+ vector<std::string> result;
+ find_files_matching_pattern (result, directory_path, "*.midnam");
+
+ info << string_compose(
+ P_("Unloading %1 MIDI patch from %2", "Unloading %1 MIDI patches from %2", result.size()),
+ result.size(), directory_path)
+ << endmsg;
+
+ for (vector<std::string>::const_iterator i = result.begin(); i != result.end(); ++i) {
+ remove_midi_name_document (*i);
+ }
+}
+
+bool
+MidiPatchManager::load_midi_name_document (const std::string& file_path)
+{
+ boost::shared_ptr<MIDINameDocument> document;
+ try {
+ document = boost::shared_ptr<MIDINameDocument>(new MIDINameDocument(file_path));
+ }
+ catch (...) {
+ error << string_compose(_("Error parsing MIDI patch file %1"), file_path)
+ << endmsg;
+ return false;
+ }
+ return add_midi_name_document (document);
+}
+
+boost::shared_ptr<MIDINameDocument>
+MidiPatchManager::document_by_model(std::string model_name) const
+{
+ MidiNameDocuments::const_iterator i = _documents.find (model_name);
+ if (i != _documents.end ()) {
+ return i->second;
+ }
+ return boost::shared_ptr<MIDINameDocument> ();
+}
+
+bool
+MidiPatchManager::add_midi_name_document (boost::shared_ptr<MIDINameDocument> document)
+{
+ bool added = false;
+ for (MIDINameDocument::MasterDeviceNamesList::const_iterator device =
+ document->master_device_names_by_model().begin();
+ device != document->master_device_names_by_model().end();
+ ++device) {
+ if (_documents.find(device->first) != _documents.end()) {
+ warning << string_compose(_("Duplicate MIDI device `%1' in `%2' ignored"),
+ device->first,
+ document->file_path()) << endmsg;
+ continue;
+ }
+
+ _documents[device->first] = document;
+ _master_devices_by_model[device->first] = device->second;
+
+ _all_models.insert(device->first);
+ const std::string& manufacturer = device->second->manufacturer();
+ if (_devices_by_manufacturer.find(manufacturer) ==
+ _devices_by_manufacturer.end()) {
+ MIDINameDocument::MasterDeviceNamesList empty;
+ _devices_by_manufacturer.insert(std::make_pair(manufacturer, empty));
+ }
+ _devices_by_manufacturer[manufacturer].insert(
+ std::make_pair(device->first, device->second));
+
+ added = true;
+ // TODO: handle this gracefully.
+ assert(_documents.count(device->first) == 1);
+ assert(_master_devices_by_model.count(device->first) == 1);
+ }
+
+ if (added) {
+ PatchesChanged(); /* EMIT SIGNAL */
+ }
+ return added;
+}
+
+bool
+MidiPatchManager::remove_midi_name_document (const std::string& file_path, bool emit_signal)
+{
+ bool removed = false;
+ for (MidiNameDocuments::iterator i = _documents.begin(); i != _documents.end();) {
+ if (i->second->file_path() == file_path) {
+
+ boost::shared_ptr<MIDINameDocument> document = i->second;
+
+ info << string_compose(_("Removing MIDI patch file %1"), file_path) << endmsg;
+
+ _documents.erase(i++);
+
+ for (MIDINameDocument::MasterDeviceNamesList::const_iterator device =
+ document->master_device_names_by_model().begin();
+ device != document->master_device_names_by_model().end();
+ ++device) {
+
+ _master_devices_by_model.erase(device->first);
+
+ _all_models.erase(device->first);
+
+ const std::string& manufacturer = device->second->manufacturer();
+
+ _devices_by_manufacturer[manufacturer].erase(device->first);
+ }
+ removed = true;
+ } else {
+ ++i;
+ }
+ }
+ if (removed && emit_signal) {
+ PatchesChanged(); /* EMIT SIGNAL */
+ }
+ return removed;