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

   1 // Locale support -*- C++ -*-
   2
   3 // Copyright (C) 2000, 2003, 2004, 2009, 2010, 2011
   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 namespace std _GLIBCXX_VISIBILITY(default)
  39 {
  40 _GLIBCXX_BEGIN_NAMESPACE_VERSION
  41
  42   bool
  43   ctype<char>::
  44   is(mask __m, char __c) const
  45   {
  46     if (_M_table)
  47       return _M_table[static_cast<unsigned char>(__c)] & __m;
  48     else
  49       return __istype(__c, __m);
  50   }
  51
  52   const char*
  53   ctype<char>::
  54   is(const char* __low, const char* __high, mask* __vec) const
  55   {
  56     if (_M_table)
  57       while (__low < __high)
  58         *__vec++ = _M_table[static_cast<unsigned char>(*__low++)];
  59     else
  60       for (;__low < __high; ++__vec, ++__low)
  61         {
  62 #if defined (_CTYPE_S) || defined (__istype)
  63           *__vec = __maskrune (*__low, upper | lower | alpha | digit | xdigit
  64                                | space | print | graph | cntrl | punct | alnum);
  65 #else
  66           mask __m = 0;
  67           if (this->is(upper, *__low)) __m |= upper;
  68           if (this->is(lower, *__low)) __m |= lower;
  69           if (this->is(alpha, *__low)) __m |= alpha;
  70           if (this->is(digit, *__low)) __m |= digit;
  71           if (this->is(xdigit, *__low)) __m |= xdigit;
  72           if (this->is(space, *__low)) __m |= space;
  73           if (this->is(print, *__low)) __m |= print;
  74           if (this->is(graph, *__low)) __m |= graph;
  75           if (this->is(cntrl, *__low)) __m |= cntrl;
  76           if (this->is(punct, *__low)) __m |= punct;
  77           // Do not include explicit line for alnum mask since it is a
  78           // pure composite of masks on FreeBSD.
  79           *__vec = __m;
  80 #endif
  81         }
  82     return __high;
  83   }
  84
  85   const char*
  86   ctype<char>::
  87   scan_is(mask __m, const char* __low, const char* __high) const
  88   {
  89     if (_M_table)
  90       while (__low < __high
  91              && !(_M_table[static_cast<unsigned char>(*__low)] & __m))
  92         ++__low;
  93     else
  94       while (__low < __high && !this->is(__m, *__low))
  95         ++__low;
  96     return __low;
  97   }
  98
  99   const char*
 100   ctype<char>::
 101   scan_not(mask __m, const char* __low, const char* __high) const
 102   {
 103     if (_M_table)
 104       while (__low < __high
 105              && (_M_table[static_cast<unsigned char>(*__low)] & __m) != 0)
 106         ++__low;
 107     else
 108       while (__low < __high && this->is(__m, *__low) != 0)
 109         ++__low;
 110     return __low;
 111   }
 112
 113 #ifdef _GLIBCXX_USE_WCHAR_T
 114   inline bool
 115   ctype<wchar_t>::
 116   do_is(mask __m, wchar_t __c) const
 117   {
 118     return __istype (__c, __m);
 119   }
 120
 121   inline const wchar_t*
 122   ctype<wchar_t>::
 123   do_is(const wchar_t* __lo, const wchar_t* __hi, mask* __vec) const
 124   {
 125     for (; __lo < __hi; ++__vec, ++__lo)
 126       *__vec = __maskrune (*__lo, upper | lower | alpha | digit | xdigit
 127                            | space | print | graph | cntrl | punct | alnum);
 128     return __hi;
 129   }
 130
 131   inline const wchar_t*
 132   ctype<wchar_t>::
 133   do_scan_is(mask __m, const wchar_t* __lo, const wchar_t* __hi) const
 134   {
 135     while (__lo < __hi && ! __istype (*__lo, __m))
 136       ++__lo;
 137     return __lo;
 138   }
 139
 140   inline const wchar_t*
 141   ctype<wchar_t>::
 142   do_scan_not(mask __m, const char_type* __lo, const char_type* __hi) const
 143   {
 144     while (__lo < __hi && __istype (*__lo, __m))
 145       ++__lo;
 146     return __lo;
 147   }
 148 #endif
 149
 150 _GLIBCXX_END_NAMESPACE_VERSION
 151 } // namespace