# Copyright (c) P.J.Gawthrop, 1996.

###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.8  1996/08/05 20:12:43  peter
## Now writes a _fig.fig file.
##
## Revision 1.7  1996/08/05 18:44:56  peter
## Now writes out a _cbg file without ----- symbol.
##
## Revision 1.6  1996/08/05 12:17:37  peter
## n_ports now appear in the _abg file instead.
##
## Revision 1.5  1996/08/05 12:01:28  peter

      }
# It is terminated by /001 - so delete this termination
  str = substr(str,1,length(str)-4);

# A component string contain only alphanumeric  _ and :
  isa_plain_component = match(str, component_regexp)==0;

# A port is an integer within []
  isa_port = exact_match(str, port_regexp)>0;
# A port is an integer within [] and no alpha characters
  isa_port = (match(str, port_regexp)>0)&&(match(str, nonport_regexp)==0);

# A port component is SS followed by : followed by a port string
  isa_port_component = 0;
  if (match(str, delimiter)) {
    split(str,a,delimiter);
    isa_port_component = (exact_match(a[1], "SS"))&&
      (match(a[2], port_regexp)>0)
      }
    
# A component is a plain or a port component
  isa_component = isa_plain_component||isa_port_component;

# Coordinates in fields 12 & 13
  x_coord = $12;
  y_coord = $13;

# Do the ports
  if (isa_port) {
    i_port++;
    port_index = substr(str,2,length(str)-2);
    ports[i_port] = sprintf("%s %s %s", x_coord, y_coord, port_index);
  }

# Do the port components
  if (isa_port_component) {
    i_port_component++;
    # Port number is the bit between the []
    port_number  = substr(a[2],2,length(a[2])-2);
    x_port[port_number] = x_coord;

# Save in associative arrays by name	
    comp_type[name] = type;
    x[name] = x_coord;
    y[name] = y_coord;
    info[name] =  fig_info();
  }

  if (isa_port) {
    i_port++;
    port_index = substr(str,2,length(str)-2);
    ports[i_port] = sprintf("%s %s %s", x_coord, y_coord, port_index);
  }
}

function process_bond() {

  arg_count++;
  if ( (arg_count-arrow)==1 ) 
    {

  default_cr = "";
  default_args = "";
  delimiter = ":";
  q = "\047";
  terminator = "\\001";
  component_regexp = "[^0-9a-zA-Z_:]";
  port_regexp = "\[[0-9]*\]";
  nonport_regexp = "a-zA-Z";
    
  isa_fig_file = 0;
  min_line_length = 10;
  object = 0;
  polyline = 2;
  sub_polyline=1; 
  firm_style = 0;

      printf("\tcr = %s%s%s;\n", q, cr, q) >> c_file;
      printf("\targ = %s%s%s;\n", q, arg, q) >> c_file;
      print "end" >> c_file
	}
  }
  printf("];\n") >> b_file;

# Print the ports list
  printf("rports = [\n") >> b_file;
  for (i = 1; i <= i_port; i++)
    print  ports[i] >> b_file;
  printf("];\n\n") >> b_file;

# Print the number of ports
  printf("n_ports = %1.0f;\n", i_port_component) >> b_file;

  

}