File indexing completed on 2024-05-05 05:04:07

 #!/usr/bin/python
 
 # manager-file.py: generate .manager files and TpCMParamSpec arrays from the
 # same data (should be suitable for all connection managers that don't have
 # plugins)
 #
 # The master copy of this program is in the telepathy-glib repository -
 # please make any changes there.
 #
 # Copyright (c) Collabora Ltd. <http://www.collabora.co.uk/>
 #
 # This library is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public
 # License as published by the Free Software Foundation; either
 # version 2.1 of the License, or (at your option) any later version.
 #
 # This library is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 # Lesser General Public License for more details.
 #
 # You should have received a copy of the GNU Lesser General Public
 # License along with this library; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 import re
 import sys
 import os
 
 _NOT_C_STR = re.compile(r'[^A-Za-z0-9_-]')
 
 def c_string(x):
     # whitelist-based brute force and ignorance - escape nearly all punctuation
     return '"' + _NOT_C_STR.sub(lambda c: r'\x%02x' % ord(c), x) + '"'
 
 def desktop_string(x):
     return x.replace(' ', r'\s').replace('\n', r'\n').replace('\r', r'\r').replace('\t', r'\t')
 
 supported = list('sbuiqn')
 
 fdefaultencoders = {
         's': desktop_string,
         'b': (lambda b: b and '1' or '0'),
         'u': (lambda n: '%u' % n),
         'i': (lambda n: '%d' % n),
         'q': (lambda n: '%u' % n),
         'n': (lambda n: '%d' % n),
         }
 for x in supported: assert x in fdefaultencoders
 
 gtypes = {
         's': 'G_TYPE_STRING',
         'b': 'G_TYPE_BOOLEAN',
         'u': 'G_TYPE_UINT',
         'i': 'G_TYPE_INT',
         'q': 'G_TYPE_UINT',
         'n': 'G_TYPE_INT',
 }
 for x in supported: assert x in gtypes
 
 gdefaultencoders = {
         's': c_string,
         'b': (lambda b: b and 'GINT_TO_POINTER (TRUE)' or 'GINT_TO_POINTER (FALSE)'),
         'u': (lambda n: 'GUINT_TO_POINTER (%u)' % n),
         'i': (lambda n: 'GINT_TO_POINTER (%d)' % n),
         'q': (lambda n: 'GUINT_TO_POINTER (%u)' % n),
         'n': (lambda n: 'GINT_TO_POINTER (%d)' % n),
         }
 for x in supported: assert x in gdefaultencoders
 
 gdefaultdefaults = {
         's': 'NULL',
         'b': 'GINT_TO_POINTER (FALSE)',
         'u': 'GUINT_TO_POINTER (0)',
         'i': 'GINT_TO_POINTER (0)',
         'q': 'GUINT_TO_POINTER (0)',
         'n': 'GINT_TO_POINTER (0)',
         }
 for x in supported: assert x in gdefaultdefaults
 
 gflags = {
         'has-default': 'TP_CONN_MGR_PARAM_FLAG_HAS_DEFAULT',
         'register': 'TP_CONN_MGR_PARAM_FLAG_REGISTER',
         'required': 'TP_CONN_MGR_PARAM_FLAG_REQUIRED',
         'secret': 'TP_CONN_MGR_PARAM_FLAG_SECRET',
         'dbus-property': 'TP_CONN_MGR_PARAM_FLAG_DBUS_PROPERTY',
 }
 
 def write_manager(f, manager, protos):
     # pointless backwards compat section
     print('[ConnectionManager]', file=f)
     print('BusName=org.freedesktop.Telepathy.ConnectionManager.' + manager, file=f)
     print('ObjectPath=/org/freedesktop/Telepathy/ConnectionManager/' + manager, file=f)
 
     # protocols
     for proto, params in protos.items():
         print(file=f)
         print('[Protocol %s]' % proto, file=f)
 
         defaults = {}
 
         for param, info in params.items():
             dtype = info['dtype']
             flags = info.get('flags', '').split()
             struct_field = info.get('struct_field', param.replace('-', '_'))
             filter = info.get('filter', 'NULL')
             filter_data = info.get('filter_data', 'NULL')
             setter_data = 'NULL'
 
             if 'default' in info:
                 default = fdefaultencoders[dtype](info['default'])
                 defaults[param] = default
 
             if flags:
                 flags = ' ' + ' '.join(flags)
             else:
                 flags = ''
 
             print('param-%s=%s%s' % (param, desktop_string(dtype), flags), file=f)
 
         for param, default in defaults.items():
             print('default-%s=%s' % (param, default), file=f)
 
 def write_c_params(f, manager, proto, struct, params):
     print("static const TpCMParamSpec %s_%s_params[] = {" % (manager, proto), file=f)
 
     for param, info in params.items():
         dtype = info['dtype']
         flags = info.get('flags', '').split()
         struct_field = info.get('struct_field', param.replace('-', '_'))
         filter = info.get('filter', 'NULL')
         filter_data = info.get('filter_data', 'NULL')
         setter_data = 'NULL'
 
         if 'default' in info:
             default = gdefaultencoders[dtype](info['default'])
         else:
             default = gdefaultdefaults[dtype]
 
         if flags:
             flags = ' | '.join([gflags[flag] for flag in flags])
         else:
             flags = '0'
 
         if struct is None or struct_field is None:
             struct_offset = '0'
         else:
             struct_offset = 'G_STRUCT_OFFSET (%s, %s)' % (struct, struct_field)
 
         print(('''  { %s, %s, %s,
     %s,
     %s, /* default */
     %s, /* struct offset */
     %s, /* filter */
     %s, /* filter data */
     %s /* setter data */ },''' %
                 (c_string(param), c_string(dtype), gtypes[dtype], flags,
                     default, struct_offset, filter, filter_data, setter_data)), file=f)
 
     print("  { NULL }", file=f)
     print("};", file=f)
 
 if __name__ == '__main__':
     environment = {}
     exec(compile(open(sys.argv[1], "rb").read(), sys.argv[1], 'exec'), environment)
 
     filename = '%s/%s.manager' % (sys.argv[2], environment['MANAGER'])
     try:
         os.remove(filename)
     except OSError:
         pass
     f = open(filename + '.tmp', 'w')
     write_manager(f, environment['MANAGER'], environment['PARAMS'])
     f.close()
     os.rename(filename + '.tmp', filename)
 
     filename = '%s/param-spec-struct.h' % sys.argv[2]
     try:
         os.remove(filename)
     except OSError:
         pass
     f = open(filename + '.tmp', 'w')
     for protocol in environment['PARAMS']:
         write_c_params(f, environment['MANAGER'], protocol,
                 environment['STRUCTS'][protocol],
                 environment['PARAMS'][protocol])
     f.close()
     os.rename(filename + '.tmp', filename)