1# Copyright 2014-2015, Tresys Technology, LLC
2#
3# This file is part of SETools.
4#
5# SETools is free software: you can redistribute it and/or modify
6# it under the terms of the GNU Lesser General Public License as
7# published by the Free Software Foundation, either version 2.1 of
8# the License, or (at your option) any later version.
9#
10# SETools is distributed in the hope that it will be useful,
11# but WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13# GNU Lesser General Public License for more details.
14#
15# You should have received a copy of the GNU Lesser General Public
16# License along with SETools.  If not, see
17# <http://www.gnu.org/licenses/>.
18#
19# pylint: disable=no-member,attribute-defined-outside-init,abstract-method
20import re
21
22from . import query
23from .descriptors import CriteriaDescriptor
24
25
26class ComponentQuery(query.PolicyQuery):
27
28    """Base class for SETools component queries."""
29
30    name = CriteriaDescriptor("name_regex")
31    name_regex = False
32
33    def _match_name(self, obj):
34        """Match the object to the name criteria."""
35        if not self.name:
36            # if there is no criteria, everything matches.
37            return True
38
39        return self._match_regex(obj, self.name, self.name_regex)
40