTextEncodingFromWindowsCodePage(codepage);
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}
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void imp_getProcessLocale( rtl_Locale ** ppLocale )
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{
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WCHAR locale[LOCALE_NAME_MAX_LENGTH];
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WCHAR langCode[ELP_LANGUAGE_FIELD_LENGTH];
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WCHAR ctryCode[ELP_COUNTRY_FIELD_LENGTH];
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assert(ppLocale);
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/* get the locale name to retrieve information from */
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/* and call GetLocaleInfo to retrieve the iso codes */
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if( GetUserDefaultLocaleName(locale, std::size(locale)) &&
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GetLocaleInfoEx( locale, LOCALE_SISO639LANGNAME , langCode, std::size(langCode) ) &&
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GetLocaleInfoEx( locale, LOCALE_SISO3166CTRYNAME , ctryCode, std::size(ctryCode) ) )
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{
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*ppLocale = rtl_locale_register( o3tl::toU(langCode), o3tl::toU(ctryCode), u"" );
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}
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else
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{
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*ppLocale = rtl_locale_register( u"C", u"", u"" );
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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