Exiv2
enforce.hpp
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1// ********************************************************* -*- C++ -*-
2/*
3 * Copyright (C) 2004-2018 Exiv2 authors
4 * This program is part of the Exiv2 distribution.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
10 *
11 * This program 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 General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.
19 */
28#include <string>
29
30#include "error.hpp"
31
42template <typename exception_t, typename T>
43inline void enforce(bool condition, const T& arg1)
44{
45 if (!condition) {
46 throw exception_t(arg1);
47 }
48}
49
54inline void enforce(bool condition, Exiv2::ErrorCode err_code)
55{
56 if (!condition) {
57 throw Exiv2::Error(err_code);
58 }
59}
60
65template <typename T>
66inline void enforce(bool condition, Exiv2::ErrorCode err_code, const T& arg1)
67{
68 if (!condition) {
69 throw Exiv2::Error(err_code, arg1);
70 }
71}
72
77template <typename T, typename U>
78inline void enforce(bool condition, Exiv2::ErrorCode err_code, const T& arg1, const U& arg2)
79{
80 if (!condition) {
81 throw Exiv2::Error(err_code, arg1, arg2);
82 }
83}
84
89template <typename T, typename U, typename V>
90inline void enforce(bool condition, Exiv2::ErrorCode err_code, const T& arg1, const U& arg2, const V& arg3)
91{
92 if (!condition) {
93 throw Exiv2::Error(err_code, arg1, arg2, arg3);
94 }
95}
void enforce(bool condition, const T &arg1)
Ensure that condition is true, otherwise throw an exception of the type exception_t.
Definition: enforce.hpp:43
Error class for exceptions, log message class.
ErrorCode
Complete list of all Exiv2 error codes.
Definition: error.hpp:191
BasicError< char > Error
Error class used for exceptions (std::string based)
Definition: error.hpp:323