source: XIOS/dev/dev_olga/src/extern/boost/include/boost/utility/typed_in_place_factory.hpp @ 1022

Last change on this file since 1022 was 1022, checked in by mhnguyen, 7 years ago
File size: 2.1 KB
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1// Copyright (C) 2003, Fernando Luis Cacciola Carballal.
2// Copyright (C) 2007, Tobias Schwinger.
3//
4// Use, modification, and distribution is subject to the Boost Software
5// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
6// http://www.boost.org/LICENSE_1_0.txt)
7//
8// See http://www.boost.org/libs/optional for documentation.
9//
10// You are welcome to contact the author at:
11//  fernando_cacciola@hotmail.com
12//
13#ifndef BOOST_UTILITY_TYPED_INPLACE_FACTORY_04APR2007_HPP
14#ifndef BOOST_PP_IS_ITERATING
15
16#include <boost/utility/detail/in_place_factory_prefix.hpp>
17
18namespace boost {
19
20class typed_in_place_factory_base {} ;
21
22#define  BOOST_PP_ITERATION_LIMITS (0, BOOST_MAX_INPLACE_FACTORY_ARITY)
23#define  BOOST_PP_FILENAME_1 <boost/utility/typed_in_place_factory.hpp>
24#include BOOST_PP_ITERATE()
25
26} // namespace boost
27
28#include <boost/utility/detail/in_place_factory_suffix.hpp>
29
30#define BOOST_UTILITY_TYPED_INPLACE_FACTORY_04APR2007_HPP
31#else
32#define N BOOST_PP_ITERATION()
33
34template< class T BOOST_PP_ENUM_TRAILING_PARAMS(N,class A) >
35class BOOST_PP_CAT(typed_in_place_factory,N) 
36  : 
37  public typed_in_place_factory_base
38{
39public:
40
41  typedef T value_type;
42
43  explicit BOOST_PP_CAT(typed_in_place_factory,N) 
44      ( BOOST_PP_ENUM_BINARY_PARAMS(N, A, const& a) )
45#if N > 0
46    : BOOST_PP_ENUM(N, BOOST_DEFINE_INPLACE_FACTORY_CLASS_MEMBER_INIT, _)
47#endif
48  {}
49
50  void* apply (void* address) const
51  {
52    return new(address) T( BOOST_PP_ENUM_PARAMS(N, m_a) );
53  }
54
55  void* apply (void* address, std::size_t n) const
56  {
57    for(void* next = address = this->apply(address); !! --n;)
58      this->apply(next = static_cast<char *>(next) + sizeof(T));
59    return address; 
60  }
61
62  BOOST_PP_REPEAT(N, BOOST_DEFINE_INPLACE_FACTORY_CLASS_MEMBER_DECL, _)
63};
64
65template< class T BOOST_PP_ENUM_TRAILING_PARAMS(N, class A) >
66inline BOOST_PP_CAT(typed_in_place_factory,N)<
67    T BOOST_PP_ENUM_TRAILING_PARAMS(N, A) >
68in_place( BOOST_PP_ENUM_BINARY_PARAMS(N, A, const& a) )
69{
70  return BOOST_PP_CAT(typed_in_place_factory,N)< 
71      T BOOST_PP_ENUM_TRAILING_PARAMS(N, A) >( BOOST_PP_ENUM_PARAMS(N, a) );
72}
73
74#undef N
75#endif
76#endif
77
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