1 // std::numpunct implementation details, GNU version -*- C++ -*-
3 // Copyright (C) 2001, 2002, 2003 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 2, 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 // 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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.
31 // ISO C++ 14882: 22.2.3.1.2 numpunct virtual functions
34 // Written by Benjamin Kosnik <bkoz@redhat.com>
37 #include <bits/c++locale_internal.h>
43 numpunct
<char>::_M_initialize_numpunct(__c_locale __cloc
)
46 _M_data
= new __numpunct_cache
<char>;
51 _M_data
->_M_grouping
= "";
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
];
59 _M_data
->_M_atoms_out
[__num_base::_S_oend
] = char();
61 for (size_t i
= 0; i
< __num_base::_S_iend
; ++i
)
62 _M_data
->_M_atoms_in
[i
] = __num_base::_S_atoms_in
[i
];
63 _M_data
->_M_atoms_in
[__num_base::_S_iend
] = char();
68 _M_data
->_M_decimal_point
= *(__nl_langinfo_l(RADIXCHAR
, __cloc
));
69 _M_data
->_M_thousands_sep
= *(__nl_langinfo_l(THOUSEP
, __cloc
));
71 // Check for NULL, which implies no grouping.
72 if (_M_data
->_M_thousands_sep
== '\0')
73 _M_data
->_M_grouping
= "";
75 _M_data
->_M_grouping
= __nl_langinfo_l(GROUPING
, __cloc
);
77 // NB: There is no way to extact this info from posix locales.
78 // _M_truename = __nl_langinfo_l(YESSTR, __cloc);
79 _M_data
->_M_truename
= "true";
80 // _M_falsename = __nl_langinfo_l(NOSTR, __cloc);
81 _M_data
->_M_falsename
= "false";
85 numpunct
<char>::~numpunct()
88 #ifdef _GLIBCXX_USE_WCHAR_T
91 numpunct
<wchar_t>::_M_initialize_numpunct(__c_locale __cloc
)
94 _M_data
= new __numpunct_cache
<wchar_t>;
99 _M_data
->_M_grouping
= "";
100 _M_data
->_M_use_grouping
= false;
102 _M_data
->_M_decimal_point
= L
'.';
103 _M_data
->_M_thousands_sep
= L
',';
105 #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
106 __c_locale __old
= __uselocale(_S_c_locale
);
108 // Use ctype::widen code without the facet...
110 for (size_t i
= 0; i
< __num_base::_S_oend
; ++i
)
112 uc
= static_cast<unsigned char>(__num_base::_S_atoms_out
[i
]);
113 _M_data
->_M_atoms_out
[i
] = btowc(uc
);
115 _M_data
->_M_atoms_out
[__num_base::_S_oend
] = wchar_t();
117 for (size_t i
= 0; i
< __num_base::_S_iend
; ++i
)
119 uc
= static_cast<unsigned char>(__num_base::_S_atoms_in
[i
]);
120 _M_data
->_M_atoms_in
[i
] = btowc(uc
);
122 _M_data
->_M_atoms_in
[__num_base::_S_iend
] = wchar_t();
123 #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
130 union __s_and_w
{ const char *__s
; unsigned int __w
; } __u
;
131 __u
.__s
= __nl_langinfo_l(_NL_NUMERIC_DECIMAL_POINT_WC
, __cloc
);
132 _M_data
->_M_decimal_point
= static_cast<wchar_t>(__u
.__w
);
134 __u
.__s
= __nl_langinfo_l(_NL_NUMERIC_THOUSANDS_SEP_WC
, __cloc
);
135 _M_data
->_M_thousands_sep
= static_cast<wchar_t>(__u
.__w
);
137 if (_M_data
->_M_thousands_sep
== L
'\0')
138 _M_data
->_M_grouping
= "";
140 _M_data
->_M_grouping
= __nl_langinfo_l(GROUPING
, __cloc
);
142 // NB: There is no way to extact this info from posix locales.
143 // _M_truename = __nl_langinfo_l(YESSTR, __cloc);
144 _M_data
->_M_truename
= L
"true";
145 // _M_falsename = __nl_langinfo_l(NOSTR, __cloc);
146 _M_data
->_M_falsename
= L
"false";
150 numpunct
<wchar_t>::~numpunct()