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 (rest[0][0] == 'S') {
  60                         _top_level_type = SelectionCount;
  61                         _banked = true;
  62                         _selection_id = atoi (rest[0].substr (1));
  63                 } else if (isdigit (rest[0][0])) {
  64                         _banked = false;
  65                         _rid = atoi (rest[0]);
  66                 } else {
  67                         return -1;
  68                 }
  69
  70         } else if (path[0] == "bus" || path[0] == "track") {
  71
  72                 _top_level_type = NamedRoute;
  73                 _top_level_name = rest[0];
  74         }
  75
  76         if (path[1] == "gain") {
  77                 _subtype = Gain;
  78
  79         } else if (path[1] == "trim") {
  80                 _subtype = Trim;
  81
  82         } else if (path[1] == "solo") {
  83                 _subtype = Solo;
  84
  85         } else if (path[1] == "mute") {
  86                 _subtype = Mute;
  87
  88         } else if (path[1] == "recenable") {
  89                 _subtype = Recenable;
  90
  91         } else if (path[1] == "balance") {
  92                 _subtype = Balance;
  93
  94         } else if (path[1] == "panwidth") {
  95                 _subtype = PanWidth;
  96
  97         } else if (path[1] == "pandirection") {
  98                 _subtype = PanDirection;
  99
 100         } else if (path[1] == "plugin") {
 101                 if (path.size() == 3 && rest.size() == 3) {
 102                         if (path[2] == "parameter") {
 103                                 _subtype = PluginParameter;
 104                                 _target.push_back (atoi (rest[1]));
 105                                 _target.push_back (atoi (rest[2]));
 106                         } else {
 107                                 return -1;
 108                         }
 109                 } else {
 110                         return -1;
 111                 }
 112         } else if (path[1] == "send") {
 113
 114                 if (path.size() == 3 && rest.size() == 2) {
 115                         if (path[2] == "gain") {
 116                                 _subtype = SendGain;
 117                                 _target.push_back (atoi (rest[1]));
 118                         } else {
 119                                 return -1;
 120                         }
 121                 } else {
 122                         return -1;
 123                 }
 124         }
 125
 126         return 0;
 127 }
 128
 129 uint32_t
 130 ControllableDescriptor::rid () const
 131 {
 132         if (banked()) {
 133                 return _rid + _bank_offset;
 134         }
 135
 136         return _rid;
 137 }
 138
 139 uint32_t
 140 ControllableDescriptor::selection_id () const
 141 {
 142         if (banked()) {
 143                 return _selection_id + _bank_offset;
 144         }
 145
 146         return _selection_id;
 147 }
 148
 149 uint32_t
 150 ControllableDescriptor::target (uint32_t n) const
 151 {
 152         if (n < _target.size()) {
 153                 return _target[n];
 154         }
 155
 156         return 0;
 157 }