71 lines
1.9 KiB
Plaintext
71 lines
1.9 KiB
Plaintext
/*=============================================================================
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Copyright (c) 2003 Jonathan de Halleux (dehalleux@pelikhan.com)
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http://spirit.sourceforge.net/
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef BOOST_SPIRIT_ACTOR_REF_ACTOR_HPP
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#define BOOST_SPIRIT_ACTOR_REF_ACTOR_HPP
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#include <boost/spirit/home/classic/namespace.hpp>
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namespace boost { namespace spirit {
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BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN
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///////////////////////////////////////////////////////////////////////////
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// Summary:
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// A semantic action policy holder. This holder stores a reference to ref,
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// act methods are fead with this reference. The parse result is not used
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// by this holder.
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//
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// (This doc uses convention available in actors.hpp)
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//
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// Constructor:
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// ...(T& ref_);
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// where ref_ is stored.
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//
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// Action calls:
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// act(ref);
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//
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// () operators: both
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//
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///////////////////////////////////////////////////////////////////////////
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template<
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typename T,
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typename ActionT
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>
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class ref_actor : public ActionT
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{
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private:
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T& ref;
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public:
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explicit
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ref_actor(T& ref_)
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: ref(ref_){}
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template<typename T2>
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void operator()(T2 const& /*val*/) const
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{
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this->act(ref); // defined in ActionT
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}
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template<typename IteratorT>
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void operator()(
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IteratorT const& /*first*/,
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IteratorT const& /*last*/
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) const
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{
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this->act(ref); // defined in ActionT
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}
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};
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BOOST_SPIRIT_CLASSIC_NAMESPACE_END
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}}
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#endif
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