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1 | // std::messages implementation details, GNU version -*- C++ -*- |
2 | ||
99dee823 | 3 | // Copyright (C) 2001-2021 Free Software Foundation, Inc. |
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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 | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
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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 | ||
748086b7 JJ |
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/>. | |
33590f13 | 24 | |
f910786b | 25 | /** @file bits/messages_members.h |
143c27b0 | 26 | * This is an internal header file, included by other library headers. |
f910786b | 27 | * Do not attempt to use it directly. @headername{locale} |
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28 | */ |
29 | ||
33590f13 | 30 | // |
1c26d8fd | 31 | // ISO C++ 14882: 22.2.7.1.2 messages functions |
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32 | // |
33 | ||
34 | // Written by Benjamin Kosnik <bkoz@redhat.com> | |
35 | ||
99408976 PC |
36 | #include <libintl.h> |
37 | ||
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38 | namespace std _GLIBCXX_VISIBILITY(default) |
39 | { | |
40 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
143c27b0 | 41 | |
33590f13 | 42 | // Non-virtual member functions. |
1c26d8fd | 43 | template<typename _CharT> |
d31008d7 FD |
44 | messages<_CharT>::messages(size_t __refs) |
45 | : facet(__refs), _M_c_locale_messages(_S_get_c_locale()), | |
46 | _M_name_messages(_S_get_c_name()) | |
47 | { } | |
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48 | |
49 | template<typename _CharT> | |
d31008d7 FD |
50 | messages<_CharT>::messages(__c_locale __cloc, const char* __s, |
51 | size_t __refs) | |
52 | : facet(__refs), _M_c_locale_messages(0), _M_name_messages(0) | |
53 | { | |
54 | if (__builtin_strcmp(__s, _S_get_c_name()) != 0) | |
55 | { | |
56 | const size_t __len = __builtin_strlen(__s) + 1; | |
57 | char* __tmp = new char[__len]; | |
58 | __builtin_memcpy(__tmp, __s, __len); | |
59 | _M_name_messages = __tmp; | |
60 | } | |
61 | else | |
62 | _M_name_messages = _S_get_c_name(); | |
63 | ||
64 | // Last to avoid leaking memory if new throws. | |
65 | _M_c_locale_messages = _S_clone_c_locale(__cloc); | |
66 | } | |
1c26d8fd | 67 | |
33590f13 | 68 | template<typename _CharT> |
d31008d7 FD |
69 | typename messages<_CharT>::catalog |
70 | messages<_CharT>::open(const basic_string<char>& __s, const locale& __loc, | |
33590f13 | 71 | const char* __dir) const |
d31008d7 | 72 | { |
33590f13 | 73 | bindtextdomain(__s.c_str(), __dir); |
d31008d7 | 74 | return this->do_open(__s, __loc); |
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75 | } |
76 | ||
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77 | // Virtual member functions. |
78 | template<typename _CharT> | |
79 | messages<_CharT>::~messages() | |
d31008d7 | 80 | { |
bb1b12ec | 81 | if (_M_name_messages != _S_get_c_name()) |
1c26d8fd | 82 | delete [] _M_name_messages; |
d31008d7 | 83 | _S_destroy_c_locale(_M_c_locale_messages); |
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84 | } |
85 | ||
33590f13 | 86 | template<typename _CharT> |
d31008d7 FD |
87 | typename messages<_CharT>::catalog |
88 | messages<_CharT>::do_open(const basic_string<char>& __s, | |
33590f13 | 89 | const locale&) const |
d31008d7 | 90 | { |
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91 | // No error checking is done, assume the catalog exists and can |
92 | // be used. | |
93 | textdomain(__s.c_str()); | |
94 | return 0; | |
95 | } | |
96 | ||
33590f13 | 97 | template<typename _CharT> |
d31008d7 FD |
98 | void |
99 | messages<_CharT>::do_close(catalog) const | |
33590f13 | 100 | { } |
1c26d8fd | 101 | |
d31008d7 FD |
102 | // messages_byname |
103 | template<typename _CharT> | |
104 | messages_byname<_CharT>::messages_byname(const char* __s, size_t __refs) | |
105 | : messages<_CharT>(__refs) | |
106 | { | |
107 | if (this->_M_name_messages != locale::facet::_S_get_c_name()) | |
108 | { | |
109 | delete [] this->_M_name_messages; | |
110 | if (__builtin_strcmp(__s, locale::facet::_S_get_c_name()) != 0) | |
111 | { | |
112 | const size_t __len = __builtin_strlen(__s) + 1; | |
113 | char* __tmp = new char[__len]; | |
114 | __builtin_memcpy(__tmp, __s, __len); | |
115 | this->_M_name_messages = __tmp; | |
116 | } | |
117 | else | |
118 | this->_M_name_messages = locale::facet::_S_get_c_name(); | |
119 | } | |
120 | ||
121 | if (__builtin_strcmp(__s, "C") != 0 | |
122 | && __builtin_strcmp(__s, "POSIX") != 0) | |
123 | { | |
124 | this->_S_destroy_c_locale(this->_M_c_locale_messages); | |
125 | this->_S_create_c_locale(this->_M_c_locale_messages, __s); | |
126 | } | |
127 | } | |
128 | ||
129 | //Specializations. | |
130 | template<> | |
131 | typename messages<char>::catalog | |
132 | messages<char>::do_open(const basic_string<char>&, | |
133 | const locale&) const; | |
134 | ||
135 | template<> | |
136 | void | |
137 | messages<char>::do_close(catalog) const; | |
138 | ||
139 | #ifdef _GLIBCXX_USE_WCHAR_T | |
140 | template<> | |
141 | typename messages<wchar_t>::catalog | |
142 | messages<wchar_t>::do_open(const basic_string<char>&, | |
143 | const locale&) const; | |
144 | ||
145 | template<> | |
146 | void | |
147 | messages<wchar_t>::do_close(catalog) const; | |
148 | #endif | |
143c27b0 | 149 | |
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150 | _GLIBCXX_END_NAMESPACE_VERSION |
151 | } // namespace |