summaryrefslogtreecommitdiff
path: root/libs/ardour/midi_patch_manager.cc
blob: ab93b173066d46a71cb70c6921a3c5ddf7d1b077 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
/*
    Copyright (C) 2008 Hans Baier

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

    $Id$
*/

#include <boost/shared_ptr.hpp>

#include <glibmm/fileutils.h>

#include "pbd/file_utils.h"
#include "pbd/error.h"

#include "ardour/midi_patch_manager.h"

#include "ardour/search_paths.h"

#include "pbd/i18n.h"

using namespace std;
using namespace ARDOUR;
using namespace MIDI;
using namespace MIDI::Name;
using namespace PBD;

MidiPatchManager* MidiPatchManager::_manager = 0;

MidiPatchManager::MidiPatchManager ()
{
	add_search_path(midi_patch_search_path ());
}

void
MidiPatchManager::add_search_path (const Searchpath& search_path)
{
	for (Searchpath::const_iterator i = search_path.begin(); i != search_path.end(); ++i) {

		if (_search_path.contains(*i)) {
			// already processed files from this path
			continue;
		}

		if (!Glib::file_test (*i, Glib::FILE_TEST_EXISTS)) {
			continue;
		}

		if (!Glib::file_test (*i, Glib::FILE_TEST_IS_DIR)) {
			continue;
		}

		add_midnam_files_from_directory (*i);

		_search_path.add_directory (*i);
	}
}

bool
MidiPatchManager::add_custom_midnam (const std::string& id, const std::string& midnam)
{
	boost::shared_ptr<MIDINameDocument> document;
	document = boost::shared_ptr<MIDINameDocument>(new MIDINameDocument());
	XMLTree mxml;
	if (mxml.read_buffer (midnam, true)) {
		if (0 == document->set_state (mxml, *mxml.root())) {
			document->set_file_path ("custom:" + id);
			add_midi_name_document (document);
			return true;
		}
	}
	return false;
}

bool
MidiPatchManager::remove_custom_midnam (const std::string& id)
{
	return remove_midi_name_document ("custom:" + id);
}

bool
MidiPatchManager::update_custom_midnam (const std::string& id, const std::string& midnam)
{
	remove_midi_name_document ("custom:" + id, false);
	return add_custom_midnam (id, midnam);
}

void
MidiPatchManager::add_midnam_files_from_directory(const std::string& directory_path)
{
	vector<std::string> result;
	find_files_matching_pattern (result, directory_path, "*.midnam");

	info << string_compose(
			P_("Loading %1 MIDI patch from %2", "Loading %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) {
		load_midi_name_document (*i);
	}
}

void
MidiPatchManager::remove_search_path (const Searchpath& search_path)
{
	for (Searchpath::const_iterator i = search_path.begin(); i != search_path.end(); ++i) {

		if (!_search_path.contains(*i)) {
			continue;
		}

		remove_midnam_files_from_directory(*i);

		_search_path.remove_directory (*i);
	}
}

void
MidiPatchManager::remove_midnam_files_from_directory(const std::string& directory_path)
{
	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;
}