1 #ifndef BOOST_ARCHIVE_POLYMORPHIC_IARCHIVE_HPP
2 #define BOOST_ARCHIVE_POLYMORPHIC_IARCHIVE_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_iarchive.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> // std::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 
32 #include <boost/archive/detail/iserializer.hpp>
33 #include <boost/archive/detail/interface_iarchive.hpp>
34 #include <boost/serialization/nvp.hpp>
35 #include <boost/archive/detail/register_archive.hpp>
36 
37 #include <boost/archive/detail/decl.hpp>
38 #include <boost/archive/detail/abi_prefix.hpp> // must be the last header
39 
40 namespace boost {
41 namespace serialization {
42     class extended_type_info;
43 } // namespace serialization
44 namespace archive {
45 namespace detail {
46     class basic_iarchive;
47     class basic_iserializer;
48 }
49 
50 class polymorphic_iarchive;
51 
52 class BOOST_SYMBOL_VISIBLE polymorphic_iarchive_impl :
53     public detail::interface_iarchive<polymorphic_iarchive>
54 {
55 #ifdef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
56 public:
57 #else
58     friend class detail::interface_iarchive<polymorphic_iarchive>;
59     friend class load_access;
60 #endif
61     // primitive types the only ones permitted by polymorphic archives
62     virtual void load(bool & t) = 0;
63 
64     virtual void load(char & t) = 0;
65     virtual void load(signed char & t) = 0;
66     virtual void load(unsigned char & t) = 0;
67     #ifndef BOOST_NO_CWCHAR
68     #ifndef BOOST_NO_INTRINSIC_WCHAR_T
69     virtual void load(wchar_t & t) = 0;
70     #endif
71     #endif
72     virtual void load(short & t) = 0;
73     virtual void load(unsigned short & t) = 0;
74     virtual void load(int & t) = 0;
75     virtual void load(unsigned int & t) = 0;
76     virtual void load(long & t) = 0;
77     virtual void load(unsigned long & t) = 0;
78 
79     #if defined(BOOST_HAS_LONG_LONG)
80     virtual void load(boost::long_long_type & t) = 0;
81     virtual void load(boost::ulong_long_type & t) = 0;
82     #elif defined(BOOST_HAS_MS_INT64)
83     virtual void load(__int64 & t) = 0;
84     virtual void load(unsigned __int64 & t) = 0;
85     #endif
86 
87     virtual void load(float & t) = 0;
88     virtual void load(double & t) = 0;
89 
90     // string types are treated as primitives
91     virtual void load(std::string & t) = 0;
92     #ifndef BOOST_NO_STD_WSTRING
93     virtual void load(std::wstring & t) = 0;
94     #endif
95 
96     // used for xml and other tagged formats
97     virtual void load_start(const char * name) = 0;
98     virtual void load_end(const char * name) = 0;
99     virtual void register_basic_serializer(const detail::basic_iserializer & bis) = 0;
100     virtual detail::helper_collection & get_helper_collection() = 0;
101 
102     // msvc and borland won't automatically pass these to the base class so
103     // make it explicit here
104     template<class T>
load_override(T & t)105     void load_override(T & t)
106     {
107         archive::load(* this->This(), t);
108     }
109     // special treatment for name-value pairs.
110     template<class T>
load_override(const boost::serialization::nvp<T> & t)111     void load_override(
112         const boost::serialization::nvp< T > & t
113     ){
114         load_start(t.name());
115         archive::load(* this->This(), t.value());
116         load_end(t.name());
117     }
118 protected:
~polymorphic_iarchive_impl()119     virtual ~polymorphic_iarchive_impl(){};
120 public:
121     // utility function implemented by all legal archives
122     virtual void set_library_version(library_version_type archive_library_version) = 0;
123     virtual library_version_type get_library_version() const = 0;
124     virtual unsigned int get_flags() const = 0;
125     virtual void delete_created_pointers() = 0;
126     virtual void reset_object_address(
127         const void * new_address,
128         const void * old_address
129     ) = 0;
130 
131     virtual void load_binary(void * t, std::size_t size) = 0;
132 
133     // these are used by the serialization library implementation.
134     virtual void load_object(
135         void *t,
136         const detail::basic_iserializer & bis
137     ) = 0;
138     virtual const detail::basic_pointer_iserializer * load_pointer(
139         void * & t,
140         const detail::basic_pointer_iserializer * bpis_ptr,
141         const detail::basic_pointer_iserializer * (*finder)(
142             const boost::serialization::extended_type_info & type
143         )
144     ) = 0;
145 };
146 
147 } // namespace archive
148 } // namespace boost
149 
150 #include <boost/archive/detail/abi_suffix.hpp> // pops abi_suffix.hpp pragmas
151 
152 namespace boost {
153 namespace archive {
154 
155 class BOOST_SYMBOL_VISIBLE polymorphic_iarchive :
156     public polymorphic_iarchive_impl
157 {
158 public:
~polymorphic_iarchive()159     virtual ~polymorphic_iarchive(){};
160 };
161 
162 } // namespace archive
163 } // namespace boost
164 
165 // required by export
166 BOOST_SERIALIZATION_REGISTER_ARCHIVE(boost::archive::polymorphic_iarchive)
167 
168 #endif // BOOST_ARCHIVE_POLYMORPHIC_IARCHIVE_HPP
169