1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/*=============================================================================
Copyright (c) 2001-2003 Joel de Guzman
Copyright (c) 2001-2003 Daniel Nuffer
http://spirit.sourceforge.net/
Use, modification and distribution is subject to the Boost Software
License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
#ifndef BOOST_XPRESSIVE_SPIRIT_BASIC_CHSET_HPP_EAN_10_04_2005
#define BOOST_XPRESSIVE_SPIRIT_BASIC_CHSET_HPP_EAN_10_04_2005
///////////////////////////////////////////////////////////////////////////////
#include <bitset>
#include <boost/mpl/bool.hpp>
#include <boost/xpressive/detail/utility/chset/range_run.ipp>
namespace boost { namespace xpressive { namespace detail
{
///////////////////////////////////////////////////////////////////////////
//
// basic_chset: basic character set implementation using range_run
//
///////////////////////////////////////////////////////////////////////////
template<typename Char>
struct basic_chset
{
basic_chset();
basic_chset(basic_chset const &arg);
bool empty() const;
void set(Char from, Char to);
template<typename Traits>
void set(Char from, Char to, Traits const &tr);
void set(Char c);
template<typename Traits>
void set(Char c, Traits const &tr);
void clear(Char from, Char to);
template<typename Traits>
void clear(Char from, Char to, Traits const &tr);
void clear(Char c);
template<typename Traits>
void clear(Char c, Traits const &tr);
void clear();
template<typename Traits>
bool test(Char v, Traits const &tr, mpl::false_) const; // case-sensitive
template<typename Traits>
bool test(Char v, Traits const &tr, mpl::true_) const; // case-insensitive
void inverse();
void swap(basic_chset& x);
basic_chset &operator |=(basic_chset const &x);
basic_chset &operator &=(basic_chset const &x);
basic_chset &operator -=(basic_chset const &x);
basic_chset &operator ^=(basic_chset const &x);
private:
range_run<Char> rr_;
};
#if(CHAR_BIT == 8)
///////////////////////////////////////////////////////////////////////////
//
// basic_chset: specializations for 8 bit chars using std::bitset
//
///////////////////////////////////////////////////////////////////////////
template<typename Char>
struct basic_chset_8bit
{
basic_chset_8bit();
basic_chset_8bit(basic_chset_8bit const &arg);
bool empty() const;
void set(Char from, Char to);
template<typename Traits>
void set(Char from, Char to, Traits const &tr);
void set(Char c);
template<typename Traits>
void set(Char c, Traits const &tr);
void clear(Char from, Char to);
template<typename Traits>
void clear(Char from, Char to, Traits const &tr);
void clear(Char c);
template<typename Traits>
void clear(Char c, Traits const &tr);
void clear();
template<typename Traits>
bool test(Char v, Traits const &tr, mpl::false_) const; // case-sensitive
template<typename Traits>
bool test(Char v, Traits const &tr, mpl::true_) const; // case-insensitive
void inverse();
void swap(basic_chset_8bit& x);
basic_chset_8bit &operator |=(basic_chset_8bit const &x);
basic_chset_8bit &operator &=(basic_chset_8bit const &x);
basic_chset_8bit &operator -=(basic_chset_8bit const &x);
basic_chset_8bit &operator ^=(basic_chset_8bit const &x);
std::bitset<256> const &base() const;
private:
std::bitset<256> bset_; // BUGBUG range-checking slows this down
};
/////////////////////////////////
template<>
struct basic_chset<char>
: basic_chset_8bit<char>
{
};
/////////////////////////////////
template<>
struct basic_chset<signed char>
: basic_chset_8bit<signed char>
{
};
/////////////////////////////////
template<>
struct basic_chset<unsigned char>
: basic_chset_8bit<unsigned char>
{
};
#endif
///////////////////////////////////////////////////////////////////////////////
// is_narrow_char
template<typename Char>
struct is_narrow_char
: mpl::false_
{};
template<>
struct is_narrow_char<char>
: mpl::true_
{};
template<>
struct is_narrow_char<signed char>
: mpl::true_
{};
template<>
struct is_narrow_char<unsigned char>
: mpl::true_
{};
///////////////////////////////////////////////////////////////////////////////
// helpers
template<typename Char, typename Traits>
void set_char(basic_chset<Char> &chset, Char ch, Traits const &tr, bool icase);
template<typename Char, typename Traits>
void set_range(basic_chset<Char> &chset, Char from, Char to, Traits const &tr, bool icase);
template<typename Char, typename Traits>
void set_class(basic_chset<Char> &chset, typename Traits::char_class_type char_class, bool no, Traits const &tr);
}}} // namespace boost::xpressive::detail
#endif
|
