IntlSegmentIterator.cpp [plain text]
#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.heap)) 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);
}
void IntlSegmentIterator::visitChildren(JSCell* cell, SlotVisitor& visitor)
{
auto* thisObject = jsCast<IntlSegmentIterator*>(cell);
Base::visitChildren(thisObject, visitor);
visitor.append(thisObject->m_string);
}
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);
}
}