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// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_INTL_SUPPORT
#error Internationalization is expected to be enabled.
#endif // V8_INTL_SUPPORT
#ifndef V8_OBJECTS_JS_SEGMENTER_H_
#define V8_OBJECTS_JS_SEGMENTER_H_
#include <set>
#include <string>
#include "src/base/bit-field.h"
#include "src/execution/isolate.h"
#include "src/heap/factory.h"
#include "src/objects/managed.h"
#include "src/objects/objects.h"
#include "unicode/uversion.h"
// Has to be the last include (doesn't have include guards):
#include "src/objects/object-macros.h"
namespace U_ICU_NAMESPACE {
class BreakIterator;
}
namespace v8 {
namespace internal {
class JSSegmenter : public TorqueGeneratedJSSegmenter<JSSegmenter, JSObject> {
public:
// Creates segmenter object with properties derived from input locales and
// options.
V8_WARN_UNUSED_RESULT static MaybeHandle<JSSegmenter> New(
Isolate* isolate, Handle<Map> map, Handle<Object> locales,
Handle<Object> options);
V8_WARN_UNUSED_RESULT static Handle<JSObject> ResolvedOptions(
Isolate* isolate, Handle<JSSegmenter> segmenter_holder);
V8_EXPORT_PRIVATE static const std::set<std::string>& GetAvailableLocales();
Handle<String> GranularityAsString() const;
// Segmenter accessors.
DECL_ACCESSORS(icu_break_iterator, Managed<icu::BreakIterator>)
// Granularity: identifying the segmenter used.
//
// ecma402 #sec-segmenter-internal-slots
enum class Granularity {
GRAPHEME, // for character-breaks
WORD, // for word-breaks
SENTENCE // for sentence-breaks
};
inline void set_granularity(Granularity granularity);
inline Granularity granularity() const;
// Bit positions in |flags|.
DEFINE_TORQUE_GENERATED_JS_SEGMENTER_FLAGS()
STATIC_ASSERT(Granularity::GRAPHEME <= GranularityBits::kMax);
STATIC_ASSERT(Granularity::WORD <= GranularityBits::kMax);
STATIC_ASSERT(Granularity::SENTENCE <= GranularityBits::kMax);
DECL_PRINTER(JSSegmenter)
TQ_OBJECT_CONSTRUCTORS(JSSegmenter)
};
} // namespace internal
} // namespace v8
#include "src/objects/object-macros-undef.h"
#endif // V8_OBJECTS_JS_SEGMENTER_H_
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