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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| #ifdef __linux__ | ||
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| #include "platform.h" | ||
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| namespace platform | ||
| { | ||
| namespace linux | ||
| { | ||
| std::optional<std::string> exec(const char* cmd) | ||
| { | ||
| char buffer[128]; | ||
| std::string result{}; | ||
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| FILE* pipe = popen(cmd, "r"); | ||
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| if (!pipe) return std::nullopt; | ||
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| while (fgets(buffer, sizeof(buffer), pipe) != nullptr) { | ||
| result += buffer; | ||
| } | ||
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| pclose(pipe); | ||
| return result; | ||
| } | ||
| } // namespace linux | ||
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| namespace util | ||
| { | ||
| // TODO | ||
| std::string to_utf8(const wchar_t* wptr, size_t wlen) | ||
| { | ||
| if (!wptr) return {}; | ||
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| if (wlen == 0) | ||
| wlen = std::char_traits<wchar_t>::length(wptr); | ||
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| return {}; | ||
| } | ||
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| std::wstring to_utf16(const char*, size_t) | ||
| { | ||
| return {}; | ||
| } | ||
| } // namespace util | ||
| } | ||
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| #endif // __linux__ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| #ifdef _WIN32 | ||
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| #include "platform.h" | ||
| #include <windows.h> | ||
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| namespace platform | ||
| { | ||
| namespace windows | ||
| { | ||
| // https://learn.microsoft.com/en-us/windows/win32/sysinfo/registry-value-types | ||
| // REG_DWORD : A 32-bit number. | ||
| // REG_QWORD : A 64-bit number. | ||
| std::optional<DWORD> reg_read_dword(HKEY key, const char* subkey, const char* valuename) | ||
| { | ||
| DWORD value = 0; | ||
| DWORD size = sizeof(uint32_t); | ||
| if (RegGetValueA(key, subkey, valuename, RRF_RT_REG_DWORD, nullptr, &value, &size) == ERROR_SUCCESS) { | ||
| return value; | ||
| } | ||
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| return std::nullopt; | ||
| } | ||
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| // REG_SZ : A null - terminated string. | ||
| // It's either a Unicode or an ANSI string, | ||
| // depending on whether you use the Unicode or ANSI functions. | ||
| std::optional<std::string> reg_read_string(HKEY key, const char* subkey, const char* valuename) | ||
| { | ||
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| DWORD size = 0; | ||
| if (RegGetValueA(key, subkey, valuename, RRF_RT_REG_SZ, nullptr, nullptr, &size) != ERROR_SUCCESS) { | ||
| return std::nullopt; | ||
| } | ||
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| std::string value(size, {}); | ||
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| if (RegGetValueA(key, subkey, valuename, RRF_RT_REG_SZ, nullptr, reinterpret_cast<LPBYTE>(&value[0]), &size) != ERROR_SUCCESS) { | ||
| return std::nullopt; | ||
| } | ||
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| return value; | ||
| } | ||
| } // namespace windows | ||
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| namespace util | ||
| { | ||
| // the null-terminating-character is guaranteed by std::string | ||
| std::string to_utf8(const wchar_t* wptr, size_t wlen) | ||
| { | ||
| if (!wptr) return {}; | ||
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| if (wlen == 0) | ||
| wlen = std::char_traits<wchar_t>::length(wptr); | ||
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| // non-null character | ||
| size_t mlen = WideCharToMultiByte(CP_UTF8, 0, wptr, static_cast<int>(wlen), nullptr, 0, nullptr, nullptr); | ||
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| std::string mstr(mlen, {}); | ||
| WideCharToMultiByte(CP_UTF8, 0, wptr, static_cast<int>(wlen), mstr.data(), static_cast<int>(mstr.size()), nullptr, nullptr); | ||
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| return std::move(mstr); | ||
| } | ||
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| std::wstring to_utf16(const char* mstr, size_t mlen) | ||
| { | ||
| if (!mstr) return {}; | ||
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| if (mlen == 0) | ||
| mlen = std::char_traits<char>::length(mstr); | ||
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| // non-null character | ||
| size_t wlen = MultiByteToWideChar(CP_UTF8, 0, mstr, static_cast<int>(mlen), nullptr, 0); | ||
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| std::wstring wstr(wlen, {}); | ||
| MultiByteToWideChar(CP_UTF8, 0, mstr, static_cast<int>(mlen), wstr.data(), static_cast<int>(wstr.size())); | ||
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| return wstr; | ||
| } | ||
| } // namespace util | ||
| } | ||
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| #endif // _WIN32 |