aboutsummaryrefslogtreecommitdiff
path: root/external/boost/archive/portable_binary_oarchive.hpp
blob: 89ac3d9fc50a74df39446c4debf80f9f814a80c3 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
#ifndef PORTABLE_BINARY_OARCHIVE_HPP
#define PORTABLE_BINARY_OARCHIVE_HPP

// MS compatible compilers support #pragma once
#if defined(_MSC_VER)
# pragma once
#endif

#if defined(_MSC_VER)
#pragma warning( push )
#pragma warning( disable : 4244 )
#endif

/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// portable_binary_oarchive.hpp

// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . 
// 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 for updates, documentation, and revision history.

#include <ostream>
#include <boost/serialization/string.hpp>
#include <boost/archive/archive_exception.hpp>
#include <boost/archive/basic_binary_oprimitive.hpp>
#include <boost/archive/detail/common_oarchive.hpp>
#include <boost/archive/detail/register_archive.hpp>

#include <boost/archive/portable_binary_archive.hpp>

namespace boost { namespace archive {

/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// exception to be thrown if integer read from archive doesn't fit
// variable being loaded
class portable_binary_oarchive_exception : 
    public boost::archive::archive_exception
{
public:
    typedef enum {
        invalid_flags 
    } exception_code;
    portable_binary_oarchive_exception(exception_code c = invalid_flags )
    {}
    virtual const char *what( ) const throw( )
    {
        const char *msg = "programmer error";
        switch(code){
        case invalid_flags:
            msg = "cannot be both big and little endian";
        default:
            boost::archive::archive_exception::what();
        }
        return msg;
    }
};

/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// "Portable" output binary archive.  This is a variation of the native binary 
// archive. it addresses integer size and endienness so that binary archives can
// be passed across systems. Note:floating point types not addressed here

class portable_binary_oarchive :
    public boost::archive::basic_binary_oprimitive<
        portable_binary_oarchive,
        std::ostream::char_type, 
        std::ostream::traits_type
    >,
    public boost::archive::detail::common_oarchive<
        portable_binary_oarchive
    >
{
    typedef boost::archive::basic_binary_oprimitive<
        portable_binary_oarchive,
        std::ostream::char_type, 
        std::ostream::traits_type
    > primitive_base_t;
    typedef boost::archive::detail::common_oarchive<
        portable_binary_oarchive
    > archive_base_t;
#ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
public:
#else
    friend archive_base_t;
    friend primitive_base_t; // since with override save below
    friend class boost::archive::detail::interface_oarchive<
        portable_binary_oarchive
    >;
    friend class boost::archive::save_access;
protected:
#endif
    unsigned int m_flags;
    void save_impl(const boost::intmax_t l, const char maxsize);
    // add base class to the places considered when matching
    // save function to a specific set of arguments.  Note, this didn't
    // work on my MSVC 7.0 system so we use the sure-fire method below
    // using archive_base_t::save;

    // default fall through for any types not specified here
    template<class T>
    void save(const T & t){
        save_impl(t, sizeof(T));
    }
    void save(const std::string & t){
        this->primitive_base_t::save(t);
    }
    #ifndef BOOST_NO_STD_WSTRING
    void save(const std::wstring & t){
        this->primitive_base_t::save(t);
    }
    #endif
    void save(const float & t){
        this->primitive_base_t::save(t);
        // floats not supported
        //BOOST_STATIC_ASSERT(false);
    }
    void save(const double & t){
        this->primitive_base_t::save(t);
        // doubles not supported
        //BOOST_STATIC_ASSERT(false);
    }
    void save(const char & t){
        this->primitive_base_t::save(t);
    }
    void save(const unsigned char & t){
        this->primitive_base_t::save(t);
    }

    // default processing - kick back to base class.  Note the
    // extra stuff to get it passed borland compilers
    typedef boost::archive::detail::common_oarchive<portable_binary_oarchive> 
        detail_common_oarchive;
    template<class T>
    void save_override(T & t){
        this->detail_common_oarchive::save_override(t);
    }
    // explicitly convert to char * to avoid compile ambiguities
    void save_override(const boost::archive::class_name_type & t){
        const std::string s(t);
        * this << s;
    }
    // binary files don't include the optional information 
    void save_override(
        const boost::archive::class_id_optional_type & /* t */
    ){}

    void init(unsigned int flags);
public:
    portable_binary_oarchive(std::ostream & os, unsigned flags = 0) :
        primitive_base_t(
            * os.rdbuf(),
            0 != (flags & boost::archive::no_codecvt)
        ),
        archive_base_t(flags),
        m_flags(flags & (endian_big | endian_little))
    {
        init(flags);
    }

    portable_binary_oarchive(
        std::basic_streambuf<
            std::ostream::char_type, 
            std::ostream::traits_type
        > & bsb, 
        unsigned int flags
    ) :
        primitive_base_t(
            bsb, 
            0 != (flags & boost::archive::no_codecvt)
        ),
        archive_base_t(flags),
        m_flags(0)
    {
        init(flags);
    }
};

} }

// required by export in boost version > 1.34
#ifdef BOOST_SERIALIZATION_REGISTER_ARCHIVE
    BOOST_SERIALIZATION_REGISTER_ARCHIVE(portable_binary_oarchive)
#endif

// required by export in boost <= 1.34
#define BOOST_ARCHIVE_CUSTOM_OARCHIVE_TYPES portable_binary_oarchive

#if defined(_MSC_VER)
#pragma warning( pop )
#endif

#endif // PORTABLE_BINARY_OARCHIVE_HPP