libstdc++-v3/config/locale/generic/numeric_members.cc

   1 // std::numpunct implementation details, generic version -*- C++ -*-
   2
   3 // Copyright (C) 2001, 2002, 2003 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
  38 namespace std
  39 {
  40   template<>
  41     void
  42     numpunct<char>::_M_initialize_numpunct(__c_locale)
  43     {
  44       // "C" locale
  45       if (!_M_data)
  46         _M_data = new __numpunct_cache<char>;
  47
  48       _M_data->_M_grouping = "";
  49       _M_data->_M_use_grouping = false;
  50
  51       _M_data->_M_decimal_point = '.';
  52       _M_data->_M_thousands_sep = ',';
  53
  54       for (size_t i = 0; i < __num_base::_S_oend; ++i)
  55         _M_data->_M_atoms_out[i] = __num_base::_S_atoms_out[i];
  56       _M_data->_M_atoms_out[__num_base::_S_oend] = wchar_t();
  57
  58       for (size_t i = 0; i < __num_base::_S_iend; ++i)
  59         _M_data->_M_atoms_in[i] = __num_base::_S_atoms_in[i];
  60       _M_data->_M_atoms_in[__num_base::_S_iend] = wchar_t();
  61
  62       _M_data->_M_truename = "true";
  63       _M_data->_M_falsename = "false";
  64     }
  65
  66   template<>
  67     numpunct<char>::~numpunct()
  68     { delete _M_data; }
  69
  70 #ifdef _GLIBCXX_USE_WCHAR_T
  71   template<>
  72     void
  73     numpunct<wchar_t>::_M_initialize_numpunct(__c_locale)
  74     {
  75       // "C" locale
  76       if (!_M_data)
  77         _M_data = new __numpunct_cache<wchar_t>;
  78
  79       _M_data->_M_grouping = "";
  80       _M_data->_M_use_grouping = false;
  81
  82       _M_data->_M_decimal_point = L'.';
  83       _M_data->_M_thousands_sep = L',';
  84
  85       // Use ctype::widen code without the facet...
  86       unsigned char uc;
  87       for (size_t i = 0; i < __num_base::_S_oend; ++i)
  88         {
  89           uc = static_cast<unsigned char>(__num_base::_S_atoms_out[i]);
  90           _M_data->_M_atoms_out[i] = btowc(uc);
  91         }
  92       _M_data->_M_atoms_out[__num_base::_S_oend] = wchar_t();
  93
  94       for (size_t i = 0; i < __num_base::_S_iend; ++i)
  95         {
  96           uc = static_cast<unsigned char>(__num_base::_S_atoms_in[i]);
  97           _M_data->_M_atoms_in[i] = btowc(uc);
  98         }
  99       _M_data->_M_atoms_in[__num_base::_S_iend] = wchar_t();
 100
 101       _M_data->_M_truename = L"true";
 102       _M_data->_M_falsename = L"false";
 103     }
 104
 105   template<>
 106     numpunct<wchar_t>::~numpunct()
 107     { delete _M_data; }
 108 #endif
 109 }