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1/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
2// basic_text_iarchive.ipp:
3
4// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
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
9//  See http://www.boost.org for updates, documentation, and revision history.
10#include <string>
11#include <algorithm>
12#include <cstring>
13
14#include <boost/config.hpp>
15#if defined(BOOST_NO_STDC_NAMESPACE)
16namespace std{
17    using ::memcpy;
18}
19#endif
20
21#include <boost/detail/workaround.hpp>
22#include <boost/serialization/string.hpp>
23#include <boost/archive/basic_text_iarchive.hpp>
24
25namespace boost {
26namespace archive {
27
28/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
29// implementation of text_text_archive
30
31template<class Archive>
32BOOST_ARCHIVE_OR_WARCHIVE_DECL void
33basic_text_iarchive<Archive>::load_override(class_name_type & t){
34    std::string cn;
35    cn.reserve(BOOST_SERIALIZATION_MAX_KEY_SIZE);
36    load_override(cn);
37    if(cn.size() > (BOOST_SERIALIZATION_MAX_KEY_SIZE - 1))
38        boost::serialization::throw_exception(
39            archive_exception(archive_exception::invalid_class_name)
40        );
41    std::memcpy(t, cn.data(), cn.size());
42    // borland tweak
43    t.t[cn.size()] = '\0';
44}
45
46template<class Archive>
47BOOST_ARCHIVE_OR_WARCHIVE_DECL void
48basic_text_iarchive<Archive>::init() {
49    // read signature in an archive version independent manner
50    std::string file_signature;
51    * this->This() >> file_signature;
52    if(file_signature != BOOST_ARCHIVE_SIGNATURE())
53        boost::serialization::throw_exception(
54            archive_exception(archive_exception::invalid_signature)
55        );
56
57    // make sure the version of the reading archive library can
58    // support the format of the archive being read
59    boost::serialization::library_version_type input_library_version;
60    * this->This() >> input_library_version;
61
62    #if BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3205))
63    this->set_library_version(input_library_version);
64    #else
65    detail::basic_iarchive::set_library_version(input_library_version);
66    #endif
67
68    // extra little .t is to get around borland quirk
69    if(BOOST_ARCHIVE_VERSION() < input_library_version)
70        boost::serialization::throw_exception(
71            archive_exception(archive_exception::unsupported_version)
72        );
73}
74
75} // namespace archive
76} // namespace boost
77