1/*=============================================================================
2 Copyright (c) 2001-2003 Joel de Guzman
3 Copyright (c) 2001-2003 Daniel Nuffer
4 http://spirit.sourceforge.net/
5
6 Distributed under the Boost Software License, Version 1.0. (See accompanying
7 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
8=============================================================================*/
9#ifndef BOOST_SPIRIT_BASIC_CHSET_HPP
10#define BOOST_SPIRIT_BASIC_CHSET_HPP
11
12///////////////////////////////////////////////////////////////////////////////
13#include <bitset>
14#include <climits>
15#include <boost/spirit/home/classic/utility/impl/chset/range_run.hpp>
16#include <boost/spirit/home/classic/namespace.hpp>
17
18namespace boost { namespace spirit {
19
20BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN
21
22 ///////////////////////////////////////////////////////////////////////////
23 //
24 // basic_chset: basic character set implementation using range_run
25 //
26 ///////////////////////////////////////////////////////////////////////////
27 template <typename CharT>
28 class basic_chset
29 {
30 public:
31 basic_chset();
32 basic_chset(basic_chset const& arg_);
33
34 bool test(CharT v) const;
35 void set(CharT from, CharT to);
36 void set(CharT c);
37 void clear(CharT from, CharT to);
38 void clear(CharT c);
39 void clear();
40
41 void inverse();
42 void swap(basic_chset& x);
43
44 basic_chset& operator|=(basic_chset const& x);
45 basic_chset& operator&=(basic_chset const& x);
46 basic_chset& operator-=(basic_chset const& x);
47 basic_chset& operator^=(basic_chset const& x);
48
49 private: utility::impl::range_run<CharT> rr;
50 };
51
52 #if (CHAR_BIT == 8)
53
54 ///////////////////////////////////////////////////////////////////////////
55 //
56 // basic_chset: specializations for 8 bit chars using std::bitset
57 //
58 ///////////////////////////////////////////////////////////////////////////
59 template <typename CharT>
60 class basic_chset_8bit {
61
62 public:
63 basic_chset_8bit();
64 basic_chset_8bit(basic_chset_8bit const& arg_);
65
66 bool test(CharT v) const;
67 void set(CharT from, CharT to);
68 void set(CharT c);
69 void clear(CharT from, CharT to);
70 void clear(CharT c);
71 void clear();
72
73 void inverse();
74 void swap(basic_chset_8bit& x);
75
76 basic_chset_8bit& operator|=(basic_chset_8bit const& x);
77 basic_chset_8bit& operator&=(basic_chset_8bit const& x);
78 basic_chset_8bit& operator-=(basic_chset_8bit const& x);
79 basic_chset_8bit& operator^=(basic_chset_8bit const& x);
80
81 private: std::bitset<256> bset;
82 };
83
84 /////////////////////////////////
85 template <>
86 class basic_chset<char>
87 : public basic_chset_8bit<char> {};
88
89 /////////////////////////////////
90 template <>
91 class basic_chset<signed char>
92 : public basic_chset_8bit<signed char> {};
93
94 /////////////////////////////////
95 template <>
96 class basic_chset<unsigned char>
97 : public basic_chset_8bit<unsigned char> {};
98
99#endif
100
101BOOST_SPIRIT_CLASSIC_NAMESPACE_END
102
103}} // namespace BOOST_SPIRIT_CLASSIC_NS
104
105#endif
106
107#include <boost/spirit/home/classic/utility/impl/chset/basic_chset.ipp>
108

source code of boost/libs/spirit/include/boost/spirit/home/classic/utility/impl/chset/basic_chset.hpp