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
_GLIBCXX_BEGIN_NAMESPACE(std)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>
messages(__c_locale __cloc,const char * __s,size_t __refs)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
open(const basic_string<char> & __s,const locale & __loc,const char * __dir)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>
~messages()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
do_open(const basic_string<char> & __s,const locale &)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
do_close(catalog)95 messages<_CharT>::do_close(catalog) const
96 { }
97
98 // messages_byname
99 template<typename _CharT>
messages_byname(const char * __s,size_t __refs)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