Classes/C_Logger.cpp - AddMacOS - Dengit-man/CustomLocaleKeyShortcut

Classes/C_Logger.cpp
616 строк22 KB
Dengit-man
Поправлен `LICENSE.md` и соответствующие упоминания в нужных файлах.
25 май 2026, 23:32
25 май 2026, 23:3279c96dd
//
// Created by Dengit-man on 26.02.2026.
// Правообладатель (c) 2026 Пользователь GitVerse "Dengit-man"
//

#include "C_Logger.h"

#include <atomic>
#include <chrono>
#include <iostream>
#include <sstream>
#include <thread>
#include <utility>

#include "C_Exceptions.h"
#include "C_MainContext.h"
#include "S_Utilities.h"

std::atomic_bool C_Logger::initialized = ATOMIC_VAR_INIT(0);
std::atomic_bool C_Logger::initializing = ATOMIC_VAR_INIT(0);
std::atomic< std::shared_ptr<C_Logger> > C_Logger::_instance{nullptr};
std::mutex C_Logger::init_mutex{};
std::mutex C_Logger::print_mutex{};
std::mutex C_Logger::localtime_mutex{};

bool C_Logger::logsOff = false;

std::string C_Logger::getLogPrefix(MsgType type)
{
    switch (type)
    {
        case MsgType::CriticalMsg:
            return {"[CRITICAL]"};
        case MsgType::WarningMsg:
            return {"[WARNING] "};
        case MsgType::InfoMsg:
            return {"[INFO]    "};
        case MsgType::DebugMsg:
            return {"[DEBUG]   "};
        case MsgType::FatalMsg:
            return {"[FATAL]   "};
        default:
            return {"[UNKNOWN]  "};
    }
}


std::string C_Logger::format(const std::string &message, const MsgType type,
                             const char* file,
                             const char* function,
                             const int lineNum,
                             std::string thId)
{


    constexpr auto fmt = R"([{0}] {1} [ "{2}":{3:4d}, '{4: <12}'] [{5: ^3}] "{6}")";

    std::string line = std::format(fmt, C_Logger::currTime(), C_Logger::getLogPrefix(type),
        file, lineNum, function, thId, message);

    return line;
}
std::wstring C_Logger::format(const std::wstring &message, const MsgType type,
                             const char* file,
                             const char* function,
                             const int lineNum,
                             std::string thId)
{
    constexpr auto fmt = LR"([{0}] {1} [ "{2}":{3:4d}, '{4: <12}'] [{5: ^3}] "{6}")";

    std::wstring line = std::format(fmt, C_Logger::wcurrTime(), S_Utilities::to_wstring(C_Logger::getLogPrefix(type)),
        S_Utilities::to_wstring(file), lineNum, S_Utilities::to_wstring(function), S_Utilities::str_to_wstr_digits(thId), message);

    return line;
}

void C_Logger::recheckLogFile()
{
    if (C_Logger::logsOff)
    {
        return;
    }
#if defined(DEBUG_OUT_ON)
    std::cout << C_Logger::getLogColor< decltype(std::cout)::char_type >(MsgType::DebugMsg) << DebugLine(
                "Check open log file") <<
            C_Logger::getLogColor< decltype(std::cout)::char_type >(static_cast< MsgType >(-1)) << std::endl;
#endif
    if (this->logstream.is_open())
    {
#if defined(DEBUG_OUT_ON)
        std::cout << C_Logger::getLogColor< decltype(std::cout)::char_type >(MsgType::DebugMsg) << DebugLine(
                    "Closing log file") <<
                C_Logger::getLogColor< decltype(std::cout)::char_type >(static_cast< MsgType >(-1)) << std::endl;
#endif
        this->logstream.close();
    }
    if (!this->GetLogFileName().empty())
    {

#if defined(DEBUG_OUT_ON)
        std::cout << C_Logger::getLogColor< decltype(std::cout)::char_type >(MsgType::DebugMsg) << DebugLine(
                    "Opening log file") <<
                C_Logger::getLogColor< decltype(std::cout)::char_type >(static_cast< MsgType >(-1)) << std::endl;
#endif

        auto rslt = S_Utilities::ensureDirectoryExists(this->GetLogFileName().parent_path());
        if (!rslt)
        {
            std::cerr << C_Logger::getLogColor< decltype(std::cerr)::char_type >(MsgType::WarningMsg) <<
                    CriticalLine(std::format("[-] There is problem with path: \"{}\"; Path: '{}'",
                        rslt.message,
                        this->GetLogFileName().string())) <<
                    C_Logger::getLogColor< decltype(std::cerr)::char_type >(static_cast< MsgType >(-1)) << std::endl;
        }
        this->logstream.open(this->GetLogFileName(), std::ofstream::out | std::ofstream::app);
        if (!this->logstream.is_open())
        {
            std::cerr << C_Logger::getLogColor< decltype(std::cerr)::char_type >(MsgType::WarningMsg) << WarnLine(
                        std::format("[-] Failed to open log file '{}'", this->GetLogFileName().string())) <<
                    C_Logger::getLogColor< decltype(std::cerr)::char_type >(static_cast< MsgType >(-1)) << std::endl;
        }
        else
        {
            std::cout << C_Logger::getLogColor< decltype(std::cout)::char_type >(MsgType::InfoMsg) << InfoLine(
                        std::format("[+] Log file opened successful: '{}'", this->GetLogFileName().string())) <<
                    C_Logger::getLogColor< decltype(std::cout)::char_type >(static_cast< MsgType >(-1)) << std::endl;
            this->logstream << C_Logger::getLogColor< decltype(std::cout)::char_type >(MsgType::InfoMsg) << InfoLine(
                        std::format("[+] Log file opened successful: '{}'", this->GetLogFileName().string())) <<
                    C_Logger::getLogColor< decltype(std::cout)::char_type >(static_cast< MsgType >(-1)) << std::endl;
        }
        this->logstream.close();
        this->logstream_ok = true;
        this->wlogstream.open(this->GetLogFileName(), std::wofstream::out | std::wofstream::app);
        if (!this->wlogstream.is_open())
        {
            std::cerr << C_Logger::getLogColor< decltype(std::cerr)::char_type >(MsgType::WarningMsg) << WarnLine(
                        std::format("[-] Failed to open wide log file '{}'", this->GetLogFileName().string())) <<
                    C_Logger::getLogColor< decltype(std::cerr)::char_type >(static_cast< MsgType >(-1)) << std::endl;
        }
        else
        {
            std::wcout << C_Logger::getLogColor< decltype(std::wcout)::char_type >(MsgType::InfoMsg) << InfoLine(
                        std::format(L"[+] Wide Log file opened successful: '{}'", this->GetLogFileName().wstring())) <<
                    C_Logger::getLogColor< decltype(std::wcout)::char_type >(static_cast< MsgType >(-1)) << std::endl;
            this->wlogstream << C_Logger::getLogColor< decltype(std::wcout)::char_type >(MsgType::InfoMsg) << InfoLine(
                        std::format(L"[+] Wide Log file opened successful: '{}'", this->GetLogFileName().wstring())) <<
                    C_Logger::getLogColor< decltype(std::wcout)::char_type >(static_cast< MsgType >(-1)) << std::endl;
        }
        this->wlogstream.close();
        this->wlogstream_ok = true;
    }
}

bool C_Logger::openLogFile(bool wide/* = false*/)
{
    if (this->GetLogFileName().empty())
    {
        return false;
    }
    if (!wide)
    {
        if (this->logstream_ok)
        {
            this->logstream.open(this->GetLogFileName(), std::ofstream::out | std::ofstream::app);
            if (!this->logstream.is_open())
            {
                if (!C_Logger::logsOff)
                {
                    std::cerr << C_Logger::getLogColor<decltype(std::cerr)::char_type>(MsgType::WarningMsg) << \
                        WarnLine(std::format("[-] Failed to open log file '{}'", this->GetLogFileName().string())) << \
                        C_Logger::getLogColor<decltype(std::cerr)::char_type>(static_cast<MsgType>(-1)) << std::endl;
                }
                return false;
            }
            return true;
        }
    }
    else
    {
        if (this->wlogstream_ok)
        {
            this->wlogstream.open(this->GetLogFileName(), std::wofstream::out | std::wofstream::app);
            if (!this->wlogstream.is_open())
            {
                if (!C_Logger::logsOff)
                {
                    std::cerr << C_Logger::getLogColor<decltype(std::cerr)::char_type>(MsgType::WarningMsg) << \
                        WarnLine(std::format("[-] Failed to open wide log file '{}'", this->GetLogFileName().string())) << \
                        C_Logger::getLogColor<decltype(std::cerr)::char_type>(static_cast<MsgType>(-1)) << std::endl;
                }
                return false;
            }
            return true;
        }
    }
    return false;
}

void C_Logger::closeLogFile()
{
    // std::cout << C_Logger::getLogColor<decltype(std::cout)::char_type>(MsgType::DebugMsg) << DebugLine("Closing log file") << \
    //             C_Logger::getLogColor<decltype(std::cout)::char_type>(static_cast<MsgType>(-1)) << std::endl;
    if (this->logstream.is_open())
    {
        this->logstream.close();
    }
    if (this->wlogstream.is_open())
    {
        this->wlogstream.close();
    }
}

C_Logger::C_Logger()
    : f_logFileNameRefreshed(true), logstream_ok(false), wlogstream_ok(false)
{
#if defined(DEBUG_OUT_ON)
    if (!C_Logger::logsOff)
    {
        std::cout << C_Logger::getLogColor<decltype(std::cout)::char_type>(MsgType::DebugMsg) << DebugLine("C_Logger creating...") << \
                    C_Logger::getLogColor<decltype(std::cout)::char_type>(static_cast<MsgType>(-1)) << std::endl;
    }
#endif
    static bool initialized = false;
    if (!initialized)
    {

#if defined(DEBUG_OUT_ON)
        if (!C_Logger::logsOff)
        {
            std::cout << C_Logger::getLogColor<decltype(std::cout)::char_type>(MsgType::DebugMsg) << DebugLine("C_Logger initializing...") << \
                    C_Logger::getLogColor<decltype(std::cout)::char_type>(static_cast<MsgType>(-1)) << std::endl;
        }
#endif
        initialized = true;
    }
    else
    {
        LogCritical("Instance already initialized. You can't construct new object. " \
                    "If you need to add tags. You should use \"addTag(QString tag)\".", false);
        throw EObjectIsAlreadyInitialized("Instance already initialized. You can't construct new object. " \
                                 "If you need to add tags. You should use \"addTag(QString tag)\".");
        //        static_assert(false, "Can't add tags. You should use \"obj->addTag(QString tag)\".");
    }
#if defined(DEBUG_OUT_ON)
    if (!C_Logger::logsOff)
    {
        std::cout << C_Logger::getLogColor<decltype(std::cout)::char_type>(MsgType::DebugMsg) << DebugLine("C_Logger created.") << \
                    C_Logger::getLogColor<decltype(std::cout)::char_type>(static_cast<MsgType>(-1)) << std::endl;
    }
#endif

}

std::filesystem::path C_Logger::GetLogFileName()
{
    if (this->f_logFileNameRefreshed)
    {
        constexpr auto date_var = "{DATE}";
        const auto old = this->f_logFileName;
        auto filename = this->f_logFileName.filename().string();
        auto pos = filename.find(date_var);
        if (pos >= 0 && pos < filename.length()) //Сравнение беззнакового с нулём на случай, если size_t когда-нибудь, где-нибудь окажется знаковым.
        {
            filename.replace(pos, strlen(date_var), C_Logger::currDate());
            this->f_logFileName = this->f_logFileName.parent_path() / filename;
        }
        constexpr auto cwd = "./";
        auto fullpath = this->f_logFileName.string();
        if (fullpath[0] == cwd[0] && fullpath[1] == cwd[1])
        {
            this->f_logFileName = std::filesystem::current_path() / std::string_view(fullpath).substr(2);
        }
        this->f_logFileNameRefreshed = false;

        if (old != this->f_logFileName)
        {
#if defined(DEBUG_OUT_ON)
            if (!C_Logger::logsOff)
            {
                // std::lock_guard const lock(C_Logger::print_mutex);
                std::cout << C_Logger::getLogColor< decltype(std::cout)::char_type >(MsgType::DebugMsg) << DebugLine(
                            std::format("Set new logging filename '{}'; old: '{}'",
                                this->f_logFileName.string(),
                                old.string())) <<
                        C_Logger::getLogColor< decltype(std::cout)::char_type >(static_cast< MsgType >(-1)) << std::endl;

            }
#endif
        }
    }
    return this->f_logFileName;
}

bool C_Logger::freeInstance()
{
#if defined(DEBUG_OUT_ON)
    if (!C_Logger::logsOff)
    {
        std::cout << C_Logger::getLogColor<decltype(std::cout)::char_type>(MsgType::DebugMsg) << DebugLine("C_Logger::freeInstance() called") << \
                    C_Logger::getLogColor<decltype(std::cout)::char_type>(static_cast<MsgType>(-1)) << std::endl;
    }
#endif
    std::lock_guard const lock(C_Logger::init_mutex);
    auto last_chance = C_Logger::_instance.exchange(nullptr, std::memory_order_acq_rel);
    if (last_chance != nullptr)
    {
        last_chance.reset();

#if defined(DEBUG_OUT_ON)
        if (!C_Logger::logsOff)
        {
            std::cout << C_Logger::getLogColor<decltype(std::cout)::char_type>(MsgType::DebugMsg) << DebugLine("C_Logger instance released") << \
                    C_Logger::getLogColor<decltype(std::cout)::char_type>(static_cast<MsgType>(-1)) << std::endl;
        }
#endif
        return true;
    }
    else
    {

#if defined(DEBUG_OUT_ON)
        if (!C_Logger::logsOff)
        {
            std::cout << C_Logger::getLogColor<decltype(std::cout)::char_type>(MsgType::DebugMsg) << DebugLine("C_Logger instance already nullptr") << \
                    C_Logger::getLogColor<decltype(std::cout)::char_type>(static_cast<MsgType>(-1)) << std::endl;
        }
#endif
        return false;
    }
}

void C_Logger::_log(const std::string &message, const MsgType type,
    const char* file,
    const char* function,
    const int line,
    std::string thId)
{
    if (C_Logger::logsOff)
    {
        return;
    }
    std::lock_guard const lock(C_Logger::print_mutex);

    const auto msg = C_Logger::format(message, type,
        file,
        function,
        line,
        std::move(thId));
    switch (type)
    {
        case MsgType::CriticalMsg:
        case MsgType::FatalMsg:
            {
                std::cerr << C_Logger::getLogColor<decltype(std::cerr)::char_type>(type) << msg << termcolor::reset << \
                    C_Logger::getLogColor<decltype(std::cerr)::char_type>(static_cast<MsgType>(-1)) << "\n";
            }
            break;
        default:
            {
                std::cout << C_Logger::getLogColor<decltype(std::cout)::char_type>(type) << msg << termcolor::reset << \
                    C_Logger::getLogColor<decltype(std::cout)::char_type>(static_cast<MsgType>(-1)) << "\n";
            }
            break;
    }
    if (this->openLogFile())
    {
        this->logstream << msg << '\n';
        this->logstream.flush();
        this->closeLogFile();
    }
}

void C_Logger::_log(const std::wstring &message, const MsgType type,
    const char* file,
    const char* function,
    const int line,
    std::string thId)
{
    if (C_Logger::logsOff)
    {
        return;
    }
    std::lock_guard const lock(C_Logger::print_mutex);

    const auto msg = C_Logger::format(message, type,
        file,
        function,
        line,
        std::move(thId));
    switch (type)
    {
        case MsgType::CriticalMsg:
        case MsgType::FatalMsg:
            {
                std::wcerr << C_Logger::getLogColor<decltype(std::wcerr)::char_type>(type) << msg << termcolor::reset << \
                    C_Logger::getLogColor<decltype(std::wcout)::char_type>(static_cast<MsgType>(-1)) << L"\n";
            }
            break;
        default:
            {
                std::wcout << C_Logger::getLogColor<decltype(std::wcout)::char_type>(type) << msg << termcolor::reset << \
                    C_Logger::getLogColor<decltype(std::wcout)::char_type>(static_cast<MsgType>(-1)) << L"\n";
            }
            break;
    }
    if (this->openLogFile(true))
    {
        this->wlogstream << msg << '\n';
        this->wlogstream.flush();
        this->closeLogFile();
    }
}

std::string C_Logger::currTime()
{
    const auto now = std::chrono::system_clock::now();
    const auto time_t = std::chrono::system_clock::to_time_t(now);
    constexpr unsigned short one_second_ms = 1000;
    auto ms = std::chrono::duration_cast<std::chrono::milliseconds>(
        now.time_since_epoch()
        ) % one_second_ms;
    std::ostringstream oss;
    {
        std::unique_lock lock(C_Logger::localtime_mutex);
        oss << std::put_time(localtime(&time_t), "%Y-%m-%d %H:%M:%S")
            << '.' << std::setfill('0') << std::setw(3) << ms.count();
    }
    return oss.str();
}

std::string C_Logger::currDate()
{
    const auto now = std::chrono::system_clock::now();
    const auto time_t = std::chrono::system_clock::to_time_t(now);

    std::ostringstream oss;
    {
        std::unique_lock lock(C_Logger::localtime_mutex);
        oss << std::put_time(localtime(&time_t), "%Y-%m-%d");
    }
    return oss.str();
}
std::wstring C_Logger::wcurrDate()
{
    const auto now = std::chrono::system_clock::now();
    const auto time_t = std::chrono::system_clock::to_time_t(now);

    std::wostringstream oss;
    {
        std::unique_lock lock(C_Logger::localtime_mutex);
        oss << std::put_time(localtime(&time_t), L"%Y-%m-%d");
    }
    return oss.str();
}

std::wstring C_Logger::wcurrTime()
{
    const auto now = std::chrono::system_clock::now();
    const auto time_t = std::chrono::system_clock::to_time_t(now);
    constexpr unsigned short one_second_ms = 1000;
    auto ms = std::chrono::duration_cast<std::chrono::milliseconds>(
        now.time_since_epoch()
        ) % one_second_ms;

    std::wostringstream oss;
    {
        std::unique_lock lock(C_Logger::localtime_mutex);
        oss << std::put_time(localtime(&time_t), L"%Y-%m-%d %H:%M:%S")
            << '.' << std::setfill(L'0') << std::setw(3) << ms.count();
    }
    return oss.str();
}

void C_Logger::SetLogsOn(bool logsOn)
{
    C_Logger::logsOff = !logsOn;
}

void C_Logger::setLogFileName(const std::string &logFileName)
{
#if defined(DEBUG_OUT_ON)
    if (!C_Logger::logsOff)
    {
        std::lock_guard const lock(C_Logger::print_mutex);
        std::cout << C_Logger::getLogColor< decltype(std::cout)::char_type >(MsgType::DebugMsg) << DebugLine(
                    std::format("Set new logging filename '{}'; old: '{}'",
                        logFileName,
                        this->GetLogFileName().string() )) <<
                C_Logger::getLogColor< decltype(std::cout)::char_type >(static_cast< MsgType >(-1)) << std::endl;
    }
#endif
    this->f_logFileName = logFileName;
    this->f_logFileNameRefreshed = true;
    this->recheckLogFile();
}

std::shared_ptr<C_Logger> C_Logger::instance()
{
    auto ptr = C_Logger::_instance.load(std::memory_order_acquire);
    if (ptr != nullptr)
    {
        return ptr;
    }
#if defined(DEBUG_OUT_ON)
    if (!C_Logger::logsOff)
    {
        std::lock_guard const lock(C_Logger::init_mutex);
        std::cout << C_Logger::getLogColor<decltype(std::cout)::char_type>(MsgType::DebugMsg) << DebugLine("Double-Checked Locking: C_Logger::init_mutex become locked.") << \
                        C_Logger::getLogColor<decltype(std::cout)::char_type>(static_cast<MsgType>(-1)) << std::endl;
    }
#endif
    ptr = C_Logger::_instance.load(std::memory_order_acquire);
    if (ptr == nullptr)
    {
        try
        {
            auto fresh = std::shared_ptr<C_Logger>(new C_Logger());
#if defined(DEBUG_OUT_ON)
            if (!C_Logger::logsOff)
            {
                std::cout << C_Logger::getLogColor<decltype(std::cout)::char_type>(MsgType::DebugMsg) << DebugLine("C_Logger instance created.") << \
                        C_Logger::getLogColor<decltype(std::cout)::char_type>(static_cast<MsgType>(-1)) << std::endl;
            }
#endif
            C_Logger::_instance.store(fresh, std::memory_order_release);

#if defined(DEBUG_OUT_ON)
            if (!C_Logger::logsOff)
            {
                std::cout << C_Logger::getLogColor<decltype(std::cout)::char_type>(MsgType::DebugMsg) << DebugLine("C_Logger instance stored successfully..") << \
                        C_Logger::getLogColor<decltype(std::cout)::char_type>(static_cast<MsgType>(-1)) << std::endl;
            }
#endif
            ptr = C_Logger::_instance.load(std::memory_order_acquire);
            // emit fresh
        }
        catch (...)
        {
#if defined(DEBUG_OUT_ON)
            if (!C_Logger::logsOff)
            {
                std::cerr << C_Logger::getLogColor<decltype(std::cerr)::char_type>(MsgType::CriticalMsg) <<  CriticalLine("[!] C_Logger::instance() failed.") << \
                        C_Logger::getLogColor<decltype(std::cerr)::char_type>(static_cast<MsgType>(-1)) << std::endl;
            }
#endif
            throw std::runtime_error(CriticalLine("[!] C_Logger::instance() failed."));
        }
    }
    // else
    // {
    //     LogWarn("C_Logger instance already initialized.");
    // }
    return ptr;
}

std::mutex & C_Logger::getPrintMutex()
{
    return C_Logger::print_mutex;
}

void C_Logger::Log(const std::string &message, const MsgType type,
                   const char* file,
                   const char* function,
                   const int line,
                   std::string thId)
{
    auto instance = C_Logger::instance();
    instance->_log(message, type, file, function, line, thId);
}

void C_Logger::Log(const std::wstring &message, const MsgType type,
                   const char* file,
                   const char* function,
                   const int line,
                   std::string thId)
{
    auto instance = C_Logger::instance();
    instance->_log(message, type, file, function, line, thId);
}

void C_Logger::Log(const std::string &message, bool async, const MsgType type,
    const char *file,
    const char *function,
    const int line,
    std::string thId
)
{
    if (async)
    {
        std::thread([this, message, type, file, function, line, thId]() {
            this->Log(message, type, file, function, line, thId);
        }).detach();
    }
    else
    {
        this->Log(message, type, file, function, line, thId);
    }
}
void C_Logger::Log(const std::wstring &message, bool async, const MsgType type,
    const char *file,
    const char *function,
    const int line,
    std::string thId
)
{
    if (async)
    {
        std::thread([this, message, type, file, function, line, thId]() {
            this->Log(message, type, file, function, line, thId);
        }).detach();
    }
    else
    {
        this->Log(message, type, file, function, line, thId);
    }
}