Files
SDL3CPlusPlus/src/core/platform.cpp

79 lines
2.1 KiB
C++

#include "core/platform.hpp"
#include "logging/logger.hpp"
#include "logging/string_utils.hpp"
#include <cstdlib>
#ifdef _WIN32
#include <windows.h>
#endif
namespace sdl3cpp::platform {
std::optional<std::filesystem::path> GetUserConfigDirectory() {
sdl3cpp::logging::TraceGuard trace;
#ifdef _WIN32
if (const char* appData = std::getenv("APPDATA")) {
return std::filesystem::path(appData) / "sdl3cpp";
}
#else
if (const char* xdgConfig = std::getenv("XDG_CONFIG_HOME")) {
return std::filesystem::path(xdgConfig) / "sdl3cpp";
}
if (const char* home = std::getenv("HOME")) {
return std::filesystem::path(home) / ".config" / "sdl3cpp";
}
#endif
return std::nullopt;
}
#ifdef _WIN32
namespace {
std::string FormatWin32Error(DWORD errorCode) {
using sdl3cpp::logging::ToString;
sdl3cpp::logging::Logger::GetInstance().TraceFunctionWithArgs("FormatWin32Error", ToString(static_cast<unsigned long>(errorCode)));
if (errorCode == ERROR_SUCCESS) {
return "ERROR_SUCCESS";
}
LPSTR buffer = nullptr;
DWORD length = FormatMessageA(
FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
nullptr,
errorCode,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
reinterpret_cast<LPSTR>(&buffer),
0,
nullptr
);
std::string message;
if (length > 0 && buffer != nullptr) {
message = std::string(buffer, length);
// Remove trailing newlines
while (!message.empty() && (message.back() == '\n' || message.back() == '\r')) {
message.pop_back();
}
LocalFree(buffer);
} else {
message = "(FormatMessage failed)";
}
return message;
}
} // anonymous namespace
#endif
std::string GetPlatformError() {
sdl3cpp::logging::TraceGuard trace;
#ifdef _WIN32
DWORD win32Error = ::GetLastError();
if (win32Error != ERROR_SUCCESS) {
return "Win32 error " + std::to_string(win32Error) + ": " + FormatWin32Error(win32Error);
}
return "No platform error";
#else
return "No platform error";
#endif
}
} // namespace sdl3cpp::platform