|
Chris@16
|
1 /*=============================================================================
|
|
Chris@16
|
2 Copyright (c) 2001-2011 Joel de Guzman
|
|
Chris@16
|
3
|
|
Chris@16
|
4 Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
Chris@16
|
5 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
Chris@16
|
6 ==============================================================================*/
|
|
Chris@16
|
7 #if !defined(BOOST_SPIRIT_SUCCESS_HANDLER_FEBRUARY_25_2011_1051AM)
|
|
Chris@16
|
8 #define BOOST_SPIRIT_SUCCESS_HANDLER_FEBRUARY_25_2011_1051AM
|
|
Chris@16
|
9
|
|
Chris@16
|
10 #if defined(_MSC_VER)
|
|
Chris@16
|
11 #pragma once
|
|
Chris@16
|
12 #endif
|
|
Chris@16
|
13
|
|
Chris@16
|
14 #include <boost/spirit/home/qi/nonterminal/rule.hpp>
|
|
Chris@16
|
15 #include <boost/function.hpp>
|
|
Chris@16
|
16
|
|
Chris@16
|
17 namespace boost { namespace spirit { namespace qi
|
|
Chris@16
|
18 {
|
|
Chris@16
|
19 template <
|
|
Chris@16
|
20 typename Iterator, typename Context
|
|
Chris@16
|
21 , typename Skipper, typename F
|
|
Chris@16
|
22 >
|
|
Chris@16
|
23 struct success_handler
|
|
Chris@16
|
24 {
|
|
Chris@16
|
25 typedef function<
|
|
Chris@16
|
26 bool(Iterator& first, Iterator const& last
|
|
Chris@16
|
27 , Context& context
|
|
Chris@16
|
28 , Skipper const& skipper
|
|
Chris@16
|
29 )>
|
|
Chris@16
|
30 function_type;
|
|
Chris@16
|
31
|
|
Chris@16
|
32 success_handler(function_type subject_, F f_)
|
|
Chris@16
|
33 : subject(subject_)
|
|
Chris@16
|
34 , f(f_)
|
|
Chris@16
|
35 {
|
|
Chris@16
|
36 }
|
|
Chris@16
|
37
|
|
Chris@16
|
38 bool operator()(
|
|
Chris@16
|
39 Iterator& first, Iterator const& last
|
|
Chris@16
|
40 , Context& context, Skipper const& skipper) const
|
|
Chris@16
|
41 {
|
|
Chris@16
|
42 Iterator i = first;
|
|
Chris@16
|
43 bool r = subject(i, last, context, skipper);
|
|
Chris@16
|
44 if (r)
|
|
Chris@16
|
45 {
|
|
Chris@16
|
46 typedef
|
|
Chris@16
|
47 fusion::vector<
|
|
Chris@16
|
48 Iterator&
|
|
Chris@16
|
49 , Iterator const&
|
|
Chris@16
|
50 , Iterator const&>
|
|
Chris@16
|
51 params;
|
|
Chris@16
|
52 skip_over(first, last, skipper);
|
|
Chris@16
|
53 params args(first, last, i);
|
|
Chris@16
|
54 f(args, context);
|
|
Chris@16
|
55
|
|
Chris@16
|
56 first = i;
|
|
Chris@16
|
57 }
|
|
Chris@16
|
58 return r;
|
|
Chris@16
|
59 }
|
|
Chris@16
|
60
|
|
Chris@16
|
61 function_type subject;
|
|
Chris@16
|
62 F f;
|
|
Chris@16
|
63 };
|
|
Chris@16
|
64
|
|
Chris@16
|
65 template <
|
|
Chris@16
|
66 typename Iterator, typename T0, typename T1, typename T2
|
|
Chris@16
|
67 , typename F>
|
|
Chris@16
|
68 void on_success(rule<Iterator, T0, T1, T2>& r, F f)
|
|
Chris@16
|
69 {
|
|
Chris@16
|
70 typedef rule<Iterator, T0, T1, T2> rule_type;
|
|
Chris@16
|
71
|
|
Chris@16
|
72 typedef
|
|
Chris@16
|
73 success_handler<
|
|
Chris@16
|
74 Iterator
|
|
Chris@16
|
75 , typename rule_type::context_type
|
|
Chris@16
|
76 , typename rule_type::skipper_type
|
|
Chris@16
|
77 , F>
|
|
Chris@16
|
78 success_handler;
|
|
Chris@16
|
79 r.f = success_handler(r.f, f);
|
|
Chris@16
|
80 }
|
|
Chris@16
|
81 }}}
|
|
Chris@16
|
82
|
|
Chris@16
|
83 #endif
|
