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8f4155c124
Previously, running `gdbus-codegen` with no arguments would exit successfully with no output. While technically correct, that seems unhelpful. Require at least one interface file to be specified, so the user gets an error message if they don’t specify any. Signed-off-by: Philip Withnall <withnall@endlessm.com>
302 lines
12 KiB
Python
302 lines
12 KiB
Python
# -*- Mode: Python -*-
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# coding=utf-8
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# GDBus - GLib D-Bus Library
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#
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# Copyright (C) 2008-2011 Red Hat, Inc.
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# Copyright (C) 2018 Iñigo Martínez <inigomartinez@gmail.com>
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General
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# Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
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#
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# Author: David Zeuthen <davidz@redhat.com>
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import argparse
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import os
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import sys
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from . import config
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from . import dbustypes
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from . import parser
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from . import codegen
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from . import codegen_docbook
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from .utils import print_error, print_warning
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def find_arg(arg_list, arg_name):
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for a in arg_list:
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if a.name == arg_name:
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return a
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return None
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def find_method(iface, method):
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for m in iface.methods:
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if m.name == method:
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return m
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return None
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def find_signal(iface, signal):
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for m in iface.signals:
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if m.name == signal:
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return m
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return None
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def find_prop(iface, prop):
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for m in iface.properties:
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if m.name == prop:
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return m
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return None
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def apply_annotation(iface_list, iface, method, signal, prop, arg, key, value):
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iface_obj = None
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for i in iface_list:
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if i.name == iface:
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iface_obj = i
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break
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if iface_obj is None:
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print_error('No interface "{}"'.format(iface))
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target_obj = None
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if method:
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method_obj = find_method(iface_obj, method)
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if method_obj is None:
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print_error('No method "{}" on interface "{}"'.format(method, iface))
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if arg:
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arg_obj = find_arg(method_obj.in_args, arg)
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if (arg_obj is None):
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arg_obj = find_arg(method_obj.out_args, arg)
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if (arg_obj is None):
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print_error('No arg "{}" on method "{}" on interface "{}"'.format(arg, method, iface))
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target_obj = arg_obj
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else:
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target_obj = method_obj
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elif signal:
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signal_obj = find_signal(iface_obj, signal)
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if signal_obj is None:
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print_error('No signal "{}" on interface "{}"'.format(signal, iface))
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if arg:
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arg_obj = find_arg(signal_obj.args, arg)
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if (arg_obj is None):
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print_error('No arg "{}" on signal "{}" on interface "{}"'.format(arg, signal, iface))
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target_obj = arg_obj
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else:
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target_obj = signal_obj
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elif prop:
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prop_obj = find_prop(iface_obj, prop)
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if prop_obj is None:
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print_error('No property "{}" on interface "{}"'.format(prop, iface))
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target_obj = prop_obj
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else:
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target_obj = iface_obj
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target_obj.annotations.insert(0, dbustypes.Annotation(key, value))
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def apply_annotations(iface_list, annotation_list):
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# apply annotations given on the command line
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for (what, key, value) in annotation_list:
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pos = what.find('::')
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if pos != -1:
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# signal
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iface = what[0:pos];
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signal = what[pos + 2:]
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pos = signal.find('[')
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if pos != -1:
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arg = signal[pos + 1:]
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signal = signal[0:pos]
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pos = arg.find(']')
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arg = arg[0:pos]
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apply_annotation(iface_list, iface, None, signal, None, arg, key, value)
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else:
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apply_annotation(iface_list, iface, None, signal, None, None, key, value)
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else:
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pos = what.find(':')
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if pos != -1:
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# property
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iface = what[0:pos];
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prop = what[pos + 1:]
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apply_annotation(iface_list, iface, None, None, prop, None, key, value)
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else:
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pos = what.find('()')
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if pos != -1:
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# method
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combined = what[0:pos]
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pos = combined.rfind('.')
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iface = combined[0:pos]
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method = combined[pos + 1:]
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pos = what.find('[')
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if pos != -1:
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arg = what[pos + 1:]
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pos = arg.find(']')
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arg = arg[0:pos]
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apply_annotation(iface_list, iface, method, None, None, arg, key, value)
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else:
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apply_annotation(iface_list, iface, method, None, None, None, key, value)
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else:
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# must be an interface
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iface = what
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apply_annotation(iface_list, iface, None, None, None, None, key, value)
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def codegen_main():
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arg_parser = argparse.ArgumentParser(description='D-Bus code and documentation generator')
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arg_parser.add_argument('files', metavar='FILE', nargs='+',
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help='D-Bus introspection XML file')
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arg_parser.add_argument('--xml-files', metavar='FILE', action='append', default=[],
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help=argparse.SUPPRESS)
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arg_parser.add_argument('--interface-prefix', metavar='PREFIX', default='',
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help='String to strip from D-Bus interface names for code and docs')
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arg_parser.add_argument('--c-namespace', metavar='NAMESPACE', default='',
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help='The namespace to use for generated C code')
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arg_parser.add_argument('--c-generate-object-manager', action='store_true',
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help='Generate a GDBusObjectManagerClient subclass when generating C code')
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arg_parser.add_argument('--c-generate-autocleanup', choices=['none', 'objects', 'all'], default='objects',
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help='Generate autocleanup support')
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arg_parser.add_argument('--generate-docbook', metavar='OUTFILES',
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help='Generate Docbook in OUTFILES-org.Project.IFace.xml')
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arg_parser.add_argument('--pragma-once', action='store_true',
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help='Use "pragma once" as the inclusion guard')
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arg_parser.add_argument('--annotate', nargs=3, action='append', metavar='WHAT KEY VALUE',
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help='Add annotation (may be used several times)')
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group = arg_parser.add_mutually_exclusive_group()
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group.add_argument('--generate-c-code', metavar='OUTFILES',
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help='Generate C code in OUTFILES.[ch]')
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group.add_argument('--header', action='store_true',
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help='Generate C headers')
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group.add_argument('--body', action='store_true',
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help='Generate C code')
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group.add_argument('--interface-info-header', action='store_true',
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help='Generate GDBusInterfaceInfo C header')
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group.add_argument('--interface-info-body', action='store_true',
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help='Generate GDBusInterfaceInfo C code')
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group = arg_parser.add_mutually_exclusive_group()
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group.add_argument('--output', metavar='FILE',
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help='Write output into the specified file')
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group.add_argument('--output-directory', metavar='OUTDIR', default='',
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help='Location to output generated files')
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args = arg_parser.parse_args();
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if len(args.xml_files) > 0:
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print_warning('The "--xml-files" option is deprecated; use positional arguments instead')
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if ((args.generate_c_code is not None or args.generate_docbook is not None) and
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args.output is not None):
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print_error('Using --generate-c-code or --generate-docbook and '
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'--output at the same time is not allowed')
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if args.generate_c_code:
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header_name = args.generate_c_code + '.h'
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h_file = os.path.join(args.output_directory, header_name)
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args.header = True
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c_file = os.path.join(args.output_directory, args.generate_c_code + '.c')
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args.body = True
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elif args.header:
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if args.output is None:
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print_error('Using --header requires --output')
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h_file = args.output
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header_name = os.path.basename(h_file)
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elif args.body:
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if args.output is None:
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print_error('Using --body requires --output')
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c_file = args.output
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header_name = os.path.splitext(os.path.basename(c_file))[0] + '.h'
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elif args.interface_info_header:
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if args.output is None:
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print_error('Using --interface-info-header requires --output')
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if args.c_generate_object_manager:
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print_error('--c-generate-object-manager is incompatible with '
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'--interface-info-header')
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h_file = args.output
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header_name = os.path.basename(h_file)
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elif args.interface_info_body:
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if args.output is None:
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print_error('Using --interface-info-body requires --output')
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if args.c_generate_object_manager:
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print_error('--c-generate-object-manager is incompatible with '
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'--interface-info-body')
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c_file = args.output
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header_name = os.path.splitext(os.path.basename(c_file))[0] + '.h'
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all_ifaces = []
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input_files_basenames = []
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for fname in sorted(args.files + args.xml_files):
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with open(fname, 'rb') as f:
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xml_data = f.read()
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parsed_ifaces = parser.parse_dbus_xml(xml_data)
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all_ifaces.extend(parsed_ifaces)
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input_files_basenames.append(os.path.basename(fname))
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if args.annotate is not None:
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apply_annotations(all_ifaces, args.annotate)
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for i in all_ifaces:
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i.post_process(args.interface_prefix, args.c_namespace)
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docbook = args.generate_docbook
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docbook_gen = codegen_docbook.DocbookCodeGenerator(all_ifaces);
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if docbook:
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ret = docbook_gen.generate(docbook, args.output_directory)
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if args.header:
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with open(h_file, 'w') as outfile:
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gen = codegen.HeaderCodeGenerator(all_ifaces,
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args.c_namespace,
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args.c_generate_object_manager,
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args.c_generate_autocleanup,
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header_name,
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input_files_basenames,
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args.pragma_once,
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outfile)
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gen.generate()
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if args.body:
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with open(c_file, 'w') as outfile:
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gen = codegen.CodeGenerator(all_ifaces,
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args.c_namespace,
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args.c_generate_object_manager,
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header_name,
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input_files_basenames,
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docbook_gen,
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outfile)
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gen.generate()
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if args.interface_info_header:
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with open(h_file, 'w') as outfile:
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gen = codegen.InterfaceInfoHeaderCodeGenerator(all_ifaces,
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args.c_namespace,
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header_name,
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input_files_basenames,
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args.pragma_once,
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outfile)
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gen.generate()
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if args.interface_info_body:
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with open(c_file, 'w') as outfile:
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gen = codegen.InterfaceInfoBodyCodeGenerator(all_ifaces,
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args.c_namespace,
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header_name,
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input_files_basenames,
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outfile)
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gen.generate()
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sys.exit(0)
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if __name__ == "__main__":
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codegen_main()
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