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// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: 2014 Citra Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <array>
#include <cstdio>
#include <cstdint>
#include <string>
#ifdef _WIN32
#include <windows.h>
#elif defined(__ANDROID__)
#include <android/log.h>
#endif
#include "common/assert.h"
#include "common/logging/filter.h"
#include "common/logging/log.h"
#include "common/logging/log_entry.h"
#include "common/logging/text_formatter.h"
namespace Common::Log {
// Some IDEs prefer <file>:<line> instead, so let's just do that :)
std::string FormatLogMessage(const Entry& entry) {
auto const time_seconds = uint32_t(entry.timestamp.count() / 1000000);
auto const time_fractional = uint32_t(entry.timestamp.count() % 1000000);
char const* class_name = GetLogClassName(entry.log_class);
char const* level_name = GetLevelName(entry.log_level);
return fmt::format("[{:4d}.{:06d}] {} <{}> {}:{}:{}: {}", time_seconds, time_fractional,
class_name, level_name, entry.filename, entry.line_num, entry.function,
entry.message);
}
void PrintMessage(const Entry& entry) {
#ifdef _WIN32
auto const str = FormatLogMessage(entry).append(1, '\n');
#else
#define ESC "\x1b"
auto str = std::string{[&entry]() -> const char* {
switch (entry.log_level) {
case Level::Debug: return ESC "[0;36m"; // Cyan
case Level::Info: return ESC "[0;37m"; // Bright gray
case Level::Warning: return ESC "[1;33m"; // Bright yellow
case Level::Error: return ESC "[1;31m"; // Bright red
case Level::Critical: return ESC "[1;35m"; // Bright magenta
default: return ESC "[1;30m"; // Grey
}
}()};
str.append(FormatLogMessage(entry));
str.append(ESC "[0m\n");
#undef ESC
#endif
fwrite(str.c_str(), 1, str.size(), stderr);
}
void PrintColoredMessage(const Entry& entry) {
#ifdef _WIN32
HANDLE console_handle = GetStdHandle(STD_ERROR_HANDLE);
if (console_handle == INVALID_HANDLE_VALUE)
return;
CONSOLE_SCREEN_BUFFER_INFO original_info = {};
GetConsoleScreenBufferInfo(console_handle, &original_info);
WORD color = WORD([&entry]() {
switch (entry.log_level) {
case Level::Debug: return FOREGROUND_GREEN | FOREGROUND_BLUE; // Cyan
case Level::Info: return FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE; // Bright gray
case Level::Warning: return FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_INTENSITY;
case Level::Error: return FOREGROUND_RED | FOREGROUND_INTENSITY;
case Level::Critical: return FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_INTENSITY;
default: break;
}
return FOREGROUND_INTENSITY; // Grey
}());
SetConsoleTextAttribute(console_handle, color);
#endif
PrintMessage(entry);
#ifdef _WIN32
SetConsoleTextAttribute(console_handle, original_info.wAttributes);
#endif
}
void PrintMessageToLogcat(const Entry& entry) {
#ifdef ANDROID
android_LogPriority android_log_priority = [&]() {
switch (entry.log_level) {
case Level::Debug: return ANDROID_LOG_DEBUG;
case Level::Info: return ANDROID_LOG_INFO;
case Level::Warning: return ANDROID_LOG_WARN;
case Level::Error: return ANDROID_LOG_ERROR;
case Level::Critical: return ANDROID_LOG_FATAL;
case Level::Count:
case Level::Trace: return ANDROID_LOG_VERBOSE;
}
}();
auto const str = FormatLogMessage(entry);
__android_log_print(android_log_priority, "YuzuNative", "%s", str.c_str());
#endif
}
} // namespace Common::Log
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