###################################### 
##### Model Transformation Tools #####
######################################

# gawk script: rbg_fig2m.awk
# Raw  bond-graph conversion from fig to matlab
# P.J.Gawthrop June 1996
# Copyright (c) P.J.Gawthrop, 1996.

###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.34  1999/02/17 06:23:49  peterg
## Bugs arising from Fig 3.2 fixed
##
## -- depth now zero modulo 10 (3.2 defaults to depth 100!!)
## -- horrible bug using = in place of == fixed.
##
## Revision 1.33  1998/08/10 15:51:06  peterg
## Comments may now be prefaced by # as well as %
##
## Revision 1.32  1998/07/27 20:30:03  peterg
## *** empty log message ***
##
## Revision 1.31  1998/04/16 13:18:13  peterg

}
}

function process_fig() {
# Test for the fig format first line and data line
  data_line = (match($1,data_symbol)>0);
  first_line = (data_line==0)&&(NF>min_line_length);

#Process firstline
  if (first_line) {
    object = $1;
    sub_type = $2;
    style = $3;
    zero_depth = ((modulo10($7)==0)&&(object==polyline)) || ((modulo10($4)==0)&&(object==text))
    f_arrow = ($14==1)&&(object=polyline);
    b_arrow = ($15==1)&&(object=polyline);
    arrow = f_arrow||b_arrow;
    arg_count = 0;
  }

#Process text
  if (object==text) {
    process_text();
    object = 0; # Text on one line so reset object to zero- avoids compound problem
      }

# Process bond
isa_bond = (zero_depth &&\
       (object==polyline)&& \
       (sub_type==sub_polyline)&& \
       (style==firm_style) \

  isa_fig_file = 0;
  min_line_length = 10;
  object = 0;
  polyline = 2;
  sub_polyline=1; 
  firm_style = 0;
  text = 4;
  compound_object = 6;
  bond_coords = 3;
  stroke_coords = 2;
  arrow_coords = 2;

  i_bond = 0;
  i_port = 0;
  i_stroke = 0;