Exiv2
enforce.hpp
1// ***************************************************************** -*- C++ -*-
2/*
3 * Copyright (C) 2004-2021 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 */
20
21#include <string>
22
23#include "error.hpp"
24
25namespace Exiv2::Internal {
36template <typename exception_t, typename T>
37inline void enforce(bool condition, const T& arg1) {
38 if (!condition) {
39 throw exception_t(arg1);
40 }
41}
42
47inline void enforce(bool condition, Exiv2::ErrorCode err_code) {
48 if (!condition) {
49 throw Exiv2::Error(err_code);
50 }
51}
52
57template <typename T>
58inline void enforce(bool condition, Exiv2::ErrorCode err_code, const T& arg1) {
59 if (!condition) {
60 throw Exiv2::Error(err_code, arg1);
61 }
62}
63
68template <typename T, typename U>
69inline void enforce(bool condition, Exiv2::ErrorCode err_code, const T& arg1, const U& arg2) {
70 if (!condition) {
71 throw Exiv2::Error(err_code, arg1, arg2);
72 }
73}
74
79template <typename T, typename U, typename V>
80inline void enforce(bool condition, Exiv2::ErrorCode err_code, const T& arg1, const U& arg2, const V& arg3) {
81 if (!condition) {
82 throw Exiv2::Error(err_code, arg1, arg2, arg3);
83 }
84}
85} // namespace Exiv2::Internal
Simple error class used for exceptions. An output operator is provided to print errors to a stream.
Definition: error.hpp:235
Error class for exceptions, log message class.
Helper structure for the Matroska tags lookup table.
Definition: matroskavideo.hpp:39
void enforce(bool condition, const T &arg1)
Ensure that condition is true, otherwise throw an exception of the type exception_t.
Definition: enforce.hpp:37
ErrorCode
Complete list of all Exiv2 error codes.
Definition: error.hpp:162