152 lines
4.4 KiB
C++
152 lines
4.4 KiB
C++
#pragma once
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#include <format>
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#include <ios>
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#include <string_view>
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namespace journal {
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namespace detail {
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struct source_location {
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_NODISCARD static constexpr source_location
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current(const uint_least32_t _Line_ = __builtin_LINE(),
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const uint_least32_t _Column_ = __builtin_COLUMN(),
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const char *const _File_ = __builtin_FILE(),
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const char *const _Function_ = __builtin_FUNCTION()) noexcept {
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source_location _Result;
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_Result._Line = _Line_;
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_Result._Column = _Column_;
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_Result._File = _File_;
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_Result._Function = _Function_;
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return _Result;
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}
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_NODISCARD_CTOR constexpr source_location() noexcept = default;
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_NODISCARD constexpr uint_least32_t line() const noexcept { return _Line; }
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_NODISCARD constexpr uint_least32_t column() const noexcept {
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return _Column;
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}
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_NODISCARD constexpr const char *file_name() const noexcept { return _File; }
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_NODISCARD constexpr const char *function_name() const noexcept {
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return _Function;
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}
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private:
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uint_least32_t _Line{};
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uint_least32_t _Column{};
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const char *_File = "";
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const char *_Function = "";
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};
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enum LogVerbosity {
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Trace,
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Debug,
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Info,
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Warn,
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Error,
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};
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constexpr auto to_string(const LogVerbosity& verbosity) -> std::string;
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template <typename... Args>
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inline constexpr auto log(const LogVerbosity &verbosity, std::string_view fmt,
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Args... args, const detail::source_location source)
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-> void {
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const auto msg = std::vformat(fmt, std::make_format_args(args...));
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log_internal(verbosity, source, msg);
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}
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auto log_internal(const LogVerbosity &verbosity,
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const detail::source_location source, const std::string &msg)
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-> void;
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} // namespace detail
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using detail::LogVerbosity;
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auto init_std_out(const LogVerbosity &min = LogVerbosity::Info) -> void;
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auto init_std_out_err(const LogVerbosity &min = LogVerbosity::Info) -> void;
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auto init() -> void;
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auto add_file(std::string_view file_path,
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std::ios_base::openmode = std::ios_base::ate,
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const LogVerbosity &min = LogVerbosity::Info,
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const LogVerbosity &max = LogVerbosity::Error) -> void;
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auto add_sink(std::shared_ptr<std::ostream> stream,
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const LogVerbosity &min = LogVerbosity::Info,
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const LogVerbosity &max = LogVerbosity::Error) -> void;
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#ifdef JOURNAL_ALL
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#define JOURNAL_TRACE
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#define JOURNAL_DEBUG
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#define JOURNAL_INFO
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#define JOURNAL_WARN
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#define JOURNAL_ERROR
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#endif
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#ifdef JOURNAL_TRACE
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template <typename... Args>
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inline constexpr auto
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trace(std::string_view fmt, Args... args,
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const detail::source_location source = detail::source_location::current())
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-> void {
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detail::log(detail::LogVerbosity::Trace, fmt, args..., source);
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}
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#else
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template <typename... Args>
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inline constexpr auto trace(std::string_view fmt, Args... args) -> void {}
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#endif
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#ifdef JOURNAL_DEBUG
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template <typename... Args>
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inline constexpr auto
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debug(std::string_view fmt, Args... args,
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const detail::source_location source = detail::source_location::current())
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-> void {
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detail::log(detail::LogVerbosity::Debug, fmt, args..., source);
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}
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#else
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template <typename... Args>
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inline constexpr auto debug(std::string_view fmt, Args... args) -> void {}
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#endif
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#ifdef JOURNAL_INFO
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template <typename... Args>
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inline constexpr auto
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info(std::string_view fmt, Args... args,
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const detail::source_location source = detail::source_location::current())
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-> void {
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detail::log(detail::LogVerbosity::Info, fmt, args..., source);
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}
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#else
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template <typename... Args>
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inline constexpr auto info(std::string_view fmt, Args... args) -> void {}
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#endif
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#ifdef JOURNAL_WARN
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template <typename... Args>
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inline constexpr auto
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warn(std::string_view fmt, Args... args,
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const detail::source_location source = detail::source_location::current())
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-> void {
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detail::log(detail::LogVerbosity::Warn, fmt, args..., source);
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}
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#else
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template <typename... Args>
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inline constexpr auto warn(std::string_view fmt, Args... args) -> void {}
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#endif
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#ifdef JOURNAL_ERROR
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template <typename... Args>
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inline constexpr auto
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error(std::string_view fmt, Args... args,
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const detail::source_location source = detail::source_location::current())
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-> void {
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detail::log(detail::LogVerbosity::Error, fmt, args..., source);
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}
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#else
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template <typename... Args>
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inline constexpr auto error(std::string_view fmt, Args... args) -> void {}
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#endif
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} // namespace journal
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