refactor(clock): remove struct waybar_time
The structure was used to pass the locale instance to the date formatter. All the supported versions of `fmt` are passing the locale parameter via `FormatContext.locale()` so we can remove the struct and simplify the code. While we at it, drop `date::make_zoned` in favor of CTAD on a `date::zoned_time` constructor.
This commit is contained in:
Aleksei Bavshin
parent
ba498869c5
commit
67efe1af89
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@ -5,11 +5,7 @@
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#include "ALabel.hpp"
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#include "util/sleeper_thread.hpp"
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namespace waybar {
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struct waybar_time;
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namespace modules {
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namespace waybar::modules {
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const std::string kCalendarPlaceholder = "calendar";
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const std::string KTimezonedTimeListPlaceholder = "timezoned_time_list";
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@ -36,12 +32,11 @@ class Clock : public ALabel {
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std::string fmt_str_weeks_;
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std::string fmt_str_calendar_;
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int fmt_weeks_left_pad_{0};
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auto calendar_text(const waybar_time& wtime) -> std::string;
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auto calendar_text(const date::zoned_seconds& ztime) -> std::string;
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auto weekdays_header(const date::weekday& first_dow, std::ostream& os) -> void;
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auto first_day_of_week() -> date::weekday;
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const date::time_zone* current_timezone();
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bool is_timezone_fixed();
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auto timezones_text(std::chrono::system_clock::time_point* now) -> std::string;
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};
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} // namespace modules
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} // namespace waybar
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} // namespace waybar::modules
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@ -3,17 +3,8 @@
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#include <date/tz.h>
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#include <fmt/format.h>
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namespace waybar {
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struct waybar_time {
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std::locale locale;
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date::zoned_seconds ztime;
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};
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} // namespace waybar
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template <>
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struct fmt::formatter<waybar::waybar_time> {
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template <typename Duration, typename TimeZonePtr>
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struct fmt::formatter<date::zoned_time<Duration, TimeZonePtr>> {
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std::string_view specs;
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template <typename ParseContext>
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@ -33,7 +24,11 @@ struct fmt::formatter<waybar::waybar_time> {
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}
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template <typename FormatContext>
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auto format(const waybar::waybar_time& t, FormatContext& ctx) {
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return format_to(ctx.out(), "{}", date::format(t.locale, fmt::to_string(specs), t.ztime));
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auto format(const date::zoned_time<Duration, TimeZonePtr>& ztime, FormatContext& ctx) {
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if (ctx.locale()) {
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const auto loc = ctx.locale().template get<std::locale>();
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return fmt::format_to(ctx.out(), "{}", date::format(loc, fmt::to_string(specs), ztime));
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}
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return fmt::format_to(ctx.out(), "{}", date::format(fmt::to_string(specs), ztime));
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}
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};
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@ -9,15 +9,13 @@
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#include <sstream>
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#include <type_traits>
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#include "util/date.hpp"
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#include "util/ustring_clen.hpp"
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#include "util/waybar_time.hpp"
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#ifdef HAVE_LANGINFO_1STDAY
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#include <langinfo.h>
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#include <locale.h>
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#endif
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using waybar::waybar_time;
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waybar::modules::Clock::Clock(const std::string& id, const Json::Value& config)
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: ALabel(config, "clock", id, "{:%H:%M}", 60, false, false, true),
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current_time_zone_idx_(0),
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@ -110,15 +108,13 @@ bool waybar::modules::Clock::is_timezone_fixed() {
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}
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auto waybar::modules::Clock::update() -> void {
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auto time_zone = current_timezone();
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const auto* time_zone = current_timezone();
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auto now = std::chrono::system_clock::now();
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waybar_time wtime = {locale_,
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date::make_zoned(time_zone, date::floor<std::chrono::seconds>(now))};
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auto ztime = date::zoned_time{time_zone, date::floor<std::chrono::seconds>(now)};
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auto shifted_date = date::year_month_day{date::floor<date::days>(now)} + calendar_shift_;
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auto now_shifted = date::sys_days{shifted_date} + (now - date::floor<date::days>(now));
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waybar_time shifted_wtime = {
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locale_, date::make_zoned(time_zone, date::floor<std::chrono::seconds>(now_shifted))};
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auto shifted_ztime = date::zoned_time{time_zone, date::floor<std::chrono::seconds>(now_shifted)};
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std::string text = "";
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if (!is_timezone_fixed()) {
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@ -127,7 +123,7 @@ auto waybar::modules::Clock::update() -> void {
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auto localtime = fmt::localtime(std::chrono::system_clock::to_time_t(now));
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text = fmt::format(locale_, format_, localtime);
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} else {
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text = fmt::format(format_, wtime);
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text = fmt::format(locale_, format_, ztime);
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}
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label_.set_markup(text);
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@ -136,13 +132,13 @@ auto waybar::modules::Clock::update() -> void {
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std::string calendar_lines{""};
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std::string timezoned_time_lines{""};
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if (is_calendar_in_tooltip_) {
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calendar_lines = calendar_text(shifted_wtime);
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calendar_lines = calendar_text(shifted_ztime);
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}
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if (is_timezoned_list_in_tooltip_) {
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timezoned_time_lines = timezones_text(&now);
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}
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auto tooltip_format = config_["tooltip-format"].asString();
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text = fmt::format(tooltip_format, shifted_wtime,
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text = fmt::format(locale_, tooltip_format, shifted_ztime,
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fmt::arg(kCalendarPlaceholder.c_str(), calendar_lines),
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fmt::arg(KTimezonedTimeListPlaceholder.c_str(), timezoned_time_lines));
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label_.set_tooltip_markup(text);
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@ -190,8 +186,8 @@ bool waybar::modules::Clock::handleScroll(GdkEventScroll* e) {
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return true;
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}
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auto waybar::modules::Clock::calendar_text(const waybar_time& wtime) -> std::string {
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const auto daypoint = date::floor<date::days>(wtime.ztime.get_local_time());
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auto waybar::modules::Clock::calendar_text(const date::zoned_seconds& ztime) -> std::string {
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const auto daypoint = date::floor<date::days>(ztime.get_local_time());
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const auto ymd{date::year_month_day{daypoint}};
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if (calendar_cached_ymd_ == ymd) {
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@ -318,7 +314,6 @@ auto waybar::modules::Clock::timezones_text(std::chrono::system_clock::time_poin
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return "";
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}
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std::stringstream os;
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waybar_time wtime;
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for (size_t time_zone_idx = 0; time_zone_idx < time_zones_.size(); ++time_zone_idx) {
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if (static_cast<int>(time_zone_idx) == current_time_zone_idx_) {
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continue;
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@ -327,8 +322,8 @@ auto waybar::modules::Clock::timezones_text(std::chrono::system_clock::time_poin
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if (!timezone) {
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timezone = date::current_zone();
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}
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wtime = {locale_, date::make_zoned(timezone, date::floor<std::chrono::seconds>(*now))};
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os << fmt::format(format_, wtime) << '\n';
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auto ztime = date::zoned_time{timezone, date::floor<std::chrono::seconds>(*now)};
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os << fmt::format(locale_, format_, ztime) << '\n';
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}
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return os.str();
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}
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@ -0,0 +1,94 @@
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#include "util/date.hpp"
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#if __has_include(<catch2/catch_test_macros.hpp>)
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#include <catch2/catch_test_macros.hpp>
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#include <catch2/matchers/catch_matchers_all.hpp>
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#else
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#include <catch2/catch.hpp>
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#endif
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#include <chrono>
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#include <stdexcept>
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using namespace std::literals::chrono_literals;
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/*
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* Check that the date/time formatter with locale and timezone support is working as expected.
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*/
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const date::zoned_time<std::chrono::seconds> TEST_TIME = date::zoned_time{
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"UTC", date::local_days{date::Monday[1] / date::January / 2022} + 13h + 4min + 5s};
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TEST_CASE("Format UTC time", "[clock][util]") {
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const auto loc = std::locale("C");
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const auto tm = TEST_TIME;
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REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
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REQUIRE(fmt::format(loc, "{:%c %Z}", tm) == "Mon Jan 3 13:04:05 2022 UTC");
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REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
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/* Test a few locales that are most likely to be present */
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SECTION("US locale") {
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try {
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const auto loc = std::locale("en_US");
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REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
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REQUIRE_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
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Catch::Matchers::StartsWith("Mon 03 Jan 2022 01:04:05 PM"));
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REQUIRE(fmt::format(loc, "{:%x %X}", tm) == "01/03/2022 01:04:05 PM");
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REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
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} catch (const std::runtime_error&) {
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// locale not found; ignore
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}
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}
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SECTION("GB locale") {
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try {
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const auto loc = std::locale("en_GB");
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REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
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REQUIRE_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
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Catch::Matchers::StartsWith("Mon 03 Jan 2022 13:04:05"));
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REQUIRE(fmt::format(loc, "{:%x %X}", tm) == "03/01/22 13:04:05");
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REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
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} catch (const std::runtime_error&) {
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// locale not found; ignore
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}
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}
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}
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TEST_CASE("Format zoned time", "[clock][util]") {
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const auto loc = std::locale("C");
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const auto tm = date::zoned_time{"America/New_York", TEST_TIME};
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REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
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REQUIRE(fmt::format(loc, "{:%c %Z}", tm) == "Mon Jan 3 08:04:05 2022 EST");
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REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
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/* Test a few locales that are most likely to be present */
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SECTION("US locale") {
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try {
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const auto loc = std::locale("en_US");
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REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
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REQUIRE_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
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Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05 AM"));
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REQUIRE(fmt::format(loc, "{:%x %X}", tm) == "01/03/2022 08:04:05 AM");
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REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
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} catch (const std::runtime_error&) {
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// locale not found; ignore
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}
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}
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SECTION("GB locale") {
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try {
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const auto loc = std::locale("en_GB");
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REQUIRE(fmt::format(loc, "{}", tm).empty()); // no format specified
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REQUIRE_THAT(fmt::format(loc, "{:%c}", tm), // HowardHinnant/date#704
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Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05"));
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REQUIRE(fmt::format(loc, "{:%x %X}", tm) == "03/01/22 08:04:05");
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REQUIRE(fmt::format(loc, "{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
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} catch (const std::runtime_error&) {
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// locale not found; ignore
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}
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}
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}
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@ -15,7 +15,7 @@ test_src = files(
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if tz_dep.found()
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test_dep += tz_dep
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test_src += files('waybar_time.cpp')
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test_src += files('date.cpp')
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endif
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waybar_test = executable(
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@ -1,95 +0,0 @@
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#include "util/waybar_time.hpp"
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#include <date/date.h>
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#include <date/tz.h>
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#if __has_include(<catch2/catch_test_macros.hpp>)
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#include <catch2/catch_test_macros.hpp>
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#include <catch2/matchers/catch_matchers_all.hpp>
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#else
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#include <catch2/catch.hpp>
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#endif
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#include <chrono>
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#include <stdexcept>
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using namespace std::literals::chrono_literals;
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/*
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* Check that the date/time formatter with locale and timezone support is working as expected.
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*/
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const date::zoned_time<std::chrono::seconds> TEST_TIME = date::make_zoned(
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"UTC", date::local_days{date::Monday[1] / date::January / 2022} + 13h + 4min + 5s);
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TEST_CASE("Format UTC time", "[clock][util]") {
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waybar::waybar_time tm{std::locale("C"), TEST_TIME};
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REQUIRE(fmt::format("{}", tm).empty()); // no format specified
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REQUIRE(fmt::format("{:%c %Z}", tm) == "Mon Jan 3 13:04:05 2022 UTC");
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REQUIRE(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
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/* Test a few locales that are most likely to be present */
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SECTION("US locale") {
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try {
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tm.locale = std::locale("en_US");
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REQUIRE(fmt::format("{}", tm).empty()); // no format specified
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REQUIRE_THAT(fmt::format("{:%c}", tm), // HowardHinnant/date#704
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Catch::Matchers::StartsWith("Mon 03 Jan 2022 01:04:05 PM"));
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REQUIRE(fmt::format("{:%x %X}", tm) == "01/03/2022 01:04:05 PM");
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REQUIRE(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
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} catch (const std::runtime_error&) {
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// locale not found; ignore
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}
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}
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SECTION("GB locale") {
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try {
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tm.locale = std::locale("en_GB");
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REQUIRE(fmt::format("{}", tm).empty()); // no format specified
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REQUIRE_THAT(fmt::format("{:%c}", tm), // HowardHinnant/date#704
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Catch::Matchers::StartsWith("Mon 03 Jan 2022 13:04:05"));
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REQUIRE(fmt::format("{:%x %X}", tm) == "03/01/22 13:04:05");
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REQUIRE(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103130405");
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} catch (const std::runtime_error&) {
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// locale not found; ignore
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}
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}
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}
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TEST_CASE("Format zoned time", "[clock][util]") {
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waybar::waybar_time tm{std::locale("C"), date::make_zoned("America/New_York", TEST_TIME)};
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REQUIRE(fmt::format("{}", tm).empty()); // no format specified
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REQUIRE(fmt::format("{:%c %Z}", tm) == "Mon Jan 3 08:04:05 2022 EST");
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REQUIRE(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
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/* Test a few locales that are most likely to be present */
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SECTION("US locale") {
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try {
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tm.locale = std::locale("en_US");
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REQUIRE(fmt::format("{}", tm).empty()); // no format specified
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REQUIRE_THAT(fmt::format("{:%c}", tm), // HowardHinnant/date#704
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Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05 AM"));
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REQUIRE(fmt::format("{:%x %X}", tm) == "01/03/2022 08:04:05 AM");
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REQUIRE(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
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} catch (const std::runtime_error&) {
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// locale not found; ignore
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}
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}
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SECTION("GB locale") {
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try {
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tm.locale = std::locale("en_GB");
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REQUIRE(fmt::format("{}", tm).empty()); // no format specified
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REQUIRE_THAT(fmt::format("{:%c}", tm), // HowardHinnant/date#704
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Catch::Matchers::StartsWith("Mon 03 Jan 2022 08:04:05"));
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REQUIRE(fmt::format("{:%x %X}", tm) == "03/01/22 08:04:05");
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REQUIRE(fmt::format("{arg:%Y%m%d%H%M%S}", fmt::arg("arg", tm)) == "20220103080405");
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} catch (const std::runtime_error&) {
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// locale not found; ignore
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}
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}
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}
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