| // std::numpunct implementation details, GNU version -*- C++ -*- |
| |
| // Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 2, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING. If not, write to the Free |
| // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| // USA. |
| |
| // As a special exception, you may use this file as part of a free software |
| // library without restriction. Specifically, if other files instantiate |
| // templates or use macros or inline functions from this file, or you compile |
| // this file and link it with other files to produce an executable, this |
| // file does not by itself cause the resulting executable to be covered by |
| // the GNU General Public License. This exception does not however |
| // invalidate any other reasons why the executable file might be covered by |
| // the GNU General Public License. |
| |
| // |
| // ISO C++ 14882: 22.2.3.1.2 numpunct virtual functions |
| // |
| |
| // Written by Benjamin Kosnik <bkoz@redhat.com> |
| |
| #include <locale> |
| #include <bits/c++locale_internal.h> |
| |
| _GLIBCXX_BEGIN_NAMESPACE(std) |
| |
| template<> |
| void |
| numpunct<char>::_M_initialize_numpunct(__c_locale __cloc) |
| { |
| if (!_M_data) |
| _M_data = new __numpunct_cache<char>; |
| |
| if (!__cloc) |
| { |
| // "C" locale |
| _M_data->_M_grouping = ""; |
| _M_data->_M_grouping_size = 0; |
| _M_data->_M_use_grouping = false; |
| |
| _M_data->_M_decimal_point = '.'; |
| _M_data->_M_thousands_sep = ','; |
| |
| for (size_t __i = 0; __i < __num_base::_S_oend; ++__i) |
| _M_data->_M_atoms_out[__i] = __num_base::_S_atoms_out[__i]; |
| |
| for (size_t __j = 0; __j < __num_base::_S_iend; ++__j) |
| _M_data->_M_atoms_in[__j] = __num_base::_S_atoms_in[__j]; |
| } |
| else |
| { |
| // Named locale. |
| _M_data->_M_decimal_point = *(__nl_langinfo_l(DECIMAL_POINT, |
| __cloc)); |
| _M_data->_M_thousands_sep = *(__nl_langinfo_l(THOUSANDS_SEP, |
| __cloc)); |
| |
| // Check for NULL, which implies no grouping. |
| if (_M_data->_M_thousands_sep == '\0') |
| _M_data->_M_grouping = ""; |
| else |
| _M_data->_M_grouping = __nl_langinfo_l(GROUPING, __cloc); |
| _M_data->_M_grouping_size = strlen(_M_data->_M_grouping); |
| } |
| |
| // NB: There is no way to extact this info from posix locales. |
| // _M_truename = __nl_langinfo_l(YESSTR, __cloc); |
| _M_data->_M_truename = "true"; |
| _M_data->_M_truename_size = 4; |
| // _M_falsename = __nl_langinfo_l(NOSTR, __cloc); |
| _M_data->_M_falsename = "false"; |
| _M_data->_M_falsename_size = 5; |
| } |
| |
| template<> |
| numpunct<char>::~numpunct() |
| { delete _M_data; } |
| |
| #ifdef _GLIBCXX_USE_WCHAR_T |
| template<> |
| void |
| numpunct<wchar_t>::_M_initialize_numpunct(__c_locale __cloc) |
| { |
| if (!_M_data) |
| _M_data = new __numpunct_cache<wchar_t>; |
| |
| if (!__cloc) |
| { |
| // "C" locale |
| _M_data->_M_grouping = ""; |
| _M_data->_M_grouping_size = 0; |
| _M_data->_M_use_grouping = false; |
| |
| _M_data->_M_decimal_point = L'.'; |
| _M_data->_M_thousands_sep = L','; |
| |
| // Use ctype::widen code without the facet... |
| for (size_t __i = 0; __i < __num_base::_S_oend; ++__i) |
| _M_data->_M_atoms_out[__i] = |
| static_cast<wchar_t>(__num_base::_S_atoms_out[__i]); |
| |
| for (size_t __j = 0; __j < __num_base::_S_iend; ++__j) |
| _M_data->_M_atoms_in[__j] = |
| static_cast<wchar_t>(__num_base::_S_atoms_in[__j]); |
| } |
| else |
| { |
| // Named locale. |
| // NB: In the GNU model wchar_t is always 32 bit wide. |
| union { char *__s; wchar_t __w; } __u; |
| __u.__s = __nl_langinfo_l(_NL_NUMERIC_DECIMAL_POINT_WC, __cloc); |
| _M_data->_M_decimal_point = __u.__w; |
| |
| __u.__s = __nl_langinfo_l(_NL_NUMERIC_THOUSANDS_SEP_WC, __cloc); |
| _M_data->_M_thousands_sep = __u.__w; |
| |
| if (_M_data->_M_thousands_sep == L'\0') |
| _M_data->_M_grouping = ""; |
| else |
| _M_data->_M_grouping = __nl_langinfo_l(GROUPING, __cloc); |
| _M_data->_M_grouping_size = strlen(_M_data->_M_grouping); |
| } |
| |
| // NB: There is no way to extact this info from posix locales. |
| // _M_truename = __nl_langinfo_l(YESSTR, __cloc); |
| _M_data->_M_truename = L"true"; |
| _M_data->_M_truename_size = 4; |
| // _M_falsename = __nl_langinfo_l(NOSTR, __cloc); |
| _M_data->_M_falsename = L"false"; |
| _M_data->_M_falsename_size = 5; |
| } |
| |
| template<> |
| numpunct<wchar_t>::~numpunct() |
| { delete _M_data; } |
| #endif |
| |
| _GLIBCXX_END_NAMESPACE |