Simply avoid warnings of modern gcc

[enscript.git] / states / hl / lang_rtf.st

/*
 * Definition for RTF output
 * Kevin Grover, <grover@wizard.com>
 */

state lang_rtf
{
  BEGIN {
    sub rtf_color_map()
      {
        local i;

        print ("{\\colortbl;");
        for (i = 0; i < length (rgb_values); i = i + 1)
          print (sprintf ("\\red%d\\green%d\\blue%d;",
                          rgb_values[i][1],
                          rgb_values[i][2],
                          rgb_values[i][3]));

        print ("}\n");

        return;
      }

    sub language_color (name)
      {
        local idx;

        idx = color_index (name);
        if (idx < 0)
          panic ("unknown color `", name, "'");

        return sprintf("\\cf%d", idx + 1);
      }

    LANGUAGE_SPECIALS = /[\\{}\n]/;

    sub language_print (str)
      {
        str = regsuball (str, /\\\\/, "\\\\");
        str = regsuball (str, /{/, "\\{");
        str = regsuball (str, /}/, "\\}");
        str = regsuball (str, /\n/, "\\line\n");
        print (str);
      }

    sub language_symbol (symbol)
      {
        return false;
      }

    sub header ()
      {
        local i;

        if (current_input_file == 1)
          {
            print ("{\\rtf\\ansi\\deff0\n");
            print ("{\\fonttbl{\\f0\\fswiss Courier New;}}\n");
            rtf_color_map();
          }
      }

    sub trailer ()
      {
        if (current_input_file == int (num_input_files))
          print ("}\n");
      }

    sub color_on (name)
      {
        print ("{", name, " ");
      }

    sub color_off ()
      {
        print ("}");
      }

    sub face_on (face)
      {
        if (face[boldp] || face[italicp])
          {
            print ("{");
            if (face[boldp])
              print ("\\b");
            if (face[italicp])
              print ("\\i");
            print (" ");
          }

        if (face[fg_color])
          color_on (face[fg_color]);
      }

    sub face_off (face)
      {
        if (face[fg_color])
          color_off ();
        if (face[boldp] || face[italicp])
          print ("}");
      }

    return;
  }
}

\f
/*
Local variables:
mode: c
End:
*/