1 // Copyright (C) 2003, Fernando Luis Cacciola Carballal.
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2 // Copyright (C) 2007, Tobias Schwinger.
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4 // Use, modification, and distribution is subject to the Boost Software
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5 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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6 // http://www.boost.org/LICENSE_1_0.txt)
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8 // See http://www.boost.org/lib/optional for documentation.
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10 // You are welcome to contact the author at:
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11 // fernando_cacciola@hotmail.com
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13 #ifndef BOOST_UTILITY_TYPED_INPLACE_FACTORY_04APR2007_HPP
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14 #ifndef BOOST_PP_IS_ITERATING
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16 #include <boost/utility/detail/in_place_factory_prefix.hpp>
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20 class typed_in_place_factory_base {} ;
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22 #define BOOST_PP_ITERATION_LIMITS (0, BOOST_MAX_INPLACE_FACTORY_ARITY)
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23 #define BOOST_PP_FILENAME_1 <boost/utility/typed_in_place_factory.hpp>
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24 #include BOOST_PP_ITERATE()
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26 } // namespace boost
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28 #include <boost/utility/detail/in_place_factory_suffix.hpp>
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30 #define BOOST_UTILITY_TYPED_INPLACE_FACTORY_04APR2007_HPP
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32 #define N BOOST_PP_ITERATION()
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34 template< class T BOOST_PP_ENUM_TRAILING_PARAMS(N,class A) >
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35 class BOOST_PP_CAT(typed_in_place_factory,N)
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37 public typed_in_place_factory_base
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41 typedef T value_type;
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43 explicit BOOST_PP_CAT(typed_in_place_factory,N)
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44 ( BOOST_PP_ENUM_BINARY_PARAMS(N, A, const& a) )
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46 : BOOST_PP_ENUM(N, BOOST_DEFINE_INPLACE_FACTORY_CLASS_MEMBER_INIT, _)
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50 void* apply (void* address) const
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52 return new(address) T( BOOST_PP_ENUM_PARAMS(N, m_a) );
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55 void* apply (void* address, std::size_t n) const
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57 for(void* next = address = this->apply(address); !! --n;)
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58 this->apply(next = static_cast<char *>(next) + sizeof(T));
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62 BOOST_PP_REPEAT(N, BOOST_DEFINE_INPLACE_FACTORY_CLASS_MEMBER_DECL, _)
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65 template< class T BOOST_PP_ENUM_TRAILING_PARAMS(N, class A) >
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66 inline BOOST_PP_CAT(typed_in_place_factory,N)<
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67 T BOOST_PP_ENUM_TRAILING_PARAMS(N, A) >
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68 in_place( BOOST_PP_ENUM_BINARY_PARAMS(N, A, const& a) )
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70 return BOOST_PP_CAT(typed_in_place_factory,N)<
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71 T BOOST_PP_ENUM_TRAILING_PARAMS(N, A) >( BOOST_PP_ENUM_PARAMS(N, a) );
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