Chris@16: // Copyright (C) 2003, Fernando Luis Cacciola Carballal.
Chris@16: // Copyright (C) 2007, Tobias Schwinger.
Chris@16: //
Chris@16: // Use, modification, and distribution is subject to the Boost Software
Chris@16: // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: // See http://www.boost.org/libs/optional for documentation.
Chris@16: //
Chris@16: // You are welcome to contact the author at:
Chris@16: //  fernando_cacciola@hotmail.com
Chris@16: //
Chris@16: #ifndef BOOST_UTILITY_INPLACE_FACTORY_04APR2007_HPP
Chris@16: #ifndef BOOST_PP_IS_ITERATING
Chris@16: 
Chris@16: #include <boost/utility/detail/in_place_factory_prefix.hpp>
Chris@16: 
Chris@16: namespace boost {
Chris@16: 
Chris@16: class in_place_factory_base {} ;
Chris@16: 
Chris@16: #define  BOOST_PP_ITERATION_LIMITS (0, BOOST_MAX_INPLACE_FACTORY_ARITY)
Chris@16: #define  BOOST_PP_FILENAME_1 <boost/utility/in_place_factory.hpp>
Chris@16: #include BOOST_PP_ITERATE()
Chris@16: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #include <boost/utility/detail/in_place_factory_suffix.hpp>
Chris@16: 
Chris@16: #define BOOST_UTILITY_INPLACE_FACTORY_04APR2007_HPP
Chris@16: #else
Chris@16: #define N BOOST_PP_ITERATION()
Chris@16: 
Chris@16: #if N
Chris@16: template< BOOST_PP_ENUM_PARAMS(N, class A) >
Chris@16: #endif
Chris@16: class BOOST_PP_CAT(in_place_factory,N)
Chris@16:   : 
Chris@16:   public in_place_factory_base
Chris@16: {
Chris@16: public:
Chris@16: 
Chris@16:   explicit BOOST_PP_CAT(in_place_factory,N)
Chris@16:       ( BOOST_PP_ENUM_BINARY_PARAMS(N,A,const& a) )
Chris@16: #if N > 0
Chris@16:     : BOOST_PP_ENUM(N, BOOST_DEFINE_INPLACE_FACTORY_CLASS_MEMBER_INIT, _)
Chris@16: #endif
Chris@16:   {}
Chris@16: 
Chris@16:   template<class T>
Chris@101:   void* apply(void* address) const
Chris@16:   {
Chris@16:     return new(address) T( BOOST_PP_ENUM_PARAMS(N, m_a) );
Chris@16:   }
Chris@16: 
Chris@16:   template<class T>
Chris@101:   void* apply(void* address, std::size_t n) const
Chris@16:   {
Chris@16:     for(char* next = address = this->BOOST_NESTED_TEMPLATE apply<T>(address);
Chris@16:         !! --n;)
Chris@16:       this->BOOST_NESTED_TEMPLATE apply<T>(next = next+sizeof(T));
Chris@16:     return address; 
Chris@16:   }
Chris@16: 
Chris@16:   BOOST_PP_REPEAT(N, BOOST_DEFINE_INPLACE_FACTORY_CLASS_MEMBER_DECL, _)
Chris@16: };
Chris@16: 
Chris@16: #if N > 0
Chris@16: template< BOOST_PP_ENUM_PARAMS(N, class A) >
Chris@16: inline BOOST_PP_CAT(in_place_factory,N)< BOOST_PP_ENUM_PARAMS(N, A) >
Chris@16: in_place( BOOST_PP_ENUM_BINARY_PARAMS(N, A, const& a) )
Chris@16: {
Chris@16:   return BOOST_PP_CAT(in_place_factory,N)< BOOST_PP_ENUM_PARAMS(N, A) >
Chris@16:       ( BOOST_PP_ENUM_PARAMS(N, a) );
Chris@16: }
Chris@16: #else
Chris@16: inline in_place_factory0 in_place()
Chris@16: {
Chris@16:   return in_place_factory0();
Chris@16: }
Chris@16: #endif
Chris@16: 
Chris@16: #undef N
Chris@16: #endif
Chris@16: #endif
Chris@16: