public class OBrailler {
  
  char dotChar = 'o';
  int indent = 3;
  
  public OBrailler() { }
  public OBrailler(char dot) { dotChar = dot; }

  public String getBraille(String s, int lineLength) { // better implemented as a stream?
    StringBuffer line1=new StringBuffer(),
                 line2=new StringBuffer(),
                 line3=new StringBuffer(),
                 theBraille = new StringBuffer();
    if (s==null) return null;
    StringBuffer curWord;
    for(int i=0; i<s.length(); ) {
      curWord = new StringBuffer();
      while(i<s.length() && !Character.isWhitespace(s.charAt(i))) {
        curWord.append(s.charAt(i));
        i++;
      }
      while(i<s.length() && Character.isWhitespace(s.charAt(i))) {
        curWord.append(s.charAt(i));
        i++;
      }
      if (line1.length() != 0 && line1.length()+5*curWord.length() > lineLength) {
        theBraille.append(line1);
        theBraille.append('\n');
        theBraille.append(line2);
        theBraille.append('\n');
        theBraille.append(line3);
        theBraille.append("\n\n");
        line1=new StringBuffer();
        line2=new StringBuffer();
        line3=new StringBuffer();
      }
      //System.out.println("drawing "+curWord);
      for(int j=0; j<curWord.length(); j++) {
        if (line1.length()+5 > lineLength) {
          theBraille.append(line1);
          theBraille.append('\n');
          theBraille.append(line2);
          theBraille.append('\n');
          theBraille.append(line3);
          theBraille.append("\n\n");
          line1=new StringBuffer();
          line2=new StringBuffer();
          line3=new StringBuffer();
        }
        boolean[] theDots = Brailler.getDots(curWord.charAt(j));
        if (theDots == null) {
          String cs = ""+curWord.charAt(j)+curWord.charAt(j)+curWord.charAt(j);
          line1.append(cs+"  ");
          line2.append(cs+"  ");
          line3.append(cs+"  ");
        }
        else {
          if (theDots[0]) line1.append(dotChar+" ");
          else            line1.append(       "  ");
          if (theDots[1]) line2.append(dotChar+" ");
          else            line2.append(       "  ");
          if (theDots[2]) line3.append(dotChar+" ");
          else            line3.append(       "  ");
          if (theDots[3]) line1.append(dotChar+"  ");
          else            line1.append(       "   ");
          if (theDots[4]) line2.append(dotChar+"  ");
          else            line2.append(       "   ");
          if (theDots[5]) line3.append(dotChar+"  ");
          else            line3.append(       "   ");
        }
        if (curWord.charAt(j)=='\r' || curWord.charAt(j)=='\n') {
          theBraille.append(line1);
          theBraille.append('\n');
          theBraille.append(line2);
          theBraille.append('\n');
          theBraille.append(line3);
          theBraille.append("\n\n");
          line1=new StringBuffer("               "); // 15 spaces
          line2=new StringBuffer("               ");
          line3=new StringBuffer("               ");
        }
      }
    }
    theBraille.append(line1);
    theBraille.append('\n');
    theBraille.append(line2);
    theBraille.append('\n');
    theBraille.append(line3);
    return theBraille.toString();
  }
  
  public static void main(String[] args) throws Exception {
    if (args.length==0) {
      System.out.println("Use: java OBrailer [-raw] [-l lineLength] [-c dotChar] text");
      System.exit(0);
    }
    boolean raw=false;
    char dotChar='o';
    int lineLength = 80;
    int curArg = 0;
    while(args[curArg].charAt(0)=='-') {
      if (args[curArg].charAt(1)=='r') raw=true;
      if (args[curArg].charAt(1)=='l') lineLength = Integer.parseInt(args[++curArg]);
      if (args[curArg].charAt(1)=='c') dotChar    = args[++curArg].charAt(0);
      curArg++;
    }
    String s=args[curArg];
    for(int i=curArg+1; i<args.length; i++) s = s + " " + args[i];
    if (!raw) {
      try {
        java.io.ByteArrayOutputStream out = new java.io.ByteArrayOutputStream(s.length()*2);
        BrailleOutputStream bOut = new BrailleOutputStream(out);
        bOut.write(s.getBytes());
        bOut.flush();
        s = out.toString();
      }
      catch (java.io.IOException e) { System.out.println(e); } // should never get this
    }
    OBrailler theBrailler = new OBrailler(dotChar);
    String br = theBrailler.getBraille(s, lineLength);
    System.out.println(br);
  }
  
}