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ladybird/Libraries/LibJS/Runtime/Intl/RelativeTimeFormat.h
Timothy Flynn 62793b1bd8 LibJS: Define constructor slots for describing how to read options
This is an editorial change in the ECMA-402 spec. See:
a2beb66

We implement this change by introducing a virtual interface that all
Intl "service" objects must implement. A future patch will make use of
the virtualized RelevantExtensionKeys and ResolutionOptionDescriptors
accessors, and we will need to be able to use those slots from a generic
instance type.
2025-04-08 06:50:40 -04:00

62 lines
2.7 KiB
C++

/*
* Copyright (c) 2022-2025, Tim Flynn <trflynn89@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/String.h>
#include <AK/StringView.h>
#include <LibJS/Runtime/Completion.h>
#include <LibJS/Runtime/Intl/IntlObject.h>
#include <LibUnicode/Locale.h>
#include <LibUnicode/RelativeTimeFormat.h>
namespace JS::Intl {
class RelativeTimeFormat final : public IntlObject {
JS_OBJECT(RelativeTimeFormat, IntlObject);
GC_DECLARE_ALLOCATOR(RelativeTimeFormat);
public:
virtual ~RelativeTimeFormat() override = default;
virtual ReadonlySpan<StringView> relevant_extension_keys() const override;
virtual ReadonlySpan<ResolutionOptionDescriptor> resolution_option_descriptors(VM&) const override;
String const& locale() const { return m_locale; }
void set_locale(String locale) { m_locale = move(locale); }
String const& numbering_system() const { return m_numbering_system; }
void set_numbering_system(String numbering_system) { m_numbering_system = move(numbering_system); }
Unicode::Style style() const { return m_style; }
void set_style(StringView style) { m_style = Unicode::style_from_string(style); }
StringView style_string() const { return Unicode::style_to_string(m_style); }
Unicode::NumericDisplay numeric() const { return m_numeric; }
void set_numeric(StringView numeric) { m_numeric = Unicode::numeric_display_from_string(numeric); }
StringView numeric_string() const { return Unicode::numeric_display_to_string(m_numeric); }
Unicode::RelativeTimeFormat const& formatter() const { return *m_formatter; }
void set_formatter(NonnullOwnPtr<Unicode::RelativeTimeFormat> formatter) { m_formatter = move(formatter); }
private:
explicit RelativeTimeFormat(Object& prototype);
String m_locale; // [[Locale]]
String m_numbering_system; // [[NumberingSystem]]
Unicode::Style m_style { Unicode::Style::Long }; // [[Style]]
Unicode::NumericDisplay m_numeric { Unicode::NumericDisplay::Always }; // [[Numeric]]
// Non-standard. Stores the ICU relative-time formatter for the Intl object's formatting options.
OwnPtr<Unicode::RelativeTimeFormat> m_formatter;
};
ThrowCompletionOr<Unicode::TimeUnit> singular_relative_time_unit(VM&, StringView unit);
ThrowCompletionOr<Vector<Unicode::RelativeTimeFormat::Partition>> partition_relative_time_pattern(VM&, RelativeTimeFormat&, double value, StringView unit);
ThrowCompletionOr<String> format_relative_time(VM&, RelativeTimeFormat&, double value, StringView unit);
ThrowCompletionOr<GC::Ref<Array>> format_relative_time_to_parts(VM&, RelativeTimeFormat&, double value, StringView unit);
}