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/*
* (C) 2015-2016 see Authors.txt
*
* This file is part of MPC-HC.
*
* MPC-HC is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* MPC-HC is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#pragma once
#include "PathUtils.h"
#include "mplayerc.h"
enum class LogTargets {
BDA,
SUBTITLES
};
namespace
{
template<LogTargets TARGET>
constexpr LPCTSTR GetFileName();
template<>
constexpr LPCTSTR GetFileName<LogTargets::BDA>()
{
return _T("bda.log");
}
template<>
constexpr LPCTSTR GetFileName<LogTargets::SUBTITLES>()
{
return _T("subtitles.log");
}
void WriteToFile(FILE* f, LPCSTR function, LPCSTR file, int line, _In_z_ _Printf_format_string_ LPCTSTR fmt, va_list& args)
{
SYSTEMTIME local_time;
GetLocalTime(&local_time);
_ftprintf_s(f, _T("%.2hu:%.2hu:%.2hu.%.3hu - %S: "), local_time.wHour, local_time.wMinute,
local_time.wSecond, local_time.wMilliseconds, function);
_vftprintf_s(f, fmt, args);
_ftprintf_s(f, _T(" (%S:%d)\n"), file, line);
}
}
template<LogTargets TARGET>
struct Logger final {
static void Log(LPCSTR function, LPCSTR file, int line, LPCTSTR fmt...) {
static Logger logger;
if (!logger.m_file) {
return;
}
va_list args;
va_start(args, fmt);
WriteToFile(logger.m_file, function, file, line, fmt, args);
va_end(args);
}
private:
Logger() {
const auto& s = AfxGetAppSettings();
// Check if logging is enabled only during initialization to avoid incomplete logs
ASSERT(s.IsInitialized());
CString savePath;
VERIFY(AfxGetMyApp()->GetAppSavePath(savePath));
m_file = s.bEnableLogging ? _tfsopen(PathUtils::CombinePaths(savePath, GetFileName<TARGET>()), _T("at"), SH_DENYWR) : nullptr;
ASSERT(!s.bEnableLogging || m_file);
}
~Logger() {
if (m_file) {
fclose(m_file);
}
}
FILE* m_file;
};
#define MPCHC_LOG(TARGET, fmt, ...) Logger<LogTargets::TARGET>::Log(__FUNCTION__, __FILE__, __LINE__, fmt, __VA_ARGS__)
#define BDA_LOG(...) MPCHC_LOG(BDA, __VA_ARGS__)
#define SUBTITLES_LOG(...) MPCHC_LOG(SUBTITLES, __VA_ARGS__)
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