darling-JavaScriptCore/runtime/IntlCache.cpp

57 lines
2.5 KiB
C++

/*
* 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.
*/
#include "config.h"
#include "IntlCache.h"
#include <wtf/Vector.h>
namespace JSC {
UDateTimePatternGenerator* IntlCache::cacheSharedPatternGenerator(const CString& locale, UErrorCode& status)
{
auto generator = std::unique_ptr<UDateTimePatternGenerator, ICUDeleter<udatpg_close>>(udatpg_open(locale.data(), &status));
if (U_FAILURE(status))
return nullptr;
m_cachedDateTimePatternGeneratorLocale = locale;
m_cachedDateTimePatternGenerator = WTFMove(generator);
return m_cachedDateTimePatternGenerator.get();
}
Vector<UChar, 32> IntlCache::getBestDateTimePattern(const CString& locale, const UChar* skeleton, unsigned skeletonSize, UErrorCode& status)
{
// Always use ICU date format generator, rather than our own pattern list and matcher.
auto sharedGenerator = getSharedPatternGenerator(locale, status);
if (U_FAILURE(status))
return { };
Vector<UChar, 32> patternBuffer;
status = callBufferProducingFunction(udatpg_getBestPatternWithOptions, sharedGenerator, skeleton, skeletonSize, UDATPG_MATCH_HOUR_FIELD_LENGTH, patternBuffer);
if (U_FAILURE(status))
return { };
return patternBuffer;
}
} // namespace JSC