mirror of https://github.com/axmolengine/axmol.git
70 lines
1.4 KiB
C++
70 lines
1.4 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(std::wstring_view wstr)
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{
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std::string ret;
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int len{WideCharToMultiByte(CP_UTF8, 0, wstr.data(), static_cast<int>(wstr.length()), nullptr,
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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.data(), static_cast<int>(wstr.length()), &ret[0], len,
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nullptr, nullptr);
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}
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return ret;
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}
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std::wstring utf8_to_wstr(std::string_view str)
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{
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std::wstring ret;
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int len{MultiByteToWideChar(CP_UTF8, 0, str.data(), static_cast<int>(str.length()), nullptr,
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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.data(), static_cast<int>(str.length()), &ret[0], len);
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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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std::optional<std::string> getenv(const char *envname)
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{
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#ifdef _GAMING_XBOX
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const char *str{::getenv(envname)};
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#else
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const char *str{std::getenv(envname)};
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#endif
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if(str && str[0] != '\0')
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return str;
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return std::nullopt;
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}
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#ifdef _WIN32
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std::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 str;
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return std::nullopt;
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}
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#endif
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} // namespace al
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