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 31namespace WebCore { 32 33static 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 51String 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