1// std::numpunct implementation details, GNU version -*- C++ -*-
2
3// Copyright (C) 2001, 2002 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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//
31// ISO C++ 14882: 22.2.3.1.2  numpunct virtual functions
32//
33
34// Written by Benjamin Kosnik <bkoz@redhat.com>
35
36#include <locale>
37#include <bits/c++locale_internal.h>
38
39namespace std
40{
41  template<>
42    void
43    numpunct<char>::_M_initialize_numpunct(__c_locale __cloc)
44    {
45      if (!__cloc)
46	{
47	  // "C" locale
48	  _M_decimal_point = '.';
49	  _M_thousands_sep = ',';
50	  _M_grouping = "";
51	}
52      else
53	{
54	  // Named locale.
55	  _M_decimal_point = *(__nl_langinfo_l(RADIXCHAR, __cloc));
56	  _M_thousands_sep = *(__nl_langinfo_l(THOUSEP, __cloc));
57	  // Check for NUL, which implies no grouping.
58	  if (_M_thousands_sep == '\0')
59	    _M_grouping = "";
60	  else
61	    _M_grouping = __nl_langinfo_l(GROUPING, __cloc);
62	}
63      // NB: There is no way to extact this info from posix locales.
64      // _M_truename = __nl_langinfo_l(YESSTR, __cloc);
65      _M_truename = "true";
66      // _M_falsename = __nl_langinfo_l(NOSTR, __cloc);
67      _M_falsename = "false";
68    }
69
70  template<>
71    numpunct<char>::~numpunct()
72    { }
73
74#ifdef _GLIBCPP_USE_WCHAR_T
75  template<>
76    void
77    numpunct<wchar_t>::_M_initialize_numpunct(__c_locale __cloc)
78    {
79      if (!__cloc)
80	{
81	  // "C" locale
82	  _M_decimal_point = L'.';
83	  _M_thousands_sep = L',';
84	  _M_grouping = "";
85	}
86      else
87	{
88	  // Named locale.
89	  _M_decimal_point = static_cast<wchar_t>(((union { const char *__s; unsigned int __w; }){ __s: __nl_langinfo_l(_NL_NUMERIC_DECIMAL_POINT_WC, __cloc)}).__w);
90	  _M_thousands_sep = static_cast<wchar_t>(((union { const char *__s; unsigned int __w; }){ __s: __nl_langinfo_l(_NL_NUMERIC_THOUSANDS_SEP_WC, __cloc)}).__w);
91	  if (_M_thousands_sep == L'\0')
92	    _M_grouping = "";
93	  else
94	    _M_grouping = __nl_langinfo_l(GROUPING, __cloc);
95	}
96      // NB: There is no way to extact this info from posix locales.
97      // _M_truename = __nl_langinfo_l(YESSTR, __cloc);
98      _M_truename = L"true";
99      // _M_falsename = __nl_langinfo_l(NOSTR, __cloc);
100      _M_falsename = L"false";
101    }
102
103  template<>
104    numpunct<wchar_t>::~numpunct()
105    { }
106 #endif
107}
108