interpreter/preprocessor/faust-0.9.47mr3/architecture/osclib/faust/src/nodes/FaustNode.cpp

   1 /*
   2
   3   Copyright (C) 2011 Grame
   4
   5   This library is free software; you can redistribute it and/or
   6   modify it under the terms of the GNU Lesser General Public
   7   License as published by the Free Software Foundation; either
   8   version 2.1 of the License, or (at your option) any later version.
   9
  10   This library is distributed in the hope that it will be useful,
  11   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13   Lesser General Public License for more details.
  14
  15   You should have received a copy of the GNU Lesser General Public
  16   License along with this library; if not, write to the Free Software
  17   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  18
  19   Grame Research Laboratory, 9 rue du Garet, 69001 Lyon - France
  20   research@grame.fr
  21
  22 */
  23
  24 #include "FaustNode.h"
  25 #include "Message.h"
  26 #include "OSCStream.h"
  27
  28 namespace oscfaust
  29 {
  30
  31 //--------------------------------------------------------------------------
  32 bool FaustNode::store( float val )
  33 {
  34         *fZone = fMapping.scale(val);
  35         return true;
  36 }
  37
  38 //--------------------------------------------------------------------------
  39 bool FaustNode::accept( const Message* msg )
  40 {
  41         if (msg->size() == 1) {                 // checks for the message parameters count
  42                                                                         // messages with a param count other than 1 are rejected
  43                 int ival; float fval;
  44                 if (msg->param(0, fval)) return store (fval);                           // accepts float values
  45                 else if (msg->param(0, ival)) return store (float(ival));       // but accepts also int values
  46         }
  47         return MessageDriven::accept(msg);
  48 }
  49
  50
  51 //--------------------------------------------------------------------------
  52 void FaustNode::get (unsigned long ipdest ) const
  53 {
  54         unsigned long savedip = oscout.getAddress();            // saves the current destination IP
  55         oscout.setAddress(ipdest);                                                      // sets the osc stream dest IP
  56         // send a state message on 'get' request
  57         oscout << OSCStart(getOSCAddress().c_str()) <<  *fZone << fMapping.fMinOut << fMapping.fMaxOut << OSCEnd();
  58         oscout.setAddress(savedip);                                                     // and restores the destination IP
  59 }
  60
  61 } // end namespoace