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1 | #ifndef BOOST_SERIALIZATION_ARRAY_WRAPPER_HPP |
2 | #define BOOST_SERIALIZATION_ARRAY_WRAPPER_HPP | |
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3 | |
4 | // (C) Copyright 2005 Matthias Troyer and Dave Abrahams | |
5 | // Use, modification and distribution is subject to the Boost Software | |
6 | // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
7 | // http://www.boost.org/LICENSE_1_0.txt) | |
8 | ||
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9 | #include <boost/config.hpp> // msvc 6.0 needs this for warning suppression |
10 | ||
11 | #if defined(BOOST_NO_STDC_NAMESPACE) | |
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12 | namespace std{ |
13 | using ::size_t; | |
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14 | } // namespace std |
15 | #endif | |
16 | ||
17 | #include <boost/serialization/nvp.hpp> | |
18 | #include <boost/serialization/split_member.hpp> | |
19 | #include <boost/serialization/wrapper.hpp> | |
20 | #include <boost/serialization/collection_size_type.hpp> | |
b32b8144 | 21 | #include <boost/serialization/array_optimization.hpp> |
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22 | #include <boost/mpl/always.hpp> |
23 | #include <boost/mpl/apply.hpp> | |
24 | #include <boost/mpl/bool_fwd.hpp> | |
25 | #include <boost/type_traits/remove_const.hpp> | |
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26 | |
27 | namespace boost { namespace serialization { | |
28 | ||
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29 | template<class T> |
30 | class array_wrapper : | |
31 | public wrapper_traits<const array_wrapper< T > > | |
32 | { | |
33 | private: | |
34 | array_wrapper & operator=(const array_wrapper & rhs); | |
7c673cae | 35 | // note: I would like to make the copy constructor private but this breaks |
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36 | // make_array. So I make make_array a friend |
37 | template<class Tx, class S> | |
38 | friend const boost::serialization::array_wrapper<Tx> make_array(Tx * t, S s); | |
39 | public: | |
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40 | |
41 | array_wrapper(const array_wrapper & rhs) : | |
42 | m_t(rhs.m_t), | |
43 | m_element_count(rhs.m_element_count) | |
44 | {} | |
45 | public: | |
46 | array_wrapper(T * t, std::size_t s) : | |
47 | m_t(t), | |
48 | m_element_count(s) | |
49 | {} | |
50 | ||
51 | // default implementation | |
52 | template<class Archive> | |
53 | void serialize_optimized(Archive &ar, const unsigned int, mpl::false_ ) const | |
54 | { | |
55 | // default implemention does the loop | |
56 | std::size_t c = count(); | |
57 | T * t = address(); | |
58 | while(0 < c--) | |
59 | ar & boost::serialization::make_nvp("item", *t++); | |
60 | } | |
61 | ||
62 | // optimized implementation | |
63 | template<class Archive> | |
64 | void serialize_optimized(Archive &ar, const unsigned int version, mpl::true_ ) | |
65 | { | |
66 | boost::serialization::split_member(ar, *this, version); | |
67 | } | |
68 | ||
69 | // default implementation | |
70 | template<class Archive> | |
71 | void save(Archive &ar, const unsigned int version) const | |
72 | { | |
73 | ar.save_array(*this,version); | |
74 | } | |
75 | ||
76 | // default implementation | |
77 | template<class Archive> | |
78 | void load(Archive &ar, const unsigned int version) | |
79 | { | |
80 | ar.load_array(*this,version); | |
81 | } | |
f67539c2 | 82 | |
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83 | // default implementation |
84 | template<class Archive> | |
85 | void serialize(Archive &ar, const unsigned int version) | |
86 | { | |
f67539c2 | 87 | typedef typename |
7c673cae | 88 | boost::serialization::use_array_optimization<Archive>::template apply< |
f67539c2 | 89 | typename remove_const< T >::type |
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90 | >::type use_optimized; |
91 | serialize_optimized(ar,version,use_optimized()); | |
92 | } | |
f67539c2 | 93 | |
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94 | T * address() const |
95 | { | |
96 | return m_t; | |
97 | } | |
98 | ||
99 | std::size_t count() const | |
100 | { | |
101 | return m_element_count; | |
102 | } | |
103 | ||
104 | private: | |
105 | T * const m_t; | |
106 | const std::size_t m_element_count; | |
107 | }; | |
108 | ||
109 | template<class T, class S> | |
110 | inline | |
b32b8144 | 111 | const array_wrapper< T > make_array(T* t, S s){ |
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112 | const array_wrapper< T > a(t, s); |
113 | return a; | |
114 | } | |
115 | ||
116 | } } // end namespace boost::serialization | |
117 | ||
7c673cae | 118 | |
b32b8144 | 119 | #endif //BOOST_SERIALIZATION_ARRAY_WRAPPER_HPP |