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c5138f0f2b
We had a hard-coded table of number system digits copied from ECMA-402. Turns out these digits are in the CLDR, so let's parse the digits from there instead of hard-coding them.
84 lines
2.1 KiB
C++
84 lines
2.1 KiB
C++
/*
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* Copyright (c) 2021, Tim Flynn <trflynn89@pm.me>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Optional.h>
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#include <AK/String.h>
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#include <AK/StringView.h>
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#include <AK/Vector.h>
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#include <LibUnicode/Forward.h>
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namespace Unicode {
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struct NumberGroupings {
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u8 primary_grouping_size { 0 };
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u8 secondary_grouping_size { 0 };
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};
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enum class StandardNumberFormatType : u8 {
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Decimal,
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Currency,
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Accounting,
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Percent,
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Scientific,
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};
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enum class CompactNumberFormatType : u8 {
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DecimalLong,
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DecimalShort,
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CurrencyUnit,
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CurrencyShort,
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};
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struct NumberFormat {
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enum class Plurality : u8 {
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Other,
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Zero,
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Single,
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One,
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Two,
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Few,
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Many,
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};
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u8 magnitude { 0 };
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u8 exponent { 0 };
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Plurality plurality { Plurality::Other };
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StringView zero_format {};
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StringView positive_format {};
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StringView negative_format {};
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Vector<StringView> identifiers {};
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};
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enum class NumericSymbol : u8 {
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Decimal,
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Exponential,
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Group,
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Infinity,
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MinusSign,
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NaN,
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PercentSign,
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PlusSign,
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};
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Optional<NumberSystem> number_system_from_string(StringView system);
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Optional<StringView> get_default_number_system(StringView locale);
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Optional<StringView> get_number_system_symbol(StringView locale, StringView system, NumericSymbol symbol);
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Optional<NumberGroupings> get_number_system_groupings(StringView locale, StringView system);
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Optional<Span<u32 const>> get_digits_for_number_system(StringView system);
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String replace_digits_for_number_system(StringView system, StringView number);
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Optional<NumberFormat> get_standard_number_system_format(StringView locale, StringView system, StandardNumberFormatType type);
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Vector<NumberFormat> get_compact_number_system_formats(StringView locale, StringView system, CompactNumberFormatType type);
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Vector<NumberFormat> get_unit_formats(StringView locale, StringView unit, Style style);
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Optional<NumberFormat> select_pattern_with_plurality(Vector<NumberFormat> const& formats, double number);
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Optional<String> augment_currency_format_pattern(StringView currency_display, StringView base_pattern);
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}
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