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

   1 // Locale support -*- C++ -*-
   2
   3 // Copyright (C) 2000-2013 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 #else
  65           mask __m = 0;
  66           if (this->is(upper, *__low)) __m |= upper;
  67           if (this->is(lower, *__low)) __m |= lower;
  68           if (this->is(alpha, *__low)) __m |= alpha;
  69           if (this->is(digit, *__low)) __m |= digit;
  70           if (this->is(xdigit, *__low)) __m |= xdigit;
  71           if (this->is(space, *__low)) __m |= space;
  72           if (this->is(print, *__low)) __m |= print;
  73           if (this->is(graph, *__low)) __m |= graph;
  74           if (this->is(cntrl, *__low)) __m |= cntrl;
  75           if (this->is(punct, *__low)) __m |= punct;
  76           // Do not include explicit line for alnum mask since it is a
  77           // pure composite of masks on FreeBSD.
  78           *__vec = __m;
  79 #endif
  80         }
  81     return __high;
  82   }
  83
  84   const char*
  85   ctype<char>::
  86   scan_is(mask __m, const char* __low, const char* __high) const
  87   {
  88     if (_M_table)
  89       while (__low < __high
  90              && !(_M_table[static_cast<unsigned char>(*__low)] & __m))
  91         ++__low;
  92     else
  93       while (__low < __high && !this->is(__m, *__low))
  94         ++__low;
  95     return __low;
  96   }
  97
  98   const char*
  99   ctype<char>::
 100   scan_not(mask __m, const char* __low, const char* __high) const
 101   {
 102     if (_M_table)
 103       while (__low < __high
 104              && (_M_table[static_cast<unsigned char>(*__low)] & __m) != 0)
 105         ++__low;
 106     else
 107       while (__low < __high && this->is(__m, *__low) != 0)
 108         ++__low;
 109     return __low;
 110   }
 111
 112 #ifdef _GLIBCXX_USE_WCHAR_T
 113   inline bool
 114   ctype<wchar_t>::
 115   do_is(mask __m, wchar_t __c) const
 116   {
 117     return __istype (__c, __m);
 118   }
 119
 120   inline const wchar_t*
 121   ctype<wchar_t>::
 122   do_is(const wchar_t* __lo, const wchar_t* __hi, mask* __vec) const
 123   {
 124     for (; __lo < __hi; ++__vec, ++__lo)
 125       *__vec = __maskrune (*__lo, upper | lower | alpha | digit | xdigit
 126                            | space | print | graph | cntrl | punct | alnum);
 127     return __hi;
 128   }
 129
 130   inline const wchar_t*
 131   ctype<wchar_t>::
 132   do_scan_is(mask __m, const wchar_t* __lo, const wchar_t* __hi) const
 133   {
 134     while (__lo < __hi && ! __istype (*__lo, __m))
 135       ++__lo;
 136     return __lo;
 137   }
 138
 139   inline const wchar_t*
 140   ctype<wchar_t>::
 141   do_scan_not(mask __m, const char_type* __lo, const char_type* __hi) const
 142   {
 143     while (__lo < __hi && __istype (*__lo, __m))
 144       ++__lo;
 145     return __lo;
 146   }
 147 #endif
 148
 149 _GLIBCXX_END_NAMESPACE_VERSION
 150 } // namespace