xorn/src/backend/gnet_redac.py

   1 # gaf.netlist - gEDA Netlist Extraction and Generation
   2 # Copyright (C) 1998-2010 Ales Hvezda
   3 # Copyright (C) 1998-2010 gEDA Contributors (see ChangeLog for details)
   4 # Copyright (C) 2013-2020 Roland Lutz
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software Foundation,
  18 # Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19
  20 # RACAL-REDAC / Cadstar netlist format by Wojciech Kazubski 2003
  21
  22 class NewlineReplacer:
  23     def __init__(self, f):
  24         self.f = f
  25
  26     def write(self, s):
  27         self.f.write(str(s).replace('\n', '\r\n'))
  28
  29 def run(f, netlist):
  30     f = NewlineReplacer(f)
  31     f.write('.PCB\n')
  32     f.write('.REM CREATED BY gEDA GNETLIST\n')
  33     f.write('.CON\n')
  34     f.write('.COD 2\n')
  35     f.write('\n')
  36     for net in reversed(netlist.nets):
  37         f.write('.REM %s\n' % net.name)
  38         # Display the individual net connections
  39         k = 7
  40         for i, pin in enumerate(reversed(net.connections)):
  41             item = '%s %s' % (pin.package.refdes, pin.number)
  42             f.write(item)
  43             if i == len(net.connections) - 1:
  44                 continue
  45             if k > 0:
  46                 f.write(' ')
  47                 k -= 1
  48             else:
  49                 f.write('\n' + item + ' ')
  50                 k += 6
  51         f.write('\n')
  52     f.write('.EOD\n')