1 #ifndef BOOST_ARCHIVE_POLYMORPHIC_OARCHIVE_HPP
2 #define BOOST_ARCHIVE_POLYMORPHIC_OARCHIVE_HPP
3 
4 // MS compatible compilers support #pragma once
5 #if defined(_MSC_VER)
6 # pragma once
7 #endif
8 
9 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
10 // polymorphic_oarchive.hpp
11 
12 // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
13 // Use, modification and distribution is subject to the Boost Software
14 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
15 // http://www.boost.org/LICENSE_1_0.txt)
16 
17 //  See http://www.boost.org for updates, documentation, and revision history.
18 
19 #include <cstddef> // size_t
20 #include <climits> // ULONG_MAX
21 #include <string>
22 
23 #include <boost/config.hpp>
24 #if defined(BOOST_NO_STDC_NAMESPACE)
25 namespace std{
26     using ::size_t;
27 } // namespace std
28 #endif
29 
30 #include <boost/cstdint.hpp>
31 #include <boost/archive/detail/oserializer.hpp>
32 #include <boost/archive/detail/interface_oarchive.hpp>
33 #include <boost/serialization/nvp.hpp>
34 #include <boost/archive/detail/register_archive.hpp>
35 
36 #include <boost/archive/detail/decl.hpp>
37 #include <boost/archive/detail/abi_prefix.hpp> // must be the last header
38 
39 namespace boost {
40 namespace serialization {
41     class extended_type_info;
42 } // namespace serialization
43 namespace archive {
44 namespace detail {
45     class BOOST_ARCHIVE_DECL basic_oarchive;
46     class BOOST_ARCHIVE_DECL basic_oserializer;
47 }
48 
49 class polymorphic_oarchive;
50 
51 class BOOST_SYMBOL_VISIBLE polymorphic_oarchive_impl :
52     public detail::interface_oarchive<polymorphic_oarchive>
53 {
54 #ifdef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
55 public:
56 #else
57     friend class detail::interface_oarchive<polymorphic_oarchive>;
58     friend class save_access;
59 #endif
60     // primitive types the only ones permitted by polymorphic archives
61     virtual void save(const bool t) = 0;
62 
63     virtual void save(const char t) = 0;
64     virtual void save(const signed char t) = 0;
65     virtual void save(const unsigned char t) = 0;
66     #ifndef BOOST_NO_CWCHAR
67     #ifndef BOOST_NO_INTRINSIC_WCHAR_T
68     virtual void save(const wchar_t t) = 0;
69     #endif
70     #endif
71     virtual void save(const short t) = 0;
72     virtual void save(const unsigned short t) = 0;
73     virtual void save(const int t) = 0;
74     virtual void save(const unsigned int t) = 0;
75     virtual void save(const long t) = 0;
76     virtual void save(const unsigned long t) = 0;
77 
78     #if defined(BOOST_HAS_LONG_LONG)
79     virtual void save(const boost::long_long_type t) = 0;
80     virtual void save(const boost::ulong_long_type t) = 0;
81     #elif defined(BOOST_HAS_MS_INT64)
82     virtual void save(const __int64 t) = 0;
83     virtual void save(const unsigned __int64 t) = 0;
84     #endif
85 
86     virtual void save(const float t) = 0;
87     virtual void save(const double t) = 0;
88 
89     // string types are treated as primitives
90     virtual void save(const std::string & t) = 0;
91     #ifndef BOOST_NO_STD_WSTRING
92     virtual void save(const std::wstring & t) = 0;
93     #endif
94 
95     virtual void save_null_pointer() = 0;
96     // used for xml and other tagged formats
97     virtual void save_start(const char * name) = 0;
98     virtual void save_end(const char * name) = 0;
99     virtual void register_basic_serializer(const detail::basic_oserializer & bos) = 0;
100     virtual detail::helper_collection & get_helper_collection() = 0;
101 
102     virtual void end_preamble() = 0;
103 
104     // msvc and borland won't automatically pass these to the base class so
105     // make it explicit here
106     template<class T>
save_override(T & t)107     void save_override(T & t)
108     {
109         archive::save(* this->This(), t);
110     }
111     // special treatment for name-value pairs.
112     template<class T>
save_override(const::boost::serialization::nvp<T> & t)113     void save_override(
114             const ::boost::serialization::nvp< T > & t
115         ){
116         save_start(t.name());
117         archive::save(* this->This(), t.const_value());
118         save_end(t.name());
119     }
120 protected:
~polymorphic_oarchive_impl()121     virtual ~polymorphic_oarchive_impl(){};
122 public:
123     // utility functions implemented by all legal archives
124     virtual unsigned int get_flags() const = 0;
125     virtual library_version_type get_library_version() const = 0;
126     virtual void save_binary(const void * t, std::size_t size) = 0;
127 
128     virtual void save_object(
129         const void *x,
130         const detail::basic_oserializer & bos
131     ) = 0;
132     virtual void save_pointer(
133         const void * t,
134         const detail::basic_pointer_oserializer * bpos_ptr
135     ) = 0;
136 };
137 
138 // note: preserve naming symmetry
139 class BOOST_SYMBOL_VISIBLE polymorphic_oarchive :
140     public polymorphic_oarchive_impl
141 {
142 public:
~polymorphic_oarchive()143     virtual ~polymorphic_oarchive(){};
144 };
145 
146 } // namespace archive
147 } // namespace boost
148 
149 // required by export
150 BOOST_SERIALIZATION_REGISTER_ARCHIVE(boost::archive::polymorphic_oarchive)
151 
152 #include <boost/archive/detail/abi_suffix.hpp> // pops abi_suffix.hpp pragmas
153 
154 #endif // BOOST_ARCHIVE_POLYMORPHIC_OARCHIVE_HPP
155