libstdc++
messages_members.h
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1 // std::messages implementation details, generic version -*- C++ -*-
2 
3 // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010
4 // Free Software Foundation, Inc.
5 //
6 // This file is part of the GNU ISO C++ Library. This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 3, or (at your option)
10 // any later version.
11 
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
16 
17 // Under Section 7 of GPL version 3, you are granted additional
18 // permissions described in the GCC Runtime Library Exception, version
19 // 3.1, as published by the Free Software Foundation.
20 
21 // You should have received a copy of the GNU General Public License and
22 // a copy of the GCC Runtime Library Exception along with this program;
23 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
24 // <http://www.gnu.org/licenses/>.
25 
26 /** @file bits/messages_members.h
27  * This is an internal header file, included by other library headers.
28  * Do not attempt to use it directly. @headername{locale}
29  */
30 
31 //
32 // ISO C++ 14882: 22.2.7.1.2 messages virtual functions
33 //
34 
35 // Written by Benjamin Kosnik <bkoz@redhat.com>
36 
37 namespace std _GLIBCXX_VISIBILITY(default)
38 {
39 _GLIBCXX_BEGIN_NAMESPACE_VERSION
40 
41  // Non-virtual member functions.
42  template<typename _CharT>
44  : facet(__refs)
45  { _M_c_locale_messages = _S_get_c_locale(); }
46 
47  template<typename _CharT>
48  messages<_CharT>::messages(__c_locale, const char*, size_t __refs)
49  : facet(__refs)
50  { _M_c_locale_messages = _S_get_c_locale(); }
51 
52  template<typename _CharT>
53  typename messages<_CharT>::catalog
54  messages<_CharT>::open(const basic_string<char>& __s, const locale& __loc,
55  const char*) const
56  { return this->do_open(__s, __loc); }
57 
58  // Virtual member functions.
59  template<typename _CharT>
61  { _S_destroy_c_locale(_M_c_locale_messages); }
62 
63  template<typename _CharT>
64  typename messages<_CharT>::catalog
66  { return 0; }
67 
68  template<typename _CharT>
69  typename messages<_CharT>::string_type
70  messages<_CharT>::do_get(catalog, int, int,
71  const string_type& __dfault) const
72  { return __dfault; }
73 
74  template<typename _CharT>
75  void
76  messages<_CharT>::do_close(catalog) const
77  { }
78 
79  // messages_byname
80  template<typename _CharT>
81  messages_byname<_CharT>::messages_byname(const char* __s, size_t __refs)
82  : messages<_CharT>(__refs)
83  {
84  if (__builtin_strcmp(__s, "C") != 0
85  && __builtin_strcmp(__s, "POSIX") != 0)
86  {
87  this->_S_destroy_c_locale(this->_M_c_locale_messages);
88  this->_S_create_c_locale(this->_M_c_locale_messages, __s);
89  }
90  }
91 
92 _GLIBCXX_END_NAMESPACE_VERSION
93 } // namespace
messages(size_t __refs=0)
Constructor performs initialization.
Primary class template messages.This facet encapsulates the code to retrieve messages from message ca...
virtual ~messages()
Destructor.
Container class for localization functionality.The locale class is first a class wrapper for C librar...