// 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 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; DECL_CAST(JSSegmenter) // Segmenter accessors. DECL_ACCESSORS(locale, String) 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); // [flags] Bit field containing various flags about the function. DECL_INT_ACCESSORS(flags) DECL_PRINTER(JSSegmenter) DECL_VERIFIER(JSSegmenter) // Layout description. DEFINE_FIELD_OFFSET_CONSTANTS(JSObject::kHeaderSize, TORQUE_GENERATED_JS_SEGMENTER_FIELDS) private: OBJECT_CONSTRUCTORS(JSSegmenter, JSObject); }; } // namespace internal } // namespace v8 #include "src/objects/object-macros-undef.h" #endif // V8_OBJECTS_JS_SEGMENTER_H_