aGrUM 2.3.2
a C++ library for (probabilistic) graphical models
cast_unicode_inl.h
Go to the documentation of this file.
1/****************************************************************************
2 * This file is part of the aGrUM/pyAgrum library. *
3 * *
4 * Copyright (c) 2005-2025 by *
5 * - Pierre-Henri WUILLEMIN(_at_LIP6) *
6 * - Christophe GONZALES(_at_AMU) *
7 * *
8 * The aGrUM/pyAgrum library is free software; you can redistribute it *
9 * and/or modify it under the terms of either : *
10 * *
11 * - the GNU Lesser General Public License as published by *
12 * the Free Software Foundation, either version 3 of the License, *
13 * or (at your option) any later version, *
14 * - the MIT license (MIT), *
15 * - or both in dual license, as here. *
16 * *
17 * (see https://agrum.gitlab.io/articles/dual-licenses-lgplv3mit.html) *
18 * *
19 * This aGrUM/pyAgrum library is distributed in the hope that it will be *
20 * useful, but WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
21 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES MERCHANTABILITY or FITNESS *
22 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE *
23 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, *
25 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR *
26 * OTHER DEALINGS IN THE SOFTWARE. *
27 * *
28 * See LICENCES for more details. *
29 * *
30 * SPDX-FileCopyrightText: Copyright 2005-2025 *
31 * - Pierre-Henri WUILLEMIN(_at_LIP6) *
32 * - Christophe GONZALES(_at_AMU) *
33 * SPDX-License-Identifier: LGPL-3.0-or-later OR MIT *
34 * *
35 * Contact : info_at_agrum_dot_org *
36 * homepage : http://agrum.gitlab.io *
37 * gitlab : https://gitlab.com/agrumery/agrum *
38 * *
39 ****************************************************************************/
40#pragma once
41
42
49
50#ifndef CAST_UNICODE_H
51# define CAST_UNICODE_H
52
53# include <iostream>
54# include <locale>
55# include <sstream>
56# include <string>
57
59
60INLINE std::wstring widen(const std::string& str) {
61 std::wostringstream wstm;
62 const std::ctype< wchar_t >& ctfacet = std::use_facet< std::ctype< wchar_t > >(wstm.getloc());
63
64 for (size_t i = 0; i < str.size(); ++i) {
65 wstm << ctfacet.widen(str[i]);
66 }
67
68 return wstm.str();
69}
70
71INLINE std::string narrow(const std::wstring& str) {
72 std::ostringstream stm;
73 const std::ctype< char >& ctfacet = std::use_facet< std::ctype< char > >(stm.getloc());
74
75 for (std::size_t i = 0; i < str.size(); ++i) {
76 stm << ctfacet.narrow(str[i], 0);
77 }
78
79 return stm.str();
80}
81
82#endif // CAST_UNICODE_H
Unicode helper functions.
INLINE std::wstring widen(const std::string &str)
Cast a std::string into a std::wstring.
INLINE std::string narrow(const std::wstring &str)
Cast a std::wstring into a std::string.