/* * Copyright (C) 2020 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #pragma once #include <unicode/udatpg.h> #include <wtf/Noncopyable.h> #include <wtf/text/CString.h> #include <wtf/unicode/icu/ICUHelpers.h> namespace JSC { class IntlCache { WTF_MAKE_NONCOPYABLE(IntlCache); WTF_MAKE_FAST_ALLOCATED; public: IntlCache() = default; Vector<UChar, 32> getBestDateTimePattern(const CString& locale, const UChar* skeleton, unsigned skeletonSize, UErrorCode&); private: UDateTimePatternGenerator* getSharedPatternGenerator(const CString& locale, UErrorCode& status) { if (m_cachedDateTimePatternGenerator) { if (locale == m_cachedDateTimePatternGeneratorLocale) return m_cachedDateTimePatternGenerator.get(); } return cacheSharedPatternGenerator(locale, status); } UDateTimePatternGenerator* cacheSharedPatternGenerator(const CString& locale, UErrorCode&); std::unique_ptr<UDateTimePatternGenerator, ICUDeleter<udatpg_close>> m_cachedDateTimePatternGenerator; CString m_cachedDateTimePatternGeneratorLocale; }; } // namespace JSC