gbe_fork/helpers/dbg_log.cpp

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#include "dbg_log/dbg_log.hpp"
#include "common_helpers/common_helpers.hpp"
#include "utfcpp/utf8.h"
#include <iterator>
#include <cwchar>
#include <cstdarg>
#include <filesystem>
#include <sstream>
#include <string>
#include <stdio.h>
#include "common_helpers/os_detector.h"
void dbg_log::open()
{
#ifndef EMU_RELEASE_BUILD
if (!out_file && filepath.size()) {
// https://en.cppreference.com/w/cpp/filesystem/path/u8path
const auto fsp = std::filesystem::u8path(filepath);
#if defined(__WINDOWS__)
out_file = _wfopen(fsp.c_str(), L"at");
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#else
out_file = std::fopen(fsp.c_str(), "a");
#endif
}
#endif
}
void dbg_log::write_stamp()
{
auto elapsed = std::chrono::high_resolution_clock::now() - start_time;
auto duration_ms = std::chrono::duration_cast<std::chrono::milliseconds>(elapsed).count();
auto duration_us = std::chrono::duration_cast<std::chrono::microseconds>(elapsed).count();
std::stringstream ss{};
ss << "[" << duration_ms << " ms, " << duration_us << " us] ";
auto ss_str = ss.str();
std::fprintf(out_file, "%s", ss_str.c_str());
}
dbg_log::dbg_log(std::string_view path)
{
#ifndef EMU_RELEASE_BUILD
filepath = path;
#endif
}
dbg_log::dbg_log(std::wstring_view path)
{
#ifndef EMU_RELEASE_BUILD
filepath = common_helpers::to_str(path);
#endif
}
dbg_log::~dbg_log()
{
#ifndef EMU_RELEASE_BUILD
close();
#endif
}
void dbg_log::write(const std::string &str)
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{
#ifndef EMU_RELEASE_BUILD
write("%s", str.c_str());
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#endif
}
void dbg_log::write(const std::wstring &str)
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{
#ifndef EMU_RELEASE_BUILD
write("%s", str.c_str());
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#endif
}
void dbg_log::write(const char *fmt, ...)
{
#ifndef EMU_RELEASE_BUILD
std::lock_guard lk(f_mtx);
open();
if (out_file) {
write_stamp();
std::va_list args;
va_start(args, fmt);
std::vfprintf(out_file, fmt, args);
va_end(args);
std::fprintf(out_file, "\n");
std::fflush(out_file);
}
#endif
}
void dbg_log::write(const wchar_t *fmt, ...)
{
#ifndef EMU_RELEASE_BUILD
std::lock_guard lk(f_mtx);
open();
if (out_file) {
write_stamp();
std::va_list args;
va_start(args, fmt);
std::vfwprintf(out_file, fmt, args);
va_end(args);
std::fprintf(out_file, "\n");
std::fflush(out_file);
}
#endif
}
void dbg_log::close()
{
#ifndef EMU_RELEASE_BUILD
std::lock_guard lk(f_mtx);
if (out_file) {
std::fprintf(out_file, "\nLog file closed\n\n");
std::fclose(out_file);
out_file = nullptr;
}
#endif
}