Logger.cpp

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#include "Logger.hpp"
 
#include <thread>
 
#if defined(__EMSCRIPTEN__) || defined(__DOXYGEN__)
#include <emscripten/console.h>
#else
#include <iostream>
#include <syncstream>
#endif
 
namespace echomap
{
 
void Logger::log(
        const Level level,
        const std::string_view message,
        const std::source_location location
)
{
    const auto line = std::format(
            "[{} ({})] {}:{} says: {}",
            level_to_string(level),
            std::this_thread::get_id(),
            location.file_name(),
            location.line(),
            message
    );
 
#if defined(__EMSCRIPTEN__) || defined(__DOXYGEN__)
    switch (level) {
    case Level::Error:
        emscripten_console_error(line.c_str());
        break;
    case Level::Info:
        emscripten_console_log(line.c_str());
        break;
    case Level::Warning:
        emscripten_console_warn(line.c_str());
        break;
    case Level::Debug:
        // Do not use console.trace, since Chrome DevTools expands it.
        emscripten_console_log(line.c_str());
        break;
    }
#else
    auto stream = std::osyncstream(level == Level::Error ? std::cerr : std::cout);
    stream << line << '\n';
#endif
}
 
std::string_view Logger::level_to_string(
        const Level level
)
{
    switch (level) {
    case Level::Debug:
        return "Debug";
    case Level::Error:
        return "Error";
    case Level::Info:
        return "Info";
    case Level::Warning:
        return "Warning";
    }
 
    return "Unknown";
}
 
} // namespace echomap