1 // std::numpunct implementation details, DragonFly version -*- C++ -*-
3 // Copyright (C) 2015-2020 Free Software Foundation, Inc.
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)
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.
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.
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/>.
26 // ISO C++ 14882: 22.2.3.1.2 numpunct virtual functions
29 // Written by Benjamin Kosnik <bkoz@redhat.com>
30 // Modified for DragonFly by John Marino <gnugcc@marino.st>
36 namespace std
_GLIBCXX_VISIBILITY(default)
38 _GLIBCXX_BEGIN_NAMESPACE_VERSION
42 numpunct
<char>::_M_initialize_numpunct(__c_locale __cloc
)
45 _M_data
= new __numpunct_cache
<char>;
50 _M_data
->_M_grouping
= "";
51 _M_data
->_M_grouping_size
= 0;
52 _M_data
->_M_use_grouping
= false;
54 _M_data
->_M_decimal_point
= '.';
55 _M_data
->_M_thousands_sep
= ',';
57 for (size_t __i
= 0; __i
< __num_base::_S_oend
; ++__i
)
58 _M_data
->_M_atoms_out
[__i
] = __num_base::_S_atoms_out
[__i
];
60 for (size_t __j
= 0; __j
< __num_base::_S_iend
; ++__j
)
61 _M_data
->_M_atoms_in
[__j
] = __num_base::_S_atoms_in
[__j
];
66 lconv
* lc
= localeconv_l((locale_t
) __cloc
);
68 // Decimal point should always be defined, but check null anyway
69 if (lc
->decimal_point
== NULL
)
71 // Not defined, so use "C" locale default
72 _M_data
->_M_decimal_point
= '.';
76 _M_data
->_M_decimal_point
= lc
->decimal_point
[0];
78 // Check for NULL, which implies no grouping.
79 if (lc
->thousands_sep
== NULL
|| lc
->thousands_sep
[0] == '\0')
81 // Like in "C" locale.
82 _M_data
->_M_grouping
= "";
83 _M_data
->_M_grouping_size
= 0;
84 _M_data
->_M_use_grouping
= false;
85 _M_data
->_M_thousands_sep
= ',';
89 _M_data
->_M_thousands_sep
= lc
->thousands_sep
[0];
91 const char* __src
= lc
->grouping
;
92 const size_t __len
= strlen(__src
);
97 char* __dst
= new char[__len
+ 1];
98 memcpy(__dst
, __src
, __len
+ 1);
99 _M_data
->_M_grouping
= __dst
;
100 _M_data
->_M_use_grouping
= true;
106 __throw_exception_again
;
111 _M_data
->_M_grouping
= "";
112 _M_data
->_M_use_grouping
= false;
114 _M_data
->_M_grouping_size
= __len
;
118 // NB: There is no way to extact this info from posix locales.
119 // _M_truename = __nl_langinfo_l(YESSTR, __cloc);
120 _M_data
->_M_truename
= "true";
121 _M_data
->_M_truename_size
= 4;
122 // _M_falsename = __nl_langinfo_l(NOSTR, __cloc);
123 _M_data
->_M_falsename
= "false";
124 _M_data
->_M_falsename_size
= 5;
128 numpunct
<char>::~numpunct()
130 if (_M_data
->_M_grouping_size
)
131 delete [] _M_data
->_M_grouping
;
135 #ifdef _GLIBCXX_USE_WCHAR_T
138 numpunct
<wchar_t>::_M_initialize_numpunct(__c_locale __cloc
)
141 _M_data
= new __numpunct_cache
<wchar_t>;
146 _M_data
->_M_grouping
= "";
147 _M_data
->_M_grouping_size
= 0;
148 _M_data
->_M_use_grouping
= false;
150 _M_data
->_M_decimal_point
= L
'.';
151 _M_data
->_M_thousands_sep
= L
',';
153 // Use ctype::widen code without the facet...
154 for (size_t __i
= 0; __i
< __num_base::_S_oend
; ++__i
)
155 _M_data
->_M_atoms_out
[__i
] =
156 static_cast<wchar_t>(__num_base::_S_atoms_out
[__i
]);
158 for (size_t __j
= 0; __j
< __num_base::_S_iend
; ++__j
)
159 _M_data
->_M_atoms_in
[__j
] =
160 static_cast<wchar_t>(__num_base::_S_atoms_in
[__j
]);
165 lconv
* lc
= localeconv_l((locale_t
) __cloc
);
167 // Decimal point should always be defined, but check null anyway
168 if (lc
->decimal_point
== NULL
)
170 // Not defined, so use "C" locale default
171 _M_data
->_M_decimal_point
= L
'.';
175 _M_data
->_M_decimal_point
= (wchar_t)lc
->decimal_point
[0];
177 // Check for NULL, which implies no grouping.
178 if (lc
->thousands_sep
== NULL
|| lc
->thousands_sep
[0] == '\0')
180 // Like in "C" locale.
181 _M_data
->_M_grouping
= "";
182 _M_data
->_M_grouping_size
= 0;
183 _M_data
->_M_use_grouping
= false;
184 _M_data
->_M_thousands_sep
= L
',';
188 _M_data
->_M_thousands_sep
= (wchar_t)lc
->thousands_sep
[0];
190 const char* __src
= lc
->grouping
;
191 const size_t __len
= strlen(__src
);
196 char* __dst
= new char[__len
+ 1];
197 memcpy(__dst
, __src
, __len
+ 1);
198 _M_data
->_M_grouping
= __dst
;
204 __throw_exception_again
;
209 _M_data
->_M_grouping
= "";
210 _M_data
->_M_use_grouping
= false;
212 _M_data
->_M_grouping_size
= __len
;
216 // NB: There is no way to extact this info from posix locales.
217 // _M_truename = __nl_langinfo_l(YESSTR, __cloc);
218 _M_data
->_M_truename
= L
"true";
219 _M_data
->_M_truename_size
= 4;
220 // _M_falsename = __nl_langinfo_l(NOSTR, __cloc);
221 _M_data
->_M_falsename
= L
"false";
222 _M_data
->_M_falsename_size
= 5;
226 numpunct
<wchar_t>::~numpunct()
228 if (_M_data
->_M_grouping_size
)
229 delete [] _M_data
->_M_grouping
;
234 _GLIBCXX_END_NAMESPACE_VERSION