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1 | /////////////////////////////////////////////////////////////////////////////// |
2 | // placeholders.hpp | |
3 | // | |
4 | // Copyright 2008 Eric Niebler. Distributed under the Boost | |
5 | // Software License, Version 1.0. (See accompanying file | |
6 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
7 | ||
8 | #ifndef BOOST_XPRESSIVE_DETAIL_STATIC_PLACEHOLDERS_HPP_EAN_10_04_2005 | |
9 | #define BOOST_XPRESSIVE_DETAIL_STATIC_PLACEHOLDERS_HPP_EAN_10_04_2005 | |
10 | ||
11 | // MS compatible compilers support #pragma once | |
12 | #if defined(_MSC_VER) | |
13 | # pragma once | |
14 | # pragma warning(push) | |
15 | # pragma warning(disable:4510) // default constructor could not be generated | |
16 | # pragma warning(disable:4610) // can never be instantiated - user defined constructor required | |
17 | #endif | |
18 | ||
19 | #include <string> | |
20 | #include <boost/shared_ptr.hpp> | |
21 | #include <boost/xpressive/detail/core/quant_style.hpp> | |
22 | #include <boost/xpressive/detail/core/regex_impl.hpp> | |
23 | ||
24 | namespace boost { namespace xpressive { namespace detail | |
25 | { | |
26 | ||
27 | /////////////////////////////////////////////////////////////////////////////// | |
28 | // mark_placeholder | |
29 | // | |
30 | struct mark_placeholder | |
31 | { | |
32 | BOOST_XPR_QUANT_STYLE(quant_variable_width, unknown_width::value, true) | |
33 | ||
34 | int mark_number_; | |
35 | }; | |
36 | ||
37 | /////////////////////////////////////////////////////////////////////////////// | |
38 | // posix_charset_placeholder | |
39 | // | |
40 | struct posix_charset_placeholder | |
41 | { | |
42 | BOOST_XPR_QUANT_STYLE(quant_fixed_width, 1, true) | |
43 | ||
44 | char const *name_; | |
45 | bool not_; | |
46 | }; | |
47 | ||
48 | /////////////////////////////////////////////////////////////////////////////// | |
49 | // assert_word_placeholder | |
50 | // | |
51 | template<typename Cond> | |
52 | struct assert_word_placeholder | |
53 | { | |
54 | BOOST_XPR_QUANT_STYLE(quant_none, 0, true) | |
55 | }; | |
56 | ||
57 | /////////////////////////////////////////////////////////////////////////////// | |
58 | // range_placeholder | |
59 | // | |
60 | template<typename Char> | |
61 | struct range_placeholder | |
62 | { | |
63 | BOOST_XPR_QUANT_STYLE(quant_fixed_width, 1, true) | |
64 | ||
65 | Char ch_min_; | |
66 | Char ch_max_; | |
67 | bool not_; | |
68 | }; | |
69 | ||
70 | /////////////////////////////////////////////////////////////////////////////// | |
71 | // assert_bol_placeholder | |
72 | // | |
73 | struct assert_bol_placeholder | |
74 | { | |
75 | BOOST_XPR_QUANT_STYLE(quant_none, 0, true) | |
76 | }; | |
77 | ||
78 | /////////////////////////////////////////////////////////////////////////////// | |
79 | // assert_eol_placeholder | |
80 | // | |
81 | struct assert_eol_placeholder | |
82 | { | |
83 | BOOST_XPR_QUANT_STYLE(quant_none, 0, true) | |
84 | }; | |
85 | ||
86 | /////////////////////////////////////////////////////////////////////////////// | |
87 | // logical_newline_placeholder | |
88 | // | |
89 | struct logical_newline_placeholder | |
90 | { | |
91 | BOOST_XPR_QUANT_STYLE(quant_variable_width, unknown_width::value, true) | |
92 | }; | |
93 | ||
94 | /////////////////////////////////////////////////////////////////////////////// | |
95 | // self_placeholder | |
96 | // | |
97 | struct self_placeholder | |
98 | { | |
99 | BOOST_XPR_QUANT_STYLE(quant_variable_width, unknown_width::value, false) | |
100 | }; | |
101 | ||
102 | /////////////////////////////////////////////////////////////////////////////// | |
103 | // attribute_placeholder | |
104 | // | |
105 | template<typename Nbr> | |
106 | struct attribute_placeholder | |
107 | { | |
108 | BOOST_XPR_QUANT_STYLE(quant_variable_width, unknown_width::value, false) | |
109 | ||
110 | typedef Nbr nbr_type; | |
111 | static Nbr nbr() { return Nbr(); } | |
112 | }; | |
113 | ||
114 | }}} // namespace boost::xpressive::detail | |
115 | ||
116 | #if defined(_MSC_VER) | |
117 | # pragma warning(pop) | |
118 | #endif | |
119 | ||
120 | #endif |