Method GetDataAsString

WinArk/Registry.cpp:276–345

}

CString Registry::GetDataAsString(RegistryKey& key, const RegistryItem& item) {
	auto realsize = item.Size;
	ULONG size = std::min<ULONG>(realsize, 512UL) / sizeof(WCHAR);
	LSTATUS status;
	CString text;
	DWORD type;

	switch (item.Type)
	{
		case REG_SZ:
		case REG_EXPAND_SZ:
			text = QueryStringValue(key, item.Name).Left(size);
			break;

		case REG_LINK:

			break;

		case REG_MULTI_SZ:
			size *= 2;
			status = ::RegQueryValueEx(key.Get(), item.Name, nullptr, &type, (PBYTE)text.GetBufferSetLength(size / 2), &size);
			if (status == ERROR_SUCCESS) {
				auto p = text.GetBuffer();
				while (*p) {
					p += ::wcslen(p);
					*p = L' ';
					p++;
				}
			}
			break;

		case REG_DWORD:
		{
			DWORD value;
			if (ERROR_SUCCESS == key.QueryDWORDValue(item.Name, value)) {
				text.Format(L"0x%08X (%u)", value, value);
			}
			break;
		}

		case REG_QWORD:
		{
			ULONGLONG value;
			if (ERROR_SUCCESS == key.QueryQWORDValue(item.Name, value)) {
				auto fmt = value < (1LL << 32) ? L"0x%08llX (%llu)" : L"0x%016llX (%llu)";
				text.Format(fmt, value, value);
			}
			break;
		}

		case REG_BINARY:
			CString digit;
			auto buffer = std::make_unique<BYTE[]>(item.Size);
			if (buffer == nullptr)
				break;

			ULONG bytes = item.Size;
			auto status = key.QueryBinaryValue(item.Name, buffer.get(), &bytes);