+ string aname (a->name());
+ string bname (b->name());
+
+ string::size_type last_digit_position_a = aname.size();
+ string::reverse_iterator r_iterator = aname.rbegin();
+
+ while (r_iterator!= aname.rend() && Glib::Unicode::isdigit(*r_iterator)) {
+ r_iterator++;
+ last_digit_position_a--;
+ }
+
+ string::size_type last_digit_position_b = bname.size();
+ r_iterator = bname.rbegin();
+
+ while (r_iterator != bname.rend() && Glib::Unicode::isdigit(*r_iterator)) {
+ r_iterator++;
+ last_digit_position_b--;
+ }
+
+ // if some of the names don't have a number as posfix, compare as strings
+
+ if (last_digit_position_a == aname.size() || last_digit_position_b == bname.size()) {
+ return aname < bname;
+ }
+
+ const std::string prefix_a = aname.substr(0, last_digit_position_a - 1);
+ const unsigned int posfix_a = std::atoi(aname.substr(last_digit_position_a, aname.size() - last_digit_position_a).c_str());
+ const std::string prefix_b = bname.substr(0, last_digit_position_b - 1);
+ const unsigned int posfix_b = std::atoi(bname.substr(last_digit_position_b, bname.size() - last_digit_position_b).c_str());
+
+ if (prefix_a != prefix_b) {
+ return aname < bname;
+ } else {
+ return posfix_a < posfix_b;
+ }
+}
+
+
+static bool sort_ports_by_type_and_name (boost::shared_ptr<Port> a, boost::shared_ptr<Port> b)
+{
+ if (a->type() != b->type()) {
+ return a->type() < b->type();
+ }
+
+ return sort_ports_by_name (a, b);