Leosac  0.8.0
Open Source Access Control
enforce.hpp
Go to the documentation of this file.
1 /*
2  Copyright (C) 2014-2016 Leosac
3 
4  This file is part of Leosac.
5 
6  Leosac is free software: you can redistribute it and/or modify
7  it under the terms of the GNU Affero General Public License as published by
8  the Free Software Foundation, either version 3 of the License, or
9  (at your option) any later version.
10 
11  Leosac 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 Affero General Public License for more details.
15 
16  You should have received a copy of the GNU Affero General Public License
17  along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19 
20 #pragma once
21 
24 #include <utility>
25 
26 namespace details
27 {
28 
29 template <typename E, typename Assessable, typename... Args>
30 inline auto enforce(Assessable &&value, Args &&... args)
31 {
32  if (!value)
33  throw E(std::forward<Args>(args)...);
34  return std::forward<Assessable>(value);
35 }
36 }
37 
42 #define ENFORCE(cond, ex_type, ...) ::details::enforce<ex_type>((cond), __VA_ARGS__)
43 
47 #define LEOSAC_ENFORCE(cond, ...) \
48  ::details::enforce<LEOSACException>((cond), __VA_ARGS__)
49 
59 #define LEOSAC_ENFORCE_ARGUMENT(cond, var, msg) \
60  ::details::enforce<InvalidArgument>((cond), #var, var, msg, #cond)
details::enforce
auto enforce(Assessable &&value, Args &&... args)
Definition: enforce.hpp:30
details
Definition: enforce.hpp:26
leosacexception.hpp
Exception class for LEOSAC Project related errors.
InvalidArgument.hpp