1 /*
2 * Copyright (C) 2007 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "Language.h"
28
29 #include <wtf/text/StringConcatenate.h>
30
31 namespace WebCore {
32
localeInfo(LCTYPE localeType,const String & fallback)33 static String localeInfo(LCTYPE localeType, const String& fallback)
34 {
35 LANGID langID = GetUserDefaultUILanguage();
36 int localeChars = GetLocaleInfo(langID, localeType, 0, 0);
37 if (!localeChars)
38 return fallback;
39 UChar* localeNameBuf;
40 String localeName = String::createUninitialized(localeChars, localeNameBuf);
41 localeChars = GetLocaleInfo(langID, localeType, localeNameBuf, localeChars);
42 if (!localeChars)
43 return fallback;
44 if (localeName.isEmpty())
45 return fallback;
46
47 localeName.truncate(localeName.length() - 1);
48 return localeName;
49 }
50
platformDefaultLanguage()51 String platformDefaultLanguage()
52 {
53 static String computedDefaultLanguage;
54 if (!computedDefaultLanguage.isEmpty())
55 return computedDefaultLanguage;
56
57 String languageName = localeInfo(LOCALE_SISO639LANGNAME, "en");
58 String countryName = localeInfo(LOCALE_SISO3166CTRYNAME, String());
59
60 if (countryName.isEmpty())
61 computedDefaultLanguage = languageName;
62 else
63 computedDefaultLanguage = makeString(languageName, '-', countryName);
64
65 return computedDefaultLanguage;
66 }
67
68 }
69