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

   1 // Locale support -*- C++ -*-
   2
   3 // Copyright (C) 2000, 2003 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 2, 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 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // As a special exception, you may use this file as part of a free software
  22 // library without restriction.  Specifically, if other files instantiate
  23 // templates or use macros or inline functions from this file, or you compile
  24 // this file and link it with other files to produce an executable, this
  25 // file does not by itself cause the resulting executable to be covered by
  26 // the GNU General Public License.  This exception does not however
  27 // invalidate any other reasons why the executable file might be covered by
  28 // the GNU General Public License.
  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   bool
  38   ctype<char>::
  39   is(mask __m, char __c) const
  40   {
  41     if (_M_table)
  42       return _M_table[static_cast<unsigned char>(__c)] & __m;
  43     else
  44       return __istype(__c, __m);
  45   }
  46
  47   const char*
  48   ctype<char>::
  49   is(const char* __low, const char* __high, mask* __vec) const
  50   {
  51     if (_M_table)
  52       while (__low < __high)
  53         *__vec++ = _M_table[static_cast<unsigned char>(*__low++)];
  54     else
  55       for (;__low < __high; ++__vec, ++__low)
  56         {
  57 #if defined (_CTYPE_S) || defined (__istype)
  58           *__vec = __maskrune (*__low, upper | lower | alpha | digit | xdigit
  59                                | space | print | graph | cntrl | punct | alnum);
  60 #else
  61           mask __m = 0;
  62           if (this->is(upper, *__low)) __m |= upper;
  63           if (this->is(lower, *__low)) __m |= lower;
  64           if (this->is(alpha, *__low)) __m |= alpha;
  65           if (this->is(digit, *__low)) __m |= digit;
  66           if (this->is(xdigit, *__low)) __m |= xdigit;
  67           if (this->is(space, *__low)) __m |= space;
  68           if (this->is(print, *__low)) __m |= print;
  69           if (this->is(graph, *__low)) __m |= graph;
  70           if (this->is(cntrl, *__low)) __m |= cntrl;
  71           if (this->is(punct, *__low)) __m |= punct;
  72           // Do not include explicit line for alnum mask since it is a
  73           // pure composite of masks on FreeBSD.
  74           *__vec = __m;
  75 #endif
  76         }
  77     return __high;
  78   }
  79
  80   const char*
  81   ctype<char>::
  82   scan_is(mask __m, const char* __low, const char* __high) const
  83   {
  84     if (_M_table)
  85       while (__low < __high
  86              && !(_M_table[static_cast<unsigned char>(*__low)] & __m))
  87         ++__low;
  88     else
  89       while (__low < __high && !this->is(__m, *__low))
  90         ++__low;
  91     return __low;
  92   }
  93
  94   const char*
  95   ctype<char>::
  96   scan_not(mask __m, const char* __low, const char* __high) const
  97   {
  98     if (_M_table)
  99       while (__low < __high
 100              && (_M_table[static_cast<unsigned char>(*__low)] & __m) != 0)
 101         ++__low;
 102     else
 103       while (__low < __high && this->is(__m, *__low) != 0)
 104         ++__low;
 105     return __low;
 106   }