Method ExportKey

WinArk/RegExportImport.cpp:33–77

}

bool RegExportImport::ExportKey(HKEY hKey, HANDLE hFile, PCWSTR section) const {
	WriteString(hFile, CString(L"[") + section + L"]\n");

	RegistryKey key(hKey, false);
	Registry::EnumKeyValues(hKey, [&](auto type, auto name, auto size) {
		CString sname(name);
		if (sname.IsEmpty())
			sname = L"@";
		else
			sname = L"\"" + sname + L"\"";

		auto data = std::make_unique<BYTE[]>(size + 3);
		auto count{ size };
		if (ERROR_SUCCESS != key.QueryValue(name, nullptr, data.get(), &count))
			return true;

		switch (type)
		{
			case REG_DWORD:
				// c++20 https://www.modernescpp.com/index.php/std-format-in-c-20
				WriteString(hFile, sname + (L"=dword:" + std::format(L"{:08x}\n", *(DWORD*)data.get())).c_str());
				break;

			case REG_SZ: {
				CString text(data.get());
				text.Replace(L"\"", L"\\\"");
				WriteString(hFile, sname + L"=\"" + text + L"\"\n");
				break;
			}

			case REG_BINARY:
				WriteString(hFile, sname + L"=hex:" + BytesToString(data.get(), count) + L"\n");
				break;

			default:
				WriteString(hFile, sname + std::format(L"=hex({:x}):", type).c_str() +
					BytesToString(data.get(), count) + L"\n");
				break;
		}

		return true;
		});
	WriteString(hFile, L"\n");
	return true;
}

CString RegExportImport::BytesToString(BYTE const* data, DWORD count) {
	CString text, chars;