unsigned
Store::child_name_offset(const Raul::Path& parent,
const Raul::Symbol& symbol,
bool allow_zero) const
{
unsigned offset = 0;
while (true) {
std::stringstream ss;
ss << symbol;
if (offset > 0) {
ss << "_" << offset;
}
if (find(parent.child(Raul::Symbol(ss.str()))) == end() &&
(allow_zero || offset > 0)) {
break;
} else if (offset == 0) {
offset = 2;
} else {
++offset;
}
}
return offset;
}
void
Store::rename(const iterator top, const Raul::Path& new_path)
{
const Raul::Path old_path = top->first;
// Remove the object and all its descendants
Objects removed;
remove(top, removed);
// Rename all the removed objects
for (Objects::const_iterator i = removed.begin(); i != removed.end(); ++i) {
const Raul::Path path = (i->first == old_path)
? new_path
: new_path.child(
Raul::Path(i->first.substr(old_path.base().length() - 1)));
i->second->set_path(path);
assert(find(path) == end()); // Shouldn't be dropping objects!
insert(make_pair(path, i->second));
}
}