darling-JavaScriptCore/runtime/IntlSegmenter.h

79 lines
2.8 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.
*/
#pragma once
#include "IntlObject.h"
#include <unicode/ubrk.h>
#include <wtf/unicode/icu/ICUHelpers.h>
namespace JSC {
using UBreakIteratorDeleter = ICUDeleter<ubrk_close>;
class IntlSegmenter final : public JSNonFinalObject {
public:
using Base = JSNonFinalObject;
static constexpr bool needsDestruction = true;
static void destroy(JSCell* cell)
{
static_cast<IntlSegmenter*>(cell)->IntlSegmenter::~IntlSegmenter();
}
template<typename CellType, SubspaceAccess mode>
static IsoSubspace* subspaceFor(VM& vm)
{
return vm.intlSegmenterSpace<mode>();
}
enum class Granularity : uint8_t { Grapheme, Word, Sentence };
static IntlSegmenter* create(VM&, Structure*);
static Structure* createStructure(VM&, JSGlobalObject*, JSValue);
DECLARE_INFO;
void initializeSegmenter(JSGlobalObject*, JSValue localesValue, JSValue optionsValue);
JSValue segment(JSGlobalObject*, JSValue) const;
JSObject* resolvedOptions(JSGlobalObject*) const;
static JSObject* createSegmentDataObject(JSGlobalObject*, JSString*, int32_t startIndex, int32_t endIndex, UBreakIterator&, Granularity);
private:
IntlSegmenter(VM&, Structure*);
void finishCreation(VM&);
static ASCIILiteral granularityString(Granularity);
std::unique_ptr<UBreakIterator, UBreakIteratorDeleter> m_segmenter;
String m_locale;
Granularity m_granularity { Granularity::Grapheme };
};
} // namespace JSC