js-break-iterator.h 2.78 KB
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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_BREAK_ITERATOR_H_
#define V8_OBJECTS_JS_BREAK_ITERATOR_H_

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#include <set>
#include <string>

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#include "src/objects/intl-objects.h"
#include "src/objects/managed.h"
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#include "src/objects/objects.h"
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#include "torque-generated/field-offsets-tq.h"
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// Has to be the last include (doesn't have include guards):
#include "src/objects/object-macros.h"

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namespace U_ICU_NAMESPACE {
class BreakIterator;
}  // namespace U_ICU_NAMESPACE

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namespace v8 {
namespace internal {

class JSV8BreakIterator : public JSObject {
 public:
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  V8_WARN_UNUSED_RESULT static MaybeHandle<JSV8BreakIterator> New(
      Isolate* isolate, Handle<Map> map, Handle<Object> input_locales,
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      Handle<Object> input_options, const char* service);
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  static Handle<JSObject> ResolvedOptions(
      Isolate* isolate, Handle<JSV8BreakIterator> break_iterator);

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  V8_EXPORT_PRIVATE static const std::set<std::string>& GetAvailableLocales();
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  static void AdoptText(Isolate* isolate,
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                        Handle<JSV8BreakIterator> break_iterator,
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                        Handle<String> text);

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  static Handle<Object> Current(Isolate* isolate,
                                Handle<JSV8BreakIterator> break_iterator);
  static Handle<Object> First(Isolate* isolate,
                              Handle<JSV8BreakIterator> break_iterator);
  static Handle<Object> Next(Isolate* isolate,
                             Handle<JSV8BreakIterator> break_iterator);
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  static String BreakType(Isolate* isolate,
                          Handle<JSV8BreakIterator> break_iterator);
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  enum class Type { CHARACTER, WORD, SENTENCE, LINE };
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  inline void set_type(Type type);
  inline Type type() const;
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  Handle<String> TypeAsString() const;

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  DECL_CAST(JSV8BreakIterator)
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  DECL_PRINTER(JSV8BreakIterator)
  DECL_VERIFIER(JSV8BreakIterator)

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  DECL_ACCESSORS(locale, String)
  DECL_ACCESSORS(break_iterator, Managed<icu::BreakIterator>)
  DECL_ACCESSORS(unicode_string, Managed<icu::UnicodeString>)
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  DECL_ACCESSORS(bound_adopt_text, Object)
  DECL_ACCESSORS(bound_first, Object)
  DECL_ACCESSORS(bound_next, Object)
  DECL_ACCESSORS(bound_current, Object)
  DECL_ACCESSORS(bound_break_type, Object)

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  // Layout description.
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  DEFINE_FIELD_OFFSET_CONSTANTS(JSObject::kHeaderSize,
                                TORQUE_GENERATED_JSV8BREAK_ITERATOR_FIELDS)
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 private:
  DECL_INT_ACCESSORS(raw_type)

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  OBJECT_CONSTRUCTORS(JSV8BreakIterator, JSObject);
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};

}  // namespace internal
}  // namespace v8

#include "src/objects/object-macros-undef.h"

#endif  // V8_OBJECTS_JS_BREAK_ITERATOR_H_