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* Copyright (C) 2007 Apple Inc. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "PlatformString.h"
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static String localeInfo(LCTYPE localeType, const String& fallback)
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LANGID langID = GetUserDefaultUILanguage();
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int localeChars = GetLocaleInfo(langID, localeType, 0, 0);
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Vector<WCHAR> localeNameBuf(localeChars);
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localeChars = GetLocaleInfo(langID, localeType, localeNameBuf.data(), localeChars);
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String localeName = String::adopt(localeNameBuf);
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if (localeName.isEmpty())
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String defaultLanguage()
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static String computedDefaultLanguage;
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if (!computedDefaultLanguage.isEmpty())
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return computedDefaultLanguage;
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String languageName = localeInfo(LOCALE_SISO639LANGNAME, "en");
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String countryName = localeInfo(LOCALE_SISO3166CTRYNAME, String());
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if (countryName.isEmpty())
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computedDefaultLanguage = languageName;
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computedDefaultLanguage = String::format("%s-%s", languageName.latin1().data(), countryName.latin1().data());
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return computedDefaultLanguage;