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/Src/Dependencies/Boost/boost/spirit/home/classic/actor/ref_const_ref_actor.hpp

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C++ Header | 78 lines | 41 code | 11 blank | 26 comment | 0 complexity | 7fcc34505be891f7ff839fc0218281f3 MD5 | raw file
 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_CONST_REF_ACTOR_HPP
 9#define BOOST_SPIRIT_ACTOR_REF_CONST_REF_ACTOR_HPP
10
11#include <boost/spirit/home/classic/namespace.hpp>
12
13namespace boost { namespace spirit {
14
15BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN
16
17    ///////////////////////////////////////////////////////////////////////////
18    //  Summary:
19    //  A semantic action policy holder. This holder stores a reference to ref
20    //  and a const reference to value_ref.
21    //  act methods are feed with ref and value_ref. The parse result is
22    //  not used by this holder.
23    //
24    //  (This doc uses convention available in actors.hpp)
25    //
26    //  Constructor:
27    //      ...(T& ref_, ValueT const& value_ref_);
28    //      where ref_ and value_ref_ are stored in the holder.
29    //
30    //  Action calls:
31    //      act(ref, value_ref);
32    //
33    //  () operators: both
34    //
35    ///////////////////////////////////////////////////////////////////////////
36    template<
37        typename T,
38        typename ValueT,
39        typename ActionT
40    >
41    class ref_const_ref_actor : public ActionT
42    {
43    private:
44        T& ref;
45        ValueT const& value_ref;
46    public:
47        ref_const_ref_actor(
48            T& ref_,
49            ValueT const& value_ref_
50            )
51        :
52            ref(ref_),
53            value_ref(value_ref_)
54        {}
55
56
57        template<typename T2>
58        void operator()(T2 const& /*val*/) const
59        {
60            this->act(ref,value_ref); // defined in ActionT
61        }
62
63
64        template<typename IteratorT>
65            void operator()(
66            IteratorT const& /*first*/,
67            IteratorT const& /*last*/
68            ) const
69        {
70            this->act(ref,value_ref); // defined in ActionT
71        }
72    };
73
74BOOST_SPIRIT_CLASSIC_NAMESPACE_END
75
76}}
77
78#endif