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