1// std::messages implementation details, GNU version -*- C++ -*-
2
3// Copyright (C) 2001, 2002, 2003, 2004, 2005 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 2, 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// You should have received a copy of the GNU General Public License along
17// with this library; see the file COPYING.  If not, write to the Free
18// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
19// USA.
20
21// As a special exception, you may use this file as part of a free software
22// library without restriction.  Specifically, if other files instantiate
23// templates or use macros or inline functions from this file, or you compile
24// this file and link it with other files to produce an executable, this
25// file does not by itself cause the resulting executable to be covered by
26// the GNU General Public License.  This exception does not however
27// invalidate any other reasons why the executable file might be covered by
28// the GNU General Public License.
29
30/** @file messages_members.h
31 *  This is an internal header file, included by other library headers.
32 *  You should not attempt to use it directly.
33 */
34
35//
36// ISO C++ 14882: 22.2.7.1.2  messages functions
37//
38
39// Written by Benjamin Kosnik <bkoz@redhat.com>
40
41_GLIBCXX_BEGIN_NAMESPACE(std)
42
43  // Non-virtual member functions.
44  template<typename _CharT>
45     messages<_CharT>::messages(size_t __refs)
46     : facet(__refs), _M_c_locale_messages(_S_get_c_locale()),
47       _M_name_messages(_S_get_c_name())
48     { }
49
50  template<typename _CharT>
51     messages<_CharT>::messages(__c_locale __cloc, const char* __s,
52				size_t __refs)
53     : facet(__refs), _M_c_locale_messages(NULL), _M_name_messages(NULL)
54     {
55       const size_t __len = std::strlen(__s) + 1;
56       char* __tmp = new char[__len];
57       std::memcpy(__tmp, __s, __len);
58       _M_name_messages = __tmp;
59
60       // Last to avoid leaking memory if new throws.
61       _M_c_locale_messages = _S_clone_c_locale(__cloc);
62     }
63
64  template<typename _CharT>
65    typename messages<_CharT>::catalog
66    messages<_CharT>::open(const basic_string<char>& __s, const locale& __loc,
67			   const char* __dir) const
68    {
69      bindtextdomain(__s.c_str(), __dir);
70      return this->do_open(__s, __loc);
71    }
72
73  // Virtual member functions.
74  template<typename _CharT>
75    messages<_CharT>::~messages()
76    {
77      if (_M_name_messages != _S_get_c_name())
78	delete [] _M_name_messages;
79      _S_destroy_c_locale(_M_c_locale_messages);
80    }
81
82  template<typename _CharT>
83    typename messages<_CharT>::catalog
84    messages<_CharT>::do_open(const basic_string<char>& __s,
85			      const locale&) const
86    {
87      // No error checking is done, assume the catalog exists and can
88      // be used.
89      textdomain(__s.c_str());
90      return 0;
91    }
92
93  template<typename _CharT>
94    void
95    messages<_CharT>::do_close(catalog) const
96    { }
97
98   // messages_byname
99   template<typename _CharT>
100     messages_byname<_CharT>::messages_byname(const char* __s, size_t __refs)
101     : messages<_CharT>(__refs)
102     {
103       if (this->_M_name_messages != locale::facet::_S_get_c_name())
104	 delete [] this->_M_name_messages;
105       char* __tmp = new char[std::strlen(__s) + 1];
106       std::strcpy(__tmp, __s);
107       this->_M_name_messages = __tmp;
108
109       if (std::strcmp(__s, "C") != 0 && std::strcmp(__s, "POSIX") != 0)
110	 {
111	   this->_S_destroy_c_locale(this->_M_c_locale_messages);
112	   this->_S_create_c_locale(this->_M_c_locale_messages, __s);
113	 }
114     }
115
116_GLIBCXX_END_NAMESPACE
117