void file_storage::update_path_index(internal_file_entry& e)
{
std::string parent = parent_path(e.filename());
if (parent.empty())
{
e.path_index = -1;
}
else
{
// do we already have this path in the path list?
std::vector<std::string>::reverse_iterator p
= std::find(m_paths.rbegin(), m_paths.rend(), parent);
if (p == m_paths.rend())
{
// no, we don't. add it
e.path_index = m_paths.size();
m_paths.push_back(parent);
}
else
{
// yes we do. use it
e.path_index = p.base() - m_paths.begin() - 1;
}
e.set_name(filename(e.filename()).c_str());
}
}
