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1 | /*============================================================================= |
2 | Copyright (c) 2003 Jonathan de Halleux (dehalleux@pelikhan.com) | |
3 | http://spirit.sourceforge.net/ | |
4 | ||
5 | Distributed under the Boost Software License, Version 1.0. (See accompanying | |
6 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
7 | =============================================================================*/ | |
8 | #ifndef BOOST_SPIRIT_ACTOR_REF_ACTOR_HPP | |
9 | #define BOOST_SPIRIT_ACTOR_REF_ACTOR_HPP | |
10 | ||
11 | #include <boost/spirit/home/classic/namespace.hpp> | |
12 | ||
13 | namespace boost { namespace spirit { | |
14 | ||
15 | BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN | |
16 | ||
17 | /////////////////////////////////////////////////////////////////////////// | |
18 | // Summary: | |
19 | // A semantic action policy holder. This holder stores a reference to ref, | |
20 | // act methods are fead with this reference. The parse result is not used | |
21 | // by this holder. | |
22 | // | |
23 | // (This doc uses convention available in actors.hpp) | |
24 | // | |
25 | // Constructor: | |
26 | // ...(T& ref_); | |
27 | // where ref_ is stored. | |
28 | // | |
29 | // Action calls: | |
30 | // act(ref); | |
31 | // | |
32 | // () operators: both | |
33 | // | |
34 | /////////////////////////////////////////////////////////////////////////// | |
35 | template< | |
36 | typename T, | |
37 | typename ActionT | |
38 | > | |
39 | class ref_actor : public ActionT | |
40 | { | |
41 | private: | |
42 | T& ref; | |
43 | public: | |
44 | explicit | |
45 | ref_actor(T& ref_) | |
46 | : ref(ref_){} | |
47 | ||
48 | ||
49 | template<typename T2> | |
50 | void operator()(T2 const& /*val*/) const | |
51 | { | |
52 | this->act(ref); // defined in ActionT | |
53 | } | |
54 | ||
55 | ||
56 | template<typename IteratorT> | |
57 | void operator()( | |
58 | IteratorT const& /*first*/, | |
59 | IteratorT const& /*last*/ | |
60 | ) const | |
61 | { | |
62 | this->act(ref); // defined in ActionT | |
63 | } | |
64 | }; | |
65 | ||
66 | BOOST_SPIRIT_CLASSIC_NAMESPACE_END | |
67 | ||
68 | }} | |
69 | ||
70 | #endif |