format.h

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// SPDX-License-Identifier: LGPL-2.1-or-later
 
#ifndef TASKOLIB_FORMAT_H_
#define TASKOLIB_FORMAT_H_
 
#include <fmt/format.h>
#include <sstream>
 
#include "taskolib/Message.h"
#include "taskolib/time_types.h"
#include "taskolib/Timeout.h"
 
using namespace std::literals;
 
template<> struct fmt::formatter<task::Message> {
    constexpr auto parse(format_parse_context& ctx) -> decltype(ctx.begin()) {
        return ctx.begin();
    }
    template <typename FormatContext>
    auto format(task::Message const& val, FormatContext& ctx) -> decltype(ctx.out()) {
        std::stringstream ss{ };
        ss << val;
        return format_to(ctx.out(), "{}", ss.str());
    }
};
 
template<> struct fmt::formatter<task::Timeout> {
    constexpr auto parse(format_parse_context& ctx) -> decltype(ctx.begin()) {
        return ctx.begin();
    }
    template <typename FormatContext>
    auto format(task::Timeout const& val, FormatContext& ctx) -> decltype(ctx.out()) {
        std::stringstream ss{ };
        ss << val;
        return format_to(ctx.out(), "{}", ss.str());
    }
};
 
template<> struct fmt::formatter<task::TimePoint> {
    constexpr auto parse(format_parse_context& ctx) -> decltype(ctx.begin()) {
        return ctx.begin();
    }
    template <typename FormatContext>
    auto format(task::TimePoint const& val, FormatContext& ctx) -> decltype(ctx.out()) {
        return format_to(ctx.out(), "{}", task::to_string(val));
    }
};
 
#endif