libs/pbd/controllable_descriptor.cc

   1 /*
   2     Copyright (C) 2009 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17 */
  18
  19 #include "pbd/controllable_descriptor.h"
  20 #include "pbd/strsplit.h"
  21 #include "pbd/convert.h"
  22
  23 using namespace std;
  24 using namespace PBD;
  25
  26 int
  27 ControllableDescriptor::set (const std::string& str)
  28 {
  29         string::size_type first_space = str.find_first_of (" ");
  30
  31         if (first_space == string::npos) {
  32                 return -1;
  33         }
  34
  35         string front = str.substr (0, first_space);
  36         string back = str.substr (first_space);
  37
  38         vector<string> path;
  39         split (front, path, '/');
  40
  41         if (path.size() < 2) {
  42                 return -1;
  43         }
  44
  45         vector<string> rest;
  46         split (back, rest, ' ');
  47
  48         if (rest.size() < 1) {
  49                 return -1;
  50         }
  51
  52         if (path[0] == "route" || path[0] == "rid") {
  53
  54                 _top_level_type = RemoteControlID;
  55
  56                 if (rest[0][0] == 'B') {
  57                         _banked = true;
  58                         _rid = atoi (rest[0].substr (1));
  59                 } else if (isdigit (rest[0][0])) {
  60                         _banked = false;
  61                         _rid = atoi (rest[0]);
  62                 } else {
  63                         return -1;
  64                 }
  65
  66         } else if (path[0] == "bus" || path[0] == "track") {
  67
  68                 _top_level_type = NamedRoute;
  69                 _top_level_name = rest[0];
  70         }
  71
  72         if (path[1] == "gain") {
  73                 _subtype = Gain;
  74
  75         } else if (path[1] == "solo") {
  76                 _subtype = Solo;
  77
  78         } else if (path[1] == "mute") {
  79                 _subtype = Mute;
  80
  81         } else if (path[1] == "recenable") {
  82                 _subtype = Recenable;
  83
  84         } else if (path[1] == "balance") {
  85                 _subtype = Balance;
  86
  87         } else if (path[1] == "panwidth") {
  88                 _subtype = PanWidth;
  89
  90         } else if (path[1] == "pandirection") {
  91                 _subtype = PanDirection;
  92
  93         } else if (path[1] == "plugin") {
  94                 if (path.size() == 3 && rest.size() == 3) {
  95                         if (path[2] == "parameter") {
  96                                 _subtype = PluginParameter;
  97                                 _target.push_back (atoi (rest[1]));
  98                                 _target.push_back (atoi (rest[2]));
  99                         } else {
 100                                 return -1;
 101                         }
 102                 } else {
 103                         return -1;
 104                 }
 105         } else if (path[1] == "send") {
 106
 107                 if (path.size() == 3 && rest.size() == 2) {
 108                         if (path[2] == "gain") {
 109                                 _subtype = SendGain;
 110                                 _target.push_back (atoi (rest[1]));
 111                         } else {
 112                                 return -1;
 113                         }
 114                 } else {
 115                         return -1;
 116                 }
 117         }
 118
 119         return 0;
 120 }
 121
 122 uint32_t
 123 ControllableDescriptor::rid() const
 124 {
 125         if (banked()) {
 126                 return _rid + _bank_offset;
 127         }
 128
 129         return _rid;
 130 }
 131
 132 uint32_t
 133 ControllableDescriptor::target (uint32_t n) const
 134 {
 135         if (n < _target.size()) {
 136                 return _target[n];
 137         }
 138
 139         return 0;
 140 }