libstdc++
messages_members.h
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1 // std::messages implementation details, generic version -*- C++ -*-
2 
3 // Copyright (C) 2001-2013 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 /** @file bits/messages_members.h
26  * This is an internal header file, included by other library headers.
27  * Do not attempt to use it directly. @headername{locale}
28  */
29 
30 //
31 // ISO C++ 14882: 22.2.7.1.2 messages virtual functions
32 //
33 
34 // Written by Benjamin Kosnik <bkoz@redhat.com>
35 
36 namespace std _GLIBCXX_VISIBILITY(default)
37 {
38 _GLIBCXX_BEGIN_NAMESPACE_VERSION
39 
40  // Non-virtual member functions.
41  template<typename _CharT>
43  : facet(__refs)
44  { _M_c_locale_messages = _S_get_c_locale(); }
45 
46  template<typename _CharT>
47  messages<_CharT>::messages(__c_locale, const char*, size_t __refs)
48  : facet(__refs)
49  { _M_c_locale_messages = _S_get_c_locale(); }
50 
51  template<typename _CharT>
52  typename messages<_CharT>::catalog
53  messages<_CharT>::open(const basic_string<char>& __s, const locale& __loc,
54  const char*) const
55  { return this->do_open(__s, __loc); }
56 
57  // Virtual member functions.
58  template<typename _CharT>
60  { _S_destroy_c_locale(_M_c_locale_messages); }
61 
62  template<typename _CharT>
63  typename messages<_CharT>::catalog
65  { return 0; }
66 
67  template<typename _CharT>
68  typename messages<_CharT>::string_type
69  messages<_CharT>::do_get(catalog, int, int,
70  const string_type& __dfault) const
71  { return __dfault; }
72 
73  template<typename _CharT>
74  void
75  messages<_CharT>::do_close(catalog) const
76  { }
77 
78  // messages_byname
79  template<typename _CharT>
80  messages_byname<_CharT>::messages_byname(const char* __s, size_t __refs)
81  : messages<_CharT>(__refs)
82  {
83  if (__builtin_strcmp(__s, "C") != 0
84  && __builtin_strcmp(__s, "POSIX") != 0)
85  {
86  this->_S_destroy_c_locale(this->_M_c_locale_messages);
87  this->_S_create_c_locale(this->_M_c_locale_messages, __s);
88  }
89  }
90 
91 _GLIBCXX_END_NAMESPACE_VERSION
92 } // namespace
Primary class template messages.This facet encapsulates the code to retrieve messages from message ca...
Container class for localization functionality.The locale class is first a class wrapper for C librar...
messages(size_t __refs=0)
Constructor performs initialization.
virtual ~messages()
Destructor.