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- // Copyright (C) 2003, Fernando Luis Cacciola Carballal.
- // Copyright (C) 2007, Tobias Schwinger.
- //
- // Use, modification, and distribution is subject to 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)
- //
- // See http://www.boost.org/libs/optional for documentation.
- //
- // You are welcome to contact the author at:
- // fernando_cacciola@hotmail.com
- //
- #ifndef BOOST_UTILITY_TYPED_INPLACE_FACTORY_04APR2007_HPP
- #ifndef BOOST_PP_IS_ITERATING
- #include <boost/utility/detail/in_place_factory_prefix.hpp>
- namespace boost {
- class typed_in_place_factory_base {} ;
- #define BOOST_PP_ITERATION_LIMITS (0, BOOST_MAX_INPLACE_FACTORY_ARITY)
- #define BOOST_PP_FILENAME_1 <boost/utility/typed_in_place_factory.hpp>
- #include BOOST_PP_ITERATE()
- } // namespace boost
- #include <boost/utility/detail/in_place_factory_suffix.hpp>
- #define BOOST_UTILITY_TYPED_INPLACE_FACTORY_04APR2007_HPP
- #else
- #define N BOOST_PP_ITERATION()
- template< class T BOOST_PP_ENUM_TRAILING_PARAMS(N,class A) >
- class BOOST_PP_CAT(typed_in_place_factory,N)
- :
- public typed_in_place_factory_base
- {
- public:
- typedef T value_type;
- explicit BOOST_PP_CAT(typed_in_place_factory,N)
- ( BOOST_PP_ENUM_BINARY_PARAMS(N, A, const& a) )
- #if N > 0
- : BOOST_PP_ENUM(N, BOOST_DEFINE_INPLACE_FACTORY_CLASS_MEMBER_INIT, _)
- #endif
- {}
- void* apply (void* address) const
- {
- return new(address) T( BOOST_PP_ENUM_PARAMS(N, m_a) );
- }
- void* apply (void* address, std::size_t n) const
- {
- for(void* next = address = this->apply(address); !! --n;)
- this->apply(next = static_cast<char *>(next) + sizeof(T));
- return address;
- }
- BOOST_PP_REPEAT(N, BOOST_DEFINE_INPLACE_FACTORY_CLASS_MEMBER_DECL, _)
- };
- template< class T BOOST_PP_ENUM_TRAILING_PARAMS(N, class A) >
- inline BOOST_PP_CAT(typed_in_place_factory,N)<
- T BOOST_PP_ENUM_TRAILING_PARAMS(N, A) >
- in_place( BOOST_PP_ENUM_BINARY_PARAMS(N, A, const& a) )
- {
- return BOOST_PP_CAT(typed_in_place_factory,N)<
- T BOOST_PP_ENUM_TRAILING_PARAMS(N, A) >( BOOST_PP_ENUM_PARAMS(N, a) );
- }
- #undef N
- #endif
- #endif
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