view src/sc_converter.hpp @ 0:add35537fdbb tip

Initial import

//  Copyright 2011, Ian Hobson.
//
//  This file is part of gpsynth.
//
//  gpsynth 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 3 of the License, or
//  (at your option) any later version.
//
//  gpsynth 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 gpsynth in the file COPYING. 
//  If not, see http://www.gnu.org/licenses/.

// Converter class for SuperCollider, handles converting to synthdefs and dot
// graphs

#pragma once

#include "converter.hpp"
#include "sc_grammar.hpp"
#include "synth_graph.hpp"

#include <map>
#include <set>
#include <sstream>
#include <vector>

namespace sc {

class Converter : public ConverterInterface {
  const std::vector<sc::Command>& commands_;
  std::map<sg::Vertex, int> variable_map_;
  std::set<int> available_variables_;
  int variables_created_;
  std::stringstream command_script_;

public:
  Converter(const sc::Grammar& grammar) : commands_(grammar.Commands()) {}
  
  // converts a graph to graphviz DOT format
  std::string ToDOT(const sg::Graph& graph);
  
  // generates a supercollider script intended for realtime use
  void Export(const sg::Graph& graph,
              const std::string& export_folder,
              const std::string& export_name);
  
  // converts a graph to a supercollider synthdef
  std::string ToSynthDef(const sg::Graph& graph,
                         const std::string& synth_name,
                         bool prepare_for_render = true,
                         const std::string& synthdef_path = "");
  
  // generates a supercollider score for the graph
  std::string ToScore(const sg::Graph& graph,
                      const std::string& synth_name,
                      const std::string& score_variable,
                      bool prepare_for_render = true,
                      const std::string& synthdef_path = "",
                      double render_length = 0);
  
private:
  void SynthDefVertex(sg::Vertex vertex, const sg::Graph& graph);
  void SynthDefCommand(sg::Vertex vertex,
                       const sg::Node& node,
                       const sg::Graph& graph);
  void SynthDefSpecial(sg::Vertex vertex,
                       const sg::Node& node,
                       const sg::Graph& graph);
  
  int AssignVariable(sg::Vertex vertex);
  int GetVariable(sg::Vertex vertex);
};

} // sc namespace