1// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2005, 2// 2006, 2007, 2008, 2009 3// 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 3, 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// Under Section 7 of GPL version 3, you are granted additional 17// permissions described in the GCC Runtime Library Exception, version 18// 3.1, as published by the Free Software Foundation. 19 20// You should have received a copy of the GNU General Public License and 21// a copy of the GCC Runtime Library Exception along with this program; 22// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23// <http://www.gnu.org/licenses/>. 24 25#include <locale> 26#include <cstdlib> 27#include <cstring> 28 29_GLIBCXX_BEGIN_NAMESPACE(std) 30 31 // Definitions for static const data members of ctype_base. 32 const ctype_base::mask ctype_base::space; 33 const ctype_base::mask ctype_base::print; 34 const ctype_base::mask ctype_base::cntrl; 35 const ctype_base::mask ctype_base::upper; 36 const ctype_base::mask ctype_base::lower; 37 const ctype_base::mask ctype_base::alpha; 38 const ctype_base::mask ctype_base::digit; 39 const ctype_base::mask ctype_base::punct; 40 const ctype_base::mask ctype_base::xdigit; 41 const ctype_base::mask ctype_base::alnum; 42 const ctype_base::mask ctype_base::graph; 43 44 // Definitions for locale::id of standard facets that are specialized. 45 locale::id ctype<char>::id; 46 47#ifdef _GLIBCXX_USE_WCHAR_T 48 locale::id ctype<wchar_t>::id; 49#endif 50 51 // XXX At some point, just rename this file to ctype_configure_char.cc 52 // and compile it as a separate file instead of including it here. 53 // Platform-specific initialization code for ctype tables. 54#include <bits/ctype_noninline.h> 55 56 const size_t ctype<char>::table_size; 57 58 ctype<char>::~ctype() 59 { 60 _S_destroy_c_locale(_M_c_locale_ctype); 61 if (_M_del) 62 delete[] this->table(); 63 } 64 65 // Fill in the narrowing cache and flag whether all values are 66 // valid or not. _M_narrow_ok is set to 2 if memcpy can't 67 // be used. 68 void 69 ctype<char>:: 70 _M_narrow_init() const 71 { 72 char __tmp[sizeof(_M_narrow)]; 73 for (size_t __i = 0; __i < sizeof(_M_narrow); ++__i) 74 __tmp[__i] = __i; 75 do_narrow(__tmp, __tmp + sizeof(__tmp), 0, _M_narrow); 76 77 _M_narrow_ok = 1; 78 if (__builtin_memcmp(__tmp, _M_narrow, sizeof(_M_narrow))) 79 _M_narrow_ok = 2; 80 else 81 { 82 // Deal with the special case of zero: renarrow with a 83 // different default and compare. 84 char __c; 85 do_narrow(__tmp, __tmp + 1, 1, &__c); 86 if (__c == 1) 87 _M_narrow_ok = 2; 88 } 89 } 90 91 void 92 ctype<char>:: 93 _M_widen_init() const 94 { 95 char __tmp[sizeof(_M_widen)]; 96 for (size_t __i = 0; __i < sizeof(_M_widen); ++__i) 97 __tmp[__i] = __i; 98 do_widen(__tmp, __tmp + sizeof(__tmp), _M_widen); 99 100 _M_widen_ok = 1; 101 // Set _M_widen_ok to 2 if memcpy can't be used. 102 if (__builtin_memcmp(__tmp, _M_widen, sizeof(_M_widen))) 103 _M_widen_ok = 2; 104 } 105 106#ifdef _GLIBCXX_USE_WCHAR_T 107 ctype<wchar_t>::ctype(size_t __refs) 108 : __ctype_abstract_base<wchar_t>(__refs), 109 _M_c_locale_ctype(_S_get_c_locale()), _M_narrow_ok(false) 110 { _M_initialize_ctype(); } 111 112 ctype<wchar_t>::ctype(__c_locale __cloc, size_t __refs) 113 : __ctype_abstract_base<wchar_t>(__refs), 114 _M_c_locale_ctype(_S_clone_c_locale(__cloc)), _M_narrow_ok(false) 115 { _M_initialize_ctype(); } 116 117 ctype<wchar_t>::~ctype() 118 { _S_destroy_c_locale(_M_c_locale_ctype); } 119 120 ctype_byname<wchar_t>::ctype_byname(const char* __s, size_t __refs) 121 : ctype<wchar_t>(__refs) 122 { 123 if (std::strcmp(__s, "C") != 0 && std::strcmp(__s, "POSIX") != 0) 124 { 125 this->_S_destroy_c_locale(this->_M_c_locale_ctype); 126 this->_S_create_c_locale(this->_M_c_locale_ctype, __s); 127 this->_M_initialize_ctype(); 128 } 129 } 130 131 ctype_byname<wchar_t>::~ctype_byname() 132 { } 133 134#endif 135 136_GLIBCXX_END_NAMESPACE 137