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>::
is(mask __m,char __c)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>::
is(const char * __low,const char * __high,mask * __vec)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>::
scan_is(mask __m,const char * __low,const char * __high)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>::
scan_not(mask __m,const char * __low,const char * __high)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   }
107