85 lines
3.0 KiB
Plaintext
85 lines
3.0 KiB
Plaintext
/*
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* Copyright (C) 2019 Apple Inc. All rights reserved.
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*
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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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* are met:
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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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*
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* THIS SOFTWARE IS PROVIDED BY APPLE 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 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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*/
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#import "config.h"
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#import <wtf/Language.h>
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#import <wtf/Logging.h>
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#import <wtf/NeverDestroyed.h>
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#import <wtf/RetainPtr.h>
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#import <wtf/cocoa/RuntimeApplicationChecksCocoa.h>
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#import <wtf/cocoa/VectorCocoa.h>
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#import <wtf/spi/cocoa/NSLocaleSPI.h>
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#import <wtf/text/WTFString.h>
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namespace WTF {
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size_t indexOfBestMatchingLanguageInList(const String& language, const Vector<String>& languageList, bool& exactMatch)
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{
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auto matchedLanguages = retainPtr([NSLocale matchedLanguagesFromAvailableLanguages:createNSArray(languageList).get() forPreferredLanguages:@[ static_cast<NSString *>(language) ]]);
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if (![matchedLanguages count]) {
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exactMatch = false;
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return languageList.size();
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}
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String firstMatchedLanguage = [matchedLanguages firstObject];
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exactMatch = language == firstMatchedLanguage;
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auto index = languageList.find(firstMatchedLanguage);
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ASSERT(index < languageList.size());
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return index;
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}
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bool canMinimizeLanguages()
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{
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static const bool result = []() -> bool {
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#if PLATFORM(MAC)
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if (applicationSDKVersion() < DYLD_MACOSX_VERSION_10_15_4)
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return false;
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#endif
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#if PLATFORM(IOS)
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if (applicationSDKVersion() < DYLD_IOS_VERSION_13_4)
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return false;
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#endif
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return [NSLocale respondsToSelector:@selector(minimizedLanguagesFromLanguages:)];
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}();
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return result;
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}
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RetainPtr<CFArrayRef> minimizedLanguagesFromLanguages(CFArrayRef languages)
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{
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if (!canMinimizeLanguages()) {
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LOG(Language, "Could not minimize languages.");
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return languages;
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}
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ALLOW_NEW_API_WITHOUT_GUARDS_BEGIN
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return (__bridge CFArrayRef)[NSLocale minimizedLanguagesFromLanguages:(__bridge NSArray<NSString *> *)languages];
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ALLOW_NEW_API_WITHOUT_GUARDS_END
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}
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}
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