ladybird/Userland/Libraries/LibJS/Runtime/Intl/RelativeTimeFormat.h

91 lines
3.4 KiB
C++

/*
* Copyright (c) 2022, Tim Flynn <trflynn89@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Array.h>
#include <AK/String.h>
#include <AK/StringView.h>
#include <LibJS/Runtime/Completion.h>
#include <LibJS/Runtime/Intl/AbstractOperations.h>
#include <LibJS/Runtime/Object.h>
#include <LibLocale/Locale.h>
#include <LibLocale/RelativeTimeFormat.h>
namespace JS::Intl {
class RelativeTimeFormat final : public Object {
JS_OBJECT(RelativeTimeFormat, Object);
public:
enum class Numeric {
Always,
Auto,
};
static constexpr auto relevant_extension_keys()
{
// 17.2.3 Internal slots, https://tc39.es/ecma402/#sec-Intl.RelativeTimeFormat-internal-slots
// The value of the [[RelevantExtensionKeys]] internal slot is « "nu" ».
return AK::Array { "nu"sv };
}
virtual ~RelativeTimeFormat() override = default;
String const& locale() const { return m_locale; }
void set_locale(String locale) { m_locale = move(locale); }
String const& data_locale() const { return m_data_locale; }
void set_data_locale(String data_locale) { m_data_locale = move(data_locale); }
String const& numbering_system() const { return m_numbering_system; }
void set_numbering_system(String numbering_system) { m_numbering_system = move(numbering_system); }
::Locale::Style style() const { return m_style; }
void set_style(StringView style) { m_style = ::Locale::style_from_string(style); }
StringView style_string() const { return ::Locale::style_to_string(m_style); }
Numeric numeric() const { return m_numeric; }
void set_numeric(StringView numeric);
StringView numeric_string() const;
NumberFormat& number_format() const { return *m_number_format; }
void set_number_format(NumberFormat* number_format) { m_number_format = number_format; }
PluralRules& plural_rules() const { return *m_plural_rules; }
void set_plural_rules(PluralRules* plural_rules) { m_plural_rules = plural_rules; }
private:
explicit RelativeTimeFormat(Object& prototype);
virtual void visit_edges(Cell::Visitor&) override;
String m_locale; // [[Locale]]
String m_data_locale; // [[DataLocale]]
String m_numbering_system; // [[NumberingSystem]]
::Locale::Style m_style { ::Locale::Style::Long }; // [[Style]]
Numeric m_numeric { Numeric::Always }; // [[Numeric]]
GCPtr<NumberFormat> m_number_format; // [[NumberFormat]]
GCPtr<PluralRules> m_plural_rules; // [[PluralRules]]
};
struct PatternPartitionWithUnit : public PatternPartition {
PatternPartitionWithUnit(StringView type, String value, StringView unit_string = {})
: PatternPartition(type, move(value))
, unit(unit_string)
{
}
StringView unit;
};
ThrowCompletionOr<::Locale::TimeUnit> singular_relative_time_unit(VM&, StringView unit);
ThrowCompletionOr<Vector<PatternPartitionWithUnit>> partition_relative_time_pattern(VM&, RelativeTimeFormat&, double value, StringView unit);
ThrowCompletionOr<Vector<PatternPartitionWithUnit>> make_parts_list(VM&, StringView pattern, StringView unit, Vector<PatternPartition> parts);
ThrowCompletionOr<String> format_relative_time(VM&, RelativeTimeFormat&, double value, StringView unit);
ThrowCompletionOr<Array*> format_relative_time_to_parts(VM&, RelativeTimeFormat&, double value, StringView unit);
}