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LibLocale was split off from LibUnicode a couple years ago to reduce the number of applications on SerenityOS that depend on CLDR data. Now that we use ICU, both LibUnicode and LibLocale are actually linking in this data. And since vcpkg gives us static libraries, both libraries are over 30MB in size. This patch reverts the separation and merges LibLocale into LibUnicode again. We now have just one library that includes the ICU data. Further, this will let LibUnicode share the locale cache that previously would only exist in LibLocale.
89 lines
2.7 KiB
C++
89 lines
2.7 KiB
C++
/*
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* Copyright (c) 2024, Tim Flynn <trflynn89@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#define AK_DONT_REPLACE_STD
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#include <AK/Array.h>
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#include <AK/CharacterTypes.h>
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#include <AK/GenericLexer.h>
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#include <LibUnicode/DurationFormat.h>
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#include <LibUnicode/ICU.h>
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#include <LibUnicode/NumberFormat.h>
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#include <unicode/measfmt.h>
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#include <unicode/measunit.h>
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#include <unicode/measure.h>
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namespace Unicode {
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static constexpr bool is_not_ascii_digit(u32 code_point)
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{
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return !is_ascii_digit(code_point);
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}
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DigitalFormat digital_format(StringView locale)
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{
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UErrorCode status = U_ZERO_ERROR;
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auto locale_data = LocaleData::for_locale(locale);
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if (!locale_data.has_value())
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return {};
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if (auto const& digital_format = locale_data->digital_format(); digital_format.has_value())
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return *digital_format;
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RoundingOptions rounding_options;
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rounding_options.type = RoundingType::SignificantDigits;
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rounding_options.min_significant_digits = 1;
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rounding_options.max_significant_digits = 2;
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auto number_formatter = NumberFormat::create(locale, "latn"sv, {}, rounding_options);
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auto icu_locale = adopt_own(*locale_data->locale().clone());
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icu_locale->setUnicodeKeywordValue("nu", "latn", status);
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if (icu_failure(status))
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return {};
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icu::MeasureFormat measurement_formatter(*icu_locale, UMEASFMT_WIDTH_NUMERIC, status);
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if (icu_failure(status))
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return {};
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auto measures = to_array<icu::Measure>({
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{ 1, icu::MeasureUnit::createHour(status), status },
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{ 22, icu::MeasureUnit::createMinute(status), status },
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{ 33, icu::MeasureUnit::createSecond(status), status },
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});
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if (icu_failure(status))
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return {};
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icu::UnicodeString formatted;
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icu::FieldPosition position;
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measurement_formatter.formatMeasures(measures.data(), static_cast<i32>(measures.size()), formatted, position, status);
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if (icu_failure(status))
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return {};
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auto hours_minutes_seconds = icu_string_to_string(formatted);
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GenericLexer lexer { hours_minutes_seconds };
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DigitalFormat digital_format;
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auto hours = lexer.consume_while(is_ascii_digit);
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digital_format.uses_two_digit_hours = hours.length() == 2;
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auto hours_minutes_separator = lexer.consume_while(is_not_ascii_digit);
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digital_format.hours_minutes_separator = MUST(String::from_utf8(hours_minutes_separator));
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lexer.ignore_while(is_ascii_digit);
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auto minutes_seconds_separator = lexer.consume_while(is_not_ascii_digit);
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digital_format.minutes_seconds_separator = MUST(String::from_utf8(minutes_seconds_separator));
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locale_data->set_digital_format(move(digital_format));
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return *locale_data->digital_format();
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}
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}
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