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1 | /*============================================================================= |
2 | Copyright (c) 1998-2003 Joel de Guzman | |
3 | http://spirit.sourceforge.net/ | |
4 | ||
5 | Use, modification and distribution is subject to the Boost Software | |
6 | License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
7 | http://www.boost.org/LICENSE_1_0.txt) | |
8 | =============================================================================*/ | |
9 | #if !defined(BOOST_SPIRIT_MATCH_IPP) | |
10 | #define BOOST_SPIRIT_MATCH_IPP | |
11 | #include <algorithm> | |
12 | ||
13 | namespace boost { namespace spirit { | |
14 | ||
15 | BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN | |
16 | ||
17 | template <typename T> | |
18 | inline match<T>::match() | |
19 | : len(-1), val() {} | |
20 | ||
21 | template <typename T> | |
22 | inline match<T>::match(std::size_t length_) | |
23 | : len(length_), val() {} | |
24 | ||
25 | template <typename T> | |
26 | inline match<T>::match(std::size_t length_, ctor_param_t val_) | |
27 | : len(length_), val(val_) {} | |
28 | ||
29 | template <typename T> | |
30 | inline bool | |
31 | match<T>::operator!() const | |
32 | { | |
33 | return len < 0; | |
34 | } | |
35 | ||
36 | template <typename T> | |
37 | inline std::ptrdiff_t | |
38 | match<T>::length() const | |
39 | { | |
40 | return len; | |
41 | } | |
42 | ||
43 | template <typename T> | |
44 | inline bool | |
45 | match<T>::has_valid_attribute() const | |
46 | { | |
47 | return val.is_initialized(); | |
48 | } | |
49 | ||
50 | template <typename T> | |
51 | inline typename match<T>::return_t | |
52 | match<T>::value() const | |
53 | { | |
54 | BOOST_SPIRIT_ASSERT(val.is_initialized()); | |
55 | return *val; | |
56 | } | |
57 | ||
58 | template <typename T> | |
59 | inline void | |
60 | match<T>::swap(match& other) | |
61 | { | |
62 | std::swap(len, other.len); | |
63 | std::swap(val, other.val); | |
64 | } | |
65 | ||
66 | inline match<nil_t>::match() | |
67 | : len(-1) {} | |
68 | ||
69 | inline match<nil_t>::match(std::size_t length_) | |
70 | : len(length_) {} | |
71 | ||
72 | inline match<nil_t>::match(std::size_t length_, nil_t) | |
73 | : len(length_) {} | |
74 | ||
75 | inline bool | |
76 | match<nil_t>::operator!() const | |
77 | { | |
78 | return len < 0; | |
79 | } | |
80 | ||
81 | inline bool | |
82 | match<nil_t>::has_valid_attribute() const | |
83 | { | |
84 | return false; | |
85 | } | |
86 | ||
87 | inline std::ptrdiff_t | |
88 | match<nil_t>::length() const | |
89 | { | |
90 | return len; | |
91 | } | |
92 | ||
93 | inline nil_t | |
94 | match<nil_t>::value() const | |
95 | { | |
96 | return nil_t(); | |
97 | } | |
98 | ||
99 | inline void | |
100 | match<nil_t>::value(nil_t) {} | |
101 | ||
102 | inline void | |
103 | match<nil_t>::swap(match<nil_t>& other) | |
104 | { | |
105 | std::swap(len, other.len); | |
106 | } | |
107 | ||
108 | BOOST_SPIRIT_CLASSIC_NAMESPACE_END | |
109 | ||
110 | }} // namespace boost::spirit | |
111 | ||
112 | #endif | |
113 |