1// Locale support -*- C++ -*- 2 3// Copyright (C) 2004 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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/** @file ctype_noninline.h 31 * This is an internal header file, included by other library headers. 32 * You should not attempt to use it directly. 33 */ 34 35// 36// ISO C++ 14882: 22.1 Locales 37// 38 39// Information as gleaned from /usr/include/ctype.h 40 41 const ctype_base::mask* 42 ctype<char>::classic_table() throw() 43 { 44 const ctype_base::mask* __ret; 45 char* __old = strdup(setlocale(LC_CTYPE, NULL)); 46 setlocale(LC_CTYPE, "C"); 47 __ret = *__ctype_b_loc(); 48 setlocale(LC_CTYPE, __old); 49 free(__old); 50 return __ret; 51 } 52 53 ctype<char>::ctype(__c_locale, const mask* __table, bool __del, 54 size_t __refs) 55 : facet(__refs), _M_del(__table != 0 && __del) 56 { 57 char* __old=strdup(setlocale(LC_CTYPE, NULL)); 58 setlocale(LC_CTYPE, "C"); 59 _M_toupper = *__ctype_toupper_loc(); 60 _M_tolower = *__ctype_tolower_loc(); 61 _M_table = __table ? __table : *__ctype_b_loc(); 62 setlocale(LC_CTYPE, __old); 63 free(__old); 64 _M_c_locale_ctype = _S_get_c_locale(); 65 } 66 67 ctype<char>::ctype(const mask* __table, bool __del, size_t __refs) 68 : facet(__refs), _M_del(__table != 0 && __del) 69 { 70 char* __old=strdup(setlocale(LC_CTYPE, NULL)); 71 setlocale(LC_CTYPE, "C"); 72 _M_toupper = *__ctype_toupper_loc(); 73 _M_tolower = *__ctype_tolower_loc(); 74 _M_table = __table ? __table : *__ctype_b_loc(); 75 setlocale(LC_CTYPE, __old); 76 free(__old); 77 _M_c_locale_ctype = _S_get_c_locale(); 78 } 79 80 char 81 ctype<char>::do_toupper(char __c) const 82 { return _M_toupper[static_cast<unsigned char>(__c)]; } 83 84 const char* 85 ctype<char>::do_toupper(char* __low, const char* __high) const 86 { 87 while (__low < __high) 88 { 89 *__low = _M_toupper[static_cast<unsigned char>(*__low)]; 90 ++__low; 91 } 92 return __high; 93 } 94 95 char 96 ctype<char>::do_tolower(char __c) const 97 { return _M_tolower[static_cast<unsigned char>(__c)]; } 98 99 const char* 100 ctype<char>::do_tolower(char* __low, const char* __high) const 101 { 102 while (__low < __high) 103 { 104 *__low = _M_tolower[static_cast<unsigned char>(*__low)]; 105 ++__low; 106 } 107 return __high; 108 } 109