class SpotParser{
  String [] memory;
  SpotParser(){
    memory = new String[1];
  }
  void addLine(String command){
    if(memory[0] == null){
      memory[0] = command;
    } 
    else {
      memory = append(memory, command);
    }
  }
  void clearMemory(){
    memory = new String[1];
  }
  void save(String fileName){
    if(memory[0] != null){
      saveStrings(fileName, memory);
      println("saved " + fileName);
    } 
    else {
      println("nothing to save");
    }
  }
  void load(String fileName){
    memory = loadStrings(fileName);
    println("spots loaded");
  }
  void export(){
    clearMemory();
    for(int i = 0; i < net.spot.length; i++){
      addLine("spot("+net.spot[i].x+","+net.spot[i].y+","+net.spot[i].id+")"+"wide ="+net.spot[i].wide);
    }
    println("spots added to parser");
  }
  void port(){
    if(memory[0] != null){
      net.spot = new Spot[memory.length];
      for(int i = 0; i < memory.length; i++){
        boolean goodLine = false;
        float [] params = float(split(memory[i].substring(memory[i].indexOf('(')+1, memory[i].lastIndexOf(')')), ","));
        if(memory[i].startsWith("spot")){
          if(params.length == 3){
            net.spot[i] = new Spot(params[0], params[1], int(params[2]));
            goodLine = true;
          } 
          else {
            println("spot parameters incorrect");
          }
        }
        if(!goodLine){
          println("line number:"+i+" bad");
        }
      }
      println("spots read from parser");
    }
  }
}