#include "config.h"
#include "IntlSegments.h"
#include "IntlObjectInlines.h"
#include "IntlSegmentIterator.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 IntlSegments::s_info = { "Object", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(IntlSegments) };
IntlSegments* IntlSegments::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<IntlSegments>(vm.heap)) IntlSegments(vm, structure, WTFMove(segmenter), WTFMove(buffer), granularity);
object->finishCreation(vm, string);
return object;
}
Structure* IntlSegments::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
}
IntlSegments::IntlSegments(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 IntlSegments::finishCreation(VM& vm, JSString* string)
{
Base::finishCreation(vm);
ASSERT(inherits(vm, info()));
m_string.set(vm, this, string);
}
JSValue IntlSegments::containing(JSGlobalObject* globalObject, JSValue indexValue)
{
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
double value = indexValue.toInteger(globalObject);
RETURN_IF_EXCEPTION(scope, { });
if (value < 0 || value >= m_buffer->size())
return jsUndefined();
int32_t index = toInt32(value);
int32_t startIndex = ubrk_preceding(m_segmenter.get(), index + 1);
if (startIndex == UBRK_DONE)
startIndex = 0;
int32_t endIndex = ubrk_following(m_segmenter.get(), index);
if (endIndex == UBRK_DONE)
endIndex = m_buffer->size();
scope.release();
return IntlSegmenter::createSegmentDataObject(globalObject, m_string.get(), startIndex, endIndex, *m_segmenter, m_granularity);
}
JSObject* IntlSegments::createSegmentIterator(JSGlobalObject* globalObject)
{
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
UErrorCode status = U_ZERO_ERROR;
auto segmenter = std::unique_ptr<UBreakIterator, UBreakIteratorDeleter>(ubrk_safeClone(m_segmenter.get(), nullptr, nullptr, &status));
if (U_FAILURE(status)) {
throwTypeError(globalObject, scope, "failed to initialize SegmentIterator"_s);
return nullptr;
}
ubrk_first(segmenter.get());
return IntlSegmentIterator::create(vm, globalObject->segmentIteratorStructure(), WTFMove(segmenter), m_buffer, m_string.get(), m_granularity);
}
void IntlSegments::visitChildren(JSCell* cell, SlotVisitor& visitor)
{
auto* thisObject = jsCast<IntlSegments*>(cell);
Base::visitChildren(thisObject, visitor);
visitor.append(thisObject->m_string);
}
}