libstdc++-v3/config/os/bsd/darwin/ctype_inline.h

   1 // Locale support -*- C++ -*-
   2
   3 // Copyright (C) 2000, 2003, 2004, 2009, 2010
   4 // Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // Under Section 7 of GPL version 3, you are granted additional
  18 // permissions described in the GCC Runtime Library Exception, version
  19 // 3.1, as published by the Free Software Foundation.
  20
  21 // You should have received a copy of the GNU General Public License and
  22 // a copy of the GCC Runtime Library Exception along with this program;
  23 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  24 // <http://www.gnu.org/licenses/>.
  25
  26 /** @file bits/ctype_inline.h
  27  *  This is an internal header file, included by other library headers.
  28  *  Do not attempt to use it directly. @headername{locale}
  29  */
  30
  31 //
  32 // ISO C++ 14882: 22.1  Locales
  33 //
  34
  35 // ctype bits to be inlined go here. Non-inlinable (ie virtual do_*)
  36 // functions go in ctype.cc
  37
  38 _GLIBCXX_BEGIN_NAMESPACE(std)
  39
  40   bool
  41   ctype<char>::
  42   is(mask __m, char __c) const
  43   {
  44     if (_M_table)
  45       return _M_table[static_cast<unsigned char>(__c)] & __m;
  46     else
  47       return __istype(__c, __m);
  48   }
  49
  50   const char*
  51   ctype<char>::
  52   is(const char* __low, const char* __high, mask* __vec) const
  53   {
  54     if (_M_table)
  55       while (__low < __high)
  56         *__vec++ = _M_table[static_cast<unsigned char>(*__low++)];
  57     else
  58       for (;__low < __high; ++__vec, ++__low)
  59         {
  60 #if defined (_CTYPE_S) || defined (__istype)
  61           *__vec = __maskrune (*__low, upper | lower | alpha | digit | xdigit
  62                                | space | print | graph | cntrl | punct | alnum);
  63 #else
  64           mask __m = 0;
  65           if (this->is(upper, *__low)) __m |= upper;
  66           if (this->is(lower, *__low)) __m |= lower;
  67           if (this->is(alpha, *__low)) __m |= alpha;
  68           if (this->is(digit, *__low)) __m |= digit;
  69           if (this->is(xdigit, *__low)) __m |= xdigit;
  70           if (this->is(space, *__low)) __m |= space;
  71           if (this->is(print, *__low)) __m |= print;
  72           if (this->is(graph, *__low)) __m |= graph;
  73           if (this->is(cntrl, *__low)) __m |= cntrl;
  74           if (this->is(punct, *__low)) __m |= punct;
  75           // Do not include explicit line for alnum mask since it is a
  76           // pure composite of masks on FreeBSD.
  77           *__vec = __m;
  78 #endif
  79         }
  80     return __high;
  81   }
  82
  83   const char*
  84   ctype<char>::
  85   scan_is(mask __m, const char* __low, const char* __high) const
  86   {
  87     if (_M_table)
  88       while (__low < __high
  89              && !(_M_table[static_cast<unsigned char>(*__low)] & __m))
  90         ++__low;
  91     else
  92       while (__low < __high && !this->is(__m, *__low))
  93         ++__low;
  94     return __low;
  95   }
  96
  97   const char*
  98   ctype<char>::
  99   scan_not(mask __m, const char* __low, const char* __high) const
 100   {
 101     if (_M_table)
 102       while (__low < __high
 103              && (_M_table[static_cast<unsigned char>(*__low)] & __m) != 0)
 104         ++__low;
 105     else
 106       while (__low < __high && this->is(__m, *__low) != 0)
 107         ++__low;
 108     return __low;
 109   }
 110
 111 #ifdef _GLIBCXX_USE_WCHAR_T
 112   inline bool
 113   ctype<wchar_t>::
 114   do_is(mask __m, wchar_t __c) const
 115   {
 116     return __istype (__c, __m);
 117   }
 118
 119   inline const wchar_t*
 120   ctype<wchar_t>::
 121   do_is(const wchar_t* __lo, const wchar_t* __hi, mask* __vec) const
 122   {
 123     for (; __lo < __hi; ++__vec, ++__lo)
 124       *__vec = __maskrune (*__lo, upper | lower | alpha | digit | xdigit
 125                            | space | print | graph | cntrl | punct | alnum);
 126     return __hi;
 127   }
 128
 129   inline const wchar_t*
 130   ctype<wchar_t>::
 131   do_scan_is(mask __m, const wchar_t* __lo, const wchar_t* __hi) const
 132   {
 133     while (__lo < __hi && ! __istype (*__lo, __m))
 134       ++__lo;
 135     return __lo;
 136   }
 137
 138   inline const wchar_t*
 139   ctype<wchar_t>::
 140   do_scan_not(mask __m, const char_type* __lo, const char_type* __hi) const
 141   {
 142     while (__lo < __hi && __istype (*__lo, __m))
 143       ++__lo;
 144     return __lo;
 145   }
 146 #endif
 147
 148 _GLIBCXX_END_NAMESPACE