1// std::messages implementation details, GNU version -*- C++ -*-
2
3// Copyright (C) 2001, 2002, 2005, 2009 Free Software Foundation, Inc.
4//
5// This file is part of the GNU ISO C++ Library.  This library is free
6// software; you can redistribute it and/or modify it under the
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 3, or (at your option)
9// any later version.
10
11// This library 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// Under Section 7 of GPL version 3, you are granted additional
17// permissions described in the GCC Runtime Library Exception, version
18// 3.1, as published by the Free Software Foundation.
19
20// You should have received a copy of the GNU General Public License and
21// a copy of the GCC Runtime Library Exception along with this program;
22// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
23// <http://www.gnu.org/licenses/>.
24
25//
26// ISO C++ 14882: 22.2.7.1.2  messages virtual functions
27//
28
29// Written by Benjamin Kosnik <bkoz@redhat.com>
30
31#include <locale>
32#include <bits/c++locale_internal.h>
33
34_GLIBCXX_BEGIN_NAMESPACE(std)
35
36  // Specializations.
37  template<>
38    string
39    messages<char>::do_get(catalog, int, int, const string& __dfault) const
40    {
41#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
42      __c_locale __old = __uselocale(_M_c_locale_messages);
43      const char* __msg = const_cast<const char*>(gettext(__dfault.c_str()));
44      __uselocale(__old);
45      return string(__msg);
46#else
47      char* __old = setlocale(LC_ALL, NULL);
48      const size_t __len = strlen(__old) + 1;
49      char* __sav = new char[__len];
50      memcpy(__sav, __old, __len);
51      setlocale(LC_ALL, _M_name_messages);
52      const char* __msg = gettext(__dfault.c_str());
53      setlocale(LC_ALL, __sav);
54      delete [] __sav;
55      return string(__msg);
56#endif
57    }
58
59#ifdef _GLIBCXX_USE_WCHAR_T
60  template<>
61    wstring
62    messages<wchar_t>::do_get(catalog, int, int, const wstring& __dfault) const
63    {
64# if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
65      __c_locale __old = __uselocale(_M_c_locale_messages);
66      char* __msg = gettext(_M_convert_to_char(__dfault));
67      __uselocale(__old);
68      return _M_convert_from_char(__msg);
69# else
70      char* __old = setlocale(LC_ALL, NULL);
71      const size_t __len = strlen(__old) + 1;
72      char* __sav = new char[__len];
73      memcpy(__sav, __old, __len);
74      setlocale(LC_ALL, _M_name_messages);
75      char* __msg = gettext(_M_convert_to_char(__dfault));
76      setlocale(LC_ALL, __sav);
77      delete [] __sav;
78      return _M_convert_from_char(__msg);
79# endif
80    }
81#endif
82
83_GLIBCXX_END_NAMESPACE
84