Initial commit

src/common/logging/log.h

@@ -0,0 +1,48 @@
+#ifndef KYTY_COMMON_LOGGING_LOG_H_
+#define KYTY_COMMON_LOGGING_LOG_H_
+
+#include "common/common.h"
+#include "common/subsystems.h"
+
+#include <fmt/color.h>
+#include <fmt/printf.h>
+#include <string_view>
+
+namespace Log {
+
+KYTY_SUBSYSTEM_DEFINE(Log);
+
+enum class Direction { Silent, Console, File };
+
+Direction GetDirection();
+void      Write(std::string_view text);
+void      Write(fmt::text_style style, std::string_view text);
+void      WriteFatal(std::string_view text);
+void      WriteFatal(fmt::text_style style, std::string_view text);
+void      Flush();
+
+namespace Color {
+
+inline constexpr auto Default       = fmt::text_style {};
+inline constexpr auto Red           = fmt::fg(fmt::terminal_color::red);
+inline constexpr auto Green         = fmt::fg(fmt::terminal_color::green);
+inline constexpr auto Yellow        = fmt::fg(fmt::terminal_color::yellow);
+inline constexpr auto Magenta       = fmt::fg(fmt::terminal_color::magenta);
+inline constexpr auto Cyan          = fmt::fg(fmt::terminal_color::cyan);
+inline constexpr auto White         = fmt::fg(fmt::terminal_color::white);
+inline constexpr auto BrightRed     = fmt::fg(fmt::terminal_color::bright_red);
+inline constexpr auto BrightGreen   = fmt::fg(fmt::terminal_color::bright_green);
+inline constexpr auto BrightYellow  = fmt::fg(fmt::terminal_color::bright_yellow);
+inline constexpr auto BrightMagenta = fmt::fg(fmt::terminal_color::bright_magenta);
+inline constexpr auto BrightWhite   = fmt::fg(fmt::terminal_color::bright_white);
+
+} // namespace Color
+
+} // namespace Log
+
+// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
+#define LOGF(...) ::Log::Write(::fmt::sprintf(__VA_ARGS__))
+// NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
+#define LOGF_COLOR(style, ...) ::Log::Write((style), ::fmt::sprintf(__VA_ARGS__))
+
+#endif /* KYTY_COMMON_LOGGING_LOG_H_ */