Error RegistryKey::getStringValue(std::string name, std::string *pValue)
{
if (!hKey_)
return systemError(ERROR_INVALID_HANDLE, ERROR_LOCATION);
std::vector<char> buffer;
buffer.reserve(260);
while (true)
{
DWORD type;
DWORD size = buffer.capacity();
LONG result = ::RegQueryValueEx(hKey_,
name.c_str(),
NULL,
&type,
(LPBYTE)(&buffer[0]),
&size);
switch (result)
{
case ERROR_SUCCESS:
{
if (type != REG_SZ && type != REG_EXPAND_SZ)
return systemError(ERROR_INVALID_DATATYPE, ERROR_LOCATION);
*pValue = std::string(&buffer[0], buffer.capacity());
// REG_SZ and friends may or may not be null-terminated.
// So trim the string at the first null, if any.
size_t idxNull = pValue->find('\0');
if (idxNull != std::string::npos)
pValue->resize(idxNull);
if (type == REG_EXPAND_SZ)
{
Error error = expandEnvironmentVariables(*pValue, pValue);
if (error)
return error;
}
return Success();
}
case ERROR_MORE_DATA:
buffer.reserve(size);
continue;
default:
return systemError(result, ERROR_LOCATION);
}
}
}
void CFileSystemObject::setPath(const QString& path)
{
if (path.isEmpty())
{
*this = CFileSystemObject();
return;
}
_rootFileSystemId = std::numeric_limits<uint64_t>::max();
_fileInfo.setFile(expandEnvironmentVariables(path));
refreshInfo();
}
CFileSystemObject::CFileSystemObject(const QString& path) : _fileInfo(expandEnvironmentVariables(path))
{
refreshInfo();
}
