Files correlati : Commento : Spostamento in libraries delle librerie esterne di Campo per una maggiore pulizia e organizzazione git-svn-id: svn://10.65.10.50/branches/R_10_00@24150 c028cbd2-c16b-5b4b-a496-9718f37d4682
		
			
				
	
	
		
			169 lines
		
	
	
		
			6.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			169 lines
		
	
	
		
			6.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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 *    Copyright (c) <2002-2009> <Jean-Philippe Barrette-LaPierre>
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 *    
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 *    Permission is hereby granted, free of charge, to any person obtaining
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 *    a copy of this software and associated documentation files 
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 *    (curlpp), to deal in the Software without restriction, 
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 *    including without limitation the rights to use, copy, modify, merge,
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 *    publish, distribute, sublicense, and/or sell copies of the Software,
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 *    and to permit persons to whom the Software is furnished to do so, 
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 *    subject to the following conditions:
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 *    
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 *    The above copyright notice and this permission notice shall be included
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 *    in all copies or substantial portions of the Software.
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 *    
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 *    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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 *    OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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 *    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
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 *    IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 
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 *    CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
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 *    TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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 *    SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 */
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#ifndef UTILSPP_FUNCTOR_HPP
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#define UTILSPP_FUNCTOR_HPP
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#include <memory>
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#include "../NullType.hpp"
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#include "../EmptyType.hpp"
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#include "../TypeList.hpp"
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#include "../TypeTrait.hpp"
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#include "FunctorImpl.hpp"
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#include "FunctorHandler.hpp"
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#include "MemFunHandler.hpp"
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namespace utilspp
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{
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  template<typename R, class TList>
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  class Functor
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  {
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  public:
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    typedef FunctorImpl<R, TList> Impl;
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    typedef R ResultType;
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    typedef TList ParmList;
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    Functor(const Functor & functor) 
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      : mImpl(functor.mImpl->clone())
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    {}
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    Functor() 
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      : mImpl()
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    {}
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    Functor(std::auto_ptr<Impl> impl) 
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      : mImpl(impl)
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    {}
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    Functor & operator=(const Functor & functor)
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    {
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      mImpl = std::auto_ptr<Impl>(functor.mImpl->clone());
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      return (*this);
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    }
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    template<class Fun>
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    Functor(Fun fun)
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      : mImpl(new FunctorHandler<Functor, Fun>(fun))
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    {}
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    template<class PointerToObj, class MemFun>
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    Functor(const PointerToObj & obj, MemFun fun)
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      : mImpl(new MemFunHandler<Functor, PointerToObj, MemFun>(obj, fun))
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    {}
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    bool operator!()
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    {return !mImpl.get();}
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    typedef typename utilspp::tl::TypeAtNonStrict<TList, 0, utilspp::EmptyType>::Result Parm1;
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    typedef typename utilspp::tl::TypeAtNonStrict<TList, 1, utilspp::EmptyType>::Result Parm2;
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    typedef typename utilspp::tl::TypeAtNonStrict<TList, 2, utilspp::EmptyType>::Result Parm3;
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    typedef typename utilspp::tl::TypeAtNonStrict<TList, 3, utilspp::EmptyType>::Result Parm4;
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    typedef typename utilspp::tl::TypeAtNonStrict<TList, 4, utilspp::EmptyType>::Result Parm5;
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    typedef typename utilspp::tl::TypeAtNonStrict<TList, 5, utilspp::EmptyType>::Result Parm6;
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    typedef typename utilspp::tl::TypeAtNonStrict<TList, 6, utilspp::EmptyType>::Result Parm7;
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    typedef typename utilspp::tl::TypeAtNonStrict<TList, 7, utilspp::EmptyType>::Result Parm8;
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    typedef typename utilspp::tl::TypeAtNonStrict<TList, 8, utilspp::EmptyType>::Result Parm9;
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    typedef typename utilspp::tl::TypeAtNonStrict<TList, 9, utilspp::EmptyType>::Result Parm10;
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    typedef typename utilspp::tl::TypeAtNonStrict<TList, 10, utilspp::EmptyType>::Result Parm11;
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    typedef typename utilspp::tl::TypeAtNonStrict<TList, 11, utilspp::EmptyType>::Result Parm12;
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    typedef typename utilspp::tl::TypeAtNonStrict<TList, 12, utilspp::EmptyType>::Result Parm13;
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    typedef typename utilspp::tl::TypeAtNonStrict<TList, 13, utilspp::EmptyType>::Result Parm14;
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    typedef typename utilspp::tl::TypeAtNonStrict<TList, 14, utilspp::EmptyType>::Result Parm15;
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    R operator()()
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    {return (*mImpl)();}
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    R operator()(Parm1 p1)
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    {return (*mImpl)(p1);}
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    R operator()(Parm1 p1, Parm2 p2)
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    {return (*mImpl)(p1, p2);}
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    R operator()(Parm1 p1, Parm2 p2, Parm3 p3)
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    {return (*mImpl)(p1, p2, p3);}
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    R operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4)
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    {return (*mImpl)(p1, p2, p3, p4);}
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    R operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5)
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    {return (*mImpl)(p1, p2, p3, p4, p5);}
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    R operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5, Parm6 p6)
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    {return (*mImpl)(p1, p2, p3, p4, p5, p6);}
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    R operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5, Parm6 p6, Parm7 p7)
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    {return (*mImpl)(p1, p2, p3, p4, p5, p6, p7);}
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    R operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5, Parm6 p6, Parm7 p7, Parm8 p8)
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    {return (*mImpl)(p1, p2, p3, p4, p5, p6, p7, p8);}
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    R operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5, Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9)
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    {return (*mImpl)(p1, p2, p3, p4, p5, p6, p7, p8, p9);}
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    R operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5, Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10)
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    {return (*mImpl)(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10);}
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    R operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5, Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10, Parm11 p11)
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    {return (*mImpl)(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11);}
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    R operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5, Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10, Parm11 p11, Parm12 p12)
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    {return (*mImpl)(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12);}
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    R operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5, Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10, Parm11 p11, Parm12 p12, Parm13 p13)
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    {return (*mImpl)(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13);}
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    R operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5, Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10, Parm11 p11, Parm12 p12, Parm13 p13, Parm14 p14)
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    {return (*mImpl)(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14);}
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    R operator()(Parm1 p1, Parm2 p2, Parm3 p3, Parm4 p4, Parm5 p5, Parm6 p6, Parm7 p7, Parm8 p8, Parm9 p9, Parm10 p10, Parm11 p11, Parm12 p12, Parm13 p13, Parm14 p14, Parm15 p15)
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    {return (*mImpl)(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, p15);}
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  private:
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    std::auto_ptr<Impl> mImpl;
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  };
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  template<typename Fun>
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  Functor<typename PointerOnFunction<Fun>::ReturnType, 
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	   typename PointerOnFunction<Fun>::ParamList> make_functor(Fun fun)
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  {
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    return utilspp::Functor<typename utilspp::PointerOnFunction<Fun>::ReturnType, 
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      typename utilspp::PointerOnFunction<Fun>::ParamList>(fun);
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  }
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  template<class MemFun>
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  Functor<typename PointerOnMemberFunction<MemFun>::ReturnType, 
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	   typename PointerOnMemberFunction<MemFun>::ParamList> 
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  make_functor(typename PointerOnMemberFunction<MemFun>::ClassType * obj, MemFun fun)
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  {
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    return utilspp::Functor<typename utilspp::PointerOnMemberFunction<MemFun>::ReturnType, 
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      typename utilspp::PointerOnMemberFunction<MemFun>::ParamList>(obj, fun);
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  }
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}
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#include "Binder.hpp"
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#endif
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