time_of_day.hpp

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#pragma once
 
/// @file userver/formats/parse/time_of_day.hpp
/// @brief utils::datetime::TimeOfDay parser for any format
///
/// @ingroup userver_universal userver_formats_parse
 
#include <userver/utils/time_of_day.hpp>
 
#include <userver/formats/common/meta.hpp>
#include <userver/formats/parse/to.hpp>
 
USERVER_NAMESPACE_BEGIN
 
namespace formats::parse {
 
template <typename Value, typename Duration>
std::enable_if_t<common::kIsFormatValue<Value>,
                 utils::datetime::TimeOfDay<Duration>>
Parse(const Value& value, To<utils::datetime::TimeOfDay<Duration>>) {
  std::optional<std::string> str;
  try {
    str = value.template As<std::string>();
    return utils::datetime::TimeOfDay<Duration>{*str};
  } catch (const std::exception& e) {
    if (str) {
      throw typename Value::ParseException(
          "'" + *str + "' cannot be parsed to `utils::datetime::TimeOfDay`");
    } else {
      throw typename Value::ParseException(
          "Only strings can be parsed as `utils::datetime::TimeOfDay`");
    }
  }
}
 
}  // namespace formats::parse
 
USERVER_NAMESPACE_END