1/*
2 * Copyright (C) 2007 Alp Toker <alp@atoker.com>
3 * Copyright (C) 2016, 2017 Apple Inc. All rights reserved.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB. If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20
21#include "config.h"
22#include <wtf/Language.h>
23
24#include <locale.h>
25#include <wtf/Vector.h>
26#include <wtf/text/WTFString.h>
27
28namespace WTF {
29
30// Using pango_language_get_default() here is not an option, because
31// it doesn't support changing the locale in runtime, so it returns
32// always the same value.
33static String platformLanguage()
34{
35 String localeDefault(setlocale(LC_CTYPE, nullptr));
36 if (localeDefault.isEmpty() || equalIgnoringASCIICase(localeDefault, "C") || equalIgnoringASCIICase(localeDefault, "POSIX"))
37 return "en-US"_s;
38
39 String normalizedDefault = localeDefault;
40 normalizedDefault.replace('_', '-');
41 normalizedDefault.truncate(normalizedDefault.find('.'));
42 return normalizedDefault;
43}
44
45Vector<String> platformUserPreferredLanguages()
46{
47 return { platformLanguage() };
48}
49
50} // namespace WTF
51