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

   1 // Locale support -*- C++ -*-
   2
   3 // Copyright (C) 2000-2023 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 /** @file bits/ctype_inline.h
  26  *  This is an internal header file, included by other library headers.
  27  *  Do not attempt to use it directly. @headername{locale}
  28  */
  29
  30 //
  31 // ISO C++ 14882: 22.1  Locales
  32 //
  33
  34 // ctype bits to be inlined go here. Non-inlinable (ie virtual do_*)
  35 // functions go in ctype.cc
  36
  37 namespace std _GLIBCXX_VISIBILITY(default)
  38 {
  39 _GLIBCXX_BEGIN_NAMESPACE_VERSION
  40
  41   bool
  42   ctype<char>::
  43   is(mask __m, char __c) const
  44   {
  45     if (_M_table)
  46       return _M_table[static_cast<unsigned char>(__c)] & __m;
  47     else
  48       return __istype(__c, __m);
  49   }
  50
  51   const char*
  52   ctype<char>::
  53   is(const char* __low, const char* __high, mask* __vec) const
  54   {
  55     if (_M_table)
  56       while (__low < __high)
  57         *__vec++ = _M_table[static_cast<unsigned char>(*__low++)];
  58     else
  59       for (;__low < __high; ++__vec, ++__low)
  60         {
  61 #if defined (_CTYPE_S) || defined (__istype)
  62           *__vec = __maskrune (*__low, upper | lower | alpha | digit | xdigit
  63                                | space | print | graph | cntrl | punct | alnum
  64                                | blank);
  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           if (this->is(blank, *__low)) __m |= blank;
  80           *__vec = __m;
  81 #endif
  82         }
  83     return __high;
  84   }
  85
  86   const char*
  87   ctype<char>::
  88   scan_is(mask __m, const char* __low, const char* __high) const
  89   {
  90     if (_M_table)
  91       while (__low < __high
  92              && !(_M_table[static_cast<unsigned char>(*__low)] & __m))
  93         ++__low;
  94     else
  95       while (__low < __high && !this->is(__m, *__low))
  96         ++__low;
  97     return __low;
  98   }
  99
 100   const char*
 101   ctype<char>::
 102   scan_not(mask __m, const char* __low, const char* __high) const
 103   {
 104     if (_M_table)
 105       while (__low < __high
 106              && (_M_table[static_cast<unsigned char>(*__low)] & __m) != 0)
 107         ++__low;
 108     else
 109       while (__low < __high && this->is(__m, *__low) != 0)
 110         ++__low;
 111     return __low;
 112   }
 113
 114 #ifdef _GLIBCXX_USE_WCHAR_T
 115   inline bool
 116   ctype<wchar_t>::
 117   do_is(mask __m, wchar_t __c) const
 118   {
 119     return __istype (__c, __m);
 120   }
 121
 122   inline const wchar_t*
 123   ctype<wchar_t>::
 124   do_is(const wchar_t* __lo, const wchar_t* __hi, mask* __vec) const
 125   {
 126     for (; __lo < __hi; ++__vec, ++__lo)
 127       *__vec = __maskrune (*__lo, upper | lower | alpha | digit | xdigit
 128                            | space | print | graph | cntrl | punct | alnum
 129                            | blank);
 130     return __hi;
 131   }
 132
 133   inline const wchar_t*
 134   ctype<wchar_t>::
 135   do_scan_is(mask __m, const wchar_t* __lo, const wchar_t* __hi) const
 136   {
 137     while (__lo < __hi && ! __istype (*__lo, __m))
 138       ++__lo;
 139     return __lo;
 140   }
 141
 142   inline const wchar_t*
 143   ctype<wchar_t>::
 144   do_scan_not(mask __m, const char_type* __lo, const char_type* __hi) const
 145   {
 146     while (__lo < __hi && __istype (*__lo, __m))
 147       ++__lo;
 148     return __lo;
 149   }
 150 #endif
 151
 152 _GLIBCXX_END_NAMESPACE_VERSION
 153 } // namespace