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