| // 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_NUMBER_FORMAT_H_ |
| #define V8_OBJECTS_JS_NUMBER_FORMAT_H_ |
| |
| #include "src/heap/factory.h" |
| #include "src/isolate.h" |
| #include "src/objects.h" |
| #include "src/objects/intl-objects.h" |
| #include "src/objects/managed.h" |
| |
| // Has to be the last include (doesn't have include guards): |
| #include "src/objects/object-macros.h" |
| |
| namespace U_ICU_NAMESPACE { |
| class NumberFormat; |
| } // namespace U_ICU_NAMESPACE |
| |
| namespace v8 { |
| namespace internal { |
| |
| class JSNumberFormat : public JSObject { |
| public: |
| // ecma402/#sec-initializenumberformat |
| V8_WARN_UNUSED_RESULT static MaybeHandle<JSNumberFormat> Initialize( |
| Isolate* isolate, Handle<JSNumberFormat> number_format, |
| Handle<Object> locales, Handle<Object> options); |
| |
| // ecma402/#sec-unwrapnumberformat |
| V8_WARN_UNUSED_RESULT static MaybeHandle<JSNumberFormat> UnwrapNumberFormat( |
| Isolate* isolate, Handle<JSReceiver> format_holder); |
| |
| // ecma402/#sec-intl.numberformat.prototype.resolvedoptions |
| static Handle<JSObject> ResolvedOptions(Isolate* isolate, |
| Handle<JSNumberFormat> number_format); |
| |
| V8_WARN_UNUSED_RESULT static MaybeHandle<JSArray> FormatToParts( |
| Isolate* isolate, Handle<JSNumberFormat> number_format, double number); |
| |
| V8_WARN_UNUSED_RESULT static MaybeHandle<String> FormatNumber( |
| Isolate* isolate, Handle<JSNumberFormat> number_format, double number); |
| |
| // Unpacks format object from corresponding JavaScript object. |
| static icu::NumberFormat* UnpackIcuNumberFormat( |
| Isolate* isolate, Handle<JSNumberFormat> number_format_holder); |
| |
| Handle<String> StyleAsString() const; |
| Handle<String> CurrencyDisplayAsString() const; |
| |
| DECL_CAST(JSNumberFormat) |
| DECL_PRINTER(JSNumberFormat) |
| DECL_VERIFIER(JSNumberFormat) |
| |
| // [[Style]] is one of the values "decimal", "percent" or "currency", |
| // identifying the style of the number format. |
| enum class Style { |
| DECIMAL, |
| PERCENT, |
| CURRENCY, |
| |
| COUNT |
| }; |
| inline void set_style(Style style); |
| inline Style style() const; |
| |
| // [[CurrencyDisplay]] is one of the values "code", "symbol" or "name", |
| // identifying the display of the currency number format. |
| enum class CurrencyDisplay { |
| CODE, |
| SYMBOL, |
| NAME, |
| |
| COUNT |
| }; |
| inline void set_currency_display(CurrencyDisplay currency_display); |
| inline CurrencyDisplay currency_display() const; |
| |
| // Layout description. |
| #define JS_NUMBER_FORMAT_FIELDS(V) \ |
| V(kLocaleOffset, kPointerSize) \ |
| V(kIcuNumberFormatOffset, kPointerSize) \ |
| V(kBoundFormatOffset, kPointerSize) \ |
| V(kFlagsOffset, kPointerSize) \ |
| /* Total size. */ \ |
| V(kSize, 0) |
| |
| DEFINE_FIELD_OFFSET_CONSTANTS(JSObject::kHeaderSize, JS_NUMBER_FORMAT_FIELDS) |
| #undef JS_NUMBER_FORMAT_FIELDS |
| |
| // Bit positions in |flags|. |
| #define FLAGS_BIT_FIELDS(V, _) \ |
| V(StyleBits, Style, 2, _) \ |
| V(CurrencyDisplayBits, CurrencyDisplay, 2, _) |
| |
| DEFINE_BIT_FIELDS(FLAGS_BIT_FIELDS) |
| #undef FLAGS_BIT_FIELDS |
| |
| STATIC_ASSERT(Style::DECIMAL <= StyleBits::kMax); |
| STATIC_ASSERT(Style::PERCENT <= StyleBits::kMax); |
| STATIC_ASSERT(Style::CURRENCY <= StyleBits::kMax); |
| |
| STATIC_ASSERT(CurrencyDisplay::CODE <= CurrencyDisplayBits::kMax); |
| STATIC_ASSERT(CurrencyDisplay::SYMBOL <= CurrencyDisplayBits::kMax); |
| STATIC_ASSERT(CurrencyDisplay::NAME <= CurrencyDisplayBits::kMax); |
| |
| DECL_ACCESSORS(locale, String) |
| DECL_ACCESSORS(icu_number_format, Managed<icu::NumberFormat>) |
| DECL_ACCESSORS(bound_format, Object) |
| DECL_INT_ACCESSORS(flags) |
| |
| private: |
| DISALLOW_IMPLICIT_CONSTRUCTORS(JSNumberFormat); |
| }; |
| |
| struct NumberFormatSpan { |
| int32_t field_id; |
| int32_t begin_pos; |
| int32_t end_pos; |
| |
| NumberFormatSpan() {} |
| NumberFormatSpan(int32_t field_id, int32_t begin_pos, int32_t end_pos) |
| : field_id(field_id), begin_pos(begin_pos), end_pos(end_pos) {} |
| }; |
| |
| std::vector<NumberFormatSpan> FlattenRegionsToParts( |
| std::vector<NumberFormatSpan>* regions); |
| |
| } // namespace internal |
| } // namespace v8 |
| |
| #include "src/objects/object-macros-undef.h" |
| |
| #endif // V8_OBJECTS_JS_NUMBER_FORMAT_H_ |