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