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/*
* Copyright (C) 2020-2021 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 "IntlSegmentIterator.h"
#include "IteratorOperations.h"
#include "JSCInlines.h"
#include "ObjectConstructor.h"
#include <unicode/ucurr.h>
#include <unicode/uloc.h>
#include <wtf/unicode/icu/ICUHelpers.h>
namespace JSC {
const ClassInfo IntlSegmentIterator::s_info = { "Object", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(IntlSegmentIterator) };
IntlSegmentIterator* IntlSegmentIterator::create(VM& vm, Structure* structure, std::unique_ptr<UBreakIterator, UBreakIteratorDeleter>&& segmenter, Box<Vector<UChar>> buffer, JSString* string, IntlSegmenter::Granularity granularity)
{
auto* object = new (NotNull, allocateCell<IntlSegmentIterator>(vm)) IntlSegmentIterator(vm, structure, WTFMove(segmenter), WTFMove(buffer), granularity);
object->finishCreation(vm, string);
return object;
}
Structure* IntlSegmentIterator::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
}
IntlSegmentIterator::IntlSegmentIterator(VM& vm, Structure* structure, std::unique_ptr<UBreakIterator, UBreakIteratorDeleter>&& segmenter, Box<Vector<UChar>>&& buffer, IntlSegmenter::Granularity granularity)
: Base(vm, structure)
, m_segmenter(WTFMove(segmenter))
, m_buffer(WTFMove(buffer))
, m_granularity(granularity)
{
}
void IntlSegmentIterator::finishCreation(VM& vm, JSString* string)
{
Base::finishCreation(vm);
ASSERT(inherits(vm, info()));
m_string.set(vm, this, string);
}
template<typename Visitor>
void IntlSegmentIterator::visitChildrenImpl(JSCell* cell, Visitor& visitor)
{
auto* thisObject = jsCast<IntlSegmentIterator*>(cell);
Base::visitChildren(thisObject, visitor);
visitor.append(thisObject->m_string);
}
DEFINE_VISIT_CHILDREN(IntlSegmentIterator);
JSObject* IntlSegmentIterator::next(JSGlobalObject* globalObject)
{
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
int32_t startIndex = ubrk_current(m_segmenter.get());
int32_t endIndex = ubrk_next(m_segmenter.get());
if (endIndex == UBRK_DONE)
return createIteratorResultObject(globalObject, jsUndefined(), true);
JSObject* object = IntlSegmenter::createSegmentDataObject(globalObject, m_string.get(), startIndex, endIndex, *m_segmenter, m_granularity);
RETURN_IF_EXCEPTION(scope, { });
return createIteratorResultObject(globalObject, object, false);
}
} // namespace JSC