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
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* instrumentparser.cc
*
* Wed Mar 9 13:22:24 CET 2011
* Copyright 2011 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* DrumGizmo 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "instrumentparser.h"
#include <string.h>
#include <stdio.h>
#include <hugin.hpp>
#include "cpp11fix.h"
#include "path.h"
#include "nolocale.h"
InstrumentParser::InstrumentParser(Instrument& instrument)
: instrument(instrument)
{
}
int InstrumentParser::parseFile(const std::string& filename)
{
path = getPath(filename);
return SAXParser::parseFile(filename);
}
void InstrumentParser::startTag(const std::string& name, const attr_t& attr)
{
if(name == "instrument")
{
if(attr.find("name") != attr.end())
{
instrument._name = attr.at("name");
}
if(attr.find("description") != attr.end())
{
instrument._description = attr.at("description");
}
if(attr.find("version") != attr.end())
{
try
{
instrument.version = VersionStr(attr.at("version"));
}
catch(const char* err)
{
ERR(instrparser, "Error parsing version number: %s, using 1.0\n", err);
instrument.version = VersionStr(1,0,0);
}
}
else
{
WARN(instrparser, "Missing version number, assuming 1.0\n");
instrument.version = VersionStr(1,0,0);
}
}
if(name == "samples")
{
}
if(name == "sample")
{
if(attr.find("name") == attr.end())
{
ERR(instrparser,"Missing required attribute 'name'.\n");
return;
}
float power;
if(attr.find("power") == attr.end())
{
power = -1;
}
else
{
power = atof_nol(attr.at("power").c_str());
DEBUG(instrparser, "Instrument power set to %f\n", power);
}
// TODO get rid of new or delete it properly
sample = new Sample(attr.at("name"), power);
}
if(name == "audiofile")
{
if(sample == nullptr)
{
ERR(instrparser,"Missing Sample!\n");
return;
}
if(attr.find("file") == attr.end())
{
ERR(instrparser,"Missing required attribute 'file'.\n");
return;
}
if(attr.find("channel") == attr.end())
{
ERR(instrparser,"Missing required attribute 'channel'.\n");
return;
}
std::size_t filechannel = 1; // default, override with optional attribute
if(attr.find("filechannel") != attr.end())
{
filechannel = std::stoi(attr.at("filechannel"));
if(filechannel < 1)
{
ERR(instrparser,"Invalid value for attribute 'filechannel'.\n");
filechannel = 1;
}
}
filechannel = filechannel - 1; // 1-based in file but zero-based internally.
auto audio_file = std::make_unique<AudioFile>(path + "/" + attr.at("file"), filechannel);
// note: memory leak! the channels are never released
// once I replaced this using unique_ptr, the channels were
// destroyed when the InstrumentParser went out of scope
// (see drumkitparser.cc, where the InstrumentParser lives in
// local scope).
// so.. we cannot replace this using smart ptr until we decided
// the ownership semantics for instances InstrumentChannel
InstrumentChannel *instrument_channel =
new InstrumentChannel(attr.at("channel"));
channellist.push_back(instrument_channel);
sample->addAudioFile(instrument_channel, audio_file.get());
// Transfer audio_file ownership to the instrument.
instrument.audiofiles.push_back(std::move(audio_file));
}
if(name == "velocities")
{
}
if(name == "velocity")
{
if(attr.find("lower") == attr.end())
{
ERR(instrparser,"Missing required attribute 'lower'.\n");
return;
}
if(attr.find("upper") == attr.end())
{
ERR(instrparser,"Missing required attribute 'upper'.\n");
return;
}
lower = atof_nol(attr.at("lower").c_str());
upper = atof_nol(attr.at("upper").c_str());
}
if(name == "sampleref")
{
if(attr.find("name") == attr.end())
{
ERR(instrparser,"Missing required attribute 'name'.\n");
return;
}
Sample* sample_ref = nullptr;
for(auto& sample : instrument.samplelist)
{
if(sample->name == attr.at("name"))
{
sample_ref = sample;
break;
}
}
if(sample_ref == nullptr)
{
ERR(instrparser,"Samplref pointed at non-existing sample.\n");
return;
}
if(instrument.version == VersionStr("1.0"))
{
// Old "velocity group" algorithm needs this
instrument.addSample(lower, upper, sample_ref);
}
}
}
void InstrumentParser::endTag(const std::string& name)
{
if(name == "sample")
{
if(sample == nullptr)
{
ERR(instrparser,"Missing Sample.\n");
return;
}
instrument.samplelist.push_back(sample);
sample = nullptr;
}
if(name == "instrument") {
instrument.finalise();
}
}
|
