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

   1 // Locale support -*- C++ -*-
   2
   3 // Copyright (C) 2000, 2003, 2004, 2005, 2009 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 ctype_inline.h
  26  *  This is an internal header file, included by other library headers.
  27  *  You should not attempt to use it directly.
  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 _GLIBCXX_BEGIN_NAMESPACE(std)
  38
  39   bool
  40   ctype<char>::
  41   is(mask __m, char __c) const
  42   {
  43     if (_M_table)
  44       return _M_table[static_cast<unsigned char>(__c)] & __m;
  45     else
  46       return __istype(__c, __m);
  47   }
  48
  49   const char*
  50   ctype<char>::
  51   is(const char* __low, const char* __high, mask* __vec) const
  52   {
  53     if (_M_table)
  54       while (__low < __high)
  55         *__vec++ = _M_table[static_cast<unsigned char>(*__low++)];
  56     else
  57       for (;__low < __high; ++__vec, ++__low)
  58         {
  59 #if defined (_CTYPE_S) || defined (__istype)
  60           *__vec = __maskrune (*__low, upper | lower | alpha | digit | xdigit
  61                                | space | print | graph | cntrl | punct | alnum);
  62 #else
  63           mask __m = 0;
  64           if (this->is(upper, *__low)) __m |= upper;
  65           if (this->is(lower, *__low)) __m |= lower;
  66           if (this->is(alpha, *__low)) __m |= alpha;
  67           if (this->is(digit, *__low)) __m |= digit;
  68           if (this->is(xdigit, *__low)) __m |= xdigit;
  69           if (this->is(space, *__low)) __m |= space;
  70           if (this->is(print, *__low)) __m |= print;
  71           if (this->is(graph, *__low)) __m |= graph;
  72           if (this->is(cntrl, *__low)) __m |= cntrl;
  73           if (this->is(punct, *__low)) __m |= punct;
  74           // Do not include explicit line for alnum mask since it is a
  75           // pure composite of masks on FreeBSD.
  76           *__vec = __m;
  77 #endif
  78         }
  79     return __high;
  80   }
  81
  82   const char*
  83   ctype<char>::
  84   scan_is(mask __m, const char* __low, const char* __high) const
  85   {
  86     if (_M_table)
  87       while (__low < __high
  88              && !(_M_table[static_cast<unsigned char>(*__low)] & __m))
  89         ++__low;
  90     else
  91       while (__low < __high && !this->is(__m, *__low))
  92         ++__low;
  93     return __low;
  94   }
  95
  96   const char*
  97   ctype<char>::
  98   scan_not(mask __m, const char* __low, const char* __high) const
  99   {
 100     if (_M_table)
 101       while (__low < __high
 102              && (_M_table[static_cast<unsigned char>(*__low)] & __m) != 0)
 103         ++__low;
 104     else
 105       while (__low < __high && this->is(__m, *__low) != 0)
 106         ++__low;
 107     return __low;
 108   }
 109
 110 #ifdef _GLIBCXX_USE_WCHAR_T
 111   inline bool
 112   ctype<wchar_t>::
 113   do_is(mask __m, wchar_t __c) const
 114   {
 115     return __istype (__c, __m);
 116   }
 117
 118   inline const wchar_t*
 119   ctype<wchar_t>::
 120   do_is(const wchar_t* __lo, const wchar_t* __hi, mask* __vec) const
 121   {
 122     for (; __lo < __hi; ++__vec, ++__lo)
 123       *__vec = __maskrune (*__lo, upper | lower | alpha | digit | xdigit
 124                            | space | print | graph | cntrl | punct | alnum);
 125     return __hi;
 126   }
 127
 128   inline const wchar_t*
 129   ctype<wchar_t>::
 130   do_scan_is(mask __m, const wchar_t* __lo, const wchar_t* __hi) const
 131   {
 132     while (__lo < __hi && ! __istype (*__lo, __m))
 133       ++__lo;
 134     return __lo;
 135   }
 136
 137   inline const wchar_t*
 138   ctype<wchar_t>::
 139   do_scan_not(mask __m, const char_type* __lo, const char_type* __hi) const
 140   {
 141     while (__lo < __hi && __istype (*__lo, __m))
 142       ++__lo;
 143     return __lo;
 144   }
 145 #endif
 146
 147 _GLIBCXX_END_NAMESPACE