tools/gobject-foo.py

   1 #!/usr/bin/python
   2
   3 # gobject-foo.py: generate standard GObject type macros etc.
   4 #
   5 # The master copy of this program is in the telepathy-glib repository -
   6 # please make any changes there.
   7 #
   8 # Copyright (C) 2007-2010 Collabora Ltd. <http://www.collabora.co.uk/>
   9 #
  10 # This library is free software; you can redistribute it and/or
  11 # modify it under the terms of the GNU Lesser General Public
  12 # License as published by the Free Software Foundation; either
  13 # version 2.1 of the License, or (at your option) any later version.
  14 #
  15 # This library is distributed in the hope that it will be useful,
  16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18 # Lesser General Public License for more details.
  19 #
  20 # You should have received a copy of the GNU Lesser General Public
  21 # License along with this library; if not, write to the Free Software
  22 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  23
  24 def gobject_header(head, tail, as_interface=False):
  25     out = []
  26     o = out.append
  27
  28     name = head + '_' + tail
  29     MixedCase = name.replace('_', '')
  30     lower_case = name.lower()
  31     UPPER_CASE = name.upper()
  32
  33     gtype = head.upper() + '_TYPE_' + tail.upper()
  34
  35     o("typedef struct _%s %s;" % (MixedCase, MixedCase))
  36
  37     if as_interface:
  38         o("typedef struct _%sInterface %sInterface;" % (MixedCase, MixedCase))
  39     else:
  40         o("typedef struct _%sClass %sClass;" % (MixedCase, MixedCase))
  41         o("typedef struct _%sPrivate %sPrivate;" % (MixedCase, MixedCase))
  42
  43     o("")
  44     o("GType %s_get_type (void);" % lower_case)
  45     o("")
  46
  47     o("#define %s \\" % gtype)
  48     o("  (%s_get_type ())" % lower_case)
  49
  50     o("#define %s(obj) \\" % UPPER_CASE)
  51     o("  (G_TYPE_CHECK_INSTANCE_CAST ((obj), %s, \\" % gtype)
  52     o("                               %s))" % MixedCase)
  53
  54     if not as_interface:
  55         o("#define %s_CLASS(klass) \\" % UPPER_CASE)
  56         o("  (G_TYPE_CHECK_CLASS_CAST ((klass), %s, \\" % gtype)
  57         o("                            %sClass))" % MixedCase)
  58
  59     o("#define %s_IS_%s(obj) \\" % (head.upper(), tail.upper()))
  60     o("  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), %s))" % gtype)
  61
  62     if as_interface:
  63         o("#define %s_GET_IFACE(obj) \\" % UPPER_CASE)
  64         o("  (G_TYPE_INSTANCE_GET_INTERFACE ((obj), %s, \\" % gtype)
  65         o("                                  %sInterface))" % MixedCase)
  66     else:
  67         o("#define %s_IS_%s_CLASS(klass) \\" % (head.upper(), tail.upper()))
  68         o("  (G_TYPE_CHECK_CLASS_TYPE ((klass), %s))" % gtype)
  69
  70         o("#define %s_GET_CLASS(obj) \\" % UPPER_CASE)
  71         o("  (G_TYPE_INSTANCE_GET_CLASS ((obj), %s, \\" % gtype)
  72         o("                              %sClass))" % MixedCase)
  73
  74     return out
  75
  76 if __name__ == '__main__':
  77     import sys
  78     from getopt import gnu_getopt
  79
  80     options, argv = gnu_getopt(sys.argv[1:], '', ['interface'])
  81
  82     as_interface = False
  83
  84     for opt, val in options:
  85         if opt == '--interface':
  86             as_interface = True
  87
  88     head, tail = argv
  89
  90     print('\n'.join(gobject_header(head, tail, as_interface=as_interface)))