Merge branch 'master' into YearCalendar

Signed-off-by: Viktar Lukashonak <myxabeer@gmail.com>

include/util/date.hpp

@@ -0,0 +1,60 @@
+#pragma once
+
+#include <fmt/format.h>
+
+#if HAVE_CHRONO_TIMEZONES
+#include <chrono>
+#include <format>
+
+/* Compatibility layer for <date/tz.h> on top of C++20 <chrono> */
+namespace date {
+
+using namespace std::chrono;
+
+namespace literals {
+using std::chrono::last;
+}
+
+inline auto format(const std::string& spec, const auto& ztime) {
+  return spec.empty() ? "" : std::vformat("{:L" + spec + "}", std::make_format_args(ztime));
+}
+
+inline auto format(const std::locale& loc, const std::string& spec, const auto& ztime) {
+  return spec.empty() ? "" : std::vformat(loc, "{:L" + spec + "}", std::make_format_args(ztime));
+}
+
+}  // namespace date
+
+#else
+#include <date/tz.h>
+#endif
+
+template <typename Duration, typename TimeZonePtr>
+struct fmt::formatter<date::zoned_time<Duration, TimeZonePtr>> {
+  std::string_view specs;
+
+  template <typename ParseContext>
+  constexpr auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
+    auto it = ctx.begin();
+    if (it != ctx.end() && *it == ':') {
+      ++it;
+    }
+    auto end = it;
+    while (end != ctx.end() && *end != '}') {
+      ++end;
+    }
+    if (end != it) {
+      specs = {it, std::string_view::size_type(end - it)};
+    }
+    return end;
+  }
+
+  template <typename FormatContext>
+  auto format(const date::zoned_time<Duration, TimeZonePtr>& ztime, FormatContext& ctx) {
+    if (ctx.locale()) {
+      const auto loc = ctx.locale().template get<std::locale>();
+      return fmt::format_to(ctx.out(), "{}", date::format(loc, fmt::to_string(specs), ztime));
+    }
+    return fmt::format_to(ctx.out(), "{}", date::format(fmt::to_string(specs), ztime));
+  }
+};

include/util/format.hpp

@@ -66,9 +66,9 @@ struct formatter<pow_format> {
     std::string string;
     switch (spec) {
       case '>':
-        return format_to(ctx.out(), "{:>{}}", fmt::format("{}", s), max_width);
+        return fmt::format_to(ctx.out(), "{:>{}}", fmt::format("{}", s), max_width);
       case '<':
-        return format_to(ctx.out(), "{:<{}}", fmt::format("{}", s), max_width);
+        return fmt::format_to(ctx.out(), "{:<{}}", fmt::format("{}", s), max_width);
       case '=':
         format = "{coefficient:<{number_width}.1f}{padding}{prefix}{unit}";
         break;
@@ -77,8 +77,8 @@ struct formatter<pow_format> {
         format = "{coefficient:.1f}{prefix}{unit}";
         break;
     }
-    return format_to(
-        ctx.out(), format, fmt::arg("coefficient", fraction),
+    return fmt::format_to(
+        ctx.out(), fmt::runtime(format), fmt::arg("coefficient", fraction),
         fmt::arg("number_width", number_width),
         fmt::arg("prefix", std::string() + units[pow] + ((s.binary_ && pow) ? "i" : "")),
         fmt::arg("unit", s.unit_),

include/util/waybar_time.hpp

@@ -1,39 +0,0 @@
-#pragma once
-
-#include <date/tz.h>
-#include <fmt/format.h>
-
-namespace waybar {
-
-struct waybar_time {
-  std::locale locale;
-  date::zoned_seconds ztime;
-};
-
-}  // namespace waybar
-
-template <>
-struct fmt::formatter<waybar::waybar_time> {
-  std::string_view specs;
-
-  template <typename ParseContext>
-  constexpr auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
-    auto it = ctx.begin();
-    if (it != ctx.end() && *it == ':') {
-      ++it;
-    }
-    auto end = it;
-    while (end != ctx.end() && *end != '}') {
-      ++end;
-    }
-    if (end != it) {
-      specs = {it, std::string_view::size_type(end - it)};
-    }
-    return end;
-  }
-
-  template <typename FormatContext>
-  auto format(const waybar::waybar_time& t, FormatContext& ctx) {
-    return format_to(ctx.out(), "{}", date::format(t.locale, fmt::to_string(specs), t.ztime));
-  }
-};