libstdc++-v3/src/ctype.cc

   1 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
   2 // Free Software Foundation, Inc.
   3 //
   4 // This file is part of the GNU ISO C++ Library.  This library is free
   5 // software; you can redistribute it and/or modify it under the
   6 // terms of the GNU General Public License as published by the
   7 // Free Software Foundation; either version 2, or (at your option)
   8 // any later version.
   9
  10 // This library is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14
  15 // You should have received a copy of the GNU General Public License along
  16 // with this library; see the file COPYING.  If not, write to the Free
  17 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  18 // USA.
  19
  20 // As a special exception, you may use this file as part of a free software
  21 // library without restriction.  Specifically, if other files instantiate
  22 // templates or use macros or inline functions from this file, or you compile
  23 // this file and link it with other files to produce an executable, this
  24 // file does not by itself cause the resulting executable to be covered by
  25 // the GNU General Public License.  This exception does not however
  26 // invalidate any other reasons why the executable file might be covered by
  27 // the GNU General Public License.
  28
  29 #include <locale>
  30
  31 namespace std
  32 {
  33   // Definitions for static const data members of ctype_base.
  34   const ctype_base::mask ctype_base::space;
  35   const ctype_base::mask ctype_base::print;
  36   const ctype_base::mask ctype_base::cntrl;
  37   const ctype_base::mask ctype_base::upper;
  38   const ctype_base::mask ctype_base::lower;
  39   const ctype_base::mask ctype_base::alpha;
  40   const ctype_base::mask ctype_base::digit;
  41   const ctype_base::mask ctype_base::punct;
  42   const ctype_base::mask ctype_base::xdigit;
  43   const ctype_base::mask ctype_base::alnum;
  44   const ctype_base::mask ctype_base::graph;
  45
  46   // Definitions for locale::id of standard facets that are specialized.
  47   locale::id ctype<char>::id;
  48
  49 #ifdef _GLIBCXX_USE_WCHAR_T
  50   locale::id ctype<wchar_t>::id;
  51 #endif
  52
  53   template<>
  54     const ctype<char>&
  55     use_facet<ctype<char> >(const locale& __loc)
  56     {
  57       size_t __i = ctype<char>::id._M_id();
  58       const locale::_Impl* __tmp = __loc._M_impl;
  59       return static_cast<const ctype<char>&>(*(__tmp->_M_facets[__i]));
  60     }
  61
  62 #ifdef _GLIBCXX_USE_WCHAR_T
  63   template<>
  64     const ctype<wchar_t>&
  65     use_facet<ctype<wchar_t> >(const locale& __loc)
  66     {
  67       size_t __i = ctype<wchar_t>::id._M_id();
  68       const locale::_Impl* __tmp = __loc._M_impl;
  69       return static_cast<const ctype<wchar_t>&>(*(__tmp->_M_facets[__i]));
  70     }
  71 #endif
  72
  73   // XXX At some point, just rename this file to ctype_configure_char.cc
  74   // and compile it as a separate file instead of including it here.
  75   // Platform-specific initialization code for ctype tables.
  76   #include <bits/ctype_noninline.h>
  77
  78   const size_t ctype<char>::table_size;
  79
  80   ctype<char>::~ctype()
  81   {
  82     _S_destroy_c_locale(_M_c_locale_ctype);
  83     if (_M_del)
  84       delete[] this->table();
  85   }
  86
  87 #ifdef _GLIBCXX_USE_WCHAR_T
  88   ctype<wchar_t>::ctype(size_t __refs)
  89   : __ctype_abstract_base<wchar_t>(__refs)
  90   {
  91     _M_c_locale_ctype = _S_get_c_locale();
  92     _M_initialize_ctype();
  93   }
  94
  95   ctype<wchar_t>::ctype(__c_locale __cloc, size_t __refs)
  96   : __ctype_abstract_base<wchar_t>(__refs)
  97   {
  98     _M_c_locale_ctype = _S_clone_c_locale(__cloc);
  99     _M_initialize_ctype();
 100   }
 101
 102   ctype<wchar_t>::~ctype()
 103   { _S_destroy_c_locale(_M_c_locale_ctype); }
 104
 105   template<>
 106     ctype_byname<wchar_t>::ctype_byname(const char* __s, size_t __refs)
 107     : ctype<wchar_t>(__refs)
 108     {
 109       if (std::strcmp(__s, "C") != 0 && std::strcmp(__s, "POSIX") != 0)
 110         {
 111           _S_destroy_c_locale(_M_c_locale_ctype);
 112           _S_create_c_locale(_M_c_locale_ctype, __s);
 113           _M_initialize_ctype();
 114         }
 115     }
 116 #endif
 117 } // namespace std
 118