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#include "config.h"
#include "strutils.h"
#include <cstdlib>
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
std::string wstr_to_utf8(std::wstring_view wstr)
{
std::string ret;
int len{WideCharToMultiByte(CP_UTF8, 0, wstr.data(), static_cast<int>(wstr.length()), nullptr,
0, nullptr, nullptr)};
if(len > 0)
{
ret.resize(len);
WideCharToMultiByte(CP_UTF8, 0, wstr.data(), static_cast<int>(wstr.length()), &ret[0], len,
nullptr, nullptr);
}
return ret;
}
std::wstring utf8_to_wstr(std::string_view str)
{
std::wstring ret;
int len{MultiByteToWideChar(CP_UTF8, 0, str.data(), static_cast<int>(str.length()), nullptr,
0)};
if(len > 0)
{
ret.resize(len);
MultiByteToWideChar(CP_UTF8, 0, str.data(), static_cast<int>(str.length()), &ret[0], len);
}
return ret;
}
#endif
namespace al {
std::optional<std::string> getenv(const char *envname)
{
#ifdef _GAMING_XBOX
const char *str{::getenv(envname)};
#else
const char *str{std::getenv(envname)};
#endif
if(str && str[0] != '\0')
return str;
return std::nullopt;
}
#ifdef _WIN32
std::optional<std::wstring> getenv(const WCHAR *envname)
{
const WCHAR *str{_wgetenv(envname)};
if(str && str[0] != L'\0')
return str;
return std::nullopt;
}
#endif
} // namespace al
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