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

###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.23  1998/02/01 18:37:41  peterg
## Don't print irritating warnings about ports listed in lbl files.
##
# Revision 1.22  1997/08/09  14:42:39  peterg
# Added underscore to port regexp
#
## Revision 1.21  1997/08/04 12:49:17  peterg
## Modified to use named (as opposed to numbered) ports.
## Generates a list of component ports in the .rbg file.
## As octave handles string vectors properly, the .cmp file format is not

# Vector port definitions
  isa_PORT = ((match(str, PORT_regexp)>0) && (depth==0));

  if (isa_PORT) {
    print str
  }

# A port component is SS,0 or 1 followed by : followed by a port string
  isa_port_component = 0;
  if (match(str, delimiter)) {
    split(str,a,delimiter);
    isa_port_component = (match(a[1], port_component_regexp))&&
      (match(a[2], port_regexp)>0)
      }
# It must also be specified at depth 0
  isa_port_component = isa_port_component && (depth==0);

# A component is a plain or a port component
  isa_component = isa_plain_component||isa_port_component;

  repetition_regexp = "\\*";
  q = "\047";
  terminator = "\\001";
  component_regexp = "[^0-9a-zA-Z_:\*-]";
  port_regexp = "^\[[a-zA-Z0-9_,]*\]";
  nonport_regexp = "[a-zA-Z]";
  PORT_regexp = "^PORT .*=";  
  port_component_regexp = "SS|0|1";
  isa_fig_file = 0;
  min_line_length = 10;
  object = 0;
  polyline = 2;
  sub_polyline=1; 
  firm_style = 0;
  text = 4;