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LibUnicode: Generate unique lists of time zone structures

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Timothy Flynn 2021-12-12 18:21:01 -05:00 committed by Brian Gianforcaro
parent df33156462
commit 6f17696176
Notes: sideshowbarker 2024-07-17 22:48:38 +09:00 
Author: https://github.com/trflynn89
Commit: https://github.com/SerenityOS/serenity/commit/6f17696176e
Pull-request: https://github.com/SerenityOS/serenity/pull/11245
1 changed files with 26 additions and 27 deletions
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53
Meta/Lagom/Tools/CodeGenerators/LibUnicode/GenerateUnicodeDateTimeFormat.cpp
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@ -58,6 +58,9 @@ constexpr auto s_calendar_index_type = "u8"sv;
using TimeZoneIndexType = u16;
constexpr auto s_time_zone_index_type = "u16"sv;
using TimeZoneListIndexType = u8;
constexpr auto s_time_zone_list_index_type = "u8"sv;
using DayPeriodIndexType = u8;
constexpr auto s_day_period_index_type = "u8"sv;
@ -451,11 +454,12 @@ struct AK::Traits<DayPeriod> : public GenericTraits<DayPeriod> {
static unsigned hash(DayPeriod const& d) { return d.hash(); }
};
using TimeZoneList = Vector<TimeZoneIndexType>;
using DayPeriodList = Vector<DayPeriodIndexType>;
struct Locale {
HashMap<String, CalendarIndexType> calendars;
HashMap<String, TimeZoneIndexType> time_zones;
TimeZoneListIndexType time_zones { 0 };
DayPeriodListIndexType day_periods { 0 };
};
@ -471,6 +475,7 @@ struct UnicodeLocaleData {
UniqueStorage<CalendarSymbolsList, CalendarSymbolsListIndexType> unique_calendar_symbols_lists;
UniqueStorage<Calendar, CalendarIndexType> unique_calendars;
UniqueStorage<TimeZone, TimeZoneIndexType> unique_time_zones;
UniqueStorage<TimeZoneList, TimeZoneListIndexType> unique_time_zone_lists;
UniqueStorage<DayPeriod, DayPeriodIndexType> unique_day_periods;
UniqueStorage<DayPeriodList, DayPeriodListIndexType> unique_day_period_lists;
@ -480,7 +485,7 @@ struct UnicodeLocaleData {
Vector<String> hour_cycle_regions;
HashMap<String, StringIndexType> meta_zones;
Vector<String> time_zones;
Vector<String> time_zones { "UTC"sv };
Vector<String> calendars;
Vector<Alias> calendar_aliases {
@ -1346,6 +1351,8 @@ static ErrorOr<void> parse_time_zone_names(String locale_time_zone_names_path, U
return {};
};
TimeZoneList time_zones;
auto parse_time_zone = [&](StringView meta_zone, JsonObject const& meta_zone_object) {
auto golden_zone = locale_data.meta_zones.get(meta_zone).value();
TimeZone time_zone { .time_zone = golden_zone };
@ -1356,13 +1363,21 @@ static ErrorOr<void> parse_time_zone_names(String locale_time_zone_names_path, U
time_zone.short_name = short_name.value();
auto const& time_zone_name = locale_data.unique_strings.get(golden_zone);
auto time_zone_index = locale_data.time_zones.find_first_index(time_zone_name).value();
time_zones[time_zone_index] = locale_data.unique_time_zones.ensure(move(time_zone));
};
meta_zone_object.as_object().for_each_member([&](auto const& meta_zone, JsonValue const&) {
auto golden_zone = locale_data.meta_zones.get(meta_zone).value();
auto const& time_zone_name = locale_data.unique_strings.get(golden_zone);
if (!locale_data.time_zones.contains_slow(time_zone_name))
locale_data.time_zones.append(time_zone_name);
});
auto time_zone_index = locale_data.unique_time_zones.ensure(move(time_zone));
locale.time_zones.set(time_zone_name, time_zone_index);
};
time_zones.resize(locale_data.time_zones.size());
quick_sort(locale_data.time_zones);
meta_zone_object.as_object().for_each_member([&](auto const& meta_zone, JsonValue const& value) {
parse_time_zone(meta_zone, value.as_object());
@ -1374,6 +1389,7 @@ static ErrorOr<void> parse_time_zone_names(String locale_time_zone_names_path, U
auto const& utc_object = etc_object.as_object().get("UTC"sv);
parse_time_zone("UTC"sv, utc_object.as_object());
locale.time_zones = locale_data.unique_time_zone_lists.ensure(move(time_zones));
return {};
}
@ -1722,6 +1738,7 @@ struct DayPeriodData {
locale_data.unique_calendar_symbols_lists.generate(generator, s_calendar_symbols_index_type, "s_calendar_symbol_lists"sv);
locale_data.unique_calendars.generate(generator, "CalendarData"sv, "s_calendars"sv, 10);
locale_data.unique_time_zones.generate(generator, "TimeZoneData"sv, "s_time_zones"sv, 30);
locale_data.unique_time_zone_lists.generate(generator, s_time_zone_index_type, "s_time_zone_lists"sv);
locale_data.unique_day_periods.generate(generator, "DayPeriodData"sv, "s_day_periods"sv, 30);
locale_data.unique_day_period_lists.generate(generator, s_day_period_index_type, "s_day_period_lists"sv);
@ -1744,25 +1761,6 @@ static constexpr Array<@calendar_index_type@, @size@> @name@ { {)~~~");
generator.append(" } };");
};
auto append_time_zones = [&](String name, auto const& time_zones) {
generator.set("name", name);
generator.set("size", String::number(locale_data.time_zones.size()));
generator.append(R"~~~(
static constexpr Array<@time_zone_index_type@, @size@> @name@ { {)~~~");
bool first = true;
for (auto const& time_zone_key : locale_data.time_zones) {
auto time_zone = time_zones.get(time_zone_key).value_or(0);
generator.append(first ? " " : ", ");
generator.append(String::number(time_zone));
first = false;
}
generator.append(" } };");
};
auto append_mapping = [&](auto const& keys, auto const& map, auto type, auto name, auto mapping_getter) {
generator.set("type", type);
generator.set("name", name);
@ -1805,7 +1803,7 @@ static constexpr Array<u8, @size@> @name@ { { )~~~");
quick_sort(locales);
generate_mapping(generator, locale_data.locales, s_calendar_index_type, "s_locale_calendars"sv, "s_calendars_{}", [&](auto const& name, auto const& value) { append_calendars(name, value.calendars); });
generate_mapping(generator, locale_data.locales, s_time_zone_index_type, "s_locale_time_zones"sv, "s_time_zones_{}", [&](auto const& name, auto const& value) { append_time_zones(name, value.time_zones); });
append_mapping(locales, locale_data.locales, s_time_zone_index_type, "s_locale_time_zones"sv, [](auto const& locale) { return locale.time_zones; });
append_mapping(locales, locale_data.locales, s_day_period_index_type, "s_locale_day_periods"sv, [](auto const& locale) { return locale.day_periods; });
generate_mapping(generator, locale_data.hour_cycle_regions, "u8"sv, "s_hour_cycles"sv, "s_hour_cycles_{}", [&](auto const& name, auto const& value) { append_hour_cycles(name, value); });
@ -2060,9 +2058,10 @@ static TimeZoneData const* find_time_zone_data(StringView locale, StringView tim
auto locale_index = to_underlying(*locale_value) - 1; // Subtract 1 because 0 == Locale::None.
size_t time_zone_index = to_underlying(*time_zone_value);
auto const& time_zone_indices = s_locale_time_zones.at(locale_index);
time_zone_index = time_zone_indices.at(time_zone_index);
auto time_zone_list_index = s_locale_time_zones.at(locale_index);
auto const& time_zone_list = s_time_zone_lists.at(time_zone_list_index);
time_zone_index = time_zone_list.at(time_zone_index);
return &s_time_zones[time_zone_index];
}