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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_LIST_FORMAT_H_
#define V8_OBJECTS_JS_LIST_FORMAT_H_
#include <set>
#include <string>
#include "src/heap/factory.h"
#include "src/isolate.h"
#include "src/objects.h"
#include "src/objects/managed.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 ListFormatter;
}
namespace v8 {
namespace internal {
class JSListFormat : public JSObject {
public:
// Initializes relative time format object with properties derived from input
// locales and options.
static MaybeHandle<JSListFormat> Initialize(
Isolate* isolate, Handle<JSListFormat> list_format_holder,
Handle<Object> locales, Handle<Object> options);
static Handle<JSObject> ResolvedOptions(Isolate* isolate,
Handle<JSListFormat> format_holder);
// ecma402 #sec-formatlist
V8_WARN_UNUSED_RESULT static MaybeHandle<String> FormatList(
Isolate* isolate, Handle<JSListFormat> format_holder,
Handle<JSArray> list);
// ecma42 #sec-formatlisttoparts
V8_WARN_UNUSED_RESULT static MaybeHandle<JSArray> FormatListToParts(
Isolate* isolate, Handle<JSListFormat> format_holder,
Handle<JSArray> list);
static const std::set<std::string>& GetAvailableLocales();
Handle<String> StyleAsString() const;
Handle<String> TypeAsString() const;
DECL_CAST(JSListFormat)
// ListFormat accessors.
DECL_ACCESSORS(locale, String)
DECL_ACCESSORS(icu_formatter, Managed<icu::ListFormatter>)
// Style: identifying the relative time format style used.
//
// ecma402/#sec-properties-of-intl-listformat-instances
enum class Style {
LONG, // Everything spelled out.
SHORT, // Abbreviations used when possible.
NARROW, // Use the shortest possible form.
COUNT
};
inline void set_style(Style style);
inline Style style() const;
// Type: identifying the list of types used.
//
// ecma402/#sec-properties-of-intl-listformat-instances
enum class Type {
CONJUNCTION, // for "and"-based lists (e.g., "A, B and C")
DISJUNCTION, // for "or"-based lists (e.g., "A, B or C"),
UNIT, // for lists of values with units (e.g., "5 pounds, 12 ounces").
COUNT
};
inline void set_type(Type type);
inline Type type() const;
// Bit positions in |flags|.
#define FLAGS_BIT_FIELDS(V, _) \
V(StyleBits, Style, 2, _) \
V(TypeBits, Type, 2, _)
DEFINE_BIT_FIELDS(FLAGS_BIT_FIELDS)
#undef FLAGS_BIT_FIELDS
STATIC_ASSERT(Style::LONG <= StyleBits::kMax);
STATIC_ASSERT(Style::SHORT <= StyleBits::kMax);
STATIC_ASSERT(Style::NARROW <= StyleBits::kMax);
STATIC_ASSERT(Type::CONJUNCTION <= TypeBits::kMax);
STATIC_ASSERT(Type::DISJUNCTION <= TypeBits::kMax);
STATIC_ASSERT(Type::UNIT <= TypeBits::kMax);
// [flags] Bit field containing various flags about the function.
DECL_INT_ACCESSORS(flags)
DECL_PRINTER(JSListFormat)
DECL_VERIFIER(JSListFormat)
// Layout description.
#define JS_LIST_FORMAT_FIELDS(V) \
V(kJSListFormatOffset, kTaggedSize) \
V(kLocaleOffset, kTaggedSize) \
V(kICUFormatterOffset, kTaggedSize) \
V(kFlagsOffset, kTaggedSize) \
/* Header size. */ \
V(kSize, 0)
DEFINE_FIELD_OFFSET_CONSTANTS(JSObject::kHeaderSize, JS_LIST_FORMAT_FIELDS)
#undef JS_LIST_FORMAT_FIELDS
OBJECT_CONSTRUCTORS(JSListFormat, JSObject);
};
} // namespace internal
} // namespace v8
#include "src/objects/object-macros-undef.h"
#endif // V8_OBJECTS_JS_LIST_FORMAT_H_
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