|
|
#include "config.h"
|
|
|
|
#include "strutils.h"
|
|
|
|
#include <cstdlib>
|
|
|
|
|
|
#ifdef _WIN32
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#include <windows.h>
|
|
|
|
std::string wstr_to_utf8(const WCHAR *wstr)
|
|
{
|
|
std::string ret;
|
|
|
|
int len = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, nullptr, 0, nullptr, nullptr);
|
|
if(len > 0)
|
|
{
|
|
ret.resize(len);
|
|
WideCharToMultiByte(CP_UTF8, 0, wstr, -1, &ret[0], len, nullptr, nullptr);
|
|
ret.pop_back();
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
std::wstring utf8_to_wstr(const char *str)
|
|
{
|
|
std::wstring ret;
|
|
|
|
int len = MultiByteToWideChar(CP_UTF8, 0, str, -1, nullptr, 0);
|
|
if(len > 0)
|
|
{
|
|
ret.resize(len);
|
|
MultiByteToWideChar(CP_UTF8, 0, str, -1, &ret[0], len);
|
|
ret.pop_back();
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
namespace al {
|
|
|
|
al::optional<std::string> getenv(const char *envname)
|
|
{
|
|
const char *str{std::getenv(envname)};
|
|
if(str && str[0] != '\0')
|
|
return al::make_optional<std::string>(str);
|
|
return al::nullopt;
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
al::optional<std::wstring> getenv(const WCHAR *envname)
|
|
{
|
|
const WCHAR *str{_wgetenv(envname)};
|
|
if(str && str[0] != L'\0')
|
|
return al::make_optional<std::wstring>(str);
|
|
return al::nullopt;
|
|
}
|
|
#endif
|
|
|
|
} // namespace al
|