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LibUnicode: Generate unique day period structures

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Timothy Flynn 2021-12-12 17:11:11 -05:00 • committed by Brian Gianforcaro
parent 7af1818e76
commit 265785e847
1 changed files with 54 additions and 12 deletions
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66
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 DayPeriodIndexType = u16;
constexpr auto s_day_period_index_type = "u16"sv;
struct CalendarPattern : public Unicode::CalendarPattern {
bool contains_only_date_fields() const
{
@ -408,15 +411,47 @@ struct AK::Traits<TimeZone> : public GenericTraits<TimeZone> {
};
struct DayPeriod {
unsigned hash() const
{
auto hash = int_hash(static_cast<u8>(day_period));
hash = pair_int_hash(hash, begin);
hash = pair_int_hash(hash, end);
return hash;
}
bool operator==(DayPeriod const& other) const
{
return (day_period == other.day_period)
&& (begin == other.begin)
&& (end == other.end);
}
Unicode::DayPeriod day_period {};
u8 begin { 0 };
u8 end { 0 };
};
template<>
struct AK::Formatter<DayPeriod> : Formatter<FormatString> {
ErrorOr<void> format(FormatBuilder& builder, DayPeriod const& day_period)
{
return Formatter<FormatString>::format(builder,
"{{ {}, {}, {} }}",
static_cast<u8>(day_period.day_period),
day_period.begin,
day_period.end);
}
};
template<>
struct AK::Traits<DayPeriod> : public GenericTraits<DayPeriod> {
static unsigned hash(DayPeriod const& d) { return d.hash(); }
};
struct Locale {
HashMap<String, CalendarIndexType> calendars;
HashMap<String, TimeZoneIndexType> time_zones;
Vector<DayPeriod> day_periods;
Vector<DayPeriodIndexType> day_periods;
};
struct UnicodeLocaleData {
@ -431,6 +466,7 @@ struct UnicodeLocaleData {
UniqueStorage<CalendarSymbolsList, CalendarSymbolsListIndexType> unique_calendar_symbols_lists;
UniqueStorage<Calendar, CalendarIndexType> unique_calendars;
UniqueStorage<TimeZone, TimeZoneIndexType> unique_time_zones;
UniqueStorage<DayPeriod, DayPeriodIndexType> unique_day_periods;
HashMap<String, Locale> locales;
@ -1376,8 +1412,10 @@ static ErrorOr<void> parse_day_periods(String core_path, UnicodeLocaleData& loca
return;
value.as_object().for_each_member([&](auto const& symbol, JsonValue const& ranges) {
if (auto day_period = parse_day_period(symbol, ranges.as_object()); day_period.has_value())
locale->value.day_periods.append(day_period.release_value());
if (auto day_period = parse_day_period(symbol, ranges.as_object()); day_period.has_value()) {
auto day_period_index = locale_data.unique_day_periods.ensure(day_period.release_value());
locale->value.day_periods.append(day_period_index);
}
});
});
@ -1503,6 +1541,7 @@ static void generate_unicode_locale_implementation(Core::File& file, UnicodeLoca
generator.set("calendar_symbols_list_index_type"sv, s_calendar_symbols_list_index_type);
generator.set("calendar_index_type"sv, s_calendar_index_type);
generator.set("time_zone_index_type"sv, s_time_zone_index_type);
generator.set("day_period_index_type"sv, s_day_period_index_type);
generator.append(R"~~~(
#include <AK/Array.h>
@ -1672,6 +1711,7 @@ 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_day_periods.generate(generator, "DayPeriodData"sv, "s_day_periods"sv, 30);
auto append_calendars = [&](String name, auto const& calendars) {
generator.set("name", name);
@ -1716,13 +1756,13 @@ static constexpr Array<@time_zone_index_type@, @size@> @name@ { {)~~~");
generator.set("size", String::number(day_periods.size()));
generator.append(R"~~~(
static constexpr Array<DayPeriodData, @size@> @name@ { {)~~~");
static constexpr Array<@day_period_index_type@, @size@> @name@ { {)~~~");
for (auto const& day_period : day_periods) {
generator.set("day_period", String::number(static_cast<u8>(day_period.day_period)));
generator.set("begin", String::number(day_period.begin));
generator.set("end", String::number(day_period.end));
generator.append(" { @day_period@, @begin@, @end@ },");
bool first = true;
for (auto day_period : day_periods) {
generator.append(first ? " " : ", ");
generator.append(String::number(day_period));
first = false;
}
generator.append(" } };");
@ -1747,7 +1787,7 @@ static constexpr Array<u8, @size@> @name@ { { )~~~");
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); });
generate_mapping(generator, locale_data.locales, "DayPeriodData"sv, "s_day_periods"sv, "s_day_periods_{}", [&](auto const& name, auto const& value) { append_day_periods(name, value.day_periods); });
generate_mapping(generator, locale_data.locales, s_day_period_index_type, "s_locale_day_periods"sv, "s_day_periods_{}", [&](auto const& name, auto const& value) { append_day_periods(name, value.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); });
auto append_from_string = [&](StringView enum_title, StringView enum_snake, auto const& values, Vector<Alias> const& aliases = {}) {
@ -1968,9 +2008,11 @@ Optional<StringView> get_calendar_day_period_symbol_for_hour(StringView locale,
return {};
auto locale_index = to_underlying(*locale_value) - 1; // Subtract 1 because 0 == Locale::None.
auto day_periods = s_day_periods[locale_index];
auto day_periods = s_locale_day_periods[locale_index];
for (auto day_period_index : day_periods) {
auto const& day_period = s_day_periods[day_period_index];
for (auto const& day_period : day_periods) {
if ((day_period.begin <= hour) && (hour < day_period.end)) {
auto period = static_cast<Unicode::DayPeriod>(day_period.day_period);
return Detail::get_calendar_day_period_symbol(locale, calendar, style, period);