84 lines
3.0 KiB
C++
84 lines
3.0 KiB
C++
// wCenterWindow
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// CLogger.cpp
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#include "CLogger.h"
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#include <string>
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#include <filesystem>
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#include <strsafe.h>
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// Convert a wide Unicode string to an UTF8 string
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std::string CLogger::ConvU16U8(const std::wstring& wstr) {
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if (wstr.empty()) return std::string();
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int size = WideCharToMultiByte(CP_UTF8, 0, &wstr[0], wstr.size(), NULL, 0, NULL, NULL);
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std::string str_out(size, 0);
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WideCharToMultiByte(CP_UTF8, 0, &wstr[0], wstr.size(), &str_out[0], size, NULL, NULL);
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return str_out;
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}
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inline wchar_t* CLogger::GetTimeStamp() {
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GetLocalTime(<);
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StringCchPrintfW(logTimeBuffer, _countof(logTimeBuffer), L"%d-%02d-%02d %02d:%02d:%02d.%03d | ", lt.wYear, lt.wMonth, lt.wDay, lt.wHour, lt.wMinute, lt.wSecond, lt.wMilliseconds);
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return logTimeBuffer;
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}
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void CLogger::Out(const wchar_t* fmt, ...) {
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if (fsLogFile.is_open()) {
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va_list args;
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va_start(args, fmt);
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EnterCriticalSection(&cs);
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StringCchVPrintfW(logBuffer, _countof(logBuffer), fmt, args);
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va_end(args);
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fsLogFile << ConvU16U8(GetTimeStamp()) << ConvU16U8(logBuffer) << std::endl;
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LeaveCriticalSection(&cs);
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}
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}
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void CLogger::Init() {
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wchar_t szPath[MAX_PATH] = { 0 };
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DWORD dwPathLength = GetModuleFileNameW(NULL, szPath, MAX_PATH);
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DWORD dwError = GetLastError();
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if (ERROR_INSUFFICIENT_BUFFER == dwError) {
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MessageBoxW(NULL, L"Warning!\nPath to log file is too long! Working without logging.", szAppTitle.c_str(), MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
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return;
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}
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if (NULL == dwPathLength) {
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MessageBoxW(NULL, L"Warning!\nCan't get application's filename! Working without logging.", szAppTitle.c_str(), MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
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return;
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}
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std::filesystem::path log_path = szPath;
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log_path.replace_extension(L".log");
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std::filesystem::path bak_path = log_path;
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bak_path.replace_extension(L".bak");
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if (std::filesystem::exists(log_path)) std::filesystem::rename(log_path, bak_path);
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#ifdef _DEBUG
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log_path = L"test.log";
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#endif
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fsLogFile.open(log_path, std::ios::trunc);
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if (fsLogFile.is_open()) {
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InitializeCriticalSection(&cs);
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fsLogFile << "\xEF\xBB\xBF"; // (0xEF, 0xBB, 0xBF) - UTF-8 BOM
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fsLogFile.imbue(std::locale(".UTF-8"));
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fsLogFile << ConvU16U8(GetTimeStamp()) << "[ " << ConvU16U8(szAppTitleVer).c_str() << " ] Start log." << std::endl;
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fsLogFile << ConvU16U8(GetTimeStamp()) << "Logfile: \"" << ConvU16U8(log_path.native()) << "\"" << std::endl;
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}
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else {
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MessageBoxW(NULL, L"Warning!\nCan't create log file! Working without logging.", szAppTitle.c_str(), MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
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}
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}
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CLogger::CLogger(const wchar_t* _appTitle) {
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szAppTitle = _appTitle;
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szAppTitleVer = _appTitle;
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Init();
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}
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CLogger::~CLogger() {
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if (fsLogFile) {
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fsLogFile << ConvU16U8(GetTimeStamp()) << "Stop log." << std::endl;
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fsLogFile.close();
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DeleteCriticalSection(&cs);
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}
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}
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